Description
Key Technical Specifications
- Model Number: GE IC694ALG222
- Manufacturer: GE Fanuc (PACSystems)
- Series: RX3i / 90-30 Compatible
- Module Type: 8-Channel Universal Analog Input
- Resolution: 16-bit Single-ended / 15-bit + Sign
- Converter Type: Delta-Sigma (ΔΣ) ADC
- Voltage Range: ±10V, 0-10V, 0-5V, 1-5V
- Current Range: 0-20mA, 4-20mA, 4-0mA
- Input Impedance: 220kΩ (Voltage), 250Ω (Current)
- Backplane Power: 120mA @ 5VDC, 70mA @ 24VDC
Functional Role & Application Analysis
The GE IC694ALG222 is an 8-channel universal analog input module designed for PACSystems RX3i and 90-30 series PLCs. Its primary role is to acquire high-precision continuous process variables from field instruments. The “universal” designation means you can configure each channel individually for either voltage or current signals using software, eliminating the need for hardware jumpers.
This module solves the problem of signal accuracy and noise rejection in electrically noisy industrial environments. It utilizes a Delta-Sigma converter, which provides excellent common-mode rejection (>60dB) and high resolution. This makes it ideal for applications requiring precise measurement of temperature, pressure, flow, or level signals.
- Use Case 1: Precision temperature monitoring using 4-20mA transmitters in chemical processing reactors.
- Use Case 2: Multi-variable pressure and flow measurement in water treatment filtration systems.
- Use Case 3: Legacy system maintenance and replacement for existing Series 90-30 analog I/O racks.
Our Quality Standard & Testing Process
We understand that the cost of an unreliable part is far greater than its purchase price. A faulty analog input can cause a process controller to make incorrect decisions. We have established a rigorous, multi-stage testing process to ensure every GE IC694ALG222 we ship is 100% functional.
- Visual & Component Inspection: All modules undergo professional cleaning and visual inspection to ensure no physical damage, corrosion, or compromised components.
- Live System Test: The module is installed in a live PACSystems RX3i test rack and run for a minimum of 24 hours to verify continuous operation and backplane communication.
- Full-Function Diagnostics: We apply precision voltage and current signals to all 8 channels to verify 16-bit conversion accuracy, scaling, and fault detection (over-range/under-range).
- Warranty Backing: Only parts that pass all diagnostic tests are approved for shipment and backed by our full 12-month warranty.
GE-IC694ALG222
Compatibility & Migration Paths
To ensure this GE IC694ALG222 is 100% compatible with your system, you must check these key compatibility points. Failure to verify this is a common project risk that can lead to extended downtime.
- Baseplate Compatibility: This module is designed for the IC694CHS392 (12-slot) or IC694CHS398 (8-slot) baseplates. It is NOT compatible with Series 90-30 baseplates directly without a carrier.
- Software Configuration: You must use Proficy Machine Edition (PME) or LogicMaster 90-30 to configure channel types. Hardware DIP switches are NOT used on this module.
- Replacement & Alternatives: The IC694ALG222 is a direct replacement for the older IC693ALG222 (Series 90-30). If you need higher channel density, consider the IC694ALG223 (16-channel version).
- Get Expert Help: Unsure about your baseplate or software version? Contact our technical team today for a free compatibility check.
