Siemens SIWAREX WP351 WE Technology I/O expansion module, 3 digital input, 3 digital output
Siemens SIWAREX WP351 HF WE Technology I/O expansion module, 3 digital input, 3 digital output
Siemens SIWAREX WP351 WE Technology I/O expansion module, 3 digital input, 3 digital output
Siemens SIWAREX WP321 WE Technology I/O expansion module
Siemens SIWAREX WP321 WE Technology I/O expansion module
Siemens SIWAREX WP321 WE Technology I/O expansion module
Siemens SIWAREX WP521 ST Technology I/O expansion module, 3 digital input, 4 digital output
Siemens SIWAREX WP522 ST Technology I/O expansion module, 3 digital input, 4 digital output
Siemens SIWAREX WP522 ST Technology I/O expansion module, 3 digital input, 4 digital output