Brand:GE Fanuc PLC Item No.:IC694ALG221A Product Origin:USA Product Dimensions:202 × 21 × 261 mm Product Weight:0.30 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The GE IC694ALG221A Analog Input Module is a high-performance current input solution designed for GE PACSystems RX3i automation platforms. It enables PLC controllers to collect accurate analog signals from industrial instrumentation, converting field measurements into digital data for monitoring, regulation, and process optimization.
Featuring four differential current input channels and support for both 4–20 mA and 0–20 mA signal standards, the IC694ALG221A provides engineers with a flexible interface for integrating sensors, transmitters, and measurement equipment into modern control systems.
With dependable conversion performance, industrial-grade protection, and compatibility with RX3i architectures, the IC694ALG221A is a practical choice for automation upgrades, process control systems, and long-term PLC maintenance projects.
PACSystems RX3i 4-Channel Analog Current Input Module
IC694ALG222
PACSystems RX3i Analog Voltage/Current Input Module
Where It Excels in Industrial Use
• Designed for GE PACSystems RX3i PLC platforms, the IC694ALG221A provides accurate analog current signal acquisition for industrial automation systems requiring dependable process monitoring and closed-loop control.
• Suitable for process industries, manufacturing equipment, energy systems, water treatment applications, and automated machinery where transmitters and instrumentation devices provide standard current-loop feedback signals.
• Ideal for connecting 4–20 mA and 0–20 mA field instruments such as pressure transmitters, flow meters, level sensors, and industrial monitoring devices.
• Commonly applied in RX3i control architectures where engineers require compact analog input capability, stable signal conversion, and efficient use of PLC rack space.
Key Strengths at a Glance
• Provides four differential analog current input channels, allowing multiple field measurement devices to be integrated into one compact RX3i module.
• Supports selectable 4–20 mA and 0–20 mA input ranges, providing compatibility with widely used industrial instrumentation standards.
• Delivers 12-bit signal conversion resolution with fast channel update performance for accurate process data acquisition.
• Includes optical isolation, input protection, and diagnostic indication features to improve system reliability in electrically demanding industrial environments.
Technical FAQs
1. What type of module is the GE IC694ALG221A?
The GE IC694ALG221A is a 4-channel analog current input module designed for PACSystems RX3i PLC systems.
2. How many analog input channels does the IC694ALG221A provide?
The module provides four differential analog current input channels for monitoring industrial current-loop signals.
3. What input signals are supported by the IC694ALG221A?
The module supports 0–20 mA and 4–20 mA analog current input signals from compatible field devices.
4. What type of devices can be connected to the IC694ALG221A?
The module can connect to industrial transmitters, sensors, converters, isolators, and other devices that provide standard analog current outputs.
5. What resolution does the IC694ALG221A provide?
The module provides 12-bit analog-to-digital conversion with approximately 4 µA/count resolution for 4–20 mA signals and 5 µA/count for 0–20 mA signals.
6. Does the IC694ALG221A require an external power supply?
Yes. Depending on the backplane installation type, the module may require an external 24 VDC supply connection for operation.
7. How is the input range configured on the IC694ALG221A?
The input range is configured using range jumpers, with one jumper controlling channels 1–2 and another controlling channels 3–4.
8. What is the update rate of the IC694ALG221A?
The module provides an update rate of approximately 2 milliseconds for all four channels.
9. Does the IC694ALG221A provide signal isolation?
Yes. The module provides electrical isolation between field wiring and the PLC backplane to improve noise immunity and protection.
10. What should be checked before replacing an IC694ALG221A module?
Engineers should verify RX3i compatibility, analog signal range, field wiring configuration, power requirements, and PLC hardware settings before replacement.
