Siemens SIMATIC S7-300 SM 321 Digital I/O expansion module expansion module, 24-48VAC/DC, 16 digital input
Siemens SIMATIC S7-300 SM 321 Digital I/O expansion module expansion module, 24-48VAC/DC, 16 digital input
Siemens SIMATIC S7-300 SM 321 Digital I/O expansion module expansion module, 24-48VAC/DC, 16 digital input
Siemens SIMATIC S7-300 SM 322 Digital I/O expansion module expansion module, 24-48VAC/DC, 16 digital output/ 0.5A current output
Siemens SIMATIC S7-300 SM 322 Digital I/O expansion module expansion module, 24-48VAC/DC, 16 digital output/ 0.5A current output
Siemens SIMATIC S7-300 SM 322 Digital I/O expansion module expansion module, 24-48VAC/DC, 16 digital output/ 0.5A current 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, 32 digital input
Siemens SIMATIC S7-300 SM 321 Digital I/O expansion module expansion module, 24VDC, 32 digital input