GE 369B1841G5007 MAI51 Temperature Input Module

Introducing the GE Nexus 369B1841G5007 MAI51 Temperature Input Module

The 369B1841G5007 MAI51 is a specialized temperature input module from GE Nexus. This module provides sixteen channels for RTD and thermocouple signal acquisition. It delivers precise temperature measurement for critical process monitoring and control applications.

Core Technical Specifications & Performance

• Brand & Model: GE Nexus 369B1841G5007 (MAI51)
• Input Channels: 16 temperature input channels
• Signal Support:
  • RTD: Pt10, Pt100, Cu100, Cu50 (2-wire/3-wire)
  • Thermocouple: E, J, K, N, R, S, T, B types
• Measurement Accuracy: Maximum 0.2% error
• A/D Conversion: 16-bit resolution, 8 channels per group
• Over-Range Alarm: ±10% software-detectable alarm
• Isolation: 250VAC between channels, 500VAC channel-to-ground, 1500VAC system isolation
• Noise Immunity: >120dB CMRR, >60dB NMRR

Power Supply & Installation

• Power Input: Dual 24V DC (±10%) redundant supplies
• Voltage Range: Operates on 21.6-26.4VDC
• Power Consumption: 1.8W typical, <2W maximum
• Mounting: Screw installation for secure mounting
• Terminal Connection: Single-row European-style detachable terminals
• Wire Gauge: Accepts up to 2.5mm², two-wire connections
• Physical Dimensions: 209 × 129.5 × 51mm (H × W × D)

Processing & Communication

• Processor: High-performance 32-bit embedded processor
• I/O Communication: Redundant high-speed intelligent serial bus
• Communication Rate: 1Mbps data transfer speed
• Connectors: DB-9 female connector for communications
• Status Indication: LEDs for module operation, communication status, fault alarms

Environmental Specifications & Certifications

• Operating Temperature: 0°C to 60°C
• Humidity Range: 10-90% non-condensing
• Vibration Resistance: 10-500Hz, ≤10m/s² acceleration
• Contaminant Protection: Limits dust particles >0.5μm to <18,000 particles/L
• Certifications: System CE certified, complies with FCC Part 15, EN 61326-1, CISPR 11, IEC 61000-4 series

Packaging & Shipping Information

• Package Includes: One (1) 369B1841G5007 MAI51 temperature input module
• Shipping Methods: International shipping via FedEx, UPS, and DHL
• Standard Packaging: Protective packaging with proper ESD safeguards

Installation & Configuration Guide

• Mount the module using appropriate screws for secure installation
• Connect dual 24V DC power supplies for redundant operation
• Wire RTD or thermocouple sensors using the detachable terminals
• Configure sensor type (RTD or TC type) for each channel as needed
• Connect communication via the DB-9 connector to the control network
• Monitor module status through the comprehensive LED indicators

Frequently Asked Questions (FAQ)

What RTD types are supported?

The module supports Pt10, Pt100, Cu100, and Cu50 RTDs in both 2-wire and 3-wire configurations for flexible temperature measurement.

What thermocouple types are compatible?

It supports all major thermocouple types: E, J, K, N, R, S, T, and B, covering most industrial temperature measurement applications.

What is the difference between 2-wire and 3-wire RTD connection?

3-wire connection compensates for lead wire resistance, providing more accurate measurement over longer distances compared to 2-wire connection.

Why is redundant power supply important?

The 1:1 redundant 24V DC power ensures continuous temperature monitoring even if one power supply fails, critical for process safety and equipment protection.

What applications is this module designed for?

The 369B1841G5007 is ideal for process industries requiring precise temperature monitoring, including chemical processing, HVAC, power generation, and manufacturing.