Manufacturer: ABB
Type: PROCESSOR MODULE
Model: PM556-TP-ETH
Part no.: 1SAP 121 200 R0071

Supply Voltage: 24 V DC
Connection: pluggable I/O terminal blocks
Memory Size: 512 Kbytes
Number of digital inputs: 8
Processor module interfaces:  
I/O bus, COM1, COM2 (optional), Ethernet (depending on model)
Operation Temperature:
0 … 60 °C (horizontal mounting of modules)
0 … 40 °C (vertical mounting of modules)