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2 Components, Installation and Wiring
2-8
CJ-series High-speed Counter Units Operation Manual for NJ-series CPU Unit(W492)
2-3 Wiring
The 40-pin connector (CN1) on the front of the Unit is divided in Row A and Row B, each row containing
20-pins as indicated on front of the Unit. The Digital Outputs, Digital Inputs and the Counter Inputs of
the Unit are logically grouped together and allocated to the pins of connector 1. The following table lists
the allocation of the external signals to the respective pins.
z
Power Supply
External power has to be applied to the Power Supply pins in order to feed the Digital Outputs.
Depending on what your application requires you can apply an external voltage between 12 to 24
VDC. In case the Digital Outputs are not used in your application, no external power has to be sup-
plied.
2-3-1 Connector Pin-layout
Item
Connector 1 (CN1)
Pin
No.
Row B Row A
Counter 2
Z
CH2: 24 V CH2: 12 V 20
CH2: LD+ CH2: LD-/0 V 19
B
CH2: 24 V CH2: 12 V 18
CH2: LD+ CH2: LD-/0 V 17
A
CH2: 24 V CH2: 12 V 16
CH2: LD+ CH2: LD-/0 V 15
Spare 14
Counter 1
Z
CH1: 24 V CH1: 5 V 13
CH1: LD+ CH1: LD-/0 V 12
B
CH1: 24 V CH1: 5 V 11
CH1: LD+ CH1: LD-/0 V 10
A
CH1: 24 V CH1: 5 V 9
CH1: LD+ CH1: LD-/0 V 8
Spare 7
Digital Inputs
[0-1]
I1: 24 V I1: 0 V 6
I0: 24 V I0: 0 V 5
Spare 4
Digital Outputs
[0-1] (NPN/PNP)
O1: PNP O1: NPN 3
O0: PNP O0: NPN 2
Power Supply (to feed the outputs) +PS:12 to 24 V -PS: 0 V 1