Analog Input


1 6ES7331-7KF02-0AB0 SIMATIC S7-300, Analog Input SM331 - 8 channels, optically isolated, U/I, 9/12/14 bits, 20 pin

Analog Output


1 6ES7332-5HF00-0AB0 SIMATIC S7-300, Analog Output SM332 - 8 channels, optically Isolated, U/I, 12 bits, 20 pin

Discrete Input


1 6ES7321-1BL00-0AA0 SIMATIC S7-300, Digital Input SM321 - 32 channels, optically isolated, 24Vdc, 40-Pin

Discrete Output


1 6ES7322-1BL00-0AA0 SIMATIC S7-300, Digital Output SM322 - 32 channels optically isolated, 24Vdc, Fuse 0.5A, 40 Pin