Genuine Siemens SIMATIC S7-300 CP342-5 Profibus DP communication module, part number 6ES7-342-5DA00-0XE0. Removed from a working industrial system during upgrade. Unit is clean and in good physical condition with normal signs of use. This module is used for PROFIBUS DP communication, allowing integration of distributed I/O and field devices into Siemens PLC systems. 1x CP342-5 module (as shown) Removed from working system No additional testing performed
eBay