Siemens SIMATIC S7-300 SM 323 Digital I/O expansion module expansion module, 24VDC, 16 digital input, 16O digital output
Siemens SIMATIC S7-300 SM 323 Digital I/O expansion module expansion module, 24VDC, 16 digital input, 16O digital output
Siemens SIMATIC S7-300 SM 323 Digital I/O expansion module expansion module, 24VDC, 16 digital input, 16O digital output
Siemens SIMATIC S7-300 SM 321 Digital I/O expansion module expansion module, 24VDC, 16 digital input
Siemens SIMATIC S7-300 SM 321 Digital I/O expansion module expansion module, 24VDC, 16 digital input
Siemens SIMATIC S7-300 SM 321 Digital I/O expansion module expansion module, interrupt, 24VDC, 16 digital input
Siemens SIMATIC S7-300 SM 321 Digital I/O expansion module expansion module, input delay, 24VDC, 16 digital input
Siemens SIMATIC S7-300 SM 321 Digital I/O expansion module expansion module, 24VDC, 16 sourcing input
Siemens SIMATIC S7-300 SM 322 Digital I/O expansion module expansion module, 24VDC, 16 digital output/ 0.5A current output