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Configured for high-frequency pulse processing in PACSystem RX3i platforms, the GE Fanuc IC695HSC304 (IC695HSC304 High-Speed Counter Module) provides direct physical/electrical execution.

Hardware Specifications

Parameter Specification
Model IC695HSC304
Brand GE Fanuc / Emerson
Origin USA
Weight 0.34 kg (0.75 lbs)
Dimensions Standard RX3i single-slot module
Operating Temp 0 to 60 deg C
Power Consumption Standard backplane power requirements
Number of Counter Channels 4 independent counter channels
Physical Inputs 8 high-speed inputs (5 VDC, 12 to 24 VDC, 35 VDC peak)
Physical Outputs 7 high-speed outputs (4.7 to 40 VDC)
Maximum Count Rate 1.5 MHz
Internal Sampling Rate 40 MHz
Output Current Rating 1.5 A per channel; 10.5 A total per module
Configurable Counter Modes Type A, B, C, D, E, Z

Backplane Bus Communication Velocity & I/O Density Scaling

The IC695HSC304 links directly to the PACSystem RX3i backplane bus, transferring synchronized high-frequency counter accumulation data and discrete state evaluations back to the main processor. Utilizing a 40 MHz internal sampling rate alongside a 1.5 MHz maximum counting velocity across 4 independent channels, the module provides high I/O density scaling with 8 physical inputs and 7 physical outputs. Firmware flash compatibility ensures seamless dynamic parameter updates from the CPU during initialization and runtime operation.

Frequently Asked Questions

Q: What are the input voltage levels supported by the IC695HSC304 high-speed inputs?

A: The physical inputs support 5 VDC as well as 12 to 24 VDC nominal signal levels, with a maximum peak input voltage threshold of 35 VDC.

Q: What is the maximum output current capacity per channel and per module?

A: Each physical output channel supports up to 1.5 A, with a total cumulative output rating of 10.5 A across all outputs on the module.

Q: Which counting modes can be configured on the IC695HSC304 module?

A: The module's four independent counter channels can be software-configured for Type A, B, C, D, E, and Z operating modes.

Field Installation Guidelines

  1. Turn off power to the RX3i rack prior to installing or removing the IC695HSC304 module to prevent electrical damage to backplane pin connections.
  2. Ensure the module chassis is fully seated in its baseplate slot with top and bottom retaining clips locked securely in place.
  3. Wire high-speed input sensors using shielded twisted-pair cables, grounding cable shields at a single ground point to suppress electromagnetic noise.
  4. Separate field signal wiring and high-speed output lines from high-voltage AC circuits and variable frequency drive output conduits.

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