Siemens S740 PLC World famous brand PLC from Germany All PLC products are in stock with good price and short delivery time Siemens S7400 PLC, Programmable Logic controllerPRODUCTS NAMEORDER NO.S7-400, CR2 RACK,CENTRALIZED,18 SLOTS,2 SEGMENTS2 REDUNDANT PS PLUGGABLE6ES7 401-2TA01-0AA0S7-400, UR2 RACK ALU,CENTRALIZED AND DISTRIBUTEDWITH 9 SLOTS,2 REDUNDANT PS PLUGGABLE6ES7 400-1JA01-0AA0 S7-400, ...