Service manual
.
Power Supply MS2000
.
version 1.5
9/30/2014
RACOM s.r.o. • Mirova 1283 • 592 31 Nove Mesto na Morave • Czech Republic
Tel.: +420 565 659 511 • Fax: +420 565 659 512 • E-mail: racom@racom.eu
www.racom.eu
Table of Contents
Intelligent Power Supply MS2000 ....................................................................................................... 5
1. MS2000 connection to 230 V mains and linking with other devices ............................................... 6
2. Function Description, Meaning of Signal LEDs ............................................................................... 7
2.1. General Description, Block Diagram .................................................................................... 7
2.2. Charging and Back-up .......................................................................................................... 7
2.3. Signalizing of States ............................................................................................................. 8
3. Basic Technical Parameters ............................................................................................................ 9
3.1. Parameters for MS2000, version without ventilator .............................................................. 9
3.2. Parameters for MS2000, version equipped by ventilator ................................................... 10
3.3. Allowed output current in dependence on the surrounding temperature ........................... 11
4. MS2000 Installation instructions ................................................................................................... 12
5. Electric Characteristics .................................................................................................................. 13
6. Parameters of Recommended Batteries ....................................................................................... 15
7. Charging process .......................................................................................................................... 17
8. Mechanical parameters ................................................................................................................. 19
9. Conditions for MS2000 Operation ................................................................................................. 20
9.1. Important Warning .............................................................................................................. 20
9.2. Conditions of Liability for Defects and Instructions for Safe Operation of Equipment. ....... 20
10. Declaration of conformity ............................................................................................................. 21
11. Country of Origin ......................................................................................................................... 22
List of Figures
5.1. Voltage ripple in output at rated current output .......................................................................... 13
5.2. Smooth rise in output voltage when supply starts (without battery) ........................................... 13
5.3. Voltage characteristic at the output of the MS2000 supply when changing over to back-up
(battery 12 V / 12 Ah, I = 2 A) ............................................................................................................ 14
5.4. Voltage characteristic at the output of the MS2000 supply when changing over from back-up
to feeding from mains 230 V (battery 12 V / 12 Ah, I = 2 A) .............................................................. 14
6.1. Influence of temperature on trickle life ....................................................................................... 15
6.2. Influence of self-discharging to remain battery capacity ............................................................ 15
6.3. Trickle (Float) life characteristic (LC-T, LC-R and LC-L) ............................................................ 16
6.4. Influence of battery voltage on temperature ............................................................................... 16
7.1. Typical characteristic of recharging cycle for MS2000/12-P ...................................................... 17
7.2. Typical characteristic of recharging cycle for MS2000/24-P ...................................................... 18
10.1. Declaration of conformity .......................................................................................................... 21
11.1. Country of Origin declaration for MS2000 ................................................................................ 22
© RACOM s.r.o. – Power Supply MS2000
3
4
Intelligent Power Supply MS2000
Intelligent Power Supply MS2000
MS2000 is a mains switching power supply (single-acting blocking converter) SELV with back-up. It is
used for supplying devices in the industrial environment. The supply is designed for industrial use and
installation into switchboards. There are control LEDs and terminal blocks for connection of the mains
voltage, battery, terminal for signalizing and terminals for the temperature sensor on the front panel.
The design and construction of this device allows for long-term loading and for this reason it is
primarily determined for continuously running applications.
If necessary, the source can be produced in a version MS2000/12-P with output voltage 13.8 V DC /
5 A for MORSE components supply and MS2000/24-P with output voltage 24 V / 3.5 A for 24 V supplying.
The buil-in ventilator is switched on/off according to the power supply temperature. The version without
ventilator provides reduced output current at higher surrounding temperature, see the table and diagram.
© RACOM s.r.o. – Power Supply MS2000
5
MS2000 connection to 230 V mains and linking with other devices
1. MS2000 connection to 230 V mains and linking with other
devices
There are removable screw connectors for connection to 230 V mains. Cable NKR9 for MR25 is used
for linking between the radio modem and the MS2000 and connection with the battery is done with
cable NKR4 for MS2000. The cable is protected by a cable fuse F6.3A.
The wire connecting is apparent from the following diagram:
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Connection of the terminals 1, 2, 5 and 6, see Section 2.3, “Signalizing of States”.
6
Power Supply MS2000 – © RACOM s.r.o.
Function Description, Meaning of Signal LEDs
2. Function Description, Meaning of Signal LEDs
2.1. General Description, Block Diagram
The power supply is a single-acting blocking converter (SELV) with two levels of output voltage. The
lower level is for connecting supplied devices and the higher level is used for charging the back-up
accumulator. The supply is protected on the input against shorting by safety fuse T4A. There is varistor
protection against over-voltage on the primary side. The supply is short-circuit proof when powered by
mains or from the accumulator. The supply is also resistant to over-voltage on the secondary side.
2.2. Charging and Back-up
There is integrated management of charging and back-up in the MS2000, which is all independently
controlled by a microprocessor. Microprocessor control allows charging of the battery to full capacity
in least time with high efficiency (switch regulator on the secondary side) and maintains it in an optimal
mode. Charging works in reference to ambient temperature (a sensor is located on battery terminals).
Due to this the battery is protected against overload at higher temperatures. The voltage temperature
coefficient on the lead-acid battery is generally 10 mV / °C. MS2000 is produced for using with leadacid batteries 12 V / 12 Ah (24 V / 12 Ah), but by using the jumper on the front panel it is possible to
change the maximum charging current even for another capacity for battery: 2–6 Ah (jumper left) or
6–12 Ah (jumper right). Another type of battery than lead-acid can be used but firmware should be
adapted by the manufacturer.
AC230 V/
0,7 A
Overvoltage
Protection
L
Charger
AC
Transformer
Buck Convertor
Power Switch
EMI
Output Rectifier
EMI
EMI
HEXFET
SWITCH
DC
N
PE
Iout, Uout
MainPWR
OFF
PWM
Control
Off/On ACCU
Iaccu, Uaccu
D
G
S
Batery
Low
CPU
D
G
Temp.
sensor
S
MainPWR OFF Batt. Low
Monitor
+U
-ACCU
+ACCU
PWR OUT
DC
ACCU
The microprocessor controls connecting of the battery when there is a mains failure and disconnecting
of the battery when the minimum manufacturer's allowed voltage on the battery is reached (10.8 V or
21.6 V). An electronic switch also protects the supply with an electronic fuse against overload and
surge current when connecting a capacitive load (of the order 6000 μF and larger). The electronic fuse
© RACOM s.r.o. – Power Supply MS2000
7
Function Description, Meaning of Signal LEDs
disconnects the load after a capacitive overload and the MS2000 tries to connect the capacitive load
again by PWM modulation with a smooth rise in voltage.
No current needs to be applied to PWR OUT for battery charge control to function correctly.
Note
For MS2000 power supplies manufactured before 09/2008 a minimum current of 300 mA
needs to be applied to PWR OUT for battery charge control to function correctly.
2.3. Signalizing of States
Information about mains failure MAIN PWR OFF and information about low battery voltage BATTERY
LOW, (e.g. there will be a total voltage failure for a connected device) is linked to the output terminal
– open collector. The current through the output transistors is not limited in any way and therefore it is
important to connect an external resistor in series with the transistor to limit the current to an acceptable
level (the maximum current value is 0.5 A). The following table contains the value of current through
the transistor, I_D, the output voltage when the transistor is switched on, U_DS, and the value of the
external series resistors, R_s, for a 13.8 V and 24 V power supply.
I_D[mA]
U_DS [mV]
20.8
R_s [Ω]
Uvoltage 13.8 V
Uvoltage 24 V
5.5
680
1200
89.1
24.5
150
270
471
137.5
27
56
The wires having the low battery voltage information are connected between the screw connectors
No.1 (BATTERY LOW) and 5 (GND), see the diagram. The information MAIN POWER OFF is given
by wires connected to clamps No. 2 (MAIN PWR OFF) and 6 (GND) and it is evaluated by function
1
(m)isc (b)att using the Setr utility, see the manual MORSE firmware documentation .
LEDs indicate the state of voltage on the power supply output (green LED PWR ON), mains failure
(red LED MAIN PWR OFF), low battery voltage (orange LED BATTERY LOW). The last orange LED
indicates the state of the battery charging cycle. The meaning of each state is shown on the front
panel.
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8
Power Supply MS2000 – © RACOM s.r.o.
Basic Technical Parameters
3. Basic Technical Parameters
3.1. Parameters for MS2000, version without ventilator
Tab. 3.1:
MS2000/12
MS2000/24
Rated supply voltage
230 V AC / 50 Hz, ±10 % 230 V AC / 50 Hz, ±10 %
Rated supply current
0.7 A
0.6 A
Maximum working range of feed voltage
140–275 V
140–275 V
Safety fuse in the primary circuit
T4A
T4A
Rated output voltage
13.6 V (-0.3 V; +0.3 V)
24 V (-0.3 V; +0.3 V)
Rated output current at 20 °C
5A
3.5 A
Rated output current at 55 °C
3A
1.8 A
Output voltage ripple when IOUT = I nom
max. 150 mV
max. 150 mV
MTBF (mean time between failures)
> 100 000 hours
> 100 000 hours
– for accu 2 Ah
0.7 A
0.7 A
– for accu 6 Ah
1.5 A
1.5 A
– for accu 12 Ah
2.5 A
2.0 A
Maximum charging current according to the
internal switch:
The charging current cannot exceed the limit: (rated output current) - (actual current on OUT DC)
Recommended type of battery
Panasonic 12 V / 12 Ah
2× Panasonic 12 V / 12 Ah
Minimum accumulator voltage
10.8 V
21.6 V
Current drain from battery after disconnecting 1.5 mA
1.5 mA
Operating range of temperature
-30 to + 65 °C
-30 to + 65 °C
Relative humidity
10–90 %
10–90 %
Dimensions
104×50×186.5 mm
104×50×186.5 mm
Weight
0.8 kg
0.8 kg
© RACOM s.r.o. – Power Supply MS2000
9
Basic Technical Parameters
3.2. Parameters for MS2000, version equipped by ventilator
Tab. 3.2:
MS2000/12-P
MS2000/24-P
Rated supply voltage
230 V AC / 50 Hz, ±10 % 230 V AC / 50 Hz, ±10 %
Rated supply current
0.7 A
0.6 A
Maximum working range of feed voltage
140–275 V
140–275 V
Safety fuse in the primary circuit
T4A
T4A
Rated output voltage
13.6 V (-0.3 V; +0.3 V)
24 V (-0.3 V; +0.3 V)
Rated output current at 20 °C
5A
3.5 A
Rated output current at 55 °C
5A
3.5 A
Output voltage ripple when IOUT = I nom
max. 150 mV
max. 150 mV
MTBF (mean time between failures)
> 100 000 hours
> 100 000 hours
– for accu 2 Ah
0.7 A
0.7 A
– for accu 6 Ah
1.5 A
1.5 A
– for accu 12 Ah
2.5 A
2.0 A
Maximum charging current cannot exceed the
limit:
The charging current cannot exceed the limit: (rated output current) - (actual current on OUT DC)
Recommended type of battery
Panasonic 12 V / 12 Ah
2× Panasonic 12 V / 12 Ah
Minimum accumulator voltage
10.8 V
21.6 V
Current drain from battery after disconnecting 1.5 mA
1.5 mA
Operating range of temperature
-30 to + 65 °C
-30 to + 65 °C
Relative humidity
10–90 %
10–90 %
Dimensions
104×50×186.5 mm
104×50×186.5 mm
Weight
0.8 kg
0.8 kg
The supply fulfils following standards:
•
safety: CSN EN 60 950
•
EMC: CSN EN 50 081-1, CSN EN 55 022 class B, CSN EN 61 000-6-2
10
Power Supply MS2000 – © RACOM s.r.o.
Basic Technical Parameters
3.3. Allowed output current in dependence on the surrounding temperature
© RACOM s.r.o. – Power Supply MS2000
11
MS2000 Installation instructions
4. MS2000 Installation instructions
•
The device is designed for industrial use for assembly into premises with limited access (electrical
switchboard).
•
Wiring up must be carried out by an individual with knowledge of the regulation No. 50/78 Coll.
•
The supply is designed for assembly into switchboards by attaching either to a mounting plate by
means of M3 screws or on to a DIN rail. The mounting plate and DIN rail must be properly grounded
in accordance with valid standards. The source must be located in such a way so as not to prevent
air circulation necessary for cooling purposes.
•
Conductors must be wired into labelled terminals in accordance with valid standards. Terminals are
2
only designed for connecting cooper conductors of max. diameter 2.5 mm and do not serve for
switching devices under voltage.
•
For accumulator connection is recommended using only connection conductors producted by RACOM. This conductors contain temperature sensor and safety fuse F6,3 A. Without the original
connection conductor will not be optimized charging process depending on ambient temperature!
•
The producer does not recommend to change accumulator poles when wiring up.
•
Color cording of low voltage conductors must comply with the requirements of respective standards.
•
The producer recommends to protect the 230 V AC input by circuit breaker of 6 A rated current with
characteristics C.
•
The source must be disconnected from the battery when replacing fuses. Only the same types of
fuses with the same current rating can be used for replacement.
•
When using the device as a source of SELV voltage the extra low voltage side must be electrically
and spatially separated from low voltage conductors.
12
Power Supply MS2000 – © RACOM s.r.o.
Electric Characteristics
5. Electric Characteristics
Fig. 5.1: Voltage ripple in output at rated current output
Fig. 5.2: Smooth rise in output voltage when supply starts (without battery)
© RACOM s.r.o. – Power Supply MS2000
13
Electric Characteristics
Fig. 5.3: Voltage characteristic at the output of the MS2000 supply when changing over to back-up
(battery 12 V / 12 Ah, I = 2 A)
Fig. 5.4: Voltage characteristic at the output of the MS2000 supply when changing over from back-up
to feeding from mains 230 V (battery 12 V / 12 Ah, I = 2 A)
14
Power Supply MS2000 – © RACOM s.r.o.
Parameters of Recommended Batteries
6. Parameters of Recommended Batteries
The supplied battery is PANASONIC 12 V / 12 Ah (type LC-RA). The following characteristics are taken
from Panasonic documentation.
Fig. 6.1: Influence of temperature on trickle life
Fig. 6.2: Influence of self-discharging to remain battery capacity
© RACOM s.r.o. – Power Supply MS2000
15
Parameters of Recommended Batteries
Fig. 6.3: Trickle (Float) life characteristic (LC-T, LC-R and LC-L)
Fig. 6.4: Influence of battery voltage on temperature
16
Power Supply MS2000 – © RACOM s.r.o.
Charging process
7. Charging process
Fig. 7.1: Typical characteristic of recharging cycle for MS2000/12-P
© RACOM s.r.o. – Power Supply MS2000
17
Charging process
Battery 24 V / 12 Ah PANASONIC
characteristic at 20 °C
2.00 A
Battery current I BAT
0.25 A
0.10 A
29.4 V
Battery voltage UBAT
27.4 V
21.6 V
8.0 V
T0
T1
T2
T3
T
T4
Fig. 7.2: Typical characteristic of recharging cycle for MS2000/24-P
•
In the interval T0–T1 until the voltage 10.8 V (21.6 V for 24 V) is reached the battery is charged by
little current to prevent any battery damage at possible failure (shortcut at any battery cell).
•
In the interval T1–T3 until the voltage 14.7 V (29.4 V) is reached the battery is charged by constant
current 2.5 A (2.0 A).
•
In the intervalT3–T4 until the charging current drops under 0.25 A is charged by constant voltage
14.7 V (29.4 V).
•
In the interval over T4 is charged by constant voltage 13.65 V (27.4 V) with the charging current
drops gradually to zero.
•
The maximum charging current for various versions is written in the table Basic Technical Parameters.
For each case this current cannot exceed the limit (Rated output current) - (Actual current on OUT
DC).
18
Power Supply MS2000 – © RACOM s.r.o.
Mechanical parameters
8. Mechanical parameters
© RACOM s.r.o. – Power Supply MS2000
19
Conditions for MS2000 Operation
9. Conditions for MS2000 Operation
9.1. Important Warning
RACOM s. r. o. (hereinafter referred to as RACOM) is the exclusive owner of all rights to this operator
manual. All rights reserved. Any duplication of this manual in any way, shape or form, or translation to
any other language (without the prior written consent of the owner of the rights) is strictly forbidden.
RACOM retains the right to make changes to the technical specification or functions of this product or
to terminate production of this product, or to terminate service support of this product without advance
written notice to the customer. RACOM firmware is available free of charge. Source code is the property
of RACOM and is not available to any user. Any commercial use of the software with this licence is
strictly forbidden. Changes to software and documentation are forbidden. RACOM firmware is released
with the intention that it will be useful, however without any specific guarantees.
Under no circumstances is the Racom or any other company or person responsible for incidental, accidental or related damage arising as a result of the use of this product. The manufacturer shall not
provide the user with any form of guarantee containing assurance of the suitability and applicability for
its application. RACOM products are not developed, designed or tested for use in equipment which
directly affects the health and life functions of humans or animals and neither as part of other important
equipment, and RACOM does not provide a guarantee if company products are used in such equipment.
9.2. Conditions of Liability for Defects and Instructions for Safe Operation
of Equipment.
Please read these safety instructions carefully before using the product:
•
Liability for defects does not apply to any product that has been used in a manner which conflicts
with the instructions contained in this operator manual, or if the case in which the equipment is
located has been opened, or if the equipment has been tampered with.
•
Equipment mentioned in this operator manual may only be used in accordance with instructions
contained in this manual. Error-free and safe operation of this equipment is only guaranteed if this
equipment is transported, stored, operated and controlled in the proper manner. The same applies
to equipment maintenance.
•
Only undermentioned manufacturer is entitled to repair any devices.
20
Power Supply MS2000 – © RACOM s.r.o.
Declaration of conformity
10. Declaration of conformity
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© RACOM s.r.o. – Power Supply MS2000
21
Country of Origin
11. Country of Origin
Country of Origin Declaration
Producer:
RACOM s.r.o.
Address:
Mirova 1283, 592 31 Nove Mesto na Morave, Czech Republic
VAT No:
CZ46343423
We, the manufacturer, hereby declare that Country of Origin of the RAy microwave links
and its accessories is the Czech Republic, EU.
Part Number
MS2000/12
MS2000/24
MSU120
DCC24
Description
230 V AC / 13.8 V DC, intelligent back-up
230 V AC / 24 V DC, intelligent back -up
Arbitrary solar panel / 14.7 V DC
20-60 V DC / 13.8 V DC
Nove Mesto na Morave, 1 of March 2014
Jiri Hruska, CEO
RACOM s.r.o. • Mirova 1283 • 592 31 Nove Mesto na Morave • Czech Republic
Tel.: +420 565 659 511 • Fax: +420 565 659 512 • E-mail: racom@racom.eu
www.racom.eu
Fig. 11.1: Country of Origin declaration for MS2000
22
Power Supply MS2000 – © RACOM s.r.o.