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Technical Manual: Pavone Sistemi

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Pavone Sistemi

pesatura elettronica industriale

TECHNICAL MANUAL

DAT 200 Serial and PROFIBUS weighing Indicator/Trasnmitter


Software version PW0302
Page II
TABLE OF CONTENTS

WARNINGS.................................................................................................Page 2

INTRODUCTION ..........................................................................................Page 3

TECHNICAL FEATURES ..................................................................................Page 4

INSTALLATION .............................................................................................Page 5

FRONT PANEL ..............................................................................................Page 8

USING THE KEYBOARD ................................................................................Page 8

DISPLAY INDICATIONS..................................................................................Page 9

VIEWING, ZEROING THE WEIGHT AND AUTOTARE .......................................Page 10

SET-UP .........................................................................................................Page 12

FLOW CHART MENU ....................................................................................Page 13

WEIGHING SET-UP MENU ............................................................................Page 14

WEIGHT CALIBRATION MENU ......................................................................Page 15

WEIGHING PARAMETERS SET-UP MENU ........................................................Page 16

SERIAL COMMUNICATIONS PORTS MENU ....................................................Page 18

SERIAL COMMUNICATION PROTOCOLS .......................................................Page 20

PROFIBUS PROTOCOLS ................................................................................Page 26

TROUBLESHOOTING ...................................................................................Page 28
Rel ID 173904 Sw. 0.9

Page 1
WARNINGS
READ this manual BEFORE operating or servicing on the instrument.
FOLLOW these instructions carefully.
SAVE this manual for future use.

CAUTION
The installation and maintenance of this instrument must be allowed
to qualified personnel only.
Be careful when you perform inspections, testing and adjustment
with the instrument swithced on.
Failure to observe these precautions may be dangerous.
DO NOT allow untrained personnel to work, clean, inspect, repair
or tamper with this instrument.

Page 2
INTRODUCTION
The DAT 200 is a weight transmitter to be matched to the load cells to detect the weight in every situation.
The module is easy to install and can be mounted on 35 mm DIN rail.
The display allows easy reading of the weight, the configuration parameters and errors.
The 3 keys located below the display and protected by the front door allow the Operator to perform
the functions of ZERO and CALIBRATION as well as datasheet and real calibration.
The DAT 200 use RS232 serial port with ASCII and Modbus RTU protocols to be connected to PC, PLC
and remote units.
The presence of the most common fieldbus, also allows interfacing the transmitter with any supervision
device currently offered by the market.

Fieldbus available:
PROFIBUS
PROFINET
DEVICENET

IDENTIFICATION PLATE OF THE INSTRUMENT

PAVONE SISTEMI

It’s important to communicate this data, in the event of a request for information. The software
number and release number are shown on the cover of the manual and also displayed when
the instrument is switched on.

WARNINGS
The following procedures must be performed by qualified personnel.
All connections must be performed when the instrument is switched
off.

Page 3
TECHNICAL FEATURES
Power supply 24 Vdc ±10% protected against reverse polarity.
Protection with resettable fuse.
Max. absorption 2W
Isolation Class II
Operating temperature -10°C ÷ +50°C (max. humidity 85% non-condensing)
Storage temperature -20°C ÷ +60°C
Weight display Numerical with 5 red led digits and 7 segments (h 7
mm)
Led 2 LEDs of 3 mm
Keyboards 3 mechanical keys (behind the red front door)
Overall dimensions 112 x 119 x 35 mm (l x h x w), including terminal
boards.
Installation Brackets for DIN section or OMEGA bar
Material Self-extinguishing Blend PC/ABS
Connections Removable terminal boards with screws, pitch 5.08
mm
Input of the load cells with following features max. 4 of 350 Ω in parallel (or 8 cells of 700 Ω).
Load cell excitation 4 Vdc
Linearity <0.01% of the full scale
Temperature drift <0.001% of the full scale / °C
Internal resolution 24 bit
Measuring range -3.9 ÷ +3.9 mV/V
Digital filter To be selected from 0.2 Hz to 25 Hz
Number of decimals weight 0 ÷ 4 decimal places
Calibration of zero and full scale From the buttons.
Check of load cell cable interruption Always present

Serial ports RS232 half duplex


Baud rate 2400 ÷ 115200 baud
Maximum cable length 15m
Fieldbus PROFIBUS DP V1
Connection D-Sub- 9 poles female connector
Baud rate 9.6 kbaud÷12 Mbaud with automatic selection
Addres 1÷125

In compliance with the standards EN61000-6-2, EN61000-6-3 for EMC


EN61010-1 for Electrical Safety

Page 4
INSTALLATION

GENERAL INFORMATION
The DAT 200 consists of a motherboard, to which are added the options available, accommo-
dated in a plastic enclosure for DIN rail 35mm.
The DAT 200 should not be immersed in water, subjected to jets of water and cleaned
or washed with solvents.
Do not expose to heat or direct sunlight.

OVERALL DIMENSIONS

101
112

119 35

ELECTRIC INSTALLATION
DAT 200 is equipped with removable screw, pitch 5.08 mm.
The load cell cable must be shielded and channeled away from power cables to pre-
vent electromagnetic interferences.

INSTRUMENT POWER SUPPLY


+ Vdc
GND

17 18 19 20 21 22 23 24
The instrument is powered through the terminals 23 and 24. The
power supply cable must be channeled separately from other cables.
The internal circuit is galvanically isolated from the supply voltage.
+24 Vdc
0V

Power supply voltage: 24 Vdc± 10%, max. 2W


+
-

Page 5
LOAD CELL CONNECTIONS
The cable of the load cell (or load cells) should not be channeled
with other cables, but has to follow its own path.
The instrument can be connected up to maximum 4 load cells of 350
ohm in parallel. The supply voltage of the load cells is 4 Vdc and is
protected by temporary short circuit.
The measuring range of the instrument involves the use of load cells
with a sensitivity of up to 3.9 mV/V.
The cable of the load cells must be connected to terminals 2-7 of
the 7-pin removable terminal board. In the case of 4-wire load cell
SENSE+
SENSE-

SHIELD
EXC+
SIG+

EXC-
SIG-

cable, jump terminals 2 with 5 and 3 with 4.


Connect the cell cable shield to the terminal 1.
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 In the case of the usage of two or more load cells, use special jun-
ction boxes (CEM4/C or CSG4/C).

J-BOX CGS4/C DAT 200


+EXC 1 +EXC -SGN 1 6 SIGN- TXD 8
-EXC 2 -EXC +SGN 2 7 SIGN+ RXD 9

+SGN 3 +SGN -EXC 3 2 EXC- S.GND 10

-SGN 4 -SGN -SNS 4 5 SENSE-

SHD 5 SHD +SNS 5 4 SENSE+

+EXC 6 3 EXC+

SHD 7 1 SHD
+EXC 1 +EXC
-EXC 2 -EXC
+SGN 3 +SGN
-SGN 4 -SGN

SHD 5 SHD

+EXC 1 +EXC

FIELDBUS
-EXC 2 -EXC
25 PIN CONNECTOR

+24V
+SGN 3 +SGN
-SGN 4 -SGN 23 +VDC
24 VDC 2W
SHD 5 SHD 24 GND

+EXC 1 +EXC
-EXC 2 -EXC
+SGN 3 +SGN
-SGN 4 -SGN
SHD 5 SHD

SERIAL COMMUNICATION
RS232:
The RS232 serial port is always present and can handle several
protocols.
To achieve the serial connection use a suitable shielded cable and
S.GND
SHIELD

RXD
TXD

make sure to ground the screen at one of the two ends: to pin 13,
if attached on the side of the instrument, to the ground, if connected
on the other side.
The cable must not be channeled with power cables, maximum
16 15 14 13 12 11 10 9 8 7 6 5 length
4 3 2 of
1 15 meters (EIA RS-232-C), beyond which you should take

the optional RS485 interface.

Page 6
FIELDBUS CONNECTION
PROFIBUS DP:
Pin Signal Description
1 - -
2 - -
3 B line +RxD/+TxD, level RS485
4 RTS Request to send 6 9

5 GND Ground (isolated) 1 5

6 + 5V Bus Output +5V termination (isolated)

8 A_LINE
6 +5V BUS
5 GND BUS
4 RTS
3 B_LINE
7 - -
8 A line -RxD/-TxD, level RS485
9 - -
Housing Cable shield Internally connected to protective
earth according to Profibus
specification
For connection to the Profibus Master, use a standard Profibus cable.
For a reliable operation of the Fieldbus, should be used a line ter-
mination at both ends.
In the case of multiple DAT 200 instruments, use the line termination
at only one instrument.
For configuring the instrument, the GSD file is available (hms_1810.
GSD) that must be installed in the master.

Page 7
FRONT PANEL
The DAT 200 transmitter has a front door that protects the 5 digits display, the 2 status LEDs and the
three front keys.
In operating mode the display shows the weight and the LEDs indicate the status of weight (net-gross).
The set-up parameters are easily accessible and can be changed through the use of the three front keys
used to select, edit, confirm and save the new settings.

DISPLAY
On the 5 digits display the lowest digit indicates the least significant digit.
Normally, the display shows the measured weight. During set-up procedure,
the display shows the sequence of the parameters and theyr values, that allow
the operator to set the instrument.

LED INDICATORS
In the upper part of the display there are two LED indicators:
LED 1 (on = net weight, off = gross weight, flashing = peak)
LED 2 (on = tare entered, off = no tare)
In bar-graph view, both LEDs are flashing.

USING THE KEYBOARD


The instrument is programmed and controlled through the 3 keys keyboard, with the following functions:

KEY FUNCTIONS IN WEIGHT INDICATION CONDITIONS

s Short press: Display switches from Gross to Net weight.


Long press: Display switches from Weight to Peak

u Short press: Display switches from Numerical to Bar-graph of to gross weight.


Long press: Zeroing of the weight/peak displayed.

t Short press: Sending the data to the serial line (if the manual protocol was selected)
Long press: Set point programming (DAT 200/A)

t u Pressed at the same time: Accessing the Main Menu


KEY FUNCTION IN THE MANAGEMENT OF THE SET UP MENU

s Exits the set up menu or returns to the higher level.

u Access its submenu, or access the set up or confirms the selected parameter.

t Goes to the next menu item.

KEY FUNCTION IN THE MANAGEMENT OF THE SET UP SUBMENU

s Increases the blinking digit / select the higher value.


Select the next digit. If the flashing digit is the last one, confirm the value and end the set
u up / selection.

t Decrease the blinking digit / select the lower value.

Page 8
DISPLAY INFO
When the instrument is switched ON the test-display is performed. In sequence there are: software
code, software version and hardware version.

P r 
J E 
3 J 
0 0 
2 1 

profb Profibus DP hardware module

It’s important to communicate these data in the event of a request for assistance.

ERRORS NOTIFICATION
In the operating mode, the display can report the following error codes.

- n E N  E
0 o f -  r
- C b C  N
L A U O  E
L S N  N

- Overload: The weight applied to the load cell exceeds by more than 9 divisions the maximum
capacity of the weighing system.
O-L O-L : No signal from the load cells or outside of the field of measurement mV/V.
noCAL NOCAL: Transmitter not calibrated. Recalibration needed.
Efbus EFBUS: Fieldbus interface absent or not working.
n-coN N-COM: Fieldbus interface of the instrument is not connected to the network.
E-CrC E-CRC: CRC error during communication with the fieldbus interface of the instrument.
ErNEN ERMEM: Error in E2PROM. You can reprogram the instrument to the factory settings, erasing
any calibration by pressing u key.

Page 9
VIEWING, ZEROING THE WEIGHT AND AUTO TARE
When the instrument is switched ON, the display shows the current net weight.

VIEWING THE NET WEIGHT/GROSS WEIGHT

8 3 Press the key s to toggle between the net weight to gross weight
and vice versa. The value displayed is reported by the LED 1 (lit:
3 5 net weight). If you have not entered the tare, the net weight is equal
6 2 to the gross weight.
5 0 In case of negative weight, it is displayed the minus sign before the
☞ ▲◆ ▲

most significant digit. In case of negative weight greater than 9999,
▼ ▼ the minus sign is displayed alternatively with the most significant digit.

NUMERICAL VIEWING/BAR-GRAPH OF THE GROSS WEIGHT



✹ Press the key u to toggle from numerical display of the weight to
8 -
- the graphical representation of the gross weight and vice versa.
3 -
-
-- The resolution is limited to 15 divisions and therefore each segment
6 -
-- represents 1/15 of full scale.
5 -
- The bar-graph display is indicated by both LEDs flashing.
▲ ▲
☞ ◆


▼ ZEROING THE WEIGHT
This operation is performed to correct small movements of the zero
of the scale. To perform the reset function, it is necessary to switch
the display to gross weight.
Press u key for 3 seconds to zeroing gross weight.

 The gross weight reset command does not run under the following
conditions:
 
3 sec. ▲ ▲ Unstable weight.
☞ ◆


▼ Gross weight greater (positive or negative) than the 0BAND value set.
If you previously performed the autotare function, this is automatically
delayed. When the instrument is switched off, it is restored the value
of Zero made during calibration.

AUTOMATIC TARE
To perform the auto-tare function, it is necessary to switch the display
to Net weight (LED 1 on).
Press u key for 3 seconds to to perform Autotare function. Led 2
switched on. The automatic tare command does not run under the
1 following conditions:
6 Unstable weight.
2 Negative gross weight.
5 0 Gross weight greater than the maximum capacity.
3 sec. ▲ ▲
☞ ◆ ◆ If the automatic tare is performed with gross weight = 0, the display
▼ ▼ shows again gross weight (Led 1 switched off).

Page 10
PEAK FUNCTION
The peak is related to the gross weight and is always calculated, ✹
even when it is not displayed. When you see the peak, the top LED
flashes. 3 3
To store the value press s key for 3 seconds. To go back to weight 7 7
display press s key for 3 seconds. To reset the peak value press u 4 4
key for 3 seconds. 3 sec.
6 6
The calculated peak is not retained at power off. ☞ ▲◆ ▲

3 sec. Back

3 sec. Reset Peack

▼ ▼

Page 11
SET UP

GENERAL INFO
All functions of the DAT 200 can be and amended through a simple setup menu, shown on the next
page. All the settings activated or selected are stored even after switching off the transmitter.
The DAT 200 is factory set. See the “default” parameters on the following pages.
At the first installation in the field some parameters need to be amended to obtain a correct indication
of the displayed weight (datasheet adjustment).
This procedure may be required when you purchase the DAT 200.
The settings of the setup menu can be changed using the three front buttons.

CHANGING AND ENTERING THE PARAMETERS:


The setup parameters are grouped into a number of main menus.

To access the setup menu press simultaneously for 3 seconds u and t keys.
The display shows the message ConfG which is the first of the main menus.

Use the t and s keys to select the menu to edit.


Press the u key to enter the selected menu.
KEY PROGRAMMING FUNCTION DURING THE MAIN MENU

s Exits the programming menu or returns to the higher level.

u Access the relevant menu or programming or confirm the selected parameter.

t Skip to the next menu.

KEY FUNCTION DURING PARAMETERS PROGRAMMING

s Increases the blinking digit / select the higher value.


Select the next digit. If the flashing digit is the last, confirms the value and ends the
u programming / selection.
t Decreases the blinking digit / select the lower.

The parameters of the menu can take selectable values and numerical value.

s key. Increment the flashing digit, select the next alternative value, goes back to the higher level
or exits the setup menu.

u key. Select the next digit, confirm the setting of the selected parameter, access the set up para-
meters and access the set up submenu.

t key. Decrement the flashing digit, select the previous alternative value.

NB. To exit and save the changed data, press the s button until the indicator returns to the operating
mode.

Page 12
Page 13
FLOW CHART MENU

ConfG

bAudr CON1 FrANE CON2 Addr AdPrF NodE dELAy

▲▼
▲▼

▲▼

▲▼
SEr

▲▼

▲▼
▲▼

▲▼


PAraN FILt StAb Aut-O OtraC Oband dELta

▲▼
▲▼

▲▼

▲▼
▲▼

▲▼


CAL1b CAL

▲▼
Used to Perform Calibration



ConFG CapaC sEnst dspdJ s1GnL

▲▼

▲▼

▲▼

▲▼


Normal View




3 sec.
CONFIGURATION PARAMETERS
Through the setting of the parameters listed below, the DAT 200 Full Scale datasheet calibration is
performed. You must complete these steps with the zero calibration described on the next page. The
procedure ensures, in the absence of mechanical problems, a good accuracy of the system (maximum
error <1% FS).

CapaC CAPACITY OF THE WEIGHING SYSTEM


AnaLG

ConFG

CaL1b
▲ ▲ ▲
It defines the value corresponding to the sum of the rated capacity of the
load cells. In case of single load cell systems and “N” fixed supports,
enter the capacity value of the load cell for the total number of sup-
▼ ▼ ports. This figure represents the full scale value of the weighing system.
◆ Following the change of the parameter value, the datasheet calibra-
CapaC

tion of the weight is recalculated.


Values: from 1 to 99999
◆ Enter Value ◆
Unit: the same of that displayed
Default: 10000
▲▼
sEnst

SEnst LOAD CELLS SENSITIVITY


Set the value corresponding to the sensitivity average of the load
◆ Enter Value ◆ cells, in mV/V. The instrument accepts values between 0.5 and 4
mV/V. If no values are entered, the unit assumes it is 2 mV/V.
▲▼ Following the change of the sensitivity value, the datasheet calibra-
dspdJ

tion is recalculated.
Values: from 0.5000 to 4.0000 mV/V
◆ Select Value ◆
Default: 2.0000

▲▼ dspdJ DIVISION VALUE


s1GnL

The ratio between the maximum capacity of the system and the
.
0378

division value is the resolution of the system (number of divisions).


◆ ◆ Following the change of the capacity of the system, it is automatically
selected the division value to the best of 5000 divisions.
▲▼
Following the change of the division value, if the maximum capa-
city does not change, the calibration of the weight is automatically
corrected.
Selectable Values:
0.001 - 0.002 - 0.005
0.01 - 0.02 - 0.05
0.1 - 0.2 - 0.5
1 -2 - 5
10 - 20 - 50
Default: 1

s1GnL TESTING THE LOAD CELLS SIGNAL


It’s displayed the signal acquired from the load cells expressed in
mV / V.

Page 14
CALIB - CALIBRATION
The calibration method below, is used to correct or reduce the linearity error of the weighing system.
The calibration should be performed with the use of sample weight or pre-weighed product on a sample
weighing system.
Before proceeding with the calibration of the full scale, always perform the zero calibration.
During the calibration phase, the display shows the weight intermittently with the inscription CAL.
ATTENTION: at power off without exiting the set-up menu, the programming executed are not stored.
NB In the event that after calibration the system has linearity errors, verify that the structure weighed is
completely free from mechanical constraints.

ZERO CALIBRATION
Perform the operation when the system is empty (including the fixed

ConFG

CALIb

PAraN
▲ ▲ ▲
tare) and the weight is stable. The zero of the system is done by pres-
sing the t key. The display shows 2-Ok confirming the operation.
The weight displayed resets and the display shows CAL alternated ▼ ▼
by 0. It is possible to repeat this operation more times.

With unload scale


CAL

2-oh
CALIBRATION OF FULL SCALE

35
◆ ▼
Prior F.S. calibration load the sample weight on the system and wait
for the stabilization; the display shows a weight value.

Press the s key to adjust the weight. The display shows 00000 with
CAL
the first digit flashing.
Use the s or t keys, enter the weight value starting with the first ◆
digit flashing. Switch to the next digit by pressing u . The confir- 0
mation of the last digit performs the correction of the weight. The Load Weight
CAL

19982

display shows CAL alternated to the weight entered. 00000

If the weight value is higher than the resolution, it is not accepted



and the display shows an error message for a few seconds. ◆

You can always repeat the F.S. calibration.


Enter Value
30000

CAL

30000

EXIT FROM CALIBRATION MENU


The exit from the menu CALIb is done by pressing u key. ◆

The display shows CALIb. To store the new setting and exit the setup
menu, press the s key. ◆

Page 15
PARAM - WEIGHING PARAMETERS
The parameters in this menu allow to adjust the timing of the acquisition and updating of the display
and the manual or automatic zeroing that the transmitter performs.

f1Lt WEIGHT FILTER


CAL1b

PAraN

SEr
▲ ▲ ▲
This parameter adjusts the refresh speed of the display and the
analog output.
Low values of the filter speed up the display refresh.
▼ ▼
◆ High values of the filter slow down the display refresh.
F1Lt

Value Updated Response


0 123 Hz 25 Hz
◆ Select Value ◆ 1 62 Hz 16 Hz
2 50 Hz 8 Hz
▲▼ 3 33 Hz 5 Hz
StAb

4 16 Hz 2.5 Hz
5 12 Hz 1.5 Hz
◆ Select Value ◆ 6 10 Hz 1 Hz
7 8 Hz 0.7 Hz
▲▼ 8 6 Hz 0.4 Hz
Aut-O

9 4 Hz 0.2 Hz
Default: 5
◆ Enter Value ◆
stab WEIGHT STABILITY

▲▼ This parameter defines the divisions number needed to deem the


weight stable.
OtraC

A large number of divisions allows the transmitter to detect quickly


the weight stability, which is needed when executing tare and print
◆ Select Value ◆
commands.

▲▼ Value Change
Oband

0 Always stable weight


1 Stability reached quickly
◆ Enter Value ◆ 2 Stability reached with medium parameters
3 Stability reached accurately
▲▼ 4 Stability reached with the highest accuracy
dELta

Default: 2

◆ Enter Value ◆ aut-O AUTOZERO AT POWER ON


This parameter defines the maximum resettable weight upon power
▲▼ on.
This operation corresponds to a zero calibration of the system and
is executed only if the weight is stable and below the set value.
Value from 0 to the value of the CAPAC parameter.
Default: 0

Page 16
Otrac TRACKING THE ZERO
This function allows a momentary zero calibration compensating the
eventual temperature drift of the weight.
At power off it automatically returns to the previous calibration.
The maximum weight resettable by this parameter is 2% of the range
of the system.
To disable this feature, use the value 0.
Value Change
0 Control OFF
1 0.5 div/sec
2 1 div/sec
3 2 div/sec
4 3 div/sec
Default: 0

Oband ZERO BAND


This parameter defines the number of divisions resettable by pressing
the zero front button or Input 1.
Values: from 0 to 200
Default: 100

dELta WEIGHT DELTA


It defines the minimum number of divisions needed to discriminate
two consecutive weighing in serial transmissions of the weight.
Values: from 0 to 200
Default: 20

Page 17
SER - SETTING THE SERIAL COMMUNICATION PORTS

baudr BAUD RATE COM1


PAraN

SEr

INoUt
▲ ▲ ▲
It defines the RS232 serial port baudrate.
The value must be set to the same value of the PC / PLC or remote
display.
▼ ▼
◆ Selectable Values:
bAudr

2400
4800
◆ Select Value ◆ 9600
19200
▲▼ 38400
CoN1

57600
115200
◆ Select Value ◆ Default: 9600

▲▼ CON1 COM1: It defines the use of the COM1 serial port.


FraNE

None: Serial communication OFF


Contn: Continuous transmission of the weight string. It can be used,
◆ Select Value ◆
for example, to drive a remote display. See details in the relevant
paragraph.
▲▼
Deman: When the Operator presses the front button or through Input
CoN2

2, a string of weight is transmitted. The command is accepted if the


weight is stable. Between two consecutive transmissions the weight
◆ Select Value ◆ must have a variation of at least the parameter “Weight delta”.
Autom: It’s automatically transferred to a string of weight when the
▲▼ weight stabilizes at a value higher than the minimum weight (20 divi-
AdPrF

sions). Between two consecutive transmissions the weight must have


a variation of at least the value set in the parameter “Delta Weight”.
◆ Enter Value ◆ Slave: ASCII protocol. See details in the relevant paragraph.
Modbs: MODBUS RTU (slave) protocol. See details in the relevant
▲▼ paragraph.
NodE

Selectable Values:
None
◆ Select Value ◆
Contn
Deman
▲▼
Autom
dELay

Slave
◆ Enter Value ◆ Modbs
Default: Modbs
▲▼

Page 18
dr
▲▼

CoN1
frANE COM1 DATA FORMAT
◆ Select Value ◆
It defines the data format of the RS232 serial port.
The value must be set to the same value of the PC / PLC or remote ▲▼

FraNE
display.
In the case of MODBUS or SLAVE protocol, selections of the 7-bit data
formats (E-7-1 and O-7-1) are not accepted (error message “nVaLId”). ◆ Select Value ◆
Selectable Values:
N-8-1 ▲▼

CoN2
N-8-2
E-8-1
◆ Select Value ◆
O-8-1
E-7-1
▲▼
0-7-1

AdPrF
Default: N-8-1

CON2 COM2: It defines the use of the PROFIBUS. ◆ Enter Value ◆

None: PROFIBUS communication OFF


▲▼
ProFb: Enable PROFIBUS Fieldbus

NodE
Selectable Values:
None ◆ Select Value ◆
ProFb
Default: ProFb ▲▼

dELay
AdPrF ADDRES PROFIBUS
Setting the PROFIBUS address. The communication speed is auto- ◆ Enter Value ◆
matically configured
Values: from 1 to 126: ▲▼

Default: 000

NodE TRANSMITTED DATA WEIGHT COM1 / COM2


Selecting the value transmitted with continuous, automatic and ma-
nual protocols (see relevant paragraph).
Selectable Values:
Net
Gross
Peak
Default: Gross

dELay DELAYED RESPONSE OF THE SLAVE AND MODBUS RTU COM1


PROTOCOLS
Value in milliseconds, representing the delay of the instrument when
sending the response to the request of the master.
Values: from 0 to 999
Default: 000

Page 19
SERIAL COMMUNICATION PROTOCOLS

CONTINUOUS, AUTOMATIC AND MANUAL TRANSMISSION PROTOCOL


These protocols have been programmed into their programming menu.
The string transmitted is as follows:

STX <state> <weight> ETX <chksum> EOT

Where
STX (start of text) = 0x02h
ETX (end of text) = 0x03h
EOT (end of transmission) = 0x04.
<state> = character encoded as per the following table (bit = 1 if condition TRUE)

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0


Tare Zero Stable Zero
0 0 1 1
entered band weight center

<weight> = field consisting of 8 ASCII characters with the weight value justified on the right. (without
leading zeros, with possible decimal point and negative sign).
The weight value transmitted can be the net weight, the gross weight or the peak value based on the
selection of the transmitted data (MODE parameter) in the setting menu of the serial communication
ports (see relevant paragraph).
Under conditions of overload, the weight field assumes the value: “^^^^^^^^”.
Under conditions of underload (negative weight greater than 99999), the weight field assumes the
value: “_ _ _ _ _ _ _ _”.
In reading error conditions, the weight field assumes the value: “ O-L ”.
<csum> = checksum of the string data. It is calculated by performing the exclusive OR (XOR) of all
characters from STX (or from <ind>) to ETX excluded the latter; the result of the XOR is decomposed
into 2 characters by considering separately the upper 4 bits (first character) and lower 4 bits (second
character); the 2 characters obtained are then ASCII encoded (example: XOR = 5Dh; <csum> = “5Dh”
namely 35h and 44h).
In the case of continuous communication protocol, the given string is transmitted at a frequency of 10
Hz, regardless of the weight filter selected.
In the case of automatic and manual communication protocols, between 2 consecutive weight transmis-
sions, they must undergo a corresponding change to the value set in DELTA parameter, in the setup
menu of weighing parameters (see relevant paragraph).

SLAVE TRANSMISSION PROTOCOL


LIST OF THE CONTROLS AVAILABLE:
• Request of the current gross weight.
• Request of the current net weight.
• Request of the current peak value.
• Auto-tare command.
• Semiautomatic zero command.

Page 20
• Peak value reset command.
The unit connected to the instrument (typically a personal computer) acts as a MASTER and is the only
unit that can start a process of communication.
The process of communication must be made by the transmission of a string by the MASTER, followed
by a reply from the SLAVE concerned.

CONTROLS FORMAT DESCRIPTION:


The double quotes enclose constant characters (observe upper and lower case); the <and> symbols
contain variable numeric fields.
REQUEST OF THE CURRENT GROSS WEIGHT
Master: <Addr> “L” EOT
DAT 200: <Addr> “L” <status> <gross> ETX <chksum> EOT
REQUEST OF THE CURRENT NET WEIGHT
Master: <Addr> “N” EOT
DAT 200: <Addr> “N” <status> <net> ETX <chksum> EOT
REQUEST OF THE CURRENT PEAK VALUE
Master: <Addr> “P” EOT
DAT 200: <Addr> “P” <status> <peak> ETX <chksum> EOT
AUTOTARE COMMAND
Master: <Addr> “A” EOT
DAT 200: <Addr> “A” ACK EOT
SEMI-AUTOMATIC ZERO COMMAND
Master: <Addr> “Z” EOT
DAT 200: <Addr> “Z” ACK EOT
PEAK VALUE RESET COMMAND
Master: <Addr> “X” EOT
DAT 200: <Addr> “X” ACK EOT
In the case of communication error or otherwise unrecognized command from DAT 200, it will respond
with the following string:
DAT 200: <Addr> NAK EOT

FIELDS DESCRIPTION
The double quotes enclose constant characters (observe upper and lower case); the <and> symbols
contain variable numeric fields.
STX (start of text) = 0x02h,
ETX (end of text) = 0x03h,
EOT (end of transmission) = 0x04h,
ACK (acknoledgment) = 0x06h,
NAK (No acknoledgment) = 0x15h.
<Addr> = Serial communication address + 0x80h (i.e., address 2: <Addr> = 0x82h (130 decimal
number)).
<status> = character encoded as per the following table (bit = 1 if condition TRUE)

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Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Tare en- Zero Stable Zero cen-
0 0 1 1
tered band weight ter

<gross>, <net>, <peak> = field consisting of 8 ASCII characters with the weight value justified on the
right (no leading zeros, with possible decimal point and negative sign).
Under conditions of overload, the weight field assumes the value: “^^^^^^^^”.
Under conditions of underload, the weight field assumes the value: “_ _ _ _ _ _ _ _”.
In reading error conditions, the weight field assumes the value: “ O-L ”.

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0


0 0 1 1 0 0 Not used Not used

<csum> = checksum of the string data. It is calculated performing the exclusive OR (XOR) of all cha-
racters from STX (or from <ind>) to ETX excluded the latter; the result of the XOR is decomposed into 2
characters considering separately the upper 4 bits (first character) and lower 4 bits (second character);
the 2 characters obtained are then ASCII encoded (example: XOR = 5Dh; <csum> = “5Dh” namely
35h and 44h).

Page 22
MODBUS RTU PROTOCOL
WARNINGS: The addresses listed in the tables below follow the standard routing specified in the
reference guidelines of the Modicon PI-MBUS-300 Rev.J (www.modbus.org), referred to below is an
excerpt that helps the user to communicate with the instrument.
“All data addresses in Modbus messages are referenced to zero. The first occurrence of a data item is
addressed as item number zero. For example:
The coil known as ‘coil 1’ in a programmable controller is addressed as coil 0000 in the data
address field of a Modbus message.
Coil 127 decimal is addressed as coil 007E hex (126 decimal).
Holding register 40001 is addressed as register 0000 in the data address field of the message. The
function code field already specifies a ‘holding register’ operation. Therefore the ‘4XXXX’ reference
is implicit.”
The values of the registers with address greater than 40100 are permanently stored in memory only
after the data save command (see Command Register table). If this function is not performed by turning
off the instrument, it will return to the value before the change.
If not otherwise specified, the numerical values (such as addresses, codes and data) are expressed as
decimal values.

COMMUNICATION ERRORS HANDLING


In case of MODBUS RTU, the communication strings are controlled by the CRC (Cyclic Redundancy
Check). In the case of a communication error, the slave does not respond with a string. The master must
consider a timeout for the receipt of the response. In case of no answer there is a communication error.

RECEIVED DATA ERROR HANDLING


In the case of string received correctly, but that cannot be executed, the slave responds with an EXCEP-
TION RESPONSE according to the following table.

Code Description
1 ILLEGAL FUNCTION (The function is not valid or not supported)
2 ILLEGAL DATA ADDRESS (The address of the specified data is not available)
3 ILLEGAL DATA VALUE (The received data have invalid value)

SUPPORTED FUNCTIONS
FUN 03 READ HOLDING REGISTER
FUN 06 WRITE SINGLE REGISTER
FUN 16 WRITE MULTIPLE REGISTERS

Page 23
LIST OF THE MODBUS PROTOCOL HOLDING REGISTERS

Address Holding Register R/W Notes


40001 Status Register R Refer to corresponding chart
40002 N. weight decimal figures R
40003 Gross weight (MSB) R 2’s complement signed value.
40004 Gross weight (LSB) R
40005 Net weight (MSB) R 2’s complement signed value.
40006 Net weight (LSB) R
40007 Peak (MSB) R 2’s complement signed value.
40008 Peak (LSB) R
Write before or with the same query of Command
40051 Data Register (MSB) W
Register
40052 Data Register (LSB) W
40053 Command Register W Refer to corresponding chart
40100 Load cells capacity (MSB) R/W
40101 Load cells capacity (LSB) R/W
40102 Load cells sensitivity R/W
40103 Weight division value R/W Refer to corresponding chart
40200 Weight filter factor R/W
40201 Weight stability factor R/W
40202 Auto-zero threshold R/W
40203 Zero-tracking factor R/W
40204 Zero band R/W
40205 Delta weight R/W

REGISTER STATUS CODING TABLE

BIT 15 14 13 12 11 10 9 8
Description - - - - - - - -

BIT 7 6 5 4 3 2 1 0
Wrong Tare Stable Zero
Description - Over-load Under-load Zero band
weight entered weight center

WARNING: bits from 15 to 7 are always 0.

Page 24
COMMAND REGISTER CODING TABLE FOR MODBUS PROTOCOL

Register value COMMAND REGISTER FUNCTION DATA REGISTER FUNCTION


0x0001 Semiautomatic zero -
0x0002 Auto-tare -
0x0003 Peak reset -
0x0010 Calibration of the Zero weight -
0x0011 Calibration of the full scale Sample weight
0x0020 Saving the data in the permanent memory -

Address Data stored in memory with command 0x0020


41001-41002 Load cells capacity
41003 Load cells sensitivity
41004 Weight division value
41101 Weight filter factor
41102 Weight stability factor
41103-41104 Auto-zero SET POINT
41105 Zero tracking factor
41106 Zero band
41107 Weight Delta

CODING DIVISION VALUE TABLE

Register value 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Division value 0.001 0.002 0.005 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 20 50

Page 25
PROFIBUS PROTOCOLS
The data exchange with Fieldbus is done on two separate areas of memory, described in the tables
below.
The “Input Data Area” is 38 bytes (register from 1 to 19) and the “Output Data Area” is 30 bytes
(register from 1 to 15).

INPUT DATA AREA

Register Address Holding Register R/W Note


1 0X0001 Status Register R See relevant table
2 0X0002 Division value R See relevant table
3 0X0003 Gross weight (MSB) R 2’s complement signed value
4 0X0004 Gross weight (LSB) R Signed value
5 0X0005 Net weight (MSB) R 2’s complement signed value
6 0X0006 Net weight (LSB) R Signed value
7 0X0007 Peak (MSB) R 2’s complement signed value
8 0X0008 Peak (LSB) R Signed value
9 0X0009 Monitor Register R
VALUE WRITTEN ONLY IF MODIFIED
10 0X000A Load cell capacity (MSB) R/W
11 0X000B Load cell capacity (LSB) R/W
12 0X000C Load cell Sensitivity R/W
13 0X000D Weight division value R/W See relevant table
14 0X000E Weight filter factor R/W
15 0X000F Weight stability factor R/W
16 0X0010 Auto-zero at power ON R/W
17 0X0011 Zero tracking factor R/W
18 0X0012 Zero band R/W
19 0X0013 Delta Weight R/W

The addresses from 0x0001 to 0x0009 are always written in the input area with a frequency of 25 Hz.
The addresses from 0x000A to 0x0013 are written in the input area at switch on, or if one of these
parameters is modified.

Page 26
OUTPUT DATA AREA

Register Address Holding Register R/W Note


1 0X1001 Data Register (MSB) W Signed value
2 0X1002 Data Register (LSB) W Signed value
3 0X1003 Command Register W See relevant table
WEIGHIN SETUP PARAMETERS
4 0X1004 Load cell capacity (MSB) R/W
5 0X1005 Load cell capacity (LSB) R/W
6 0X1006 Load cell sensitivity R/W
7 0X1007 Weight division value R/W See relevant table
WEIGHING PARAMETERS
8 0X1008 Weight filter factor R/W
9 0X1009 Weight stability factor R/W
10 0X100A Auto-zero at power ON R/W Signed value
11 0X100B Zero tracking factor R/W
12 0X100C Zero band R/W
13 0X100D Weight Delta R/W
MONITOR
14 0X100E Monitor register W
CAUTION:
To program the parameters via FIELDBUS, you must choice to write block of data from the Register 4 to
Register 13, then write the appropriate exadecimal value in Command Register (Register 3).
To store values in permanet memory write command 0X0020 in Command Register.
If the sequence is not observed, the data previously stored in the registers 4-15, will be reset and con-
sequently lost the whole instrument programming.

COMMAND REGISTER CODING TABLE FOR PROFIBUS PROTOCOL

Register value COMMAND REGISTER FUNCTION DATA REGISTER FUNCTION


0x0001 Semiautomatic zero -
0x0002 Auto-tare -
0x0003 Peak reset -
0x0010 Calibration of the Zero weight -
0x0011 Calibration of the full scale Sample weight
0x0020 Saving the data in the permanent memory -
0x0030 Write all parameters in DAT200
0x0031 Write weighing setup parameters in DAT200
0x0032 Write weight parameters in DAT200

The value in the data register must be entered when the command register is programmed.
Example of full scale calibration: The sample weight to be set must be equal to the value that you want
to calibrate, taking into account also the decimals. For instance, if you have 30 kg scales with a 0.02
division value and if you want to perform a 15 kg calibration in sample weight, you need to put 1500
(0x05DC), that correspond to 15.00 kg.

Page 27
TROUBLESHOOTING

PROBLEM POSSIBLE CAUSE SOLUTION


The weight gained is not detectable
The display shows the
because the cell is absent or Check the connections of the cells.
O-L message.
incorrectly connected
The weight gained cannot be shown
The display shows the
because it exceeds the available five
upper hyphen on the
digits or is greater than the capacity
display
of the cells.
The display shows the The weight gained is not
lower underscore on representable because negative,
the display. more than -9999.
The number of
You have not selected the correct Select the correct division value in
decimal places is
division value. the main menu.
wrong.
You have not performed the
The serial Check the connections as described
installation correctly.
communication does in the installation manual.
not work properly. The selection of the operation of the
Select the settings as appropriate.
serial interface is incorrect.
To re-establish the zero, you need to
The function of The gross weight exceeds the action calibrate the weight.
semiautomatic zero limit of semi-automatic zero.
Wait for the stabilization of the
doesn’t work. The weight doesn’t stabilize. weight or adjust the weight filter
parameter.
Check the gross weight.
The semiautomatic The gross weight is negative or
tare function does not exceeds the maximum capacity. Wait for the stabilization of the
work. weight or adjust the weight filter
The weight doesn’t stabilize.
parameter.

Page 28
EU Declaration of conformity (DoC)
We

Pavone Sistemi S.r.l.


Via Tiberio Bianchi, 11/13/15
20863 Concorezzo, MB
declare that the DoC issued under our sole responsibility and belongs to the following product:

Apparatus model/Product: DAT 200


Type: Weighing instrument

The object of the declaration described above used as indicated in the installation manual and use, is
in conformity with the relevant Union harmonisation legislation:

Directive EMC 2014/30/EU Electromagnetic Compatibility

The following harmonized standards and technical specification have been applied:

EN 61000-6-2:2005
EN 61000-6-3:2007 + A1 2011

Directive LVD 2014/35/EU Low Voltage Directive

The following harmonized standards and technical specification have been applied:

EN 61010-1:2011

Signed for end on behalf of:


Concorezzo: 16/01/2017
Di Reda Donato - Manager

Page 29
PAVONE SISTEMI S.R.L.
Via Tiberio Bianchi 11/13/15, 20863 Concorezzo (MB), ITALY
T 0039 039 9162656 F 0039 039 9162675 W en.pavonesistemi.it
Industrial Electronic Weighing Systems since 1963

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