Siemens SIMATIC S7-300 SM321 Digital I/O expansion module expansion module, 24VDC, 8I digital input
Siemens SIMATIC S7-300 SM321 Digital I/O expansion module expansion module, 24VDC, 8I 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
Siemens SIMATIC S7-300 SM 327 Digital I/O expansion module expansion module, 24VDC, 8 digital input, 8 digital input & output
Siemens SIMATIC S7-300 SM 327 Digital I/O expansion module expansion module, 24VDC, 8 digital input, 8 digital input & output
Siemens SIMATIC S7-300 SM321 Digital I/O expansion module expansion module, 24VDC, 8I digital input
Siemens SIMATIC S7-300 SM 321 Digital I/O expansion module expansion module, 24VDC, 32 digital input
Siemens SIMATIC S7-300 SM 323 Digital I/O expansion module expansion module, 24VDC, 8 digital input, 8 output