GE thermocouple 328A8480P054

GE Thermocouple Input Module 328A8480P054: Technical Specifications

1. Product Overview
The GE 328A8480P054 is a high-performance thermocouple input module designed for integration with GE's Mark VIe and other TX3 family control systems. This module serves as a critical interface between thermocouple sensors and the central control system, providing precise temperature monitoring capabilities for industrial applications requiring high reliability and accuracy.

2. Technical Specifications

2.1 General Parameters

• Module Type: 16-channel thermocouple input

• Part Number: 328A8480P054

• Compatible Systems: GE Mark VIe, TX3 Control Platforms

• Isolation Rating: Channel-to-channel and channel-to-backplane isolation

• Operating Temperature: -40°C to +70°C (-40°F to +158°F)

• Storage Temperature: -40°C to +85°C (-40°F to +185°F)

• Relative Humidity: 5% to 95% non-condensing

2.2 Electrical Characteristics

• Input Types: Supports J, K, T, E, R, S, B, N thermocouple types

• Input Range: ±80 mV nominal

• Resolution: 16-bit ADC

• Accuracy: ±0.1% of reading ±1°C

• Common Mode Rejection: >120 dB at 50/60 Hz

• Normal Mode Rejection: >60 dB at 50/60 Hz

• Input Impedance: >1 MΩ

• Update Rate: 100 ms per channel (all channels)

• Burnout Detection: Current source/sink selectable per channel

2.3 Signal Processing

• Sampling Rate: 10 samples per second per channel

• Filtering: Programmable digital filtering

• Cold Junction Compensation: Integrated with accuracy ±0.5°C

• Linearization: Digital linearization per IEC 60584 standards

• Calibration: Automatic self-calibration capability

2.4 Physical Specifications

• Dimensions: 236 mm × 130 mm × 40 mm (9.3" × 5.1" × 1.6")

• Weight: Approximately 450 g (1 lb)

• Connector Type: High-density 68-pin connector

• Mounting: Standard DIN rail mounting

• LED Indicators: Dual-color status LEDs per channel

• Material: Industrial-grade plastic housing

2.5 Environmental Compliance

• EMC Immunity: Meets IEC 61000-4-2, -3, -4, -5, -6

• EMC Emissions: Complies with IEC 61000-6-4

• Safety Standards: UL 508, CSA 22.2, EN 61131-2

• Vibration: 0.5 g from 5-150 Hz, 3 axes

• Shock: 15 g, 11 ms duration

3. Functional Capabilities

3.1 Channel Configuration

• Individual channel configuration for thermocouple type

• Selectable temperature units (°C/°F/K)

• Programmable high/low alarms per channel

• Configurable filtering parameters

• Scalable engineering units

3.2 Diagnostic Features

• Open thermocouple detection

• Short circuit detection

• Out-of-range indication

• Module health monitoring

• Communication status monitoring

• Configuration verification

3.3 Communication Interface

• Backplane Communication: 100 Mbps Ethernet

• Protocol: SRTP (Secure Real-Time Protocol)

• Data Refresh Rate: Configurable from 10-1000 ms

• Configuration Tool: GE CIMPLICITY or ToolboxST

4. Application Information

4.1 Typical Applications

• Gas and steam turbine temperature monitoring

• Critical bearing temperature monitoring

• Process temperature monitoring in industrial applications

• Exhaust gas temperature measurement

• Heater and furnace monitoring

4.2 Installation Requirements

• Must be installed in controlled environment

• Requires proper grounding per GE specifications

• Maximum cable length: 100 meters (328 feet)

• Shielded twisted pair cable recommended

• Separation from high-voltage cables required

5. Ordering Information

5.1 Included Components

• One 328A8480P054 thermocouple module

• Configuration documentation

• CE declaration of conformity

5.2 Recommended Accessories

• Termination panels

• Shielded cable assemblies

• DIN rail mounting hardware

• Configuration software licenses

6. Maintenance and Service

6.1 Calibration

• Recommended calibration interval: 24 months

• Factory calibration certificate available

• Field calibration using certified standards

6.2 Firmware Updates

• Updates available through GE service centers

• Field upgradeable firmware

• Version compatibility maintained

This technical specification document provides comprehensive information about the GE 328A8480P054 Thermocouple Input Module, ensuring proper selection, installation, and operation within industrial control systems.