900K01-0201 4-Channel Pulse I/O Module by Honeywell

Honeywell 900K01-0201 Pulse/Frequency Module

The 900K01-0201 is a versatile 4-channel Pulse/Frequency module from Honeywell. Each channel can be configured as pulse input, frequency input, or pulse output for various counting and timing applications.

Technical Specifications

• Brand & Model: Honeywell 900K01-0201
• Product Type: Pulse/Frequency I/O Module
• Channels: 4 configurable channels
• Input Voltage: 0-24 V DC
• Digital Output: Open collector, 5-24V, 30 mA max
• LED Indicators: Green (scanning), Red (fault)

Pulse Input Mode

• Frequency: Up to 10 kHz maximum
• Counter: 32-bit pulse counter
• Preset Action: Configurable ON/OFF with digital output control
• Logic Levels: ON: ≥3.0V, OFF: ≤1.0V
• Minimum Pulse: 3 μsec width
• Features: Counter HOLD, RESET, OVERFLOW flag

Frequency Input Mode

• Range: 10 Hz to 100 kHz
• Logic Levels: ON: ≥3.0V, OFF: ≤1.0V
• Input Impedance: 25 kΩ
• Output: Digital signal for out-of-range detection

Pulse Output Mode

• Frequency: 25 Hz to 10 kHz
• Duty Cycle: Fixed 50%
• Output Type: Open collector (5-24V, 30 mA)
• Duration: Continuous or numbered pulses
• Note: Using channel for output disables its input function

Key Features

• Per-channel configuration (input or output)
• 32-bit counter with preset function
• High-speed operation up to 100 kHz
• Industrial 0-24V DC signal compatibility
• Quadrature mode not supported in current release

Typical Applications

• Flow meter pulse counting
• Motor speed measurement
• Production counting
• Timed output control

Packaging & Shipping

• New unit in factory packaging
• Worldwide shipping via FedEx, UPS, DHL

FAQ

• Channel flexibility? Each of 4 channels configurable as pulse in, frequency in, or pulse out.
• Maximum frequency? 100 kHz input, 10 kHz output.
• Counter size? 32-bit pulse counter (over 4 billion counts).
• Output type? Open collector requires external pull-up resistor.
• Quadrature support? Not supported in current firmware release.

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