GE Fanuc IC695ALG626 HART Module | New & Original Stock
Manufacturer: GE Fanuc
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Part Number: IC695ALG626-CA
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 Fanuc IC695ALG626 Analog Input Module with HART
The GE Fanuc IC695ALG626-CA, also cataloged as the IC695ALG626 Analog Input Module, operates as a dedicated hardware component for converting analog signals into digital values within PACSystems RX3i platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC695ALG626-CA / IC695ALG626 |
| Brand | GE Fanuc (Emerson Automation) |
| Origin | USA |
| Weight | 0.28 kg (0.63 lbs) |
| Dimensions | Standard PACSystems RX3i single-slot module dimensions |
| Operating Temp | 0 to 60 deg C (32 to 140 deg F) |
| Power Consumption | 4.23 W (600 mA @ 3.3 VDC, 450 mA @ 5 VDC backplane draw) |
| Module Type | Non-isolated analog input module with HART communications |
| Channel Count | 16 single-ended or 8 differential input channels |
| Voltage Input Ranges | +/-10 VDC, 0-10 VDC, +/-5 VDC, 0-5 VDC, 1-5 VDC, +/-50 mV, +/-150 mV |
| Current Input Ranges | 4-20 mA, 0-20 mA, +/-20 mA |
| Protocol Support | HART Version 5.0 |
| Module Resolution | 24-bit Analog-to-Digital Converter (ADC) |
| Input Data Format | IEEE 32-bit floating point or 16-bit integer in a 32-bit field |
| Configurable Filters | 8 Hz, 12 Hz, 16 Hz, 40 Hz, 200 Hz, 500 Hz |
| Maximum Overvoltage | +/-60 VDC continuous |
| Maximum Overcurrent | +/-28 mA continuous |
| Input Resistance | Voltage: >100 kOhm; Current: 249 Ohm +/-1% |
| Calibration | Autocalibration executed automatically during power-up |
| Open Circuit Fault Time | 1 second maximum |
4-20 mA HART Loop Protocol and Channel-to-Channel Isolation
The GE Fanuc IC695ALG626 incorporates an integrated HART modem per channel to process digital telemetry superimposed onto standard 4-20 mA HART loop protocol lines. The 24-bit analog-to-digital converter transforms continuous current and voltage waveforms into formatted data registers without disrupting background digital parameter scanning. The hardware utilizes global optocouplers providing 250 VDC channel-to-PLC backplane isolation, though individual paths remain non-isolated from adjacent channels on the common field terminal. Signal processing frequencies are restricted by internal hardware filters configurable down to 8 Hz to eliminate high-frequency cross-talk and industrial line harmonics.
Frequently Asked Questions
Q: How is the onboard current loop resistance managed when configuring a channel for current inputs? A: When a channel terminal is configured for current sensing, the module switches in an internal precision 249 Ohm (+/-1%) shunt resistor. Field wiring must ensure that overcurrent conditions do not exceed the +/-28 mA continuous limit to prevent thermal breakdown of this internal sensing element.
Q: Does the module require manual software calibration routines to maintain its 24-bit resolution accuracy? A: No. The hardware executes an autocalibration sequence automatically upon every power-up cycle. Internal reference voltages are measured against the ADC thresholds to adjust zero and gain offset constants, ensuring stable signal conversion across the 0 to 60 deg C operating boundary.
Field Installation Guidelines
- Terminal Assembly and Power Lockout: Completely isolate the RX3i Universal Backplane power supply and any connected field loops before engaging or disengaging the front terminal connector block to avoid active channel arcing.
- Shield Grounding and Differential Routing: Route all 4-20 mA and low-voltage signal pairs using twisted, shielded instrumentation wire. Terminate the outer copper shield braid exclusively at the central enclosure earth ground bus bar to minimize stray ambient electromagnetic interference.
- Open Circuit Fault Suppression: For any input channels left unpopulated in the final system deployment, configure the respective software registers to disabled. This action suppresses the native 1-second open circuit detection alarm and prevents false hardware alerts from populating the CPU fault table.