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6 Specifications of Peripheral Devices
MITSUBISHI CNC
6-7 Relay
The input/output circuit to control the external signal such as external emergency stop input and relay
changeover signal output is wired.
The input/output circuit for each unit is as follows.
For a switch or relay to be wired, use a switch or relay that satisfies the input/output (voltage, current) conditions.
Input condition Output condition
Switch ON
18VDC to 25.2VDC
5mA or more
Output voltage 24VDC ±5%
Tolerable output
current Io
40mA or less
Switch OFF
4VDC or less
1mA or less
Interface name Selection example
For digital input signal (CN9)
Use a minute signal switch which is stably contacted and operated even with
low voltage or current.
<Example> OMRON: G2A, G6B type, MY type, LY type
For digital output signal (CN9)
Use a compact relay operated with rating of 24VDC, 50mA or less.
<Example> OMROM: G6B type, MY type
CN9
DICOM
20
EMGX
5
19
12
2
DI1
DI2
2
DI
24G
3
9
15
13
D0COM
CN9
MBR
MC1
D02
24G
Input circuit
Output circuit
external
emergency stop
circuit
configuration
Example of an external
circuit configuration
RA for a motor brake
RA for starting an
external contactor
proximity
switch
24VDC
24VDC