The GE Fanuc IC695ALG508, also cataloged as the IC695ALG508 RTD Input Module, operates as a dedicated hardware component for temperature sensor signal conditioning and digitizing within PACSystem RX3i platforms.
| Parameter | Specification |
|---|---|
| Model | IC695ALG508 |
| Brand | GE Fanuc / Emerson |
| Origin | USA |
| Weight | 0.26 kg (0.56 lbs) |
| Dimensions | Standard RX3i single-slot module |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 400 mA at 3.3 VDC, 200 mA at 5.1 VDC (2.5 W max power dissipation) |
| Number of Channels | 8 differential channels (isolated) |
| RTD Input Types | Platinum (385/391.6), Nickel (618/672), Copper (426), Nickel-Iron (518) |
| RTD Wiring | 2, 3, or 4 wire RTD configurations |
| Resistance Input Ranges | 0-260, 0-525, 0-1050, 0-2100, 0-3150, 0-4200 ohms |
| Measurement Units | deg C, deg F, or Ohms |
| Data Format | 16-bit integer (in 32-bit field) or 32-bit real number |
| Configurable Filters | Notch filter selection from 2.3 Hz to 28 Hz |
| Hot-Swap Support | Removal and Insertion Under Power (RIUP) enabled |
The IC695ALG508 communicates over the PCI-based RX3i backplane bus, transferring digitized temperature data to the central processor with optimized bus communication velocity. High I/O density scaling allows eight isolated differential channels to interface independently with 2-, 3-, or 4-wire RTD sensors and direct resistance sources. Dedicated firmware flash compatibility maintains continuous module diagnostics—including RAM, Flash, and hardware watchdog verification—to prevent false signal updates during system operation.
Q: Does the IC695ALG508 support Removal and Insertion Under Power (RIUP)?
A: Yes, the module supports hot-swap operation (RIUP), allowing replacement under active system power without interrupting other modules on the backplane.
Q: What power rails are utilized by the module from the RX3i backplane?
A: The module draws 400 mA from the 3.3 VDC backplane supply rail and 200 mA from the 5.1 VDC backplane supply rail, consuming a maximum power dissipation of 2.5 W.
Q: What RTD wiring configurations are natively supported on each channel?
A: Each of the 8 differential channels can be individually configured for 2-wire, 3-wire, or 4-wire RTD wiring setups via hardware configuration in software.
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