Benshaw RTD Module Installation Guide

This guide provides step-by-step instructions for installing and wiring Benshaw Remote RTD Modules. It includes detailed information on module connections, Modbus addressing, power wiring, and RTD temperature-to-resistance values to ensure accurate setup and operation.

Key Points

  • RTD Module Installation: Guidance on selecting installation location, including DIN rail mounting and LED accessibility.
  • Power Connections: Details on 24VDC power source wiring and terminal assignments.
  • RTD Connections: Support for up to 8 RTDs, including return, compensative, and hot wire terminal mapping.
  • Temperature vs. Resistance Table: Reference chart comparing °C/°F to 100O Pt (DIN 43760) values for calibration and troubleshooting.
  • Modbus Address Configuration: Instructions for setting Modbus addresses using rotary switches for up to two modules.
  • RS-485 Communication: Pinout and connection specifications for shielded twisted pair cables.
  • Wiring Diagram: Visual representation (Figure 26) of RTD connections, communication lines, and power wiring.