For siemens s200
SIMATIC S7-200, Digital input EM 221, only for S7-22X CPU, 16 DI, 24 V DC
Extremely compact but with amazing capabilities - especially with regard to its real-time performance - it is fast, powerful communication solutions, and easy to operate hardware and software. But there are more features:
SIMATIC s7-200 Micro PLC has a unified modular design - not very large at the moment, but an unlimited number of future custom solutions. All of which makes SIMATIC s7-200 Micro PLC a very effective and economical solution for automation control within a compact performance range.