ABB 1MRS050644 1MRS050644 RTD Temperature Measurement Analog Input Module

Description

Hardware and Performance Specifications Auxiliary supply: 24 V DC Power consumption: ≤4 W Input channels: Multi‑channel RTD input, compatible with Pt100 thermal resistance sensors Measurement accuracy: High‑precision temperature conversion accuracy Isolation: Galvanic isolation between field side and system bus side Communication interfaces: Internal rack back‑plane bus Mounting mode: Subrack plug‑in card Protection class: IP20 Operating temperature: ‑25 ℃ ~ +70 ℃ Storage temperature: ‑40 ℃ ~ +85 ℃ Humidity: 5‑95 %RH non‑condensing EMC compliance: Comply with IEC 61000‑4 series industrial electromagnetic‑compatibility standards Dimension & weight: approx. 160 × 100 × 30 mm, weight approx. 0.24 kg Certifications: CE approvalABB-DCS He…

Main Functions Receive and condition RTD sensor signals (Pt100) for equipment temperature measurement. Complete high‑precision analog‑to‑digital conversion of thermal‑resistance signals. Upload temperature measurement data to main controller through back‑plane bus. Over‑voltage and surge protection for field input loops. Hardware self‑diagnosis detects channel failure, open‑circuit sensor and internal circuit faults, and sends fault status to main unit. Front‑panel LED indicators show power status, running status and fault alarm information for on‑site troubleshooting. Parameter configuration and diagnosis are completed by ABB system engineering software.

Installation Requirement Plug‑in installation inside matching system subrack. Separate high‑power cables and weak‑signal measuring cables, ensure reliable cabinet protective grounding. Auxiliary 24 V DC power supply shall stay within rated operating range. After module replacement, confirm full part‑number 1MRS050644 matches original configuration, download project parameters. Perform channel calibration and back‑plane bus communication test. This module cannot run independently and must match supporting main‑controller hardware. Do not put into service until no hardware self‑diagnosis fault alarm exists.

Typical Application Scenarios RTD temperature‑measurement input module for power‑plant DCS, turbine‑generator bearing and stator‑winding temperature monitoring, petrochemical and metallurgical industrial process control; used for control‑system maintenance and spare‑part replacement.

Key Features

1. Special RTD temperature‑acquisition module for ABB Advant / Procontrol system, optimized for Pt100 thermal‑resistance sensors.
2. Galvanic‑isolated input channels, surge protection, good anti‑interference performance for harsh industrial‑site environment.
3. Plug‑in card design, convenient for on‑site replacement and maintenance.
4. Built‑in comprehensive self‑diagnosis function for sensor open‑circuit and channel fault detection.
5. Important maintenance spare‑part for legacy ABB industrial control systems; strict part‑number matching is required during replacement.