under the order

SIWAREX WP521 ST WEIGHING ELECTRONIC (1 CHANNEL) FOR STRAIN GAUGE LOAD CELLS / FULL BRIDGES (1-4 mV/V) FOR SIMATIC S7-1500, RS485 AND ETHERNET-INTERFACE, ONBOARD I/O: DI 3 X 24V DC / DQ 4 X 24V DC

Download instructions at Siemens

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