SIMATIC S7-300 SM 321, DI 8x120/230 V AC ISOL

SIMATIC S7-300, Digital input SM 321, isolated, 8 DI, 120 V/230 V AC, 1x 40-pole, with single rooting/channel ules (e.g. 64 digital inputs) and function modules as well as S7-300 communications processors can be used as I/O modules (the interface to the process). This means the ET 200M also supports modules with extended user data, such as HART modules with HART auxiliary variables. In addition to conventional connection methods, the ET 200M offers you the FastConnect fast connection technology for easy wiring without stripping.