Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 900P01-0001 |
| Alternate Part Number | 51450991-001 |
| Manufacturer | Honeywell |
| Product Type | Switching Power Supply Module |
| Compatible System | ControlEdge HC900 / 900 Series |
| Input Voltage | 90–264 VAC (Universal) |
| Input Frequency | 47–63 Hz |
| Output Voltage 1 | +5 VDC (CPU/logic circuits) |
| Output Voltage 2 | +24 VDC (I/O/field devices) |
| Output Current (5V) | 6 A maximum |
| Output Current (24V) | 2 A maximum |
| Total Output Power | 58–60 W continuous |
| Efficiency | >85% typical |
| Protection Features | Overcurrent, overvoltage, short-circuit, thermal shutdown |
| Cooling | Natural convection (no fan) |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions (W × H × D) | Approximately 3.5 × 14 × 14.5 cm |
| Weight | Approximately 0.6 kg |
| Certifications | CE, UL508, CSA, TÜV, RoHS |
| Superseded By | 900P01-0301 |
Main Features and Advantages
Dual-rail DC output architecture: The 900P01-0001 provides two independent regulated outputs, +5 VDC at 6 A for the CPU and logic circuits, and +24 VDC at 2 A for I/O modules and field devices . This separation prevents load fluctuations on the field side from disturbing the stable supply required by the controller’s processing electronics, a design consideration that supports reliable operation in electrically noisy industrial environments.
Universal AC input with global compatibility: The 900P01-0001 accepts any input voltage between 90 and 264 VAC at 47–63 Hz, eliminating the need for voltage selection jumpers or external transformers . This makes the module suitable for deployment across North American, European, and Asian power systems without modification, simplifying spare parts inventory for multi-site operations.
Fanless convection cooling for enhanced reliability: The 900P01-0001 dissipates heat through natural convection, eliminating the cooling fan as a mechanical wear point . This construction increases the module’s mean time between failures compared to fan-cooled alternatives and reduces maintenance requirements, particularly in dusty or contaminated control room environments where fan bearings would degrade prematurely.
Comprehensive protection circuitry: The 900P01-0001 incorporates overcurrent, overvoltage, short-circuit, and thermal shutdown protection . The internal protection circuits automatically limit output current and reset once the fault condition clears, preventing damage to the power supply and downstream modules during field wiring faults or transient overloads.
Integrated test points for rapid diagnostics: The 900P01-0001 features dedicated 5 V and 24 V test jacks located behind a protective door on the module faceplate . Maintenance personnel can verify output voltages with a standard multimeter without disconnecting wiring or removing the module, significantly reducing troubleshooting time during fault diagnosis.