Honeywell ControlEdge HC900 900B01-0101 Analog Output Card

Overview
The Honeywell 900B01-0101 Analog Output Module is a precision output card designed for the ControlEdge HC900 process controller. It provides four individually isolated analog outputs, ensuring reliable signal control for actuators, valves, and other analog-driven devices in process automation environments. With built-in diagnostics, calibration memory, and user-configurable parameters, this module delivers superior performance and flexibility in demanding industrial applications.

Technical Specifications

• Manufacturer: Honeywell

• Model Number: 900B01-0101

• Product Type: Analog Output Module

• System Compatibility: ControlEdge HC900 and 900 Series platforms

• Number of Outputs: 4 isolated channels

• Output Range: 0 to 21.8 mA (user-selectable)

• Accuracy: ±0.1% of full scale under reference conditions

• D/A Resolution: 12 bits

• Load Resistance: Up to 750 Ω per channel

• Galvanic Isolation:

• 500 VDC between channels

• 600 VDC between field and logic circuits

• Minimum Current Detection: >3.5 nA per output

• Failsafe Output: User-programmable defined value

• Power Consumption:

• 5 VDC, 40 mA max

• 24 VDC, 200 µA max

• Diagnostics:

• Factory and field calibration monitoring

• Power supply supervision

• Output current verification feedback

• Calibration Storage: Non-volatile memory; supports redundant factory and user calibration

• Synchronization: Synchronous output updates with controller scan

• Modules per Rack: Up to 10 (12 with temperature de-rating)

Key Features

• High-Precision Control: Supports fine current adjustments for analog actuators.

• Isolated Outputs: Channel-to-channel and system isolation improve signal integrity.

• Smart Diagnostics: Provides feedback to the controller for calibration and fault status.

• Field Configurable: Allows custom output limits, failsafe states, and rate control.

• Non-Volatile Calibration Memory: Retains settings even during power loss.

• Robust Integration: Designed for seamless installation within Honeywell HC900 racks.

Application Scenarios
The 900B01-0101 is commonly used in distributed process control systems, including chemical plants, refineries, power generation, and manufacturing automation. Its precise current output control makes it ideal for proportional valve actuation, analog drive regulation, and PID-based process loops.

FAQ
Q: Can the 900B01-0101 be used with legacy Honeywell platforms?
A: It is optimized for the ControlEdge HC900 and is compatible with the 900 Series family.

Q: Does this module include calibration memory?
A: Yes, it stores both factory and field calibration data in non-volatile memory.

Q: What happens if communication is lost?
A: The module automatically drives outputs to a user-defined failsafe value for safe operation.