Digital Temperature Controllers: E5CN/E5CN-U

Digital Temperature Controllers
E5CN/E5CN-U
This Best-selling General-purpose 4848-mm Temperature Controller Is Now Even Better. Easy, Dependable, Complete Functionality, and 11-segment Displays.
Controllers now available with analog inputs. Faster sampling at 250 ms. Transfer output provided for easy output to recorders. Voltage outputs (to drive SSRs) for both heating and cooling control. Can be used for alarms to provide three alarm outputs. Models available with three-phase heater burnout detection and SSR fault detection. Easy setting with 11-segment displays. Connect to either a thermocouple or platinum resistance thermometer with the same model. Easily see the status from a distance with PV display with threecolor switching function. Setting protection indicator informs operator when protection is enabled. Manual output provided. Controller available with long-life relay output (available soon).
Note: Refer to Precautions on page 21.
Note: Refer to page 19 for information on changes in comparison to previous models.
Features
Improved Functions for a Wider Range of Application
Control Analog Values, such as Pressures, Flowrates, and Levels
The new E5CN Series now also includes models that accept analog inputs, enabling control applications other than for temperature, including pressure, flowrate, level, humidity, and weight control. Note: E5CN-@L (Models with Analog Inputs)
Voltage Outputs (to Drive SSRs) for Both Heating and Cooling Control. Can Be Used for Alarms to Provide Three Alarm Outputs.
Voltage outputs can be used for both heating and cooling for Models with Two Control Outputs. Also, control output 2 can be set for use as an alarm output, to enable using up to three alarm outputs. Note: E5CN-@Q (Option Board)
Faster Sampling at 250 ms

The previous sampling time of 500 ms has been reduced by half to 250 ms. This enables the new E5CN to handle application requiring even greater response speed and accuracy.
Three-phase Heater Burnout Detection

With Models with Three-phase Heater Burnout and SSR Failure Detection, two current transformers can be connected to detect both heater burnout and SSR failure at the same time, reducing costs because a separate heater burnout alarm device is not required. SSR failure detection can be used even with Models with Singlephase Heater Burnout Alarms. Note: E5CN-@HH@ (Option Board)
Easy Connector to a Recorder

A transfer output now makes it easy to connect to a recorder or PLC Analog I/O Unit. Note: E5CN-C@ (Models with Current Outputs)
Easy, Dependable, and Even Faster

Easy Setting with 11-segment Displays
The new E5CN features 11-segment displays to make text easier to read, eliminating the need to decode displays when trying to set parameters, as was necessary with previous temperature controllers.
Easily See Status from a Distance with PV Display with Three-color Switching Function Setting Protection Indicator Informs Operator when Protection Is Enabled
A special icon on the display panel lights to let the operator know when setting protection has been set.
Multi-input Capability with One Controller

Connect to either a thermocouple or platinum resistance thermometer with the same model. Model selection is simplified, stocks are reduced, and fewer maintenance parts are required.
E5CN/E5CN-U
Model Number Structure

Model Number Legend
E5CN-@@M@-500
1 2 3 4
1. Output type R: Relay Q: Voltage (for driving SSR) C: Current Y: Long-life relay output (available soon) 2. Number of alarms Blank: No alarm 2: Two alarms 3. Option Unit M: Option Unit can be mounted 4. Input type T: Thermocouple/platinum resistance thermometer (multi-input) L: Analog input
This data sheet is provided as a guideline for selecting products. Be sure to refer to the following user manuals for application precautions and other information required for operation before attempting to use the product. E5CN/E5CN-U Temperature Controller User's Manual (Cat. No. H129) E5CN Temperature Controller Communications User's Manual (Cat. No. H130)
Digital Temperature Controllers E5CN/E5CN-U
Ordering Information
Controllers with Temperature Inputs (Multi-input)
Size Power supply voltage Number of alarm points 0 Control outputs Relay Current 2 Relay Current Long-life relay 24 VAC/DC 0 Relay Current 2 Relay Current Long-life relay Model E5CN-RMT-500 E5CN-CMT-500 E5CN-R2MT-500 E5CN-C2MT-500 E5CN-Y2MT-500 E5CN-RMT-500 E5CN-CMT-500 E5CN-R2MT-500 E5CN-C2MT-500 E5CN-Y2MT-500 100 to 240 VAC 1/16 DIN 48 48 78 (W H D) Voltage (for driving SSR) E5CN-QMT-500
Voltage (for driving SSR) E5CN-Q2MT-500
Voltage (for driving SSR) E5CN-QMT-500
Voltage (for driving SSR) E5CN-Q2MT-500
Controllers with Analog Inputs

Size Power supply voltage Number of alarm points 0 Control outputs Relay Current 2 Relay Current Long-life relay 24 VAC/DC 2 Relay Current Model E5CN-RML-500 E5CN-CML-500 E5CN-R2ML-500 E5CN-C2ML-500 E5CN-Y2ML-500 E5CN-R2ML-500 E5CN-C2ML-500 1/16 DIN 100 to 240 VAC 48 48 78 (W H D) Voltage (for driving SSR) E5CN-QML-500
Voltage (for driving SSR) E5CN-Q2ML-500
Voltage (for driving SSR) E5CN-Q2ML-500
Option Units
The E5CN provides optional functionality when one of the following Option Units is mounted. Functions Communications Communications Heater burnout/SSR failure detection Communications Communications Heater burnout/SSR failure detection Note: Option Units cannot be used for Plug-in models. These Option Units can be used for the new E5CN models only.
E53-CNH03N Communications/ CT
B
Model E53-CNH03N E53-CN03N Event inputs Event inputs E53-CNHBN E53-CNBN E53-CNHH03N Control output 2 (voltage output) E53-CNQ03N Control output 2 (voltage output) E53-CNQHN
Heater burnout/SSR failure detection
3-phase heater burnout/SSR failure detection
E53-CNHBN Event inputs/ CT
E53-CN03N Communications
E53-CNBN Event inputs
E53-CNHH03N Communications/ Two CTs

B
E53-CNQ03N Communications/ Control output 2

B
E53-CNQHN Control output 2/ CT

Control output 2
11 12
EV1 EV2
11 12 13 14
CT1
11 12
EV1 EV2
11 12 13
CT2
11 12 13 14
11 12
RS-485
A
RS-485
A
RS-485
A
RS-485
A
11 Voltage output 12 21 mA
12 VDC,
Do not use. 13
14
CT1
15
15
Do not 13 use. Do not 14 use. Do not 15 use.
Do not use. 13 Control output 2
Do not use. 13
Do not 14 use. Do not 15 use.
14
CT1
14 15
CT1
15
15
Attach the appropriate terminal labels.
E5CN/E5CN-U
Model Number Structure

Model Number Legend (Plug-in-type Controllers)
E5CN-@@@U
1 2 3 4
1. Output type R: Relay Q: Voltage 2. Number of alarms Blank: No alarm 1: One alarm 2: Two alarms 3. Input type T: Thermocouple/platinum resistance thermometer (multi-input) 4. Plug-in type U: Plug-in type
Ordering Information (Plug-in-type Controllers)

Controllers with Temperature Inputs (Multi-input)
Size Power supply voltage Number of alarm points 0 1 2 24 VAC/DC 0 1 2 Control outputs Relay Relay Relay Relay Relay Relay Model E5CN-RTU E5CN-R1TU E5CN-R2TU E5CN-RTU E5CN-R1TU E5CN-R2TU 1/16 DIN 100 to 240 VAC 48 48 78 (W H D) Voltage (for driving SSR) E5CN-QTU Voltage (for driving SSR) E5CN-Q1TU Voltage (for driving SSR) E5CN-Q2TU Voltage (for driving SSR) E5CN-QTU Voltage (for driving SSR) E5CN-Q1TU Voltage (for driving SSR) E5CN-Q2TU Note: Option Units (E53-CN@@N) cannot be used for Plug-in models.
Accessories (Order Separately)

Terminal Cover
Connectable models Model Terminal type E53-COV10
Adapter
Connectable models Model Terminal type Y92F-45
Current Transformers (CTs)

Model Hole diameter E54-CT1 5.8 dia. E54-CT3 12.0 dia.
Note: Use this Adapter when the panel has been previously prepared for the E5B@.
Sockets (for Models with Plug-in Connectors)

Model Type P2CF-11 Frontconnecting Socket P2CF-11-E Frontconnecting Socket with Finger Protection P3GA-11 Backconnecting socket Y92A-48G Terminal Cover for Finger Protection
Specifications
Ratings
Item Power supply voltage 100 to 240 VAC, 50/60 Hz 85% to 110% of rated supply voltage 7.5 VA max. (E5CN-R2T: 3.0 VA at 100 VAC) 6 VA max. 5 VA/3 W max. (E5CN-R2T: 2.7 VA at 24 VAC) 3 VA/2 W max. 24 VAC, 50/60 Hz or 24 VDC Operating voltage range Power E5CN consumption E5CN-U Sensor input
Models with temperature inputs Thermocouple: K, J, T, E, L, U, N, R, S, or B Platinum resistance thermometer: Pt100 or JPt100 Infrared temperature sensor: 10 to 70C, 60 to 120C, 115 to 165C, or 160 to 260C Voltage input: 0 to 50 mV Models with analog inputs Current input: 4 to 20 mA or 0 to 20 mA Voltage input: 1 to 5 V, 0 to 5 V, or 0 to 10 V
Input impedance Control output Relay output
Current input: 150 W, Voltage input: 1 MW (Use a 1:1 connection when connecting the ES2-HB.) E5CN E5CN-U SPST-NO, 250 VAC, 3 A (resistive load), electrical life: 100,000 operations, minimum applicable load: 5 V, 10 mA SPDT, 250 VAC, 3 A (resistive load), electrical life: 100,000 operations, minimum applicable load: 5 V, 10 mA Output voltage: 12 VDC 15% (PNP), max. load current: 21 mA, with short-circuit protection circuit 4 to 20 mA DC/0 to 20 mA DC, load: 600 W max., resolution: approx. 2,700 SPST-NO, 250 VAC, 3 A (resistive load), electrical life: 1,000,000 operations, minimum applicable load: 5 V, 100 mA (Do not connect a DC load.)
Voltage output
E5CN E5CN-U E5CN
Current output E5CN Long-life relay output Alarm output Event input Contact input Non-contact input Control method Setting method Indication method Other functions Ambient operating temperature Ambient operating humidity Storage temperature
SPST-NO, 250 VAC, 1 A (resistive load), electrical life: 100,000 operations, minimum applicable load: 1 V, 1 mA ON: 1 kW max., OFF: 100 kW min. ON: Residual voltage: 1.5 V max., OFF: Leakage current: 0.1 mA max. Outflow current: Approx. 7 mA per point ON/OFF control or 2-PID control (with auto-tuning) Digital setting using front panel keys 11-segment digital display and individual indicators (7-segments displays also possible) Character height: PV: 11 mm, SV: 6.5 mm Manual output, heating/cooling control, transfer output (on some models), loop break alarm, multi SP, MV limiter, input digital filter, self-tuning, temperature input shift, run/stop, protection functions, etc.
-10 to 55C (with no icing or condensation), for 3-year warranty: -10 to 50C
25% to 85%
-25 to 65C (with no icing or condensation)
E5CN/E5CN-U
Input Ranges
Thermocouples/Platinum Resistance Thermometers (Multi-inputs)
Input Type Name
1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700 600 500 400 300 200 100 0 -100.0 -200.0
Platinum resistance thermometer Pt100 JPt100 K J T
Thermocouple E L U N R
1700
Infrared temperature sensor S

1700
Analog input 0 to 50 mV Usable in the following ranges by scaling: -1999 to 9999 or -199.9 to 999.9
B
1800
10 to 70C
60 to 120C
115 to 165C
160 to 260C
1300
1300
Temperature range (C)
850
850
850
600 500.0 500.0 500.0 400.0 400 400.0 400 400.0 260 120 100.0 100.0 100 0.0 0.0 0 0 0 0 0 0 0 90 165
- 20.0 -200 -199.9 -199.9 -200
-100
-20.0 -200 -199.9
-100 - 200 -199.9 - 200
Setting number
10
11
12
13
14
15
16
17
18
19
20
21
22
23
The applicable standards for the input types are as follows: K, J, T, E, N, R, S, B: IEC584-1 L: Fe-CuNi, DIN 43710-1985
U: Cu-CuNi, DIN 43710-1985 Pt100: IEC 751
Shaded settings are the default settings.
Models with Analog Inputs

Input Type Input specification Setting range Setting number Current 4 to 20mA 0 to 20 mA 1 to 5 V Voltage 0 to 5 V 0 to 10 V
Usable in the following ranges by scaling: -1999 to 9999, -199.9 to 999.9, -19.99 to 99.99 or -1.999 to 9.999 0 1 2 3 4 Shaded settings are the default settings.
Alarm Types
Select alarm types out of the 12 alarm types listed in the following table. Set value Alarm type Alarm output operation When X is positive 0 Alarm function OFF Output OFF
ON OFF ON OFF ON OFF L SP X SP X SP L SP L SP H H ON OFF ON OFF X SP X SP H
When X is negative
Note: 1. With set values 1, 4 and 5, the upper and lower limit values can be set independently for each alarm type, and are expressed as L and H. 2. Set value: 1, Upper- and lower-limit alarm
Case 1 Case 2 Case 3 (Always ON)
H<0, L<0
1 Upper- and lower(See note 1.) limit 2 3 Upper limit Lower limit
(See note 2.)
H SP
SP L H H>0, L<0 |H| > |L| H
SP L SP SP H
L H<0, L>0 |H| |L| L H>0, L<0 |H| |L|
H<0, L>0 |H| < |L|
3. Set value: 4, Upper- and lower-limit range

Case 1 Case 2 Case 3 (Always ON)
4 Upper- and lower(See note 1.) limit range 5 Upper- and lower(See note 1.) limit with standby sequence 6 7 8 9 10 Upper-limit with standby sequence Lower-limit with standby sequence Absolute-value upper-limit Absolute-value lower-limit Absolute-value upper-limit with standby sequence Absolute-value lower-limit with standby sequence
ON OFF
(See note 3.) (See note 4.)
H<0, L<0 L H SP SP L H H H SP L SP SP H L L H<0, L>0 |H| |L| H>0, L<0 |H| |L| H<0, L>0 |H| < |L| H>0, L<0 |H| > |L|
ON OFF
(See note 5.)

ON OFF ON OFF ON OFF ON OFF X SP X SP X 0 X 0 X 0 ON OFF ON OFF X SP X SP X 0 X 0 X 0
ON OFF ON OFF
4. Set value: 5, Upper- and lower-limit with standby sequence For Upper- and Lower-Limit Alarm Described Above Case 1 and 2 Always OFF when the upper-limit and lower-limit hysteresis overlaps. Case 3: Always OFF 5. Set value: 5, Upper- and lower-limit with standby sequence Always OFF when the upper-limit and lower-limit hysteresis overlaps. 6. Set value: 12, LBA can be set only for alarm 1. Set the alarm types for alarms 1 to 3 independently in the initial setting level. The default setting is 2 (upper limit).
ON OFF
ON OFF
11
ON OFF
X 0
ON OFF
X 0
12 LBA (for alarm 1 (See note 6.) only)
---
E5CN/E5CN-U
Characteristics
Indication accuracy Thermocouple: (See note 1.) E5CN: (0.5% of indicated value or 1C, whichever is greater) 1 digit max. E5CN-U: (1% of indicated value or 2C, whichever is greater) 1 digit max. Platinum resistance thermometer: (0.5% of indicated value or 1C, whichever is greater) 1 digit max. Analog input: 0.5% FS 1 digit max. CT input: 5% FS 1 digit max. Models with thermocouple/platinum resistance thermometer (multi-input) input: 0.1 to 999.9 EU (in units of 0.1 EU) Models with analog input: 0.01 to 99.99% FS (in units of 0.01% FS) Models with thermocouple/platinum resistance thermometer (multi-input) input: 0.1 to 999.9 EU (in units of 0.1 EU) Models with analog input: 0.1 to 999.9% FS (in units of 0.1% FS) 0 to 3999 s (in units of 1 s) 0 to 3999 s (in units of 1 s) (See note 3.) 0.5, 1 to 99 s (in units of 1 s) 0.0 to 100.0% (in units of 0.1%)
Communications Specifications
Transmission line connection method Synchronization method Baud rate Transmission code Data bit length Stop bit length Error detection RS-485 multipoint Communications RS-485 (two-wire, half duplex) Start-stop synchronization 1200, 2400, 4800, 9600, 19200, or 38400 bps ASCII 7 or 8 bits 1 or 2 bits Vertical parity (none, even, odd) Frame check sequence (FCS) with SYSWAY Block check character (BCC) with CompoWay/F or CRC-16 Modbus None RS-485 None
Hysteresis
Proportional band (P)
Flow control Interface Retry function
Integral time (I) Derivative time (D) Control period Manual reset value Alarm setting range Sampling period Affect of signal source resistance
Communications 40 bytes buffer Communications 0 to 99 ms response wait Default: 20 ms time Note: The baud rate, data bit length, stop bit length, and vertical parity can be individually set using the Communications Setting Level.
-1999 to 9999 (decimal point position depends on input type)

250 ms Thermocouple: 0.1C/W max. (100 W max.) (See note 4.) Platinum resistance thermometer: 0.4C/W max. (10 W max.) 20 MW min. (at 500 VDC) 2,000 VAC, 50 or 60 Hz for 1 min (between terminals with different charge)
Insulation resistance Dielectric strength
Current Transformer (Sold Separately)

Ratings
Dielectric strength Vibration resistance Weight Accessories (E54-CT3 only) 1,000 VAC for 1 min 50 Hz, 98 m/s2 E54-CT1: Approx. 11.5 g, E54-CT3: Approx. 50 g Armatures (2) Plugs (2)
Vibration Malfunction 10 to 55 Hz, 20 m/s2 for 10 min each in X, Y, resistance and Z directions Destruction 10 to 55 Hz, 0.75-mm single amplitude for 2 hrs each in X, Y, and Z directions Shock Malfunction 100 m/s2 min., 3 times each in X, Y, and Z resistance directions Destruction 300 m/s2 min., 3 times each in X, Y, and Z directions Weight E5CN E5CN-U Degree of E5CN protection E5CN-U Memory protection Controller: Approx. 150 g, Mounting Bracket: Approx. 10 g Controller: Approx. 110 g, Mounting Bracket: Approx. 10 g Front panel: NEMA4X for indoor use (equivalent to IP66) Rear case: IP20, Terminal section: IP00 Front panel: Equivalent to IP50, rear case: IP20, terminals: IP00 Non-volatile memory (number of writes: 1,000,000 operations)
Note: 1. The indication of K thermocouples in the -200 to 1300C range, T and N thermocouples at a temperature of -100C max., and U and L thermocouples at any temperature is 2C 1 digit maximum. The indication accuracy of the B thermocouple at a temperature of 400C max. is not specified. The indication accuracy of the R and S thermocouples at a temperature of 200C max. is 3C 1 digit max. 2. EU stands for Engineering Unit and is used as the unit after scaling. For a temperature sensor, the EU is C or F. 3. When robust tuning (RT) is ON, the differential time is 0.0 to 999.9 (in units of 0.1 s). 4. B, R, and S sensors: 0.2C/W max. (100 W max.)
Heater Burnout Alarms and SSR Failure Detection Alarms

(E5CN Models with Heater Burnout and SSR Failure Detection Alarms) Maximum 50 A AC heater current Input current indication accuracy
Electrical Life Expectancy Curve for Relays (Reference Values)

Life ( 104 operations) 500 300
5% FS 1 digit max.
100 50 30
Heater burnout 0.1 to 49.9 A (in units of 0.1 A) alarm setting 0.0 A: Heater burnout/SSR failure alarm output range turned OFF. 50.0 A: Heater burnout/SSR failure alarm output turned ON. Minimum detection ON time: 190 ms (See note 1.) SSR failure detection alarm setting range 0.1 to 49.9 A (in units of 0.1 A) 0.0 A: Heater burnout/SSR failure alarm output turned ON. 50.0 A: Heater burnout/SSR failure alarm output turned OFF. Minimum detection OFF time: 190 ms (See note 2.)
10 5 3 E5CN 250 VAC, 30 VDC (resistive load) cos = 1 0 1 2 3 4 5 6
1 Switching current (A)
Note: 1. If the ON time of control output 1 is less than 190 ms, heater burnout detection and the heater current will not be measured. 2. If the OFF time of control output 1 is less than 190 ms, SSR failure detection and the heater current will not be measured.
Note: Do not connect a DC load to a Controller with a Long-life Relay Output.
E5CN/E5CN-U
External Connections
A voltage output (control output) is not electrically insulated from the internal circuits. When using a grounding thermocouple, do not connect any of the control output terminals to ground. If the control output terminals are connected to ground, errors will occur in the measured temperature values as a result of leakage current. Standard insulation is applied between any of the following: power supply terminals, input terminals, output terminals, and communications terminals (for models with communications). If reinforced insulation is required, provide additional insulation, such as spacial distance or material insulation, as defined by IEC 60664 suitable for the maximum operating voltage.
E5CN
Current Output
1 +
4 to 20 mA DC/ 0 to 20 mA DC
Voltage Output 1 2 +
12 VDC 21 mA
Relay Output Alarm Outputs 1 1 2 2 A B B + Pt TC 3 4 5 12 13 14 15 7 8 9 10 Alarm 2 Input power supply 7 8 Alarm 1/ Heater burnout alarm/ Input error output (See note.) 11 6 6
Control output 1 2
+ mA Analog input V +
Platinum Infrared resistance temperature thermometer sensor
The input power supply depends on the power supply specification of the Controller and is either 100 to 240 VAC or 24 VAC/DC (no polarity). 11 12 Event input 1 13 Event input 2 14 CT1 15 Heater burnout/ SSR failure detection input Event input/ Heater burnout / SSR failure detection CT2 CT1 14 B
RS-485
Note: Output when an input error output is enabled in the Advance Function Setting Level. If an input error output is enabled, the a1-1 operation indication on the front panel will not light and s.err will be displayed on the No. 1 display. Voltage output 12 VDC, 21 mA +
Control output 2
11 12 13
Do not connect.
B
RS-485
11 12 13 14
11 12 13 14
Do not connect.
+
Control output 2
CT1 15 Heater burnout/ SSR failure detection input Voltage output/ Heater burnout/ SSR failure detection
15 15 Heater burnout/ Voltage output SSR failure 12 VDC, 21 mA detection input Communications/ Communications/ Heater burnout/ voltage output SSR failure specification detection (2-CT input)
Terminals 11 to 15 do not exist on models without an Option Unit (heater burnout detection, control output 2, event inputs, or communications). Terminal applications depend on the model of the Option Unit.
E5CN-U
Voltage Output 5 DC12V Control output 1 4 21mA + A Analog input +

0 to 50 mV input only
Relay Output One Alarm Output 5 4 3 2 1 6 7 8 9

Alarm 1/ Input error output (See note.)
Two Alarm Outputs 7 8 9 Alarm 1/ Input error output Alarm 2/ Control output 2
Do not connect.
B B Pt
Platinum resistance thermometer
+ TC Infrared temperature sensor
10 11 Input power supply
The input power supply depends on the power supply specification of the Controller and is either 100 to 240 VAC or 24 VAC/DC (no polarity). Order the P2CF-11 or P3GA-11 Socket separately. (See page 14.)
Note: Output when an input error output is enabled in the Advance Function Setting Level. If an input error output is enabled, the al-1 operation indication on the front panel will not light and s.err will be displayed on the No. 1 display.
10
Nomenclature
E5CN E5CN-U The front panel is the same for the E5CN and E5CN-U.
Temperature unit
No.1 display Operation indicators
No. 2 display
Level Key
Up Key
Mode Key
Down Key
Dimensions
Standard Models
E5CN Terminal Models
91 78 45 +0.6 0
Panel Cutout Group Mounted Mounted Separately

6
(48 number of units 2.5) +1.0 0
48 48
58
44.8 44.8 48.8
60 min.
Group mounting does not allow waterproofing. 45 +0.6 0
Mounting Adapter (Accessory)
Terminal Cover (E53-COV10)
45 +0.6 0
Recommended panel thickness is 1 to 5 mm. Group mounting is not possible in the vertical direction. (Maintain the specified mounting space between Controllers.) To mount the Controller so that it is waterproof, insert the waterproof packing onto the Controller. When two or more Controllers are mounted, make sure that the surrounding temperature does not exceed the allowable operating temperature specified in the specifications.
E5CN-U Plug-in Models
Panel Cutout Group Mounted Mounted Separately

48 48 6 14.2
(48 number of units 2.5) +1.0 0
70.5
45 +0.6 0
58
44.8 44.8
60 min.
45 +0.6 0 Mounting Adapter (Accessory)
45 +0.6 0
Recommended panel thickness is 1 to 5 mm. Group mounting is not possible in the vertical direction. (Maintain the specified mounting space between Controllers.) When two or more Controllers are mounted, make sure that the surrounding temperature does not exceed the allowable operating temperature specified in the specifications.
E5CN/E5CN-U
11
Accessories
Terminal Cover
48
E53-COV10
48.8
22
Note: The suffix 500 is added to the model number of each Controller provided with a E53-COV10 Terminal Cover.
9.1
Current Transformers (Sold Separately)

E54-CT1
21 15 5.8 dia. 7.5 2.8
25
3 10.5 40 Two, 3.5 dia. 10 30
E54-CT3
2.36 dia. 30 12 dia. 9
E54-CT3 Accessory Armature
Connection Example
Armature Plug
Approx. 3 dia. Lead
40 40
18
Plug
Two, M3 (depth: 4)
15
Approx. 6 dia.
30
(22)
12
Adapter
Note: Use this Adapter when the panel has already been prepared for the E5B@. Y92F-45
4.7 72 72 76 69.6 to 77.6 Fixture (Accessory)
67 67 87
Mounted to E5CN
72 72
Panel (1 to 8 mm)
48 48
2.2
4.7 77.3 (to back of E5CN)
E5CN-U Wiring Socket (Sold Separately)

Front-connecting Socket P2CF-11
Eleven, M3.5 7.5 sems screws 3 7.8 4.5
Terminal Layout/Internal Connections (Top View)

8 7 6 5 4
Mounting Holes
Two, 4.5 dia mounting holes
70 max. Two, 4.5-dia. holes
35.4
9 3 10 11 1 2
400.2
Note: Can also be mounted to a DIN track.
50 max. 31.2 max.
Note: A model with finger protection (P2CF-11-E) is also available.
Back-connecting Socket P3GA-11

27 dia.
Terminal Layout/Internal Connections (Bottom View)

5 6 7 8 4
45
25.6
3 9 2 1 11 10
45 4.5 16.3 6.2 8.7 6
Note: 1. Using any other sockets will adversely affect accuracy. Use only the specified sockets. 2. A Protective Cover for finger protection (Y92A-48G) is also available.
E5CN/E5CN-U
13
14
Operation
Outline of Operation Procedures
The following diagram illustrates the entire setting level. A password is required to enter the advance function setting level and the calibration level. Some parameters may not be displayed depending on the protection settings and operation conditions. The control operation will stop when switching from operation level to initial setting level.
]
Power ON
Starting in manual mode Starting in automatic mode
Press the Level Key for at least 1 s.
Operation Level
C
Adjustment Level
Press the Level Key less than 1 s. Press the Level + Mode Keys. Press the Level Key for at least 1 s
a-m
Press the Level + Mode Keys; display will flash.

C
Manual Mode
Press the Level Key for at least 1 s; display will flash. Press the Level Key (See for at least 3 s while note 3.) a-m is displayed.
25
100
(See note 1.)
25
100
for at least 1 s; display will flash.
Press the Level Key for at least 3 s. Control stops .
Press the Level + Mode Keys for at least 3 s. (See note 4.)
Manual Control Level
Initial Setting Level
Communications Setting Level

Press the Level Key for less than 1 s.
Protect Level
Input password.
Set value 169
Advanced Function Setting Level
Control in progress
Input password.
Set value 1201 (See note 2.)
Control stopped Not displayed for some models Level change
Calibration Level
Note: 1. 2. 3. 4.
Operation level entered for software reset. You cannot move to other levels by operating the keys on the front panel from the calibration level. You must turn OFF the power supply. You can move only to the operation level by operating the keys on the front panel from the manual control level. The time taken to move to the protect level can be adjusted by changing the Move to protect level time setting.
E5CN/E5CN-U
15
Parameters
Some parameters are not displayed depending on the model of the Controller and parameter settings. For details, refer to the E5CN/E5CN-U Temperature Controller User's Manual (Cat. No. H129)
Press the Level Key for at least 3 s. (Display flashes for at least 1 s.)
Power ON
Starting in manual mode
Displays other than that for switching between automatic and manual
Manual Control Level

C
25 PID control only
PV/MV
Starting in automatic mode
Press the Level Key less than 1 s.
Adjustment Level
Operation Level
Set either of these parameters. Set either of these parameters. Set either of these parameters.
l.adj
a
Adjustment level display

Displayed only once when entering adjustment level.
C C
8.0
a
p Proportional band
C
25 Process value Added when PV

a
al-1 Alarm value 1

0
a
display is added.
C
off
a
at AT execute/cancel
233
a
i Integral time d Derivative time
PID settings
25 Process value/ set point

0
a
al1h Upper-limit 1 alarm value

0
a
Auto/manual switch
C
cmwt Communications writing

off
a
a-m PID control onlyauto/manual Added when

Press the Level Key for at least 3 s. (Display flashes for at least 1 s.)
a
switching function is added.

C
al1l Lower-limit 1 alarm value

0
a
40
a
ct1 Heater current value 1

0.0 monitor
a
c-sc Cooling coefficient

1.00
a
C
m-sp Multi-SP set 0 point setting

a
C
al-2 Alarm value 2

0
a
Heating/cooling
sp-m
0
a
SP ramp monitor
ct2 Heater current value 2 0.0 monitor

a
c-db Dead band

0.0
a

0
a
lcr1 Leakage current value

0.0 1 monitor
a
of-r Clear the offset during stabilization

50.0 of P or PD control.
a
C
Manual reset value
ct1 Heater current value 1 monitor

0.0
a

0
a
lcr2 Leakage current value 0.0 2 monitor

a
hys Hysteresis (heating)

1.0
a
ct2 Heater current value 2 0.0 monitor

a
al-3 Alarm value 3

0
a
Hysteresis settings
hb1 Heater burnout 1

0.0 detection
a
chys Hysteresis (cooling)

1.0
a
lcr1 Leakage current 0.0 value 1 monitor

a

0
a
lcr2 Leakage current value 2 monitor

0.0
a

0
a
hb2 Heater burnout 2 0.0 detection

a
soak Soak time

1
a
C
prst
rset
a
Program start
0.0
a
o MV monitor (heating)
hs1 SSR failure detection 1

50.0
a
wt-b Wait band

off
a
sktr Remaining soak time monitor

0
a
c-o MV monitor (cooling)

0.0
a
hs2 SSR failure detection 2

50.0
a
C
mV-s MV at stop
0.0
a
r-s
run
a
Run/stop
sp-0 SP 0
0
a
mV-e MV at PV error
0.0
a
C
sp-1 SP 1
0
a
sprt SP ramp set value

off
a
Press the Level + Mode Keys for at least 3 s. Display flashes.
Press the Level + Mode Keys for at least 1 s.
SP used by multi-SP
Protect Level
The time taken to move to the protect level can be adjusted by changing the "Move to protect level time" setting.
Communications Setting Level

Displayed only for models with communications. Changes are effective after cycling power or after a software reset.
sp-2 SP 2
0
a
ol-h MV upper limit

105.0
a
sp-3 SP 3
0
a
ol-l MV lower limit

-5.0
a
pmoV
a
Move to protect level

Displayed only when a password level.
0 is set. Restricts moving to protect
psel
a
Protocol setting
Switches between (SYSWAY) and Modbus.
cwf CompoWay/F
ins Temperature input shift 1-point shift

0.0
a
oapt
Set either of these parameters.
a
Operation/adjustment protection
Restricts displaying and modifying and manual control levels.
u-no Communications
1
a
insh Upper-limit input temperature

0.0
a
0 menus in operation, adjustment,
Unit No.
CompoWay/F
2-point shift
insl Lower-limit
a
icpt This protect level restricts movement

1 to the initial setting, communications
setting, and advanced function setting levels.
a
Initial Setting/ Communications Protection
bps Baud rate (SYSWAY) only 9.6

a
0.0 temperature input
len Data bits

7
a
change wtpt Setting changes toprotection Protects setups by

off
a
operating the front panel keys.
sbit Stop bits

2
a
enable pmsk Parameter mask a Displayed only when

on parameter mask is set.
a
prty Communications
eVen
a
parity
prlp
0
a
Password to move to protect level

Password setting
sdwt Send delay

20
a
16
Initial Setting Level

Advanced Function Setting Level
in-t Input type

5
a
init initialization
off
a
Parameter
pVad Additional PV
off display
a
mVse Additional MV for

off stop/error
a
in-h Scaling upper limit

100
a
eV-m Two SPs: 1

a
Number of multi-SP uses
o-dp MV display
off
a
amad
off
a
in-l Scaling lower limit

0
a
1 Four SPs: 2
Auto/manual switching function addition
eV-1 Event input

For input type of analog
a
dp Decimal point
0
a
none assignment 1
ret Automatic return of

off display mode
a
off
a
rt RT
on detection
eV-2 Event input

a
d-u Temperature unitFor input type of C, F

c
temperature
a
C
stop assignment 2
a1lt Alarm 1 latch

off
a
hsu SSR failure

a
sl-h SP upper limit

1300
a
mspu Multi-SP uses

off
a
a2lt Alarm 2 latch

off
a
hsl SSR failure latch

off
a
Limit the set point.
sl-l SP lower limit

-200
a
spru SP ramp time unit

m
a
a3lt Alarm 3 latch

off
a
hsh SSR failure

0.1 hysteresis
a
cntl PID ON/OFF

onof
a
rest
a
Standby sequence
a reset method
prlt Move to protect level time

3
a
lba LBA detection time

0
a
C
s-hc Standard or heating/ cooling

stnd
a
C
al1n Alarm 1 open in

n-o alarm
a
sero Input error output

off
a
lbal LBA detection

8.0 threshold
a
st ST
on
a
For input type of temperature, standard, or PID When assigning PID or control output to pulse output
alh1 Alarm 1 hysteresis

0.2
a
cjc Cold junction

a
on compensating method
lbab LBA detection

3.0 width
a
ptrn Program
off pattern
a

n-o alarm
a
C
rlrV MB command logic

off switching
a
out1 Control output 1

o assignment
a
cp Control period (heating)

20
a

0.2
a
colr PV display color

red
a
C
out2 Control output 2

none assignment
a
Set the pulse output cycle.
c-cp
20
a
Control period (cooling)

n-o alarm
a
C
pV-b PV stable range

5.0
a
alm1 Alarm output 1

alm1 assignment
a
oreV Direct/reverse operation

or-r
a

0.2
a
a1on Alarm 1 ON delay

0
a
alm2 Alarm output 2

alm2 assignment
a
alt1 Alarm 1 type

2
a
hbu Heater burnout

on detection
a

0
a
csel Display text switch

on
a
alt2 Alarm 2 type

2
a
hbl Heater burnout latch

off
a

0
a
t-u Soak time unit

m
a
alt3
2
a
Alarm 3 type
hbh
a
C
Heater burnout
0.1 hysteresis
a1of Alarm 1 OFF delay

0
a
alsp Alarm SP selection

sp-m
a
tr-t
off
a
Transfer output type

Linear output
st-b ST stable range

15.0
a

0
a
cmoV Move to calibration

0 level
a
tr-h Transfer output upper limit

100.0
a
alfa
0.65
a

0
a
tr-l Transfer output lower limit

0.0
a
inf Input digital filter

0.0
a a
istp Input shift type

ins1
o1-t Linear current output

4-20
a
Linear output
amoV
0
a
Move to advanced function setting level

Displayed when initial setting/ communications protection is set to 0
Move by setting password (169).
E5CN/E5CN-U
17
Improvements to E5CN Functionality

Changes
Model numbers have been changed to allow for multi-input specifications. Before Change E5CN-@@@TC (models for thermocouples) E5CN-@@@P (models for platinum resistance thermometers)
Precautions in Replacing Previous Controllers

The input type setting numbers have changed to allow for multiinput specifications. (The default setting is for a K sensor between -200 and 1,300C.) Previous E5CN Controllers cannot be removed from the case for replacement with new models. Replace the case at the same time. The previous ThermoTools cannot be used with the new Controller models. Use the ThermoTools scheduled for marketing from July 2004. The height of the front panel that extends when the Controller is mounted to a panel has been reduced from 9 to 6 mm. Note: Items That Have Not Been Changed Panel cutout dimensions Panel interior dimensions for panel mounting Wiring terminal sizes Wiring terminal arrangement Parameter setting procedure
After Change E5CN-@@@T (Models that support both thermocouples and platinum resistance thermometers)
6 mm
The following items do not change in comparison to the previous E5CN models: Panel cutout, Internal panel dimensions for panel mounting, wiring screw sizes, wiring terminal arrangement, and parameter setting methods.
Improved Functions
The previous and new models can be easily differentiated by looking at the front panel. The OMRON logo is in a different position. Item Front panel Previous models (OMRON logo: lower left) Improved models (OMRON logo: upper left)
ALM1 ALM2
HB
OUT1 STOP OUT2 CMW

Basically, the Controllers are upwardly compatible. The terminal arrangement, terminal sizes, and depth for panel mounting have not been changed. Changes are listed in the following tables. For details, refer to the E5CN/E5CN-U Temperature Controller User's Manual (Cat. No. H129) and to the E5CN Temperature Controller Communications User's Manual (Cat. No. H130).
18
Specifications
Ratings
Item Power E5CN consumption E5CN-U Sensor input Previous models 7 VA (100 to 240 VAC, 50/60 Hz) 4 VA/3 W (24 VAC, 50/60 Hz or 24 VDC) 6 VA (100 to 240 VAC, 50/60 Hz) 3 VA/2 W (24 VAC, 50/60 Hz or 24 VDC) E5CN-@@TC Thermocouple: K, J, T, E, L, U, N, R, S, or B Infrared temperature sensor: 10 to 70C, 60 to 120C or 115 to 165C (160 to 260C) Voltage input: 0 to 50 mV E5CN-@@P Platinum resistance thermometer: Pt100 or JPt100 (No models with analog inputs) Improved models 7.5 VA (100 to 240 VAC, 50/60 Hz) 4 VA/3 W (24 VAC, 50/60 Hz or 24 VDC) 6 VA (100 to 240 VAC, 50/60 Hz) 3 VA/2 W (24 VAC, 50/60 Hz or 24 VDC) E5CN-@@T (Multi-input models) Thermocouple: K, J, T, E, L, U, N, R, S, or B Infrared temperature sensor: 10 to 70C, 60 to 120C or 115 to 165C (160 to 260C) Voltage input: 0 to 50 mV Platinum resistance thermometer: Pt100 or JPt100 E5CN-@@L (Models with analog inputs added.) Current input: 4 to 20 mA or 0 to 20 mA Voltage input: 1 to 5 V, 0 to 5 V, or 0 to 10 V E5CN-R@@ SPST-NO, 250 VAC, 3 A (resistive load) Electrical life: 100,000 operations min. E5CN-Y@@ (Added models with long-life relay outputs.) (To be available soon) SPST-NO, 250 VAC, 3 A (resistive load) Electrical life: 1,000,000 operations min. DC loads cannot be connected. E5CN-Q@@ 12 VDC 15% (PNP) Max. load current: 21 mA With short-circuit protection E5CN-C@@ 4 to 20 mA DC or 0 to 20 mA DC Load: 600 W max. Resolution: Approx. 2,700 (Option Unit) 12 VDC 15% (PNP) Max. load current: 21 mA With short-circuit protection 11-segment digital display and single-LED indicator (Improved visibility) (A 7-segment digital display also possible.) Character height: PV: 11.0 mm, SV: 6.5 mm E5CN-C@@ (current output) Allocated to current output 4 to 20 mA DC or 0 to 20 mA DC Load: 600 W max. Resolution: Approx. 2,700
Control output
Relay
E5CN-R@@ SPST-NO, 250 VAC, 3 A (resistive load) Electrical life: 100,000 operations min. ---
Voltage
E5CN-Q@@ 12 VDC 15% (PNP) Max. load current: 21 mA With short-circuit protection E5CN-C@@ 4 to 20 mA DC Load: 600 W max. Resolution: Approx. 2,600 (No models with two control outputs)
Current
Control output 2
Voltage
Display method
7-segment digital display and single-LED indicators Character height: PV: 9.9 mm, SV: 6.4 mm
Transfer output
(No models with transfer outputs)
E5CN/E5CN-U
19
Other Functions
Item Display --PV display switch between 2 colors (red/green) --Input Output Previous models Improved models Parameter mask function (provided with setting software) PV display switch between 3 colors (red/orange/green) Display character switch (7-segment/11-segment)
Temperature input shift (1-point shift for temperature input, Temperature input shift (2-point shift also possible for temperature 2-point shift for no-contact sensor input) input) --------Manual outputs MV at stop MV at PV error Loop break alarm Control period: 0.5 or 1 to 99 s Robust tuning Alarm delays Alarm SP selection (selection of alarm operation of SP indicator) Simple programming function Password to move to protect level Setting software port
Control Alarm Other
Control period: 1 to 99 s -------------
Characteristics
Item Sampling period 500 ms Previous models 250 ms Improved models
Communications Specifications
Item Communications protocols Baud rate Previous models CompoWay/F (SYSWAY) 1200, 2400, 4800, 9600, 19200 bps Improved models CompoWay/F (SYSWAY), Modbus 1200, 2400, 4800, 9600, 19200, 38400 bps
Heater Burnout/SSR Failure Detection Characteristics

Item Maximum heater current Previous models Option Units Single-phase 50 A VAC --SSR failure detection --Improved models Option Units Single-phase 50 A AC Option Units (two CT inputs) Three-phase 50 A AC SSR failure detection
20
Precautions
Note: Refer to the ntlp: Electronic Temperature Controller Catalog (Cat. No. ntlp) for common precautions.
!CAUTION
Do not touch any of the terminals while the power is being supplied. Doing so may occasionally result in minor electric shock. Do not allow pieces of metal or wire cuttings to get inside the Temperature Controller. Failure to do so may occasionally result in minor electric shock, fire, or damage to equipment. Do not use the Temperature Controller in locations subject to flammable or explosive gas. Doing so may occasionally result in minor injury due to explosion. Do not attempt to disassemble, modify, or repair the Temperature Controller or touch any internal components. Doing so may occasionally result in minor electric shock, fire, or damage to equipment. Caution: Danger of Electric Shock a) This Temperature Controller is UL-listed as an opentype process controller. Use it in a control panel structure so that fire will not leave the panel. b) When using two or more cutoff switches, turn OFF all switches so that no power is supplied to the Temperature Controller before maintenance or inspections. c) Signal inputs are SELV restricted circuits. (See note 1.) d) Caution: To reduce the danger of fire or electric shock, do not internally connect the outputs of different class 2 circuits. (See note 2.) If the output relay is used beyond its life expectancy, its contacts may occasionally become fused or burned. Always consider the actual application conditions and be sure to use the output relay within its rated load and electrical life expectancy. The life expectancy of the output relay varies considerably according to its switching capacity and operating conditions. Fire may occasionally occur if terminal screws become loose. Tighten the terminal screws using a torque between 0.74 and 0.90 Nm. Make settings for the Temperature Controller that are suitable for the controlled system. Failure to do so may result in unexpected operation occasionally resulting in damage to equipment or personal injury. Warning: To reduce the danger or electric shock or fire, use the Temperature Controller in an controlled environment relatively free from polluting materials. Take appropriate safety measures, such as installing a separate monitoring system, to ensure safe operation in the event of a malfunction of the Temperature Controller. Loss of operation control or alarm outputs due to malfunction may occasionally result in physical damage to the controlled system or equipment. Note: 1. An SELV circuit is one separated from the power supply with double insulation or reinforced insulation, that does not exceed 30 V r.m.s. and 42.4 V peak or 60 VDC. 2. A class 2 power supply is one tested and certified by UL as have the current and voltage of the secondary output restricted to specific levels.
Precautions for Safe Use

1. Do not use the Temperature Controller in the following locations. Locations exposed to radiated heat from heating devices Locations subject to exposure to water or oil Locations subject to direct sunlight Locations subject to dust or corrosive gas (especially sulfide gas or ammonia gas). Locations subject to severe temperature changes Locations subject to icing or condensation Locations subject vibration or strong shock 2. Use and store the Temperature Controller within the rated ambient temperature and humidity. When two or more Temperature Controllers are mounted horizontally close to each other or vertically next to one another, the internal temperature will increase due to heat radiated by the Temperature Controllers and the service life will decrease. In such a case, use forced cooling by fans or other means of air ventilation to cool down the Temperature Controllers. 3. Allow enough space around the Temperature Controller to ensure proper heat dissipation. Do not block the ventilating holes. 4. Be sure to wire terminals properly using the correct polarity. 5. Use crimp terminals with the specified dimensions (M3.5, width 7.2 mm max.). Use wires of a thickness of AWG24 (0.205 mm2) to AWG14 (2.081 mm2). The exposed current-carrying part to be inserted into terminals must be 5 to 6 mm. 6. Do not connect anything to unused terminals. 7. Allow as much space as possible between the Controller and devices that generate powerful high frequencies (high-frequency welders, high-frequency sewing machines, etc.) or surge. Keep the wiring for the Temperature Controller's terminal block away from power cables carry high voltages or large currents. Also, do not wire power lines together with or parallel to Temperature Controller wiring. 8. Use the Temperature Controller within a power supply voltage and load that meet all specifications and ratings. 9. Set up the power supply so that the voltage will reach the rated voltage within 2 seconds after turning ON. 10. Allow at least 30 minutes for the Temperature Controller to warm up. 11. When using self-tuning, turn ON power for the load (e.g., heater) at the same time as or before supplying power to the Temperature Controller. 12. Install the appropriate switches and circuit breakers and label them accordingly so that power can be turned OFF in an emergency by the person operating the Temperature Controller. 13. If you remove the Controller from its case, do not touch or apply shock to the electronic parts inside. When placing the Controller back in the case, make sure that electronic parts do not come in contact with the case. 14. Use alcohol to clean the Temperature Controller. Do not use thinner or other solvent-based substances. 15. It will require 2 seconds for the outputs from the Temperature Controller to stabilize after turning ON the power supply. Design the system (e.g., the control panel) to allow for this time. 16. Outputs will turn OFF depending on the mode when switching to the initial setting mode. Confirm system safety before switching the mode.
E5CN/E5CN-U
21
Precautions for Correct Use

Service Life
1. Use the Temperature Controller within the following temperature and humidity ranges: Temperature: -10 to 55C (with no icing or condensation) Humidity: 25% to 85% If the Controller is installed inside a control board, the ambient temperature must be kept to under 55C, including the temperature around the Controller. 2. The service life of electronic devices like Temperature Controllers is determined not only by the number of times the relay is switched but also by the service life of internal electronic components. Component service life is affected by the ambient temperature: the higher the temperature, the shorter the service life and, the lower the temperature, the longer the service life. Therefore, the service life can be extended by lowering the temperature of the Temperature Controller. 3. When two or more Temperature Controllers are mounted horizontally close to each other or vertically next to one another, the internal temperature will increase due to heat radiated by the Temperature Controllers and the service life will decrease. In such a case, use forced cooling by fans or other means of air ventilation to cool down the Temperature Controllers. When providing forced cooling, however, be careful not to cool down the terminals sections alone to avoid measurement errors.
Mounting
Order the P2CF-11 or P3GA-11 Socket separately.
Terminal Cover (order separately) Mounting Adapter (Accessory)
E5CN-U
Waterproof packing Panel
Front-mounting Socket (Panel mounting is also possible.)
E5CN
Mounting to a Panel
1. To mount the Controller so that it is waterproof, insert the waterproof packing onto the Controller. Group mounting does not allow waterproofing. The waterproof packing is not required if waterproofing is not necessary. The Panel Mounting Adapter is also included with the E5CN-U. Waterproof packing is not included with the E5CN-U. 2. Insert the E5CN/E5CN-U into the mounting hole in the panel. 3. Push the adapter along the Controller body from the terminals up to the panel, and fasten it temporarily. 4. Tighten the two fixing screws on the adapter. Alternately tighten the two screws a little at time to keep them balanced. Tighten them to a torque of 0.29 to 0.39 Nm.
Measurement Accuracy
1. When extending or connecting the thermocouple lead wire, be sure to use compensating wires that match the thermocouple types. 2. When extending or connecting the lead wire of the platinum resistance thermometer, be sure to use wires that have low resistance and keep the resistance of the three lead wires the same. 3. Mount the Temperature Controller so that it is horizontally level. 4. If the measurement accuracy is low, check to see if input shift has been set correctly.
Attaching the Terminal Cover

Make sure that the UP letters on the E5CN are at the top and insert the terminal cover into the holes at the top and bottom of the Controller.
Removing the Controller from the Case

When carrying out maintenance on the Controller, the Controller can be removed from the case with the terminal leads still attached. The Controller can be removed from the case only with the E5CN. It cannot be removed with the E5CN-U.
Tool insertion hole Flat-blade screwdriver (Unit: mm)
Waterproofing
The degree of protection is as shown below. Sections without any specification on their degree of protection or those with IP@0 are not waterproof. Front panel: NEMA4X for indoor use (equivalent to IP66) Rear case: IP20, Terminal section: IP00 (E5CN-U: Front panel: Equivalent to IP50, rear case: IP20, terminals: IP00)
(1) (3)
ALM1 ALM2 ALM3 HA
PV
OUT1 OUT2 STOP CMW MANU
SV
Operating Precautions
0.4
1. It takes approximately two seconds for the outputs to turn ON from after the power supply is turned ON. Due consideration must be given to this time when incorporating Temperature Controllers in a sequence circuit. 2. When using self-tuning, turn ON power for the load (e.g., heater) at the same time as or before supplying power to the Temperature Controller. If power is turned ON for the Temperature Controller before turning ON power for the load, self-tuning will not be performed properly and optimum control will not be achieved. 3. When starting operation after the Temperature Controller has warmed up, turn OFF the power and then turn it ON again at the same time as turning ON power for the load. (Instead of turning the Temperature Controller OFF and ON again, switching from STOP mode to RUN mode can also be used.) Avoid using the Controller in places near a radio, television set, or wireless installing. 4. These devices can cause radio disturbances which adversely affect the performance of the Controller.
(2) (1)
E5 C N
1. Insert the tool into the slots (one on the top and one on the bottom) and release the hooks. 2. Insert the tool into the gap between the front panel and rear case and pull out the front panel slightly. Hold both sides of the front panel and draw out the Controller towards you. Do not apply unnecessary force. 3. Before inserting the Controller, confirm that the sealing rubber is in place. Insert the Controller into the rear case until you hear a click. Press on the hooks on the top and bottom of the rear case to be sure that the hooks are securely locked in place.Be sure that electronic parts do not come in contact with the case.
22
2.0
20 min.
Wiring Precautions
Separate input leads and power lines to protect the Controller and its lines from external noise. Use wires of a thickness of AWG24 (0.205 mm2) to AWG14 (2.081 mm2). The exposed current-carrying part to be inserted into terminals must be 5 to 6 mm. We recommend using crimp terminals when wiring the terminals. Tighten terminal screws to a torque of 0.74 to 0.90 Nm. Use the following type of crimp terminals for M3.5 screws.
7.2 mm min.
7.2 mm min.
E5CN/E5CN-U
23
Warranty and Application Considerations

Read and Understand this Catalog
Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or comments.
Warranty and Limitations of Liability

WARRANTY OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified) from date of sale by OMRON. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR PARTICULAR PURPOSE OF THE PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. OMRON DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED. LIMITATIONS OF LIABILITY OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS, OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT LIABILITY. In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted. IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS REGARDING THE PRODUCTS UNLESS OMRON'S ANALYSIS CONFIRMS THAT THE PRODUCTS WERE PROPERLY HANDLED, STORED, INSTALLED, AND MAINTAINED AND NOT SUBJECT TO CONTAMINATION, ABUSE, MISUSE, OR INAPPROPRIATE MODIFICATION OR REPAIR.
Application Considerations
SUITABILITY FOR USE OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's application or use of the products. Take all necessary steps to determine the suitability of the product for the systems, machines, and equipment with which it will be used. Know and observe all prohibitions of use applicable to this product. NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCTS ARE PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
Disclaimers PERFORMANCE DATA

Performance data given in this catalog is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of OMRON's test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to the OMRON Warranty and Limitations of Liability. CHANGE IN SPECIFICATIONS Product specifications and accessories may be changed at any time based on improvements and other reasons. Consult with your OMRON representative at any time to confirm actual specifications of purchased product. DIMENSIONS AND WEIGHTS Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown. ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
Cat. No. H128-E1-01
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
Industrial Automation Company Industrial Devices and Components Division H.Q. Measuring Components Department Shiokoji Horikawa, Shimogyo-ku, Kyoto, 600-8530 Japan Tel: (81)75-344-7080/Fax: (81)75-344-7189
Printed in Japan 0404-??M (0404) (?)
24

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Digital Temperature Controllers

Note: Refer to page 19 for information on changes in comparison to previous models.

Faster Sampling at 250 ms

Three-phase Heater Burnout Detection

Easy Connector to a Recorder

Easy, Dependable, and Even Faster

Multi-input Capability with One Controller