SM 321 (64 DI or 64 DO) for ET 200M and S7-300
SM 321 (64 DI or 64 DO) for ET 200M and S7-300
Digital input SM 321, 16DI, DC 48-125V
Digital input SM 321, 64 DI
Digital input SM 321, 16DI, 24V DC
Digital input SM 321, 16DI, 24V DC
Digital input SM 321, 16DI, 120/230V AC
Digital input SM 321, 8DI, 120V/230V AC
Digital input SM 321, 8 DI, 120V/230V AC
Digital input SM 321, 32 DI, 120V AC
Digital input SM 321, 16DI, AC/DC 24-48V
Digital input SM 321, 32 DI, 24V DC