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Description
GE IC697ALG444
Product Overview
The GE IC697ALG444 is a 16-channel analog input expander module designed for precision voltage and current measurement in industrial automation systems, specifically within GE’s Series 90-70 PLC platform. Engineered as a gold-plated variant of the IC697ALG440 series, it supports configurable bipolar voltage inputs (-10V to +10V DC) and 4-20mA current loops, making it ideal for applications requiring high reliability and corrosion resistance in harsh environments. With 16-bit resolution (via oversampling) and ±0.01% full-scale accuracy, the IC697ALG444 ensures reliable conversion of analog signals into digital data for real-time analysis by the PLC’s CPU.
The GE IC697ALG444 is a 16-channel analog input expander module designed for precision voltage and current measurement in industrial automation systems, specifically within GE’s Series 90-70 PLC platform. Engineered as a gold-plated variant of the IC697ALG440 series, it supports configurable bipolar voltage inputs (-10V to +10V DC) and 4-20mA current loops, making it ideal for applications requiring high reliability and corrosion resistance in harsh environments. With 16-bit resolution (via oversampling) and ±0.01% full-scale accuracy, the IC697ALG444 ensures reliable conversion of analog signals into digital data for real-time analysis by the PLC’s CPU.
Integrated with a VME backplane interface, the IC697ALG444 pairs with the IC697ALG230 base converter module to form a scalable analog input subsystem, supporting up to 120 channels when daisy-chained. Its gold-plated headers and terminal blocks enhance durability in high-humidity or corrosive settings, while the removable 40-pin terminal block simplifies field wiring. Built for extreme conditions, the module operates across -40°C to +85°C and features transient overvoltage protection (up to 500V RMS), ensuring stability in high-vibration environments like offshore platforms and chemical plants.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | IC697ALG444 |
| Manufacturer | GE |
| Product Type | 16-Channel Analog Input Expander Module (Voltage/Current) |
| Input Channels | 16 differential (-10V to +10V DC / 4-20mA) |
| Resolution | 16-bit effective (via oversampling) |
| Accuracy | ±0.01% of full scale (voltage inputs) / ±0.05% (current inputs) |
| Power Requirements | 5V DC (shared with IC697ALG230 base converter) |
| Communication Interface | VME backplane |
| Isolation | 500V RMS (inputs isolated from backplane) |
| Operating Temperature | -40°C to +85°C (-40°F to 185°F) |
| Humidity | 5% to 95% non-condensing |
| Protection Rating | IP65 (with optional enclosure) |
| Dimensions | 118 mm x 70 mm x 25 mm (4.65″ x 2.75″ x 0.98″) |
| Weight | 0.38 kg (0.84 lbs) |
| Update Rate | 10 ms per channel |
Main Features and Advantages
High-precision signal acquisition: The IC697ALG444’s 16-bit resolution and factory-calibrated accuracy enable precise monitoring of voltage/current-driven processes, such as semiconductor wafer inspection or turbine excitation systems in power plants. Its oversampling algorithm reduces noise interference, ensuring reliable data even in electrically noisy environments.
High-precision signal acquisition: The IC697ALG444’s 16-bit resolution and factory-calibrated accuracy enable precise monitoring of voltage/current-driven processes, such as semiconductor wafer inspection or turbine excitation systems in power plants. Its oversampling algorithm reduces noise interference, ensuring reliable data even in electrically noisy environments.
Scalable and cost-efficient: By combining with the IC697ALG230 base converter, the module supports up to 120 analog inputs at a lower cost per channel, making it suitable for large-scale projects. This scalability is particularly valuable in industries like water treatment, where multiple sensors monitor pH levels and flow rates across distributed systems.
Rugged environmental resilience: Built to withstand extreme temperatures and transient voltage spikes, the IC697ALG444 excels in harsh industrial settings. Its gold-plated contacts and optional IP65 enclosure protect against corrosion and dust, reducing maintenance costs in mining or offshore applications.
Simplified integration: The module’s VME backplane interface and software-configurable parameters (via GE’s Proficy Machine Edition) streamline integration with GE’s Series 90-70/30 PLCs. This ease of deployment is critical in fast-paced manufacturing environments where downtime during system upgrades must be minimized.
Application Areas
The GE IC697ALG444 is widely deployed in industries where accurate voltage/current measurement is mission-critical:
The GE IC697ALG444 is widely deployed in industries where accurate voltage/current measurement is mission-critical:
- Power Generation: Monitors turbine excitation systems and grid voltage stability in thermal and nuclear power plants, ensuring compliance with grid codes and optimizing energy output.
- Process Manufacturing: Controls voltage-sensitive processes in chemical reactors and pharmaceutical bioreactors, maintaining product quality by detecting minute deviations in sensor signals.
- Semiconductor Fabrication: Supports precision testing of electronic components by capturing high-resolution voltage data in wafer sorting and burn-in processes.
- Renewable Energy: Manages voltage fluctuations in solar inverters and energy storage systems, enhancing grid integration and battery lifespan.
- Water/Wastewater Treatment: Regulates voltage-controlled dosing pumps and monitors dissolved oxygen levels in treatment tanks, ensuring regulatory compliance and operational efficiency.
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Installation and Maintenance
Installation before preparation: Power down the PLC system and ensure proper grounding. Use electrostatic discharge (ESD) protection when handling the IC697ALG444. Connect the module to the VME backplane and wire voltage/current inputs using shielded cables to minimize electromagnetic interference. Configure channel parameters (signal type, scaling) via Proficy Machine Edition, and verify communication with the IC697ALG230 base converter.
Installation before preparation: Power down the PLC system and ensure proper grounding. Use electrostatic discharge (ESD) protection when handling the IC697ALG444. Connect the module to the VME backplane and wire voltage/current inputs using shielded cables to minimize electromagnetic interference. Configure channel parameters (signal type, scaling) via Proficy Machine Edition, and verify communication with the IC697ALG230 base converter.
Maintenance recommendations: Inspect wiring connections quarterly for corrosion or looseness. Clean the IC697ALG444 with a dry, anti-static cloth to prevent dust buildup. Replace the IC697ACC701 battery every 5-7 years to maintain memory retention. Monitor status LEDs monthly for power or communication faults, and recalibrate inputs annually using GE-certified equipment to ensure accuracy.
Product Assurance
The GE IC697ALG444 is backed by a 1-year warranty covering defects in materials and workmanship. Rigorously tested to meet industrial standards (IEC 61131-2, UL 508), the module ensures reliable performance in critical applications. GE’s global technical support network provides 24/7 assistance for installation, troubleshooting, and firmware updates, ensuring optimal operation throughout the module’s lifecycle.
The GE IC697ALG444 is backed by a 1-year warranty covering defects in materials and workmanship. Rigorously tested to meet industrial standards (IEC 61131-2, UL 508), the module ensures reliable performance in critical applications. GE’s global technical support network provides 24/7 assistance for installation, troubleshooting, and firmware updates, ensuring optimal operation throughout the module’s lifecycle.
Important Notes
- Discontinuation Status: The IC697ALG444 was discontinued by GE in 2009. While new or refurbished units may still be available through authorized distributors, long-term support and spare parts availability are limited. Users are advised to consider alternative solutions like the IC697ALG441 or consult GE for migration strategies.
- Redundancy Limitations: Unlike the IC697ALG441RR, the IC697ALG444 does not support native redundancy. For fault-tolerant applications, consider pairing it with redundant base converters or using the IC697ALG441RR instead.
HS:8443919090
Contact info
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