SIWAREX WP231 calibratable weighing electronic (1 channel) for strain gauge load cells / full bridges (1-4 mV/V) for SIMATIC S7-1200 or stand alone, RS485 and Ethernet-Interface, onboard I/O: 4 DI / 4 DO, 1 AO (0/4...20mA), attention: for calibratable applications please follow the local laws applying in the country of verification!