... good price and short delivery time Siemens S7400 PLC, Programmable Logic controllerPRODUCTS NAMEORDER NO.S7-400, CR2 RACK,CENTRALIZED,18 ... 1XF04-0AB0CPU412-2,256KB6ES7 412-2XG04-0AB0S7-400, CPU 412-2CENTRAL PROCESSING UNIT WITH:256 KB WORKING MEMORY ... -0AB0CP440 communication module PtP6ES7 440-1CS00-0YE0CP441-1,communication module PtP-6ES7 441-1AA04-0AE0CP441-2,communication module PtP-6ES7 441-2AA04 ...