Modular PLC Programming Logic Controller , Siemens EM221 PLC Replacement

EM221 32 Digital Inputs 200 PLC replacement of Siemens PLC Quick description : 1). EM221 32DI , 24V DC ; 2). Compatible with Siemens 6ES7221-1BL22-0XA0 ; 3). Digital Input module ; 4). Could connect with Siemens 200 CPU ; 5)). 3-year warranty ; Detail description : Model EM221 8 inputs EM221 16 inputs EM221 32 inputs Product Description 8DI,24VDC; Optical isolation with high immunity 16DI,24VDC; Optical isolation with high immunity 32DI,24VDC; Optical isolation with high