Product Overview
The Honeywell 900B01-0101 is a four-channel isolated analog output module engineered for the Honeywell HC900 and ControlEdge HC900 hybrid controller platforms. As the final link between digital control logic and physical process actuation, the Honeywell 900B01-0101 converts controller commands into precise current signals that drive valves, actuators, variable frequency drives, and other analog field devices. This module occupies a critical position in continuous process control architectures, where signal integrity and reliability directly impact loop performance and product quality.
Within the HC900 system architecture, the Honeywell 900B01-0101 functions as the output interface that translates calculated control values into real-world action. Each of its four channels generates an independent 0 to 21.8 mA current output, user-scalable to any span within that range on a per-channel basis. The module’s channel-to-channel galvanic isolation prevents fault propagation and ground loop interference, ensuring that a disturbance on one field circuit cannot compromise adjacent channels or the controller backplane.
The Honeywell 900B01-0101 supports synchronous output updates with controller execution cycles, ensuring deterministic timing for control loops. A user-configurable failsafe value allows predictable operation when communication between the module and controller is interrupted, driving outputs to a safe state rather than leaving actuators in an undefined position. With 12-bit D/A resolution and accuracy specifications of ±0.1% of full scale, the Honeywell 900B01-0101 delivers the precision required for demanding modulating control applications in chemical, power, and manufacturing environments.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | Honeywell 900B01-0101 |
| Manufacturer | Honeywell |
| Product Type | Analog Output Module |
| Compatible Systems | HC900, ControlEdge HC900 |
| Output Channels | 4 Isolated |
| Output Current Range | 0 to 21.8 mA (User-Scalable) |
| Typical Output Range | 4 to 20 mA |
| D/A Resolution | 12 bits |
| Accuracy | ±0.1% of Full Scale |
| Load Resistance | 750 Ω Maximum |
| Isolation Voltage | 500 VDC Channel-to-Channel; 600 VDC Logic-to-Field |
| Power Consumption | 5 VDC @ 40 mA; 24 VDC @ 200 µA |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions | 137 × 35.6 × 137.16 mm |
| Weight | Approximately 0.4 kg |