Agent Siemens PLC 6ES7321-1BH50-0AA0 SM321 Siemens Expansion Module
SIMATIC S7-300, digital input SM 321, potential isolation 16 digital inputs, 24V DC, M read, 1x 20 pin
Introduction
SIMATIC S7-300, digital input SM 321, potential isolation 16 digital inputs, 24V DC, M read, 1x 20 pin
