SMC Networks EX120-SDN1-X2 Operation Manual page 13

○Power supply wiring (Power supply for solenoid valve)
MSTB2, 5/2-STF-5, 08 connectors manufactured by Phoenix Contact are attached to the SI unit for mounting
on the cable.
The power supply connector for the solenoid valve is wired in the following way.
The connector screws should be tightened securely with a tightening torque of 0.5 to 0.6 Nm.
Power supply connector for solenoid valve
Terminal Wire colour
24 V −
−
0 V
Note
Wiring should be carried out with the power supply turned off.
Within the SI unit there are separate power supplies for the solenoid valves and DeviceNet
communications.
Supply 24 VDC to each of them.
Power can be supplied from a single power supply or from separate power supplies.
∗: Pay attention not to exceed the tolerance range of power supply voltage.
Connection
For solenoid valve +24 V
For solenoid valve 0 V
-12-
TM
No.EX##-OME0015-C