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Honeywell 900B01-0301 Analog Output Module 4 Channel

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  • Vendor:

    Honeywell

  • Type:

    I/O Module

  • Tags I/o module

About the Product

Honeywell 900B01-0301 Analog Output Module

The 900B01-0301 is a 4-channel Analog Output module from Honeywell. It provides isolated 0-20 mA current outputs for controlling valves, drives, and other process actuators.

Technical Specifications

  • Brand & Model: Honeywell 900B01-0301
  • Product Type: Analog Output Module
  • Channels: 4 isolated current outputs
  • Output Range: 0 to 21.8 mA (user-scalable)
  • Load Resistance: Up to 750 Ω maximum
  • Isolation: 500 VDC channel-to-channel, 600 VDC to logic
  • Resolution: 12-bit D/A converter
  • Update Rate: Synchronous with I/O scan (min 500 ms)

Accuracy & Performance

  • Accuracy: 0.1% of full scale at reference conditions
  • Minimum Current Sensing: > 3.5 mA per output for verification
  • Output Verification: Feedback to controller confirms actual output current
  • Calibration: Redundant factory data stored in non-volatile memory

Safety & Diagnostics

  • Failsafe Mode: User configurable (Hold Last Value or Set to Failsafe Value)
  • Diagnostics: Monitors calibration, configuration, and 24V DC supply
  • LED Indicators: Green (scanning), Red (module/channel fault)
  • Slew Rate Control: User-defined maximum rate of change per execution cycle

System Integration

  • Modules per Rack: Up to 10 (12 with temperature derating)
  • Designed for Honeywell control system racks
  • Outputs updated in sync with controller execution

Typical Applications

  • Control valve positioning
  • Variable speed drive control
  • Process setpoint output

Packaging & Shipping

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

FAQ

  • Output type? Isolated 0-20 mA current source (expandable to 21.8 mA).
  • Load limit? Maximum 750 Ω load resistance per channel.
  • Failsafe function? Yes, can hold last value or go to a user-defined safe value on comms loss.
  • Isolation rating? 500 VDC between channels, 600 VDC to system logic.
  • How many per rack? Up to 10 modules standard, 12 with ambient temperature derating.


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  • Warranty: NexAuto offers a 12-month warranty on all parts purchased from us, in addition to any manufacturer coverage.
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  • Custom Calibration: Provide your specifications, and we’ll handle the rest with precision.
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