Product Core Brief
- Model: 396352-01-4
- Brand: Honeywell
- Series: TDC System / Industrial Automation
- Core Function: Provides dual redundant power supply with independent voltage regulation for system racks.
- Product Type: Power Supply Module
- Key Specs: Dual Redundant | Internal Diagnostics | Short Circuit Protection
- Condition: New Original (New Surplus)
Product Introduction
The Honeywell 396352-01-4 is a power supply module designed for industrial automation and TDC system racks. It operates in a dual redundant configuration where two modules can independently handle the full power load of the entire rack.
This unit features internal diagnostic circuits that continuously monitor output voltage ranges and over-temperature conditions. The Honeywell 396352-01-4 ensures system reliability by isolating short circuits to individual sub-circuits without affecting the main power bus.
Honeywell 396352-01-4
Key Technical Specifications
| Parameter | Value |
|---|---|
| Module Type | Power Supply Module |
| Redundancy | Dual Redundant Operation |
| Internal Diagnostics | Voltage Range & Over-Temperature |
| Protection | Independent Sub-Circuit Short Circuit Isolation |
| Voltage Regulation | Dual Independent Regulators per Sub-Circuit |
| Mounting | Rack Backplane with Independent Power Rails |
| System Application | TDC / Industrial Automation |
| Operating Temp | Standard Industrial Range |
| Dimensions | Standard Rack Module Form Factor |
| Certifications | Industrial Automation Standards |
Quality Control Process (Engineer’s Perspective)
We don’t just box these and ship them. Here is our actual bench test workflow.
- Incoming Verification: We verify the serial number against Honeywell’s traceability records. A visual inspection checks for heat damage on the backplane connectors and ensures the power rail contacts are clean.
- Live Functional Test: We mount the unit in a test rack and verify the dual redundant handshake. We simulate a load and confirm the internal diagnostic circuits accurately report voltage and temperature status.
- Electrical Parameter Test: We perform a 500 V Megger test between the power input terminals and the backplane. Insulation resistance must exceed 10 MΩ. Ground continuity is verified.
- Firmware Verification: N/A for analog power modules. We photograph the label and verify the manufacturing date code to ensure no capacitor degradation.
- Final QC & Packaging: The module is sealed in an anti-static bag with silica gel. A QC sticker showing the test date and technician initials is applied to the exterior.
Honeywell 396352-01-4
Replacement Pitfall Guide
Field replacements on power systems are unforgiving. Watch out for these traps.
- Firmware Mismatch: ❗ Critical. While this is a power module, the system controller may monitor diagnostic feedback. If your CPU expects specific voltage thresholds, verify the Honeywell 396352-01-4 matches your configuration matrix.
- DIP Switch / Jumper Misconfiguration: This module uses hardware addressing for redundant pairing. If you pull the old card and forget to transfer the binary address switches, the redundant handshake will fail.
- Terminal / Cable Incompatibility: Inspect the backplane power rails before installing. Corroded contacts or loose connections can cause intermittent brownouts that mimic module failure.
- Power Supply Mismatch: Verify your external AC power supply has at least 20% headroom. Two redundant modules starting simultaneously can cause an inrush current spike that might trip an undersized breaker.
- ESD Damage: Power modules are sensitive to electrostatic discharge. Always wear a grounded wrist strap when handling the bare PCB. I’ve seen modules fail bench testing because they were handled on a dry winter day without protection.
Keep these in mind and you’ll cut 90% of rework time.
Compatibility Matrix & Benchmarks
Compatibility
- Honeywell 396352-01-4 Rev A → 396352-01-4 Rev B : Direct Replacement — Verify diagnostic feedback compatibility.
- Honeywell 396352-01-3 → 396352-01-4 : Needs Adaptation — Different power distribution architecture; requires system validation.
Benchmarks
- Redundant Switchover: 0 ms (zero interruption during module failure)
- Diagnostic Response: < 100 ms (from fault detection to controller notification)
Need the wiring diagram for the Honeywell 396352-01-4 redundant power rails? I can pull up the termination schematic for the backplane connections.
