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Honeywell 900P01-0501 Power Supply Module

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  • Part Number: Power Supply Module
  • Brand: Honeywell
  • Type: Power Supply Module
  • Dimensions: 3.7×14×13.6cm
  • Country of Origin: USA
  • Barcode: 8537101190

Additional Specifications

Color / Pattern
  • Green
  • Gray
Power Source
  • DC-powered
Communication Protocols
  • Ethernet
Controller Design
  • Compact
Tags: DCS , Power Supply Module

Product Description

Honeywell 900P01‑0501 Power Supply Module

The Honeywell 900P01‑0501, also cataloged as the 900P01‑0501 power supply module, operates as a dedicated AC‑to‑DC conversion unit for stable backplane energizing within HC900 control assemblies. It conditions wide‑range AC input, manages inrush behavior, and maintains regulated DC output for controller and I/O module loading.

Hardware Specifications

Parameter Specification
Model 900P01‑0501
Brand Honeywell
Origin HC900 Platform
Weight 820 g
Dimensions 137 mm H × 72.6 mm W (5.4 in × 2.86 in)
Operating Temp 0 deg C to 60 deg C (T4)
Power Consumption Input rating 130 VA
Input Voltage 90 to 264 V AC, 47 to 63 Hz
Input Current 1.4 A max continuous
Inrush Current 40 A peak‑to‑peak for 120 ms at 240 V AC
Output Rating 58 W
Hold‑Up Time 20 ms @ 115 V AC, 60 Hz (maximum load)
Fuse Internal non‑replaceable fuse
Wiring Screw terminals, 0.3 mm² to 3.3 mm² (#12–22 AWG)
Test Jacks 5 V DC, 24 V DC

4‑20 mA HART Loop Protocol and Isolation Behavior

Aligned with Honeywell process‑instrumentation conventions, the 900P01‑0501 maintains stable DC output conditions required for downstream 4‑20 mA HART loop protocol devices. The regulated supply minimizes ripple that could interfere with HART frequency modulation. When powering mixed analog modules, channel‑to‑channel isolation within HC900 I/O is preserved, preventing cross‑loop interference and maintaining predictable analog update timing.

Frequently Asked Questions

Q: Can the 900P01‑0501 be hot‑swapped during operation? A: The module is not designed for hot‑swap. Power must be removed from the HC900 chassis before insertion or removal.

Q: How does the inrush current affect upstream protection devices? A: The 40 A peak inrush may require coordination with upstream breakers or fuses to avoid nuisance tripping during startup.

Q: Are the 5 V DC and 24 V DC test jacks intended for powering external loads? A: No. The test jacks are measurement points only and should not be used as auxiliary power outputs.

Field Installation Guidelines

  • Maintain proper torque on screw‑type terminals to ensure stable conductor engagement within the specified 0.3 mm² to 3.3 mm² range.
  • Route AC input wiring separately from low‑voltage DC output conductors to reduce electromagnetic coupling.
  • Bond shielded cable grounds at a single point to avoid circulating currents.
  • Ensure adequate airflow around the module to prevent thermal buildup within the enclosure.
  • Use test jacks strictly for diagnostic measurement; avoid loading them with external circuits.
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