13
HR6S Safety Relay Module
HR6S-AK
Function Mode Selector and Input Device Connection Example
Dial 1
Dial 2
Dial 3
Synchronous monitoring: No
Dynamization: Yes
Signal interlock monitoring: Yes
Synchronous monitoring: 2 s / 4 s (S12 first / S22 first)
Dynamization: Yes
Signal interlock monitoring: Yes
Synchronous monitoring: 0.5 s
Dynamization: Yes
Signal interlock monitoring: No
Emergency stop
switches
Interlock switch
Coded magnetic
switch
(2 NO) (*2)
Interlock switch
(1 NO, 1 NC)
Coded magnetic switch
(1 NO, 1 NC) (*2)
Proximity switch
(1 NO, 1 NC)
DC+ CH+
DC+
CH+
S11
S12
S21
S22
DC+ CH+
DC+ CH+
S11 S12
S21
Safety fence
S22
DC+ CH+
S11
S12
DC+ CH+
S21
S22
DC+ CH+
S11
S12
DC+ CH+
S21
S22
Wiring
PLC
COM
(
0V
)
Input1
Co
m
m
on
ref
ere
nc
e p
ot
ent
ia
l
(
0V
)
Se
mico
nd
uc
to
r p
ulse
out
put
(
DC
24
V
)
K3
K4
M
ESC
S1
S2
K3
K4
EXT
F1
F2
L1(+)
AC/DC
DC
DC+ CH+
DC+ CH+
CH+(-)
DC+(-)
K1
K2
A1
A2
S11 S12
Y1
Y2
S21
S1
S22
Z1
B2
N(-)
13
14
K3
K4
23
24
31
32
Input (*1)
Start
Input
Power
supply
Dial 4
Dial 6
Dial 5
Dial 7
Synchronous monitoring: No
Dynamization: No
Signal interlock monitoring: Yes
Synchronous monitoring: 0.5 s
Dynamization: No
Signal interlock monitoring: Yes
Synchronous monitoring: No
Dynamization: No
Signal interlock monitoring: Yes
Synchronous monitoring: 0.5 s
Dynamization: No
Signal interlock monitoring: Yes
2 PNP
1 PNP + 1 NPN
DC+ CH+
S11
S12
A
A
+
-
+
-
DC+ CH+
S21
S22
PNP
PNP
DC+ CH+
S11 S12
A
A
+ -
+ -
DC- CH-
S21 S22
PNP
NPN
Dial 8
Dial 9
Dial 10
Synchronous monitoring: No
Dynamization: No
Signal interlock monitoring: Yes
Synchronous monitoring: No
Dynamization: No
Signal interlock monitoring: Yes
Synchronous monitoring: 0.5 s
Dynamization: No
Signal interlock monitoring: Yes
Pressure-sensitive switch
2 OSSD
DC+
CH+
DC-
CH-
S11
S12
S21
S22
DC+ CH+
DC+ CH+
S11
S12
OSSD
0 V
ESPE
24 V
OSSD
S21
S22
*2: Connection examples for coded magnetic switches such as HS7A (IDEC) are also included on the instruction sheet, but certifications are not available.
Designation
Explanation
EXT
Connector for optional
expansion module
S1
Emergency stop switch
S2
Start switch
K3, K4
Contactor
PLC
Programmable controller
F1, F2
Fuse
*1:
The application function sets the negative
safe-related input according to the input
device.