New Siemens PLC Module 6ES7221-1EF22-0XA0 EM221 Digital Quantity Module
** Spare parts *** SIMATIC S7-200, digital input EM 221, potential isolation 8 digital inputs, 120/230V AC
Introduction
** Spare parts *** SIMATIC S7-200, digital input EM 221, potential isolation 8 digital inputs, 120/230V AC
