3 | Installation and assembly
FISCHER Mess- und Regeltechnik GmbH
12/28
BA_EN_ME50_ATEX
Fig. 8:
M12 connector 8-pin
Potential-free contacts
Pin
Signal name
Cable colour
1
Output
+Sig
white
2
Operating voltage
+U
b
brown
3
Switching output 1
K1 (a)
green
4
Switching output 1
K1 (b)
yellow
5
Switching output 2
K2 (b)
grey
6
Switching output 2
K2 (a)
pink
7
Operating voltage
-U
b
blue
8
Functional earth
FE
red
A
Coding A
Table 2:
Power supply, output signal and switching contacts
PNP-switching
Pin
Signal name
Cable colour
1
Output
+Sig
white
2
Operating voltage
+U
b
brown
3
Switching output 1
PNP1
green
4
---
n.c.
yellow
5
Switching output 2
PNP2
grey
6
---
n.c.
pink
7
Operating voltage
-U
b
blue
8
Functional earth
FE
red
A
Coding A
Table 3:
Power supply, output signal and PNP switching contacts
NPN-switching
Pin
Signal name
Cable colour
1
Output
+Sig
white
2
Operating voltage
+U
b
brown
3
Switching output 1
NPN1
green
4
---
n.c.
yellow
5
Switching output 2
NPN2
grey
6
---
n.c.
pink
7
Operating voltage
-U
b
blue
8
Functional earth
FE
red
A
Coding A
Table 4:
Power supply, output signal and NPN switching contacts
