-13-
No.EX##-OMK0004-A
2. Power supply wiring
Connect the power supply cable to the power supply connector of SI unit.
When selecting the power supply, refer to "Safety Instructions" (page 5) in this manual.
Cable connection
1) Aligning the key groove with the power supply connector (plug) of SI unit, plug the power supply cable
(socket).
2) Tighten the lock nut on the cable side by turning it clockwise by hand.
3) Confirm that the connector does not move.
NOTE
D class grounding (with the ground resistance of 100 ohm or less) should be performed for ground
terminal, and ground at one point.
Pin layout and connection diagram of power supply connector cable (unit: mm)
Model No.: EX500-AP -S (Refer to page 30.)
Pin No.
Cable color: Signal name
1
Brown: 24 VDC +10%/-5% (for solenoid valves/output)
2
White: 0 V (for solenoid valves/output)
3
Blue: 24 VDC
±
10% (for input and control)
4
Black: 0 V (for input and control)
5 Gray:
Ground
