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7. Remote I/O Unit Connection (FCUA-DX1**)
7.4 Outline of Digital Signal Input Circuit
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7.4 Outline of Digital Signal Input Circuit
The input circuit can be selected from sink type or source type in card units.
Input circuit
2.2k
Control
circuit
2.2k
2.2k
2.2k
2.2k
COM
0V
+24VDC
(Machine side)
A3,B3
0V
0V
0V
0V
Sink type
DI-R/DI-L
2.2k
2.2k
2.2k
2.2k
2.2k
COM
0V
(Machine side)
A3,B3
Source type
DI-R/DI-L
Control
circuit
+24VDC
+24VDC
+24VDC
+24VDC
+24VDC