IO-Link master
22
15.2 Profibus pin assignment
4
2
1
3
5
3
1
2
4
5
M12 connector for the in-coming bus line
M12 connector for the outgoing bus line
Pin
Signal
Specification
Description
1
VP
V
5 V termination resistor
2
RxD / TxD-N (A)
A, RS-485, PD
Inverted bus cable
3
DGND
V
0 V
4
RxD / TxD-P (B)
B, RS-485, PU
Non-inverted bus cable
5
not used
-
-
A = A cable / B = B cable / RS-485 = RS-485 level, bidirectional / V = Voltage supply /
PU =Pullup / PD = Pulldown
The shield is connected to FE in the device� The thread is used for additional shielding�
15.3 Pin connection voltage supply U
S
/U
A
IN X31
1: + 24 V DC (U
S
) brown
2: GND (U
A
) white
3: GND (U
S
) blue
4: + 24 V DC (U
A
) black
OUT X32
1: + 24 V DC (U
S
) brown
2: GND (U
A
) white
3: GND (U
S
) blue
4: + 24 V DC (U
A
) black
Pin assignment of the power supply, T-coded