Mitsubishi Electric MELSEC Q Series User Manual page 35

3
SPECIFICATIONS
External connection diagram
Start-up
switch
MC0 MC1
Safety
limit switch Safety door
Open
MC0
MC1
Safety relay
M
Motor
3
- 13 3.4 Extension Safety Relay Module Specifications
3.4.2 QS90SR2SN-EX extension safety relay module
Table 3.7 Performance specifications of QS90SR2SN-EX (2/2)
EA
Monitor
EB
circuit
EG
EP
XS0
XS1
Internal
safety circuit
COM
X0
COM
X1
K0 K1
Z00
Z01
Z10
Z11
Z20
Z21
* 2: When connecting an electromagnetic switch and such for output, connect its normally closed
contacts in series between XS0 and XS1.
* 3: Do not connect equipment other than a switch or sensor to each terminal of X0, X1, XS0, and XS1.
Pin
Connector
number
1
Extension
2
communication
3
part
4
1
Start-up input 2
part 3
4
1
2
Safety input
part 3
4
1
2
Safety output
part 1 3
4
1
Safety output 2
part 2
3
4
Signal name
EA
EB
EG
EP
XS0
XS1
Empty
Empty
COM
X0
COM
X1
Empty
Z00
Z10
Z20
Empty
Z01
Z11
Z21