Publication 1734-UM001D-EN-P - April 2008
44 Install POINT I/O Modules
1734-OW4 Modules with Load Powered by External Power Wiring
Diagram
Channel Output Common
Supply
(1)
(1)
Supply voltage can range from +5V dc… 240V ac, depending on relay load.
12/24V dc power for the module is provided by the external power supply.
The power supply voltage may be daisychained from a 1734 adapter, 1734-FPD module,
or 1734-EP24DC power supply communication interface. Each channel is individually
isolated and may have a unique supply or voltage as necessary.
0A 0
0B 2
1A 1
1B 3
2A 4
2B 6
3A 5
3B 7
Out 2A
Out 3A
Out 3B
Out 2B
Out 0A
Out 0B
Out 1A
Out 1B
Load
Power
Supply
Out = Output channel relay contacts
0
2
4
6
3
5
7
1
Power
Supply
Load
Power
Supply
Load
Load
Power
Supply
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