... All PLC products are in stock with good price and short delivery time Siemens S7400 PLC, Programmable Logic controllerPRODUCTS NAMEORDER NO.S7 ... AND DISTRIBUTEDWITH 9 SLOTS,2 REDUNDANT PS PLUGGABLE6ES7 400-1JA01-0AA0 S7-400, UR1 RACK,CENTRALIZED AND DISTRIBUTEDWITH 18 SLOTS2 ... 16BIT6ES7 431-7KF10-0AB0Analog input module, SM431,AI/16 16BIT,6ES7 431-7QH00-0AB0Analog output module, SM431,AO/8 13BIT6ES7 ...