Use G9SB-301-B for auto reset with three N.O. and one N.C. contacts.
OUT
PLC
KM1
KM2
IN1
IN2
KM3
A1
14
24
34
42
41
33
23
13
T32
T31
T11
A2
G9SB-301-D
KM1
KM2
T12
K1
K1
K2
K1
S2
Auxiliary output
(Yellow)
External device
monitoring input (Red)
Interlock select input (White)
Reset input (Yellow)
Not used (Red)
S1
S4
Shield
Shield
a
K2
Control
Circuit
a
T21
T22
K2
K2
K1
TH
SA
+24 VDC
0 V
*1
*1
*1
*1
M
*2
11
12
21
22
S3
KM1
KM2
Feedback loop
- F3SJ-B settings
- Auto reset mode
- Does not use external device monitoring function
- G9SB-301-D settings
- Manual reset mode
- Using feedback loop
- Using emergency stop switch
Communication
line (+) (Gray)
Communication
line (-) (Pink)
Receiver
Emitter
0 V (Blue)
Test input (Black)
+24 V (Brown)
+24 V (Brown)
Safety output 1
(Black)
Safety output 2
(White)
0 V (Blue)
KM1,KM2 N.C. contact
PLC input 1 *
Unblocked
Blocked
External test switch
(S1)
Interlock reset switch
(S2)
Safety output
K1,K2 N.O. contact
KM1,KM2 N.O. contact
K1,K2 N.C. contact
PLC input 2
PLC output
Emergency stop switch
(S3)
* Auxiliary output gives inverted signal of
safety output.
*1 The G9SB-200-D (17.5 mm thick), with no 33-34 and 41-42, is also available.
*2 If an emergency stop switch is not used, connect safety output 1 to T12
terminal and safety output 2 to T22 directly.
S1 : External test switch (connect to 0V if a switch is not required)
S2 : Interlock reset switch
S3 : Emergency stop switch (force-opening contact)
(A165E, A22E)
S4 : Lockout reset switch (connect to 24V if a switch is not required)
KM1,KM2 : Safety relay with force-guided contact (G7SA)
or magnetic contactor
KM3 : Solid state contactor (G3J)
M : 3-phase motor
PLC : Programmable controller
(Used for monitoring -- not related to safety system)
F39-JDA-L
F39-JDA-D
Power
supply
+24 V