CVM1-PA208 Omron, CVM1-PA208 Datasheet - Page 73
![no-image](/images/manufacturer_photos/0/4/494/omron_sml.jpg)
CVM1-PA208
Manufacturer Part Number
CVM1-PA208
Description
CV/CVM1 POWER SUPPLY, AC
Manufacturer
Omron
Datasheet
1.C500-OD501CN.pdf
(216 pages)
Specifications of CVM1-PA208
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
- Current page: 73 of 216
- Download datasheet (2Mb)
3-6
3-6-1 Emergency Stop Circuit
3-6-2 Wiring Backplanes to Power Supply Units
Power Supply Unit Wiring
Power Supply Unit Wiring
Be sure to wire power lines, control lines, PC cables, and DC I/O cables sepa-
rately. Supply power separately when using a second power supply in a duplex
system. Use an output terminal (built into Power Supply Unit) for an external
relay to form an emergency stop circuit that will turn OFF the system when the
PC operation stops, to prevent a malfunction in the PC from affecting the whole
system.
The Backplanes of CVM1D CPU Racks, Expansion CPU Racks, and Expansion
I/O Racks can be used in a duplex system, and 5-VDC power can be supplied
simultaneously to the Units mounted to these Racks from two Power Supply
Units. If one of the Power Supply Units malfunctions in a duplex system, power
will automatically be supplied to the Units mounted on the Rack from the other
Power Supply Unit.
Wire the two Power Supply Units separately, so that the system can continue to
operate if there is a power failure in one of the Power Supply Units.
• Wire the power supply for the CPU Rack, the Expansion CPU Rack, and the
• Supply two separate power supplies to the two Power Supply Units for the
• Supply separate power supplies to the two Power Supply Units for each Ex-
200 VAC
Expansion I/O Rack separately (indicated by Aj and Bj in the following dia-
grams).
CPU Rack and Expansion CPU Rack (A1 and A2).
pansion I/O Rack (B1 and B2).
MCCB1
MCCB2
CP
CP
Isolation transformer
Isolation
transformer
Tr
Tr
Ry
PC RUN output
Control circuit
DC voltage
regulator
Power
Ry
Section
DC input/output
+
-
3-6
57
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