Festo VDMA-02 Series Brief Description page 22

M12 central plug (3−pin) type MSSD−EB−M12−DUO
+
12
_
Pin Electrical connection
2 Signal coil 12
3 com
4 Signal coil 14
1)
For using the socket with cable according to Festo accessories.
Designation of the core colours as per DIN/IEC 757
2)
Connect 0 V with positive−switching control signals, 24 V with
negative−switching control signals (−15 %/+10 %); mixed operation
not permitted!
22
14
+
1)
Core colour
brown
white
blue
black
Festo VDMA−02−ZR.. 0403a English
3 2
4
Remarks
Solenoid coil 12
2)
0 V or 24 V
Solenoid coil 14