Mitsubishi Electric CNC 700 Series Connection Manual page 156

8. Connections of I/O Interface
(3) Machine input terminal (CMD81, CMD82)
The following shows the sink type input circuit corresponding to the machine side sink output, and source
type input circuit corresponding to the machine side source output.
Sink type
(Machine side)
CMD81/82
24VDC
0V(RG)
0V(RG)
COM
CAUTION
Do not apply any voltage to the connector other than that specified in this manual. Failure to
observe this could cause bursting, damage, etc.
QY231
2.2k Ω
△
2.2k Ω
Control
circuit
△
8.5 Connecting with Expansion I/O Card QY231
Source type
(Machine side)
CMD81/82
24VDC
COM
0V(RG)
137
QY231
2.2k Ω
△
2.2k Ω
Control
circuit
△