
Operating Instructions
Transponder-Coded Safety Switch CTP/CTA-L1/2-BR
24
(translation of the original operating instructions) 2537376-01-04/21
10.9. Connector assignment of safety switches CTP/CTA-…-BR-…-SH-…
with plug connector M23 (RC18)
Plug connector
(view of connection side)
Pin
Designation
Function
Conductor coloring of
connecting cable
1)
M23 (RC18)
With shield
spring
18
19
15
12
11
9
5
4
3
2
1
17
16
14
13
6
10
8
7
1
IMP
Solenoid operating voltage, 24 V DC
VT
2
FI1A
Enable input, channel A
RD
3
FI1B
Enable input, channel B
GY
4
FO1A
Safety output, channel A
RD/BU
5
FO1B
Safety output, channel B
GN
6
UB
Electronics operating voltage, 24 V DC
BU
7
RST
Reset input
GY/PK
8
OD/C
Door position monitoring output/communication
GN/WH
9
OI
Diagnostic monitoring output
YE/WH
10
OL
Guard lock monitoring output
GY/WH
11
-
n.c.
BK
12
FE
Functional earth
(must be connected to meet the EMC requirements)
GN/YE
13
-
n.c.
PK
14
-
n.c.
BN/GY
15
-
n.c.
BN/YE
16
-
n.c.
BN/GN
17
-
n.c.
WH
18
IMM
Solenoid operating voltage, 0 V DC
YE
19
0VUB
Electronics operating voltage, 0 V DC
BN
1) Only for standard EUCHNER connecting cable.