IAI America S-SEL-E - Manual (Page 37)

Page 32
Chapter 1. Setting Up
DC24V Electromagnetic Valve Wiring Precautions (Example)
24V Switching Power
Cable size
0.75° or greater
Super SEL
I/O Unit
Output Relay Circuit Large Voltage Electromagnetic Valve Circuit
Separate
Wiring should be a separate system
In a situation where the I/O unit drives the relay and the relay drives the electromagnetic valve, separate the output relay
circuit and the large voltage electromagnetic valve circuit as shown in the diagram above.