PRODUCT DESCRIPTION
SIEMENS 7MH4702-8AF - Weighing Module
The SIEMENS 7MH4702-8AF is a SIWAREX WP231 weighing module engineered for seamless integration into SIMATIC S7-1200 programmable logic controllers. This compact module provides high-precision weighing functionality, enabling direct acquisition and processing of weight values for industrial automation tasks. It is designed for applications requiring accurate force measurement, level monitoring, and batching processes within a distributed control architecture.
Technical Specifications:
- SERIES/FAMILY: SIWAREX WP231
- COMPONENT TYPE: Weighing Module
- ELECTRICAL SPECS:
- POWER SUPPLY: Via SIMATIC S7-1200 backplane bus
- LOAD CELL EXCITATION: 5V DC
- CURRENT CONSUMPTION: Approximately 50 mA (from 24V DC internal S7-1200 supply)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: SIMATIC S7-1200 signal board module
- LOAD CELL CONNECTION: Up to 4 (350 Ohm) or 8 (700 Ohm) load cells in parallel
- INTERFACE/CONTROL:
- COMMUNICATION INTERFACE: SIMATIC S7-1200 backplane bus, RS485 (Modbus RTU)
- ANALOG INPUT RESOLUTION: 24-bit internal, 16-bit effective
- DIGITAL INPUTS: 4
- DIGITAL OUTPUTS: 4
- FEEDBACK: Weight value, status, diagnostics
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING STYLE: DIN rail, direct plug-in to SIMATIC S7-1200 CPU or signal board
- OPERATING TEMPERATURE: 0 to 60 °C
- COMPATIBILITY/APPLICATION:
- COMPATIBILITY: SIMATIC S7-1200 PLCs
- TARGET APPLICATIONS: Batching, filling, level control, platform scales, crane scales, silo scales