Siemens SIMATIC S7-300 SM 321 Ex-Digital input modules, 24VDC, 4 digital input
Siemens SIMATIC S7-300 SM 321 Ex-Digital input modules, 24VDC, 4 digital input
Siemens SIMATIC S7-300 SM 321 Ex-Digital input modules, 24VDC, 4 digital input
Siemens SIMATIC S7-300 SM 331 Ex Analog input module, 24VDC, 4 analog input
Siemens SIMATIC S7-300 SM 331 Ex Analog input module, 24VDC, 4 analog input
Siemens SIMATIC S7-300 SM 331 Ex Analog input module, 24VDC, 4 analog input
Siemens SIMATIC S7-300 SM 331 Ex Analog input module, 24VDC, 8 thermocouple input
Siemens SIMATIC S7-300 SM 322 Ex-Digital output modules, 24VDC, 4 digital output
Siemens SIMATIC S7-300 SM 332 Ex Analog output module, 24VDC, 8 analog output