Mitsubishi Electric CNC 700 Series Connection Manual page 144

8. Connections of I/O Interface
(5) Input/output circuit
(a) Input circuit
The HR361 input circuit is a sink type, and the HR371 input circuit is a source type.
Sink type
(Machine side)
CF30
GND
GND
+24V
No COM pin is available used only for input; it is shared with 24VDC or GND.
CAUTION
Do not apply voltages to the connectors other than voltages indicated in this manual. Failure to
observe this could cause the devices to rupture or damage, etc.
Incorrect connections could cause the devices to damage. Connect the cable to the designated
connector.
Do not connect or disconnect the connection cables between each unit while the power is ON.
HR361
2.2k Ω
2.2k Ω
Control
circuit
8.4 Connecting with Card-sized I/O Card
Source type
(Machine side)
CF30
+24V
GND
125
HR371
2.2k Ω
2.2k Ω
Control
circuit