Technical specifications
7.5 Hardware descriptions
SIMATIC IPC327G
68
Operating Instructions, 09/2021, A5E51366275-AA
Pin assignment RS422
Pin
Short description
Meaning
1
TX-
Transmit data - (O) for full-duplex mode
2
TX+
Transmit data + (O) for full-duplex mode
3
RX+
Receive data + (I) for full-duplex mode
4
RX-
Receive data - (I) for full-duplex mode
5
M
Signal ground
6
nc
7
nc
8
nc
9
nc
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
7.5.3
Internal interfaces
7.5.3.1
Overview of internal interfaces
Interface
Position
Description
USB 2.0
Internal
•
2 × USB 2.0 pin header
M.2
Internal
•
PCIe × 2 lane + USB 2.0
USB dongle
Internal
•
1 × USB 2.0 type A connector
SIM card slot
Internal
•
1 × SIM card slot