GE Fanuc IC694ALG391 PACSystems RX3i Analog Output Modules
Manufacturer: GE Fanuc
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Part Number: IC694ALG391
Condition：New with Original Package
Product Type: Analog Output Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE Fanuc IC694ALG391 PACSystems RX3i Analog Output Module
Configured for high-precision analog loop drive in PACSystems RX3i platforms, the GE Fanuc IC694ALG391 (IC694ALG391 Analog Output Module) provides direct physical/electrical execution. The hardware generates four independent, isolated bipolar voltage signals spanning -10 VDC to +10 VDC at 16-bit resolution to actuate speed drives, control valves, and field positioning equipment. Operating with a 5 ms per-channel update rate, the module features channel-to-channel isolation to eliminate ground loop currents and field-side electrical interference. Diagnostic firmware provides real-time overrange/underrange detection, high/low alarms, and configurable ramp rate controls.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC694ALG391 |
| Brand | GE Fanuc |
| Origin | United States |
| Weight | Standard RX3i module weight |
| Dimensions | Single-slot RX3i module form factor |
| Operating Temp | 0 deg C to 60 deg C |
| Power Consumption | 32 mA @ 5 VDC, 120 mA @ 24 VDC |
| Output Channels | 4 isolated analog voltage channels |
| Output Range | -10 VDC to +10 VDC |
| Resolution | 16-bit |
| Update Rate | 5 ms per channel |
| Isolation | Channel-to-channel and channel-to-backplane isolation |
| Certifications | UL, UL HAZLOC, CE, ATEX Zone 2, ABS, BV, DNV, GL, KRS, LR |
Backplane Bus Communication & Hot-Swap Execution
The module interfaces directly with the PACSystems RX3i backplane bus, leveraging high-velocity deterministic data transfer cycles to synchronize output tables with CPU execution scans. Active firmware flash compatibility ensures direct parameter configuration and diagnostic status reporting from the engineering workstation without external gateway hardware. High I/O density scaling enables flexible allocation across local and expansion racks. Built on RX3i hot-swap architecture, the unit allows module insertion and removal under full backplane power without interrupting adjacent I/O execution or degrading bus communication integrity.
Frequently Asked Questions
Q: Does the IC694ALG391 module support hot-swapping while the RX3i backplane remains energized?
A: Yes, the module supports hot-swapping on the PACSystems RX3i platform, enabling technicians to insert or remove the hardware without powering down the rack or disrupting adjacent operational modules.
Q: How does channel-to-channel isolation benefit signal integrity across the four voltage outputs?
A: Electrical isolation between output channels prevents ground potential differences and stray electromagnetic noise on one field circuit from cross-talking into or degrading adjacent output voltage signals.
Field Installation Guidelines
Verify that the target RX3i rack slot is free of debris before inserting the module. Align the card with the upper and lower slot guides of the backplane, pressing firmly until the module connector seats completely into the backplane bus. Secure the top and bottom retention latches to prevent mechanical dislocation under vibration. Wire field connections using shielded, twisted-pair conductors, terminating signal shields at a single chassis ground lug on the rack frame to minimize ground loop noise. Maintain field cable separation from high-voltage AC conductors within the panel trough by at least 200 mm. Ensure cabinet ventilation maintains ambient operating temperatures between 0 deg C and 60 deg C under non-condensing relative humidity conditions up to 95%.