8. Connections of I/O Interface
8.5 Connecting with Expansion I/O Card QY231
137
(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
Source type
(Machine side)
(Machine side)
24VDC 24VDC
0V(RG)
0V(RG)
0V(RG)
QY231
QY231
2.2k
Ω
2.2k
Ω
2.2k
Ω
2.2k
Ω
CMD81/82
CMD81/82
COM
COM
Control
circuit
Control
circuit
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.