B&R 2005 Modules • Power Supply Modules • General Information
3. Power Supply Modules
3.1 General Information
Power supply modules create the voltages required internally by the PLC from the input voltage
(24 VDC, 120 VAC or 230 VAC). Each main and expansion unit requires its own power supply
module. The power supply module always has to be operated in the far left slot of the backplane.
All power supply modules require two slots.
3.1.1 Overview
Power Supply Input Voltage Output Power Interface for System Expansions
PS465 Max. 60 W Expansion Slot
24 VDC
PS477 Max. 58.5 W Expansion Slave
PS692 Max. 48.5 W Expansion Slave
120 VAC
B&R 2005 Modules
PS694 Max. 50 W Expansion Slot
PS792 Max. 48.5 W Expansion Slave
Chapter 3
230 VAC
PS794 Max. 50 W Expansion Slot
Table 28: Power supply module overview
3.1.2 Slots
The power supply must always be located on the far left slot.
When configuring a system, make sure that the power consumption of all modules installed is
not larger than the output power of the power supply module. If a power supply cannot provide
the power required by the modules, install the I/O modules on an expansion backplane.
3.1.3 Current Limitation
Power supply modules are equipped with an internal current limit (short circuit protection) and
have connections for an external buffer voltage (AC240 battery module). The current limitation
is also activated if the modules require more power than the power supply can deliver. This
causes a reset on the CPU before the current is too low.
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B&R 2005 Modules • Power Supply Modules • General Information
3.1.4 10 Pin Terminal Block
Connection PS465, PS477 PS692, PS694
10 External buffer +1) External buffer +1)
1) 1)
9 External buffer - External buffer -
8 --- ---
7 Reserved
6 2)
5 2) +24V
4 --- Phase L: 120 VAC
3 --- Neutral N: 120 VAC
2 GND ---
1 Ground Protective Ground Conductor
Connection PS792, PS794
10 External buffer +1)
9 External buffer - 1)
8 ---
7 Reserved
6
5 2)
4 Phase L: 230 VAC
3 Neutral N: 230 VAC
2 ---
1 Protective Ground Conductor
Table 29: Power supply modules 10 pin terminal blocks
1) With PS477, PS692 and PS792 power supply modules, these connections are only valid when used in a main rack.
2) Contacts for the READY relay when the PLC is not under power.
L: Phase
N: Neutral
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B&R 2005 Modules • Power Supply Modules • General Information
3.1.5 READY Relay
If a reset occurs, the ready relay reacts to a loss in current by stopping the entire PLC through
the programming system. It can be set or reset by the operating system. Errors that cause the
relay to open are defined in the operating system.
It is also possible using software to define other errors that should cause a drop in the ready
relay. The ready relay is coupled with the status LED "RUN" on the CPU.
The READY relay is controlled by the CPU, therefore the pin assignments listed
for the power supplies PS477, PS692 and PS792 are only valid for use in a main
backplane.
Wiring the ready relay is carried out using the 10 pin terminal block. The ready relay contact can
be integrated in the emergency stop circuit:
B&R 2005 Modules
Chapter 3
Figure 48: Power Supply READY Relay
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B&R 2005 Modules • Power Supply Modules • General Information
3.1.6 LED Displays
Power supply modules have LED displays which indicate specific operational states:
LED Name Function
DC1 Control LED for 5 V voltage supply.
DC2 Control LED for 24 V voltage supply.
DC3 Control LED for 11 V voltage supply.
If one of the DCn LEDs is not lit, it means the internal voltage is not within the valid range.
This can be caused by an overload or the input voltage has slipped under the required minimum range.
DC 24V The connected 24 VDC input voltage is OK.
AC The connected AC input voltage is OK.
Table 30: Power supply modules operational states
The following table contains an overview of the LEDs the power supply modules are equipped
with.
LED Name PS465 PS477 PS692 PS694 PS792 PS794
DC1 • • • • • •
DC2 • • • • • •
DC3 • •
DC 24V • •
AC • • • •
Table 31: Power supply modules LED overview
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B&R 2005 Modules • Power Supply Modules • General Information
3.1.7 Fuses
The power supply is equipped with a fuse which protects it from reverse polarity and overload.
The compartment for the fuse is located behind the module door.
Module Glass Tube Fuse 5 * 20 mm
PS4xx 6.3 A time lag / 250 V
PS6xx 1.6 A time lag / 250 V
PS7xx 1.6 A time lag / 250 V
B&R 2005 Modules
Table 32: Fuses for the power supply modules
Chapter 3
Before changing the fuse, the power supply must be disconnected.
Procedure when Changing a Fuse
1) Disconnect the power supply.
2) Touch the mounting rail or ground connection (not the power supply!) in order to discharge
any electrostatic charge from your body.
3) Open the module door.
4) Loosen fuse holder by turning with a screwdriver in the direction shown by the arrow
5) Remove the fuse holder.
6) Remove the old fuse from the fuse holder.
7) Place the new fuse in the fuse holder.
8) Replace fuse holder in the power supply module.
9) Tighten fuse holder by turning with a screwdriver in the opposite direction as shown by the
arrow
10) Close the module door.
11) Connect the lines to the power supply.
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3.1.8 Expansion Slot
Power supply modules PS465, PS694, PS754 and PS794 have an expansion slot. The XP152
CPU e.g. can be placed in this expansion slot.
3.1.9 Expansion Slave (local expansion)
An expansion slave is integrated into PS477, PS692 and PS792 power supply modules which
allows another I/O bus segment to be started (see Chapter 2 "Installation", Section 2 "System
Configuration and Power Supply", on page 50).
Interfaces for bus expansion are located behind the module door:
• Interface 1 (expansion slave IN) is connected with the EX350 I/O master controller or with
interface 2 of a PS477, PS692 or PS792 power supply module.
• Interface 2 (expansion slave OUT) is connected with interface 1 of another PS477,
PS692 or PS792 power supply module.
Figure 49: Power supply module interfaces for expansion slaves
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B&R 2005 Modules • Power Supply Modules • General Information
3.1.10 Remote Slave (remote expansion)
The remote slave EX250 can be inserted in the expansion slot on power supply modules PS465,
PS694 and PS794. The remote slave can be connected to the remote master bus cable on 2005
or 2010 systems.
With remote expansion (remote I/O), the expansion unit (remote slave) can be up to 1200 m
away from the main unit (remote master). With a repeater, the network can be extended even
further. Without a repeater, a maximum of 31 remote slaves can be connected to a remote
master.
B&R 2005 Modules
Chapter 3
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B&R 2005 Modules • Power Supply Modules • PS465 / PS477
3.2 PS465 / PS477
3.2.1 Order Data
Model Number Short Description Image
Power Supply Modules
3PS465.9 2005 power supply module, 24 VDC, 50 W, with expansion
slot
3PS477.9 2005 power supply module, 24 VDC, 50 W, with expansion
slave
Accessories
0G0010.00-090 Cable I/O bus expansion, 1 m, bus expansion for
B&R 2005 / B&R 2010
0G0012.00-090 Cable I/O bus expansion, 2 m, bus expansion for
B&R 2005 / B&R 2010
Table 33: PS465 / PS477 order data
3.2.2 Technical Data
Product ID PS465 PS477
C-UL-US Listed Yes
Input Voltage
Minimum 18 VDC
Nominal 24 VDC
Maximum 30 VDC
External Backup Capacitor
For Single Phase Bridge 10000 µF
For Three Phase Bridge 6000 µF
Output Power
5V Max. 40 W Max. 40 W
24 V Max. 50 W Max. 50 W
Total Max. 60 W Max. 58.5 W
Current Requirements Max. 3.5 A
Input Capacitance 500 µF
Table 34: PS465 / PS477 technical data
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B&R 2005 Modules • Power Supply Modules • PS465 / PS477
Product ID PS465 PS477
Fuse 6.3 A time lag / 250 V
Expansion Slave No Yes
Expansion Slot Yes No
External RAM Buffering by Supplying 12 V (min. 8 V / max. 30 V)
Contact for READY Relay
Design Normally open
Switching Voltage Max. 30 VDC
Switching Current Max. 3 A
Protection 370 V transient voltage protection diode to ground
Dimensions B&R 2005 double width
Table 34: PS465 / PS477 technical data (cont.)
B&R 2005 Modules
Chapter 3
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B&R 2005 Modules • Power Supply Modules • PS692 / PS694
3.3 PS692 / PS694
3.3.1 Order Data
Model Number Short Description Image
Power Supply Modules
3PS692.9 2005 power supply module, 120 VAC, 45 W, with
expansion slave
3PS694.9 2005 power supply module, 120 VAC, 45 W, with
expansion slot
Accessories
0G0010.00-090 Cable I/O bus expansion, 1 m, bus expansion for
B&R 2005 / B&R 2010
0G0012.00-090 Cable I/O bus expansion, 2 m, bus expansion for
B&R 2005 / B&R 2010
Table 35: PS692 / PS694 order data
3.3.2 Technical Data
Product ID PS692 PS694
C-UL-US Listed Yes
Input Voltage
Minimum 92 VAC
Nominal 120 VAC
Maximum 133 VAC
Input Voltage Frequency 47 to 63 Hz
Overvoltage
Peak Value < 500 V
Half-peak Duration <10 ms (non-periodic)
Output Power
5V Max. 26 W Max. 26 W
24 V Max. 48 W Max. 48 W
Total Max. 48.5 W Max. 50 W
Current Requirements Max. 0.8 A
Table 36: PS692 / PS694 technical data
98 B&R SYSTEM 2005 User’s Manual
B&R 2005 Modules • Power Supply Modules • PS692 / PS694
Product ID PS692 PS694
Fuse 1.6 A time lag / 250 V
Expansion Slave Yes No
Expansion Slot No Yes
External RAM Buffering by Supplying 12 V (min. 8 V / max. 30 V)
Contact for READY Relay
Design Normally open
Switching Voltage Max. 270 VAC / 30 VDC
Switching Current Max. 3 A
Protection 780 V VDR internal
Dimensions B&R 2005 double width
Table 36: PS692 / PS694 technical data (cont.)
B&R 2005 Modules
Chapter 3
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B&R 2005 Modules • Power Supply Modules • PS792 / PS794
3.4 PS792 / PS794
3.4.1 Order Data
Model Number Short Description Image
Power Supply Modules
3PS792.9 2005 power supply module, 230 VAC, 45 W,
with expansion slave
3PS794.9 2005 power supply module, 230 VAC, 45 W,
with expansion slot
Accessories
0G0010.00-090 Cable I/O bus expansion, 1 m, bus expansion for
B&R 2005 / B&R 2010
0G0012.00-090 Cable I/O bus expansion, 2 m, bus expansion for
B&R 2005 / B&R 2010
Table 37: PS792 / PS794 order data
3.4.2 Technical Data
Product ID PS792 PS794
C-UL-US Listed Yes
Input Voltage
Minimum 187 VAC
Nominal 230 VAC
Maximum 265 VAC
Input Voltage Frequency 47 to 63 Hz
Overvoltage
Peak Value < 500 V
Half-peak Duration <10 ms (non-periodic)
Output Power
5V Max. 26 W Max. 26 W
24 V Max. 48 W Max. 48 W
Total Max. 48.5 W Max. 50 W
Current Requirements Max. 0.4 A
Table 38: PS792 / PS794 technical data
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B&R 2005 Modules • Power Supply Modules • PS792 / PS794
Product ID PS792 PS794
Fuse 1.6 A time lag / 250 V
Expansion Slave Yes No
Expansion Slot No Yes
External RAM Buffering by Supplying 12 V (min. 8 V / max. 30 V)
Contact for READY Relay
Design Normally open
Switching Voltage Max. 270 VAC / 30 VDC
Switching Current Max. 3 A
Protection 780 V VDR internal
Dimensions B&R 2005 double width
Table 38: PS792 / PS794 technical data (cont.)
B&R 2005 Modules
Chapter 3
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