GE 239-RTD-AN
GE 239-RTD-AN - Image 2

GE 239-RTD-AN

Product Overview: The 239-RTD-AN is a specialized analog input module designed for temperature monitoring applications using Resistance Temperature Detector (RTD) sensors. This module is part of GE’s industrial control and monitoring systems, providing accurate temperature measurement and transmission for critical industrial processes. It is designed to interface with 100 Ohm platinum RTDs (DIN 43760 standard) commonly used in motor bearing, stator, and ambient temperature monitoring applications.

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Category: SKU: GE 239-RTD-AN

Description

GE 239-RTD-AN

Technical Specifications:

Parameter Specification
RTD Type 100 Ohm Platinum (DIN 43760)
RTD Sensing Current 5mA
Measurement Range -50°C to +250°C
Accuracy ±3°C
Lead Resistance 25 Ohm maximum per lead
Maximum Distance 250 meters
Isolation 2kV from base unit
RTD Trouble Alarm Triggered at <-50°C or >250°C

Functional Features:

  • High Precision Temperature Monitoring: Provides accurate temperature measurement for critical industrial equipment

  • Wide Temperature Range: Capable of monitoring extreme temperature conditions from -50°C to +250°C

  • Long Distance Transmission: Supports RTD sensor connections up to 250 meters from the base unit

  • Isolation Protection: 2kV isolation from base unit ensures electrical safety and noise immunity

  • Trouble Alarm Function: Automatic alarm triggering for out-of-range temperature readings or sensor faults

Applications:

  • Motor bearing temperature monitoring
  • Stator winding temperature measurement
  • Ambient temperature sensing in industrial environments
  • Process temperature monitoring and control
  • Thermal protection systems for rotating machinery

Installation Requirements:

  • Proper RTD sensor wiring with attention to lead resistance compensation
  • Shielded twisted pair cabling recommended for noise immunity
  • Maximum lead resistance of 25 Ohms per lead must be observed
  • Grounding requirements per industrial control system standards

Note: This module is typically used in conjunction with GE motor protection relays (such as the 339 and 369 series) to provide comprehensive thermal protection for electric motors and generators.

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