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Product Overview
The GE IC694ALG391 is a high-precision 2-channel analog current output module designed for the GE Fanuc PACSystems RX3i platform, a leading automation solution in industrial control. Engineered to convert digital signals from PLCs into analog current outputs, the GE IC694ALG391 supports configurable ranges of 4–20 mA or 0–20 mA, with a 12-bit resolution and 5 ms update rate. This configuration ensures precise control of actuators, valves, and variable-speed drives in manufacturing, energy, and process industries.
What distinguishes the GE IC694ALG391 is its optical isolation technology, which safeguards against electromagnetic interference (EMI) and ground loops, critical for maintaining signal integrity in noisy environments. The module’s compatibility with any I/O slot in the RX3i backplane simplifies system integration, while its compact design optimizes space in control cabinets. Whether deployed in automotive assembly lines or chemical processing plants, the GE IC694ALG391 delivers reliable performance by translating digital commands into actionable analog outputs for process automation.
Technical Specifications
| Parameter Name | Parameter Values |
|---|---|
| Product model | IC694ALG391 |
| Manufacturer | GE |
| Product type | 2-channel analog current output module (PLC I/O module) |
| Output signal range | 4–20 mA (default) or 0–20 mA (configurable via software) |
| Resolution | 12-bit (4 µA/bit at 4–20 mA; 5 µA/bit at 0–20 mA) |
| Update rate | 5 ms (per channel) |
| Accuracy | ±0.1% of full-scale reading + ±0.1% of input signal |
| Isolation | Optical isolation (250 VAC continuous; 1500 VAC for 1 minute) |
| Power consumption | 30 mA @ +5 VDC (backplane); 215 mA @ +24 VDC (isolated) |
| Physical dimensions | 101.6 mm (width) × 152.4 mm (height) × 127 mm (depth) (estimated based on RX3i standards) |
| Weight | 1.0 kg (2.2 lbs) |
| Operating temperature | -10°C to 60°C (-14°F to 140°F) |
| Storage temperature | -40°C to 85°C (-40°F to 185°F) |
| Mounting type | DIN rail (35mm standard) |
| Connector type | Terminal block (10 screws included) |
IC694ALG391
Related Products
- IC694ALG390: A 2-channel analog voltage output module for applications requiring voltage-controlled devices. The GE IC694ALG391 is preferred for current-driven systems.
- IC694ALG392: An 8-channel analog output module supporting mixed voltage/current outputs, ideal for high-density control systems.
- IC695CPU350: A high-performance CPU module that pairs with the GE IC694ALG391 to execute complex control algorithms.
- IC694PWR330H: A power supply module providing stable +5 VDC and +24 VDC outputs to power the GE IC694ALG391.
- IC694CHS392: A backplane module enabling multi-slot expansion for systems requiring additional I/O capacity.
- IC694MDL645B: A digital input module that works alongside the GE IC694ALG391 for hybrid analog-digital control systems.
- IC695CMM004: A communication module facilitating RS485 or Ethernet connectivity for remote monitoring of the GE IC694ALG391.
- IC694APU305: A special I/O processor module enhancing data processing capabilities for high-speed analog applications.
Main Features and Advantages
The GE IC694ALG391 excels in delivering precise analog control for industrial automation. Its high-resolution design ensures accurate signal representation, critical for applications like chemical dosing in wastewater treatment, where minor deviations can affect process efficiency. The module’s configurable output ranges eliminate the need for external signal conditioners, reducing hardware costs and simplifying wiring.
Another key advantage is its rugged construction, which withstands extreme temperatures and EMI. With an operating temperature range of -10°C to 60°C, it remains reliable in harsh environments such as oil refineries or outdoor transportation systems. The GE IC694ALG391 also incorporates multiple protection mechanisms, including overvoltage and short-circuit protection, safeguarding both the module and connected equipment from electrical faults.
For maintenance efficiency, the module features LED status indicators that provide real-time feedback on power, signal integrity, and fault conditions. This simplifies troubleshooting and minimizes downtime, a critical benefit for continuous-process industries like food and beverage production. Its DIN rail mount design further enhances ease of installation and replacement, supporting rapid system upgrades or repairs.
IC694ALG391
Application Fields
The GE IC694ALG391 is widely deployed in industries where precise analog control is essential. In manufacturing, it powers robotic welding systems by converting digital signals into current outputs for motion control. For example, in automotive plants, the module ensures consistent weld quality by accurately regulating welding current.
In energy and utilities, the GE IC694ALG391 controls pressure and flow rates in natural gas pipelines, enabling predictive maintenance to prevent leaks or equipment failures. Its compatibility with smart transmitters makes it suitable for modernizing legacy systems in oil and gas facilities.
The module also plays a vital role in water treatment, where it adjusts chemical dosing pumps based on pH or turbidity readings. By providing real-time analog control to PLCs, the GE IC694ALG391 ensures compliance with environmental regulations and optimizes chemical usage to reduce operational costs.
In transportation infrastructure, the module supports traffic management systems by converting digital commands into current signals for variable-speed drives in rail networks. Its reliability in outdoor environments ensures seamless operation in varying weather conditions.
Installation and Maintenance
Pre-installation preparations:
Before installing the GE IC694ALG391, verify the output signal type (current) and configure software settings to select 4–20 mA or 0–20 mA ranges. Ensure the DIN rail is securely mounted and aligned with the RX3i backplane. Disconnect all power sources to the cabinet to prevent electrical hazards. Clean the mounting area to remove debris that could interfere with heat dissipation.
Before installing the GE IC694ALG391, verify the output signal type (current) and configure software settings to select 4–20 mA or 0–20 mA ranges. Ensure the DIN rail is securely mounted and aligned with the RX3i backplane. Disconnect all power sources to the cabinet to prevent electrical hazards. Clean the mounting area to remove debris that could interfere with heat dissipation.
Maintenance suggestions:
Regularly inspect the GE IC694ALG391 for loose terminal connections or physical damage. Use a dry cloth to clean dust from vents, as accumulated debris can cause overheating. Monitor LED indicators for 异常 statuses, such as a flickering “OK” light, which may signal signal loss or power instability. Test the module’s accuracy annually using a calibrated current source to ensure readings align with factory specifications. For long-term storage, keep the module in a dry environment within its specified temperature range to prevent component degradation.
Regularly inspect the GE IC694ALG391 for loose terminal connections or physical damage. Use a dry cloth to clean dust from vents, as accumulated debris can cause overheating. Monitor LED indicators for 异常 statuses, such as a flickering “OK” light, which may signal signal loss or power instability. Test the module’s accuracy annually using a calibrated current source to ensure readings align with factory specifications. For long-term storage, keep the module in a dry environment within its specified temperature range to prevent component degradation.
IC694ALG391
Product Guarantee
Our company offers a one-year quality warranty for the GE IC694ALG391, covering non-human-induced hardware failures. If defects arise, we provide prompt replacement services to minimize downtime. With a 17-year history in industrial control distribution, we maintain a vast inventory of new and discontinued parts, including the GE IC694ALG391, ensuring rapid fulfillment of urgent orders. Our global supply chain network enables efficient sourcing of rare components, supporting customers in maintaining continuous system operations.
For inquiries, contact us via Whatsapp: +86 18859254943 or email: sales@ygplc.com. We are committed to delivering reliable solutions that meet the highest standards of industrial performance.
