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Product Overview
The GE IC695ALG312 is a high-accuracy thermocouple input module specifically engineered for use in GE PACSystems RX3i controllers. Designed with 8 isolated input channels, this module allows direct connection to various thermocouple types and delivers precise temperature readings without requiring external signal conditioning equipment. Each channel is electrically isolated, significantly reducing the risk of ground loop interference and enhancing signal integrity in harsh industrial environments.
Supporting a broad spectrum of thermocouple types—including J, K, T, E, R, S, B, N, C, and others—the IC695ALG312 is the ideal solution for complex process control systems that require high-resolution and accurate temperature measurement.
This module is particularly suited to demanding applications in industries such as power generation, oil & gas, chemical processing, and food production, where stable and reliable temperature monitoring is essential.
Product Specifications
| Parameter | Description |
|---|---|
| Model Number | IC695ALG312 |
| Manufacturer | GE Automation |
| Series | PACSystems RX3i |
| Module Type | Isolated Thermocouple Input Module |
| Number of Channels | 8 individually isolated inputs |
| Supported Thermocouple Types | J, K, T, E, R, S, B, N, C, and others |
| Channel Isolation | 250V channel-to-channel and channel-to-ground |
| Cold Junction Compensation | Built-in per channel |
| Input Resolution | 16 bits |
| Input Accuracy | ±0.5°C typical (depending on TC type and range) |
| Input Impedance | >1 MΩ |
| Open Circuit Detection | Yes |
| Temperature Ranges | Depends on thermocouple type (e.g., -200°C to 1800°C) |
| Temperature Drift | ±0.02°C/°C typical |
| Conversion Time | 100 ms per channel |
| Sampling Rate | Configurable per channel |
| Diagnostics | Open wire detection, range errors, internal fault monitoring |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5% to 95% (non-condensing) |
| Power Consumption | 180 mA @ 5VDC |
| Dimensions (W x H x D) | 34 x 145 x 140 mm |
| Weight | 0.41 kg |
| Mounting | DIN rail or panel (via RX3i rack) |
| Certifications | CE, UL, cUL, Class 1 Div 2 |
| Software Configuration | Proficy Machine Edition (PME) |
Product Applications
The IC695ALG312 is specifically designed for accurate, isolated, and reliable temperature measurement in a variety of demanding industrial applications. Key application areas include:
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Power Generation: Monitoring steam turbine temperatures and heat exchanger feedback.
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Oil & Gas: Measuring process and pipeline temperatures in upstream/downstream operations.
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Chemical and Petrochemical Plants: Accurate temperature monitoring in reactors and distillation columns.
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Food and Beverage: Temperature control in ovens, freezers, and process vessels.
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Pharmaceutical Production: Maintaining precise thermal profiles in bioreactors and sterilizers.
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Metal Processing: Monitoring furnace and forge temperatures for alloy integrity.
Product Advantages
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Full Channel Isolation: Each channel is isolated from others and from the backplane, minimizing interference and eliminating ground loop issues.
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Wide Thermocouple Support: Compatible with a large range of thermocouple types, offering flexibility for numerous applications.
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Built-In Cold Junction Compensation (CJC): Ensures temperature accuracy without requiring external CJC hardware.
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High Accuracy & Resolution: 16-bit resolution with precise measurement even in critical ranges.
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Robust Diagnostics: Includes features like open wire detection and fault status indicators.
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Modular Integration: Seamless integration with other RX3i modules and backplane systems.
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Industrial Strength Design: Built to withstand harsh conditions in high-demand environments.
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User-Friendly Configuration: Easily configured using GE’s Proficy Machine Edition software.
Frequently Asked Questions (FAQ)
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Q: What thermocouple types are supported by IC695ALG312?
A: The module supports types J, K, T, E, R, S, B, N, C, and others. -
Q: Are the channels on this module isolated?
A: Yes, each channel is fully isolated from the others and from ground. -
Q: Is cold junction compensation provided internally?
A: Yes, the IC695ALG312 includes built-in cold junction compensation per channel. -
Q: What is the resolution of the input signal?
A: 16-bit resolution for accurate temperature measurements. -
Q: Can this module detect an open thermocouple circuit?
A: Yes, it has built-in open wire detection capabilities. -
Q: How is the IC695ALG312 configured?
A: Configuration is done through GE’s Proficy Machine Edition (PME) software. -
Q: What is the typical input accuracy?
A: The typical input accuracy is ±0.5°C depending on the thermocouple type. -
Q: Is this module hot-swappable?
A: No, it must be installed or removed with power off. -
Q: What industries commonly use this module?
A: Industries like oil & gas, power generation, pharmaceuticals, and food processing. -
Q: What diagnostic features are included?
A: It provides open wire detection, input range diagnostics, and internal module fault monitoring.
Related Models (Same Series / Function)
| Model Number | Description | Channels | Signal Type | Isolation |
|---|---|---|---|---|
| IC695ALG106 | RX3i Isolated Analog Input Module | 8 | Voltage/Current | Yes |
| IC695ALG104 | RX3i 4-Channel Isolated Analog Input | 4 | Voltage/Current | Yes |
| IC695ALG112 | RX3i 16-Channel Non-Isolated Analog Input | 16 | Voltage only | No |
| IC695ALG616 | RX3i 16-Channel Analog Output Module | 16 | Voltage/Current | No |
| IC695ALG708 | RX3i 8-Channel Voltage Output Module | 8 | Voltage | No |
| IC695ALG308 | RX3i 8-Channel Isolated Analog Output | 8 | Voltage/Current | Yes |
Popular GE Models (Same Brand, High Demand)
| Model Number | Description | Category | Application |
|---|---|---|---|
| IC695CPU320 | RX3i Central Processing Unit | CPU | Controller for industrial processes |
| IC695CHS012 | RX3i 12-Slot Universal Backplane | Chassis/Backplane | Modular system expansion |
| IC695PSD140 | RX3i Power Supply (40W) | Power Supply | Powers RX3i modules |
| IC695ETM001 | RX3i Ethernet Communication Module | Networking | Industrial networking |
| IC694MDL754 | RX3i 32-Point Digital Input Module | Digital I/O | Sensing discrete signals |
| IC693ALG223 | 4-Channel Analog Output (Series 90-30 compatible) | Analog Output | Legacy system support |
