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6 INSTALLATION AND WIRING
6.7 Wiring the I/O Module (Waterproof Module) to the Power Supply
6.7 Wiring the I/O Module (Waterproof Module) to the
Power Supply
For the wiring, connect the power supply to the POWER IN terminal of the power supply connector of the I/O module
(waterproof module).
Transition wiring of the power supply
When installing multiple I/O modules (waterproof module), the power can be supplied to the modules through transition wiring.
For transition wiring, connect cables between the POWER OUT terminal of the module (power supplier) and the POWER IN
terminal of another module (power supply destination).
For transition wiring, check the current consumption of each wired I/O module (waterproof module). For the
current consumption of an I/O module (waterproof module), refer to the following performance specifications.
Page 22 Input module, Page 47 Output module,Page 80 I/O combined module
The largest current flows from the power supply to the power supply connector of the first I/O module (waterproof module).
Make sure that the current does not exceed the following current capacity of the power supply connector.
• Module-and-sensor power supply: 8A per pin
• Load power supply and external power supply for output part: 12A per pin
For a power supply to supply 24VDC, use a power supply (SELV power supply) that does not exceed 30VAC (effective value),
42.4V (peak value), or 60VDC. Also, use a power supply which is applied to "limited-energy circuit" defined in IEC 61010-1.
(1) Power supply
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