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The GE Fanuc IC695ALG626, also cataloged as the IC695ALG626 Non-isolated Analog Input Module, operates as a dedicated hardware component for multi-channel voltage/current signal processing and HART transducer communication within PACSystems RX3i platforms.

Hardware Specifications

Parameter Specification
Model IC695ALG626
Brand GE Fanuc Emerson
Origin USA
Weight 0.63 lbs (0.28 kg)
Dimensions Single-slot PACSystems RX3i module width
Operating Temp 0 to 60 deg C (32 to 140 deg F)
Power Consumption 600 mA at 3.3 VDC; 450 mA at 5 VDC
Input Channel Count 16 single-ended or 8 differential channels
Current Signal Ranges 0 to 20 mA, 4 to 20 mA, +/-20 mA
Voltage Signal Ranges +/-10 VDC, 0 to 10 VDC, +/-5 VDC, 0 to 5 VDC, 1 to 5 VDC, +/-50 mV, +/-150 mV
Digital Resolution 24-bit ADC converted to floating point IEEE 32-bit or 16-bit integer
Current Input Resistance 249 ohms +/-1%
Voltage Input Impedance >100 kohms
Configurable Input Filters 8 Hz, 12 Hz, 16 Hz, 40 Hz, 200 Hz, 500 Hz
HART Protocol Support HART Version 5.0 with 4 internal HART modems
Maximum Input Limits Continuous overvoltage: +/-60 VDC; Continuous overcurrent: +/-28 mA
Operating Humidity 5 to 95%, non-condensing

Backplane Bus Communication Velocity & I/O Density Scaling

The IC695ALG626 enhances backplane bus communication velocity across the PACSystems RX3i universal backplane by executing 24-bit analog-to-digital conversions directly into 32-bit floating point or integer memory structures. Configured for I/O density scaling, the single-slot footprint provides up to 16 single-ended or 8 differential input channels alongside 4 embedded HART modems for digital pass-through data acquisition. Module parameters feature full software configuration without jumpers, while onboard firmware flash compatibility supports startup autocalibration, open circuit fault detection, and real-time high/low limit alarms.

Frequently Asked Questions

Q: What power rails are drawn from the RX3i backplane by the IC695ALG626?

A: The module draws 600 mA from the internal 3.3 VDC bus rail and 450 mA from the internal 5 VDC bus rail.

Q: Does the IC695ALG626 support hot-swapping on the PACSystems RX3i backplane?

A: Yes, the hardware supports insertion and removal under power (hot-swapping) when installed in a PACSystems RX3i universal backplane.

Q: What specific input range is required when utilizing HART communication?

A: Channels utilizing HART Version 5.0 digital communications must be software-configured for the 4 to 20 mA current range.

Field Installation Guidelines

  1. Verify that the target rack location is on a PACSystems RX3i universal backplane prior to inserting the module.
  2. Align the module housing with the backplane guide slots and press firmly until the backplane bus connector fully engages.
  3. Wire field transmitters to the removable terminal block (TB), maintaining isolated signal paths for 4-20 mA HART loop protocol connections.
  4. Attach the removable terminal block to the front of the module, ensuring the terminal block detector latches completely to activate field-side status logic.
  5. Route low-level analog wiring in dedicated raceways separated from power cables, connecting cable shielding at a single grounding terminal.

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