S7-200, S7-300, S7-400 Series Modules, Touch Screen, Card, Cable, Circuit Board, Variable Frequency Drive. Main Series are MOORE、6DD、6DP、S5,S7
SIEMENS 6ES7132-6HD00-0BB0 relay module normally open
SIEMENS 6ES7241-1AA22-0XA0 Modem expansion module Analog modem
SIEMENS 6ES7241-1CH30-0XB0 Communication module CM 1241
SIEMENS 6GK7243-1EX00-0XE0 Communications processor CP 243-1