Outline Of Digital Signal Input Circuit - Mitsubishi Electric MELDAS C6 Maintenance Manual

6.5 Outline of Digital Signal Input Circuit

The digital signal input circuit can be selected from sink type or source type in card units.
Input circuit
6. CONNECTION OF REMOTE I/O UNIT
6.5 Outline of Digital Signal Input Circuit
(Machine side)
DI-L/DI-R
0V
0V
0V
0V
0V
24VDC(+)
A3,B3 COM
(Machine side)
DI-L/DI-R
24VDC(+)
24VDC(+)
24VDC(+)
24VDC(+)
24VDC(+)
A3,B3 COM
0V
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2.2k Ω
2.2k Ω
2.2k Ω
2.2k Ω
2.2k Ω
Control
circuit
Sink type
2.2k Ω
2.2k Ω
2.2k Ω
2.2k Ω
2.2k Ω
Control
circuit
Source type
I - 59