Siemens SIMATIC S7-300 SM 326, fail-safe NAMUR digital input, 8 digital input
Siemens SIMATIC S7-300 SM 326, fail-safe digital input, 24 digital input
Siemens SIMATIC S7-300 SM 326, fail-safe digital input, 24 digital input
Siemens SIMATIC S7-300 SM 326, fail-safe digital input, 24 digital input
Siemens SIMATIC S7-300 SM 326, fail-safe NAMUR digital input, 8 digital input
Siemens SIMATIC S7-300 SM 326, fail-safe NAMUR digital input, 8 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 326, fail-safe analog input, 6 digital input
Siemens SIMATIC S7-300 SM 326, fail-safe digital output, 10 digital output