SIMATIC S7-300, Digital Input SM 321 6ES7321-1BH02-4AA2
SIMATIC S7-300, digital input SM 321, potential isolation, 16 digital inputs, 24V DC, 1 x 20-pin
Introduction
SIMATIC S7-300, digital input SM 321, potential isolation, 16 digital inputs, 24V DC, 1 x 20-pin
