Siemens SIMATIC S7-400 SM 421 digital input module, 24VDC, 32 digital input
Siemens SIMATIC S7-400 SM 421 digital input module, 24VDC, 32 digital input
Siemens SIMATIC S7-400 SM 421 digital input module, 24VDC, 16 digital input
Siemens SIMATIC S7-400 SM 421 digital input module, 24VDC, 16 digital input
Siemens SIMATIC S7-400 SM 421 digital input module, 120VDC/VAC, 32 digital input
Siemens SIMATIC S7-400 SM 421 digital input module, 120VDC/VAC, 32 digital input
Siemens SIMATIC S7-400 SM 421 digital input module, 24-60V, 16 digital input
Siemens SIMATIC S7-400 SM 421 digital input module, 24-60V, 16 digital input
Siemens SIMATIC S7-400 SM 422 digital output module, 24VDC, 16 digital output
Siemens SIMATIC S7-400 SM 422 digital output module, 24VDC, 16 digital output
Siemens SIMATIC S7-400 SM 421 digital input module, 120/230VDC/VAC, 16 digital input
Siemens SIMATIC S7-400 SM 421 digital input module, 120/230VDC/VAC, 16 digital input
Siemens SIMATIC S7-400 SM 422 digital output module, 24VDC, 32 digital output
Siemens SIMATIC S7-400 SM 422 digital output module, 24VDC, 32 digital output
Siemens SIMATIC S7-400 SM 422 digital output module, 120/230V AC, 16 digital output
Siemens SIMATIC S7-400 SM 422 digital output module, 120/230V AC, 16 digital output
Siemens SIMATIC S7-400 SM 422 digital output module, 24VDC, 32 digital output (relay)
Siemens SIMATIC S7-400 SM 422 digital output module, 5...230V AC, 16 digital output (relay)
Siemens SIMATIC S7-400 SM 422 digital output module, 24VDC, 32 digital output (relay)
Siemens SIMATIC S7-400 SM 422 digital output module, 5...230V AC, 16 digital output (relay)