SMC Networks EX500-GEN1 Sensor wiring, Correspondence between input number and input block

Wiring

Branch wiring

For wiring method, refer to subsection "Wiring" ( page 15 ) of section "EX500" in this manual. To input devices such as sensor, the power is supplied through the branch wiring ( branch cable with M12 connector ). Therefore, there is no need to supply the power to them individually.

Sensor wiring	Sensor connector "1"
Connect sensors to the sensor	Sensor connector "0"
connectors of input block.

Pin layout of sensor connector

M8 connector ( 3-pin socket )			M12 connector ( 4-pin socket )
Power supply			Power supply
( 24VDC )	1		( 24VDC )	1	2
Power supply ( 0V )			( Input ) ( Note )
Input	4	3	Power supply ( 0V )	4	3
			Input

Note : Internal wiring of M12 input block and key position for mounting sensor connector

Correspondence between input number and input block

Input block up to 8 can be connected ( 16 points ).

Input numbers are 0 to 15 from Input unit side.

Input unit 0	2	4	6	8	10	12		14
0	0	0	0	0		0	0	0
1	1	1	1	1		1	1	1
1	3	5	7	9	11	13		15

Display

Power LED

Indicator LED

No. 2 pins of M12 input block connectors are wired to each other’s sensor signal input pins ( No. 4 pins ) internally.

This wiring enables direct input of signals from two points combined into one cable through concentric connector etc.

When connecting sensors, confirm the specification of output signal carefully. Otherwise malfunction can result.

The key position for mounting sensor connector is as shown to the right. Consider this key position when selecting sensor.

Input "0" ( n ) side		Input "1" ( n+1 ) side
4			2
0		key	1
3	1	1	3
2	key		4
Input "1" ( n+1 )
Input "0" ( n )

M12 Block

Display	Description
Power LED	Lights on : Power for input and controlling GW is supplied.
	Blinks : Under short circuit protection ( abnormal status ).
	As the short circuit protective function is operating, the power
	is not supplied.
	To cancel blinking, turn off and return the power to GW unit.
	Lights off : Power for input and controlling GW is not supplied.

NOTE

Mount a waterproof cap on each unused connector of Input unit. The proper use of waterproof cap can achieve IP65 Enclosure. The waterproof caps are delivered together with each input block as accessories.

( Tightening torque : 0.05Nm for M8 and 0.1Nm for M12 )

Indicator	Lights on : Sensor signal input ON ( logical "1" )
LED	Lights off : Sensor signal input OFF ( logical "0" )

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