High Speed Counter Module | GE Fanuc IC695HSC304 RX3i
Manufacturer: GE Fanuc
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Part Number: IC695HSC304
Condition：New with Original Package
Product Type: CPU Processors
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE Fanuc IC695HSC304 PACSystems RX3i High Speed Counter Module
The GE Fanuc IC695HSC304, also cataloged as the IC695HSC304 High Speed Counter Module, operates as a dedicated hardware component for processing high-frequency pulse train inputs directly from optical quadrature encoders, flow meters, and proximity switches within PACSystems RX3i backplane racks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC695HSC304 |
| Brand | GE Fanuc |
| Origin | Japan |
| Weight | 0.34 kg (0.75 lbs) |
| Dimensions | Standard RX3i Single-Slot Form Factor |
| Operating Temp | 0 deg C to 60 deg C |
| Power Consumption | 0.8 A at +5 VDC (Backplane current: 80 mA at 5 VDC, 125 mA at 24 VDC) |
| Counter Channels | 4 Independent Counter Channels |
| Counter Modes | Type A, B, C, D, E, Z, Quadrature, Frequency, Totalizing |
| Physical Input Channels | 8 High-Speed Differential Inputs |
| Physical Output Channels | 7 or 8 High-Speed Transistor Outputs |
| Maximum Input Frequency | Up to 1.5 MHz (Quadrature) / Up to 5 MHz (Pulse) |
| Counting Range | 32-bit Signed Integer (-2,147,483,648 to +2,147,483,647) |
| Input Voltage Ratings | 5 VDC, 12 VDC to 24 VDC (35 VDC Peak) |
| Output Voltage Range | 4.7 VDC to 40 VDC |
| Output Current Rating | 0.5 A to 1.5 A per Channel (10.5 A max per Module) |
| Output Response Time | <= 2 us to <= 100 us (Compare Output Switching) |
| Channel Isolation | 1500 V RMS Channel-to-Backplane |
Deterministic Backplane Execution & Processing Performance
Engineers integrate the GE Fanuc IC695HSC304 high-speed counter into RX3i backplane chassis slots to achieve hardware-level pulse counting without increasing CPU cycle times. Internal counter logic manages high-frequency differential signal decoding independently, scaling input count values while preserving overall backplane bus communication velocity across real-time control networks. The card manages high-density pulse data and updates hardware compare outputs deterministically, ensuring firmware flash compatibility across legacy and modern PACSystems platforms.
Frequently Asked Questions
Q: How does the module handle high-speed position comparison without relying on the CPU scan?
A: The onboard hardware compare logic continuously matches the 32-bit counter register value against pre-configured target thresholds, triggering physical transistor outputs in less than 100 us without waiting for the CPU scan cycle.
Q: What input signal configurations are supported for encoder feedback loops?
A: The 8 differential high-speed inputs accept standard single-ended or differential signals at 5 VDC, 12 VDC, or 24 VDC levels, allowing direct connection to incremental A/B/Z quadrature encoders.
Field Installation Guidelines
Technicians must seat the module into an open RX3i chassis slot while backplane power is turned off. All high-speed signal connections to encoders or field sensors must utilize twisted shielded pair cables, with the cable braid grounded at a single point near the enclosure entry. To prevent electrical interference on high-frequency pulse streams, keep pulse signal wiring strictly physically isolated from high-voltage AC lines and inductive motor cables.