SMC Networks EX250 and EX9-AC Series Comprehensive Manual

Wiring ( continued )

Connecting one or two power supplies to SI Unit.

Both single power supply and two power supply systems can be adopted, however, the wiring shall be made separately (for solenoid valves/output and for input and control) for either system.

Display/Setting

Settings for display

SI

A. Two power supplies

Brown : 24VDC (for solenoid valves/output)

White : 0V (for solenoid valves/output)

2 1

SOL PWR MS NS

1

24VDC

24VDC

Grey : Earth

Blue : 24VDC (for input and control)

Black : 0V (for input and control)

Cable Part No. : EX500-AP -S

	5
3	4

Power supply

connector

0

SETTINGS

B. Single power supply

	Brown : 24VDC (for solenoid valves/output)
	White : 0V (for solenoid valves/output)
	Grey : Earth
24VDC
	Blue : 24VDC (for input and control)
	Black : 0V (for input and control)
		Cable Part No. : EX500-AP -S

21

5

34

Power supply

connector

Display		Contents
SOL	OFF	The power supply for solenoids is insufficient
	Green light ON	The power supply for solenoids is normal
PWR	OFF	The power supply for input and control is insufficient
	Green light ON	The power supply for input and control is normal
	OFF	The power supply for control is OFF
	Green light ON	Operating normally
MS	Green flashing	Setting error (Device has not been configured)
	Red flashing	Recoverable internal error
	Red light ON	Unrecoverable internal error
	OFF	The power supply for control is OFF or IP address not set
	Green flashing	EtherNet/IP-level communication not established
NS	Green light ON	Multiple EtherNet/IP-level communications established
	Red flashing	Multiple EtherNet/IP-level communications time out
	Red light ON	IP address duplicated

14 15