Siemens simatic ipc227e - Page 108

Technical specifications
7.5 Hardware descriptions
SIMATIC IPC227E
108 Operating Instructions, 11/2016, A5E35782395-AB
Pin assignment RS485
Pin
Short description
Meaning
1
Data-
Transmit / receive data - (I/O) for half-duplex mode
2 Data+ Transmit / receive data+ (I/O) for half-duplex mode
3
nc
4
nc
5
M
Signal ground
6
nc
7
nc
8
nc
9
nc