GE Fanuc IC9445D209 Series 90-70 High-Speed Counter Module

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Product Overview:
The GE Fanuc IC9445D209 is a high-performance high-speed counter module for the Series 90-70 PLC platform. This module features 4 independent counter channels, each capable of counting up to 500 kHz, which is 2.5 times faster than the standard 200 kHz modules (IC9445C208). It is designed for the most demanding motion control and measurement applications, such as high-speed spindle encoders, laser interferometers, and ultra-fast packaging lines. The “D209” suffix indicates the 500 kHz / 4-channel configuration.

Technical Specifications:
Series: GE Fanuc Series 90-70 Genius I/O
Number of Channels: 4 Independent High-Speed Counter Channels
Counting Modes: Quadrature (A/B), Up/Down, Pulse + Direction, Event Count, Frequency Measurement
Maximum Frequency: 500 kHz (per channel)
Resolution: 32-bit counter per channel
Input Signal: 5V TTL or 24V DC (configurable)
Input Impedance: 10 kΩ
Isolation: 500V DC channel-to-channel, 500V DC channel-to-logic
Backplane Bus: VMEbus
Power Consumption: < 4.0 Watts
Operating Temperature: 0°C to +60°C
Protection Rating: IP20 (rack mount)

Functional Features:
500 kHz Counting: 2.5x the speed of standard 200 kHz modules, suitable for the fastest encoders.
4 Independent Channels: Four separate encoder/pulse sources counted simultaneously.
Frequency Measurement: Built-in hardware frequency measurement on each channel (resolution 0.1 Hz).
Position Capture: Captures the counter value at the exact moment of a trigger event (hardware timestamp).
High-Speed Compare: Hardware compare against preset with < 1 μs interrupt latency.
Per-Channel Filtering: Programmable digital filter (0.1 μs to 10 ms) per channel.
LED Indicators: 4 sets of status LEDs (A, B, Z, Count) per channel.

Performance Parameters:
Counting Accuracy: ±1 count (at 500 kHz)
Interrupt Latency: < 500 ns (faster than 200 kHz modules)
Position Capture Jitter: < 50 ns
MTBF: > 150,000 hours
Channel-to-Channel Skew: < 50 ns

Material Composition:
Housing: Aluminum die-cast, anodized, heavy-duty EMI shielding
PCB: 8-layer FR-4 High Tg board, impedance-controlled high-speed traces
Counter ASIC: 4x high-speed counter ASICs (custom FPGA/CPLD)
Input Conditioning: High-speed Schmitt triggers with < 10 ns propagation delay
Connectors: 2 x High-density D-Sub 25-pin connectors (2 channels per connector)
LEDs: 16 LEDs total (4 per channel) + Power LED