... good price and short delivery time Siemens S7400 PLC, Programmable Logic controllerPRODUCTS NAMEORDER NO.S7-400, CR2 RACK,CENTRALIZED,18 SLOTS ... /230V UC, 5V DC/20A6ES7 407-0RA01-0AA0 S7-400, CPU 412-196 KB WORKING MEMORY(48 KB CODE, 48 ... 32 24V DC,0.5A,6ES7 422-1BL00-0AA0OUTPUT MODULE, SM422 DO/16 120/230V AC,2A,6ES7 ... 422-1FH00-0AA0OUTPUT MODULE, SM422 DO/16 230V AC,56ES7 422-1HH00 ...