Benshaw Universal RTD Module Manual
This manual provides full technical documentation for the Benshaw Remote RTD Module, including installation instructions, wiring diagrams, Modbus communication protocols, and detailed specifications. The module is designed to monitor up to eight 3-wire RTDs with precise lead resistance compensation and Modbus RTU communication over RS-485.
Key Points
- Multi-Channel Monitoring: Supports up to eight 3-wire platinum RTDs for comprehensive temperature sensing.
- Industrial Communication: Operates via RS-485 using the Modbus RTU protocol with configurable addresses.
- Technical Specifications: Operates on 24VDC power, 2.5W consumption, 19200 bps communication rate, and 1 RTD/sec sampling rate.
- Flexible Integration: Supports daisy-chain RS-485 topology for efficient network wiring.
- Accurate Measurement: Includes automatic lead resistance compensation and detection for open or shorted RTDs.
- Compact and Robust Design: DIN rail mountable with IP20 protection, designed for industrial environments (-40°C to 60°C).
- User-Friendly Setup: Features LEDs for TX, RX, and status indication for quick diagnostics.
- Manufacturer Support: Developed and published by Benshaw Inc., a leader in solid-state motor control technology.