Description
Order No.: 7MH4960-6AA01 7MH49606AA01 SIWAREX WP251 calibratable weighing electronic for batching and filling process (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!7MH49606AA01_datasheet_en
Overview
SIWAREX WP251 electronic weighing module
SIWAREX WP251 is a flexible weighing module for dosing and filling processes. The compact module can be installed seamlessly in the SIMATIC S7-1200 automation system. It can also be used without a SIMATIC CPU in stand-alone mode.
Benefits
SIWAREX WP251 offers the following key advantages:
- Uniform design technology and consistent communication in SIMATIC S7-1200
- Uniform configuration with TIA Portal
- Legal-for-trade according to OIML R-76, R-51 and R-61
- Legal-for-trade according to OIML R-107 (available soon)
- Internal alibi memory for up to 550 000 entries
- Operation without SIMATIC CPU also possible
- Ethernet port ex works (Modbus TCP/IP / SIWATOOL)
- RS 485 interface ex works (Modbus RTU / remote display)
- Four digital inputs and outputs, one analog output ex works
- Measurement of weight and force with a high resolution of up to ± 4 million parts and an accuracy of 0.05%
- Simple calibration and setup of the scale using SIWATOOL V7 via the Ethernet interface
- Recovery-point for the simple restoration of all parameters
- Automatic calibration without the need for calibration weights
- Supports replacement of module without recalibration of scales
- Direct use in hazardous area zone 2
Application
SIWAREX WP251 is the optimum solution wherever fast and precise dosing and filling are required. The typical applications of SIWAREX WP251 are:
- Automatic catchweighing instruments (ACI) — legal-for-trade in accordance with OIML R-51
- Gravimetric filling instruments (GFI) — legal-for-trade in accordance with OIML R-61
- Non-automatic weighing instruments (NAWI) — legal-for-trade in accordance with OIML R-76
- Discontinuous totalizing automatic weighing instruments (THW) — legal-for-trade in accordance with OIML R-107 (available soon)