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CHAPTER 6
CONNECTION OF REMOTE I/O UNIT
6.4 Outline of Digital Signal Input Circuit
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6.4 Outline of Digital Signal Input Circuit
The input circuit can be selected from sink type or source type in card units.
Input circuit
COM
A3, B3
0V
0V
0V
0V
0V
2.2k
2.2k
2.2k
2.2k
2.2k
DI-L/DI-R
Sink type
Control
circuit
(Machine side)
+24VDC
Source type
Control
circuit
(Machine side)
+24VDC
+24VDC
+24VDC
+24VDC
+24VDC
COM
A3, B3
0V
2.2k
2.2k
2.2k
2.2k
2.2k
DI-L/DI-R