Mitsubishi Electric MELSEC Q Series User Manual page 27

3
SPECIFICATIONS
External connection diagram
24VDC
(UNIT)
24VDC
(safety)
Start-up
switch
MC0 MC1
Safety
limit switch Safety door
Open
MC0
MC1
Safety relay
M
Motor
3
- 5 3.2 Q Series Safety Relay Module Specifications
3.2.2 QS90SR2SN-Q Q series safety relay module
Table 3.3 Performance specifications of QS90SR2SN-Q (2/2)
TH
Fuse
0.9A
5A
+24V
(UNIT)
DC/DC
24G
(UNIT)
FG
EA
Q bus
Monitor
EB
I/F
circuit
circuit
EG
SLD
EP
TH
Fuse
0.9A
5A
+24V
(SAFETY)
24G
(SAFETY)
XS0
XS1
COM0
Internal
safety circuit
X0
COM1
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.
Connector
Module power
supply part
Extension
communication
part
Safety input
part
24VDC
Safety output
part
GND
Pin
Signal name
number
1
+24V (UNIT)
2
3
24G (UNIT)
4
5 FG
1 EA
2 EB
3 EG
4 SLD
5 EP
1 +24V (SAFETY)
2 24G (SAFETY)
3 XS0
4 XS1
5 COM0
6 X0
7 COM1
8 X1
1 Z00
2 Z01
3 Z10
4 Z11
5 Z20
6 Z21