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The GE Fanuc IC695ALG112, also cataloged as the IC695ALG112 Analog Input Module, operates as a dedicated hardware component for converting analog process signals into digital data records within PACSystems RX3i platforms.

Hardware Specifications

Parameter Specification
Model IC695ALG112
Brand GE Fanuc Emerson
Origin United States
Weight 0.81 lbs (0.37 kg)
Dimensions Single-slot RX3i module profile
Operating Temp 0 to 60 deg C
Power Consumption 4.89 W maximum
Number of Input Channels 8 single-ended input channels
Input Signal Ranges Voltage: 0 to 10 VDC, -10 to +10 VDC, +/-5 VDC, 0 to 5 VDC, 1 to 5 VDC; Current: 0-20 mA, 4-20 mA
ADC Resolution 16-bit resolution
Calibrated Accuracy 0.1% of range at 25 deg C; 0.2% over full temperature range
Input Data Format Configurable as IEEE 32-bit floating point or 16-bit integer in a 32-bit field
Configurable Low-Pass Filters 8 Hz, 12 Hz, 16 Hz, 40 Hz, 250 Hz, 1000 Hz
Input Impedance >500 kOhm (Voltage mode)
Continuous Protection Limits Overvoltage: +/-35 VDC; Overcurrent: +/-35 mA

Backplane Bus Communication Velocity and Predictive Diagnostics

The IC695ALG112 maximizes backplane bus communication velocity across RX3i backplane architectures, transferring 16-bit converted analog data directly to CPU memory tables without scan-time degradation. Integrated predictive diagnostic routines execute continuous error checking during initial startup and runtime operation to verify channel integrity. Full firmware flash compatibility allows field-upgrades of module flash memory, ensuring seamless integration with deterministically scaled I/O layouts and software-configurable parameter tables without hardware jumper settings.

Frequently Asked Questions

Q: Does the IC695ALG112 analog input module require hardware jumpers for input range selection?

A: No. The IC695ALG112 is entirely software-configurable through Proficy Machine Edition, eliminating the need for physical jumper switches when setting voltage or current ranges.

Q: How do the software-configurable digital filters impact channel step-response settling time?

A: The step-response settling time to 0.1% of final value varies by selected filter frequency: 127 ms at 8 Hz, 67 ms at 12 Hz, 56 ms at 16 Hz, 21 ms at 40 Hz, 3.1 ms at 250 Hz, and 1.7 ms at 1000 Hz.

Q: What is the open-circuit detection threshold when a signal wire breaks on a 4-20 mA loop?

A: The module executes open-circuit detection with a maximum response time of 1 second, raising channel fault flags to the RX3i CPU.

Field Installation Guidelines

  1. Shut off backplane power to the PACSystems RX3i chassis before inserting or extracting the IC695ALG112 module.
  2. Align the module housing with the card guide rails of the target RX3i backplane slot and press firmly until the rear backplane connectors engage.
  3. Wire signal transmitters using shielded twisted-pair cabling to minimize industrial electromagnetic noise coupling.
  4. Connect cable drain wires to the designated system shield ground bus at one end only to prevent ground loop currents across the analog circuit.
  5. Apply power and download the hardware configuration file from Proficy Machine Edition to establish channel range types, filter frequencies, and reporting formats.

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