Sales of Siemens PLC 6ES7321-1BL00-0AA0 SM321 Siemens Expansion Module
SIMATIC S7-300, digital input SM 321, potential isolation 32 digital inputs, 24V DC, 1 x 40 pin
Introduction
SIMATIC S7-300, digital input SM 321, potential isolation 32 digital inputs, 24V DC, 1 x 40 pin
