SIWAREX WP521 ST / WP522 ST
SIWAREX WP521 ST and WP522 ST are weighing modules for the SIMATIC S7-1500 advanced controller family: SIWAREX WP521 ST is the single channel option for the set-up of one scale and SIWAREX WP522 ST is the two-channel option for the set-up of two independent scales.
![USA - SIWAREX WP521 weighing module USA - SIWAREX WP521 weighing module](https://assets.new.siemens.com/siemens/assets/api/uuid:f648e2fb1dfeb014c4dba490aab01fa7b22c77c4/width:100/quality:low/USA-SIWAREX-WP521-weighing-module.jpg)
SIWAREX WP521 ST and WP522 ST are weighing modules for the SIMATIC S7-1500 advanced controller family: SIWAREX WP521 ST is the single channel option for the set-up of one scale and SIWAREX WP522 ST is the two-channel option for the set-up of two independent scales.