IC694ALG442 GE PACSystems RX3i Mixed Analog I/O Modules
Manufacturer: GE Fanuc
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Part Number: IC694ALG442
Condition：New with Original Package
Product Type: Mixed Analog I/O Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE Fanuc IC694ALG442 PACSystems RX3i Mixed Analog I/O Module
The GE Fanuc IC694ALG442, also cataloged as the IC694ALG442 Mixed Analog I/O Module, operates as a dedicated hardware component for simultaneous analog signal acquisition and loop control execution within PACSystems RX3i platforms. The assembly incorporates four differential analog input channels and two single-ended analog output channels, supporting user-selectable voltage (0 to +10 VDC, -10 VDC to +10 VDC) and current (0 to 20 mA, 4 to 20 mA) operating modes at 12-bit resolution. An input conversion response of 2 ms per cycle enables continuous processing of transducer feedback and loop actuation across the system backplane.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC694ALG442 |
| Brand | GE Fanuc |
| Origin | United States |
| Weight | 1.27 kg |
| Dimensions | 178 mm x 101 mm x 76 mm |
| Operating Temp | 0 deg C to +60 deg C |
| Power Consumption | 95 mA @ 5 VDC, 150 mA @ 24 VDC |
| Input Channels | 4 differential analog inputs |
| Output Channels | 2 single-ended analog outputs |
| Voltage Ranges | 0 to +10 VDC, -10 VDC to +10 VDC |
| Current Ranges | 0 to 20 mA, 4 to 20 mA (Enhanced 4-20 mA mode supported) |
| Resolution | 12-bit |
| Input Conversion Time | 2 ms |
| Galvanic Isolation | Channel-to-channel and channel-to-system isolation |
| Certifications | UL, UL HAZLOC, CE, ATEX C1D2, ABS, BV, DNV, GL |
Backplane Bus Communication & I/O Density Scaling
The module transfers digitized field data across the PACSystems RX3i backplane bus using high-velocity deterministic protocol scans, synchronizing I/O memory tables directly with controller execution loops. Native firmware flash compatibility allows online parameter configuration, ramp control assignment, and open-wire diagnostic monitoring per channel. Combining differential analog inputs and analog outputs on a single physical baseplate slot optimizes I/O density scaling, reducing chassis backplane requirements while maintaining full channel-to-channel and channel-to-system galvanic isolation against noise interference.
Frequently Asked Questions
Q: How does the IC694ALG442 indicate a field wiring breakage on 4 to 20 mA current input channels?
A: The module executes open-wire detection algorithms during current loop operation, raising internal diagnostic fault flags and illuminating channel status indicators when loop continuity drops below valid thresholds.
Q: Can the IC694ALG442 module be replaced while the PACSystems RX3i backplane remains powered?
A: Yes, the module supports hot-swappable installation within RX3i chassis environments, allowing hot insertion and removal under backplane power without interrupting active controller execution or adjacent I/O cards.
Field Installation Guidelines
Begin installation by isolating power to all field loop devices connected to the terminal block. Align the module base hook with the lower mounting slot of the assigned RX3i baseplate rack, rotating the top upward until the release latch firmly snaps onto the backplane. Secure all signal wiring using shielded twisted-pair cables, grounding the overall shield drain wire at a single point on the main enclosure earth busbar. Maintain physical separation between analog signal conduits and high-voltage AC power lines by at least 200 mm to suppress inductive noise coupling. Confirm that enclosure cabinet cooling provides uninhibited convective airflow around the module frame to keep ambient operating temperatures below +60 deg C.