The Honeywell 900B01-0001 is a high-performance analog output module engineered for the HC900 Control System. Designed to facilitate deterministic process control, this module provides four independent, galvanically isolated channels capable of driving critical field devices such as modulating control valves, actuators, and Variable Frequency Drives (VFDs).
Each channel of the 900B01-0001 is electrically isolated from the system backplane and neighboring channels, effectively eliminating ground loop interference and protecting the controller's central processing logic. The module supports a versatile range of signal types, including 4–20 mA current loops and 0–10 VDC voltage outputs, ensuring seamless integration into diverse industrial automation architectures. Its ruggedized design allows for stable operation in temperatures ranging from -20°C to +70°C, making it suitable for both controlled environments and remote process enclosures.
Detailed hardware and performance parameters for the 900B01-0001:
| Parameter | Specification Details |
| Model Number | 900B01-0001 |
| System Platform | Honeywell HC900 Control System |
| Number of Channels | 4 Fully Isolated Analog Outputs |
| Output Signal Types | 0–20 mA, 4–20 mA, 0–20 V, 0–10 VDC |
| D/A Resolution | 12-bit minimum |
| Isolation | Channel-to-channel and Channel-to-logic (Galvanic) |
| Power Requirements | 24 VDC Nominal (Backplane Powered) |
| Current Consumption | ≤ 10 mA per channel (Internal logic side) |
| Accuracy | ±0.1% of Full Scale typical |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% RH (Non-condensing) |
| Dimensions | 17.8 cm x 7.8 cm x 10.0 cm |
| Weight | 0.72 kg (Shipping weight 1.0 kg) |
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