Description
The Honeywell 621-0008 is a specialized Pulse Input Module (PIM) used in Honeywell’s 620/621 Distributed Control Systems (DCS). It captures high-frequency digital pulses from field devices such as flow meters, proximity switches, and encoders, converting them into countable data for process monitoring and control.
Specifications
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Model: 621-0008
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Function: Pulse Input Module (PIM)
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Input Channels: 8
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Voltage Range:
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5V setting: 4.5–9 VDC
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24V setting: 10–32 VDC
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48V setting: 32–60 VDC
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Total Input Range: 5–60 VDC
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Frequency Range: Up to 100 kHz
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Counter Type: 16-bit up counter per input
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Max Count Capacity: 65,535 per channel
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Dimensions: 3.0 cm × 26.7 cm × 17.3 cm
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Weight: 0.4 kg
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Mounting: Rack or panel
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Country of Origin: USA
Features
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High-Speed Pulse Capture: Supports up to 100,000 pulses per second
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Multi-Voltage Input: Configurable for 5V, 24V, or 48V signal sources
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Independent Counters: Each input channel has its own 16-bit counter
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Flexible Integration: Compatible with a wide range of field devices
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Compact Design: Slim profile for efficient cabinet installation
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Industrial Reliability: Built for continuous operation in harsh environments
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OEM Quality: Factory-tested and certified for Honeywell DCS platforms
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