SIMATIC S7-400, function module FM 450-1 for counter function with 2 channels incl. configuration package on CD
SIMATIC S7-400, positioning module FM 451 for rapid/slow traverse drives, 3 channels incl. configuration package on CD
SIMATIC S7-400, cam control system FM 452, electronic incl. configuration package on CD
SIMATIC S7-400, function module FM 453, (3-channel) for positioning with servo and stepper motors, incl. configuration package on CD
SIMATIC S7-400, control module FM 455 C, 16 channels, continuous, 8/16 AI + 16 DI+ 16 AO
SIMATIC S7-400, control module FM 455 S, 16 channels, step and pulse, 8/16 AI + 16 DI+ 32 DO
SIMATIC S7-400, EXM 438-1 I/O extension for FM 458 4x analog outputs 16-bit EXM 438-1 not spare part-compatible for EXM438