PRODUCT DESCRIPTION
SIEMENS 7MH7122-1BD31-1A-Z Y15+Y33 - SIWAREX WP231 Weighing Module
The SIEMENS 7MH7122-1BD31-1A-Z Y15+Y33 is a SIWAREX WP231 weighing module, engineered for high-precision weight acquisition and processing within industrial automation systems. This compact module integrates seamlessly with SIMATIC S7-1200 and S7-1500 programmable logic controllers, providing advanced weighing functionality for applications such as filling, batching, level control, and platform scales. It utilizes a 24-bit analog-to-digital converter for accurate measurement and offers direct communication via the PLC backplane.
Technical Specifications:
- SERIES/FAMILY: SIWAREX WP231
- COMPONENT TYPE: Weighing Module
- ELECTRICAL SPECS:
- POWER SUPPLY: Via SIMATIC S7-1200/1500 backplane bus
- LOAD CELL EXCITATION: 5V DC or 10V DC (selectable)
- CURRENT CONSUMPTION: Approximately 80 mA from backplane
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact module for DIN rail mounting
- LOAD CELL CONNECTION: Up to 4 load cells (350 Ohm) or 8 load cells (700 Ohm) in parallel, 4-wire or 6-wire technology
- INTERFACE/CONTROL:
- COMMUNICATION PROTOCOL: Integrated via SIMATIC S7-1200/1500 backplane (PROFINET enabled via CPU)
- DIGITAL INPUTS: 4 (e.g., for zeroing, taring, locking)
- DIGITAL OUTPUTS: 4 (e.g., for limit values, status)
- ANALOG OUTPUT: 1 (0/4-20mA or 0-10V, configurable)
- MEASUREMENT RESOLUTION: Internal 16,000,000 parts (24-bit ADC), Display resolution up to 65,000 divisions
- MEASUREMENT RATE: Up to 100 Hz
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- COOLING METHOD: Natural convection
- MOUNTING STYLE: DIN rail
- COMPATIBILITY/APPLICATION:
- COMPATIBLE PLCS: SIMATIC S7-1200, SIMATIC S7-1500
- CONFIGURATION SOFTWARE: TIA Portal
- TYPICAL APPLICATIONS: Filling systems, batching processes, tank and silo weighing, platform scales, crane scales, level measurement, force measurement