S7-1200 CM1241 RS485 V3.0

6ES7241-1CH30-0XB0  
COMMUNICATION MODULE CM 1241, RS485

SIMATIC S7-1200, COMMUNICATION COMMUNICATION MODULE CM 1241, RS485, 9 PIN SUB D (FEMALE), SUPPORTS MESSAGE BASED FREEPORT

04/21/2009.... 10/01/2013.  Information about the successor product CM1241 V3.2