GE Fanuc IC9445C208 Series 90-70 High-Speed Counter Module

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Product Overview:
The GE Fanuc IC9445C208 is a high-speed counter module for the Series 90-70 PLC platform. This module provides 8 independent counter channels, each capable of counting up to 200 kHz. It is designed for applications requiring a high density of pulse counting, such as multi-axis servo systems, flow totalization with multiple meters, and event logging systems. The “C208” suffix denotes the 8-channel configuration with 200 kHz per-channel capacity.

Technical Specifications:
Series: GE Fanuc Series 90-70 Genius I/O
Number of Channels: 8 Independent High-Speed Counter Channels
Counting Modes: Quadrature (A/B), Up/Down, Pulse + Direction, Event Count
Maximum Frequency: 200 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: < 5.0 Watts
Operating Temperature: 0°C to +60°C
Protection Rating: IP20 (rack mount)

Functional Features:
8 Independent Channels: Count 8 different encoder or pulse sources simultaneously.
32-Bit Resolution: Each channel has its own 32-bit counter, providing a range of over 4 billion counts.
Per-Channel Configuration: Each channel can be independently configured for counting mode, input filter, and preset value.
Hardware Interrupts: Each channel can generate a hardware interrupt when its preset is reached.
Batch Operations: Supports batch loading of preset values across multiple channels for synchronized motion.
LED Indicators: 8 sets of status LEDs (one per channel) on the front panel.

Performance Parameters:
Counting Accuracy: ±1 count (at 200 kHz)
Interrupt Latency: < 1 μs
MTBF: > 150,000 hours
Channel-to-Channel Skew: < 100 ns (simultaneous counting across all 8 channels)

Material Composition:
Housing: Aluminum die-cast, anodized, EMI shielded
PCB: 8-layer FR-4 High Tg board
Counter ASIC: 8 independent counter ASICs (one per channel)
Connectors: 4 x High-density D-Sub 25-pin connectors (2 channels per connector)
LEDs: 32 LEDs total (4 per channel: A, B, Z, Count)