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3.2 Q Series Safety Relay Module Specifications
3.2.2 QS90SR2SN-Q Q series safety relay module
3
SPECIFICATIONS
* 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.
* 4: Common terminals for X0 and X1 differ. Connect X0 to COM0.
* 5: Common terminals for X0 and X1 differ. Connect X1 to COM1.
Table 3.3 Performance specifications of QS90SR2SN-Q (2/2)
External connection diagram Connector
Pin
number
Signal name
Module power
supply part
1
+24V
2
3
24G
4
5FG
Extension
communication
part
1EA
2EB
3EG
4SLD
5EP
Safety input
part
1 +24V (SAFETY)
2 24G (SAFETY)
3
XS0
*2*3
4
XS1
*2*3
5
COM0
*4
6
X0
*3
7
COM1
*5
8
X1
*3
Safety output
part
1Z00
2Z01
3Z10
4Z11
5Z20
6Z21
Safety relay
Z21
M
Z20
Z11
Z10
Z01
MC0
MC1
Z00
Motor
EP
SLD
EG
EB
EA
COM1
X1
X0
24G
(SAFETY)
+24V
(SAFETY)
24VDC (Module
power supply)
COM0
XS1
XS0
MC0
MC1
Start-up
switch
24G
+24V
FG
K1K0
Internal
safety circuit
24VDC
TH
0.9A
Fuse
5A
TH
0.9A
Fuse
5A
Monitor
circuit
Q bus
I/F
circuit
GND
DC/DC
Safety door
Open
24VDC (Safety
power supply)
Safety
limit switch
OUT
Safety circuit part
extension cable
or
safety part terminating
connector
Connected to an
extension module