8810-HI-TX GE Safety Analog Input Module 4-20 mA HART
Manufacturer: GE Fanuc
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Part Number: 8810-HI-TX
Condition：New with Original Package
Product Type: Analog Input Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE 8810-HI-TX Safety Analog Input Module
The GE 8810-HI-TX, also cataloged as the 8810-HI-TX Safety Analog Input Module, operates as a dedicated hardware component for 4-20 mA loop signal acquisition and HART status pass-through within safety instrumented systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 8810-HI-TX |
| Brand | GE |
| Origin | USA |
| Weight | Standard Safety I/O Module Weight |
| Dimensions | Standard DIN-Rail Mounting Enclosure |
| Operating Temp | -40 deg C to +70 deg C |
| Power Consumption | 70 mA (system), 350 mA (field at 24 VDC) |
| Input Channels | 8 isolated analog channels (2-, 3-, or 4-wire) |
| Signal Range | 4-20 mA nominal (0.25-24 mA full span) |
| Resolution | 16-bit |
| Accuracy | +/-0.1% of span at 25 deg C |
| Update Speed | 25 ms per channel (0.75 s per point HART) |
| Fault Detection | Short circuit (23.5 mA), open circuit (<0.5 mA) |
| Safety Rating | SIL 2 compliant |
| Hazardous Location | Class I, Division 2 certified |
Backplane Bus Communication & Firmware Flash Compatibility
The analog input module executes high-frequency A/D sampling over a 16-bit resolution core, transferring IEEE754 floating-point process variables across deterministic backplane bus communication channels. Internal firmware logic scans each channel every 25 ms, isolating parameter changes while maintaining firmware flash compatibility with upstream safety controllers. Integrated line fault detection circuits continuously evaluate loop impedance, reporting open-circuit and short-circuit threshold breaches directly to system diagnostic registers without interrupting background HART communication acquisition.
Frequently Asked Questions
Q: How does the 8810-HI-TX handle line fault detection during sensor open-circuit conditions?
A: The module logic detects loop current dropping below 0.5 mA, triggering an open-circuit diagnostic state and setting channel fault flags across the internal backplane bus.
Q: What external supply voltage is required to power connected field transmitters?
A: Connected 2-, 3-, or 4-wire loop transmitters draw field power from a regulated 24 VDC supply rail (such as an 8914-PSAC unit), delivering at least 10.2 V at 20 mA to maintain transmitter compliance voltage.
Field Installation Guidelines
Mount the module on an grounded DIN-rail assembly inside a suitable NEMA or IP-rated enclosure approved for Class I, Division 2 environments. Route 4-20 mA signal wires using twisted-pair shielded cabling, ensuring physical separation from high-voltage AC conductors to prevent electromagnetic interference. Terminate cable shields at a single point on the main enclosure ground bar, verify that terminal connection torque matches mechanical specifications, and confirm 24 VDC field power polarity before energizing the system.