Honeywell 51401135-350 Power Supply Module
Honeywell 51401135-350 Power Supply Module
Configured for regulated AC‑to‑DC conversion in PMIO system assemblies, the Honeywell 51401135‑350 (51401135‑350 power supply module) provides direct electrical execution of input conditioning, multi‑rail DC output generation, and redundancy support across Honeywell process‑control platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51401135‑350 |
| Brand | Honeywell |
| Origin | Not specified |
| Weight | 0.76 kg (1.68 lbs) |
| Dimensions | 120 mm × 80 mm × 50 mm |
| Operating Temp | -40 deg C to 70 deg C |
| Power Consumption | Not specified |
| Input Voltage | 100–240 VAC nominal (85–265 VAC tolerance) |
| Input Frequency | 50 / 60 Hz |
| Maximum Output Power | 350 W |
| Output Voltage Options | 24 VDC, 12 VDC; PMIO variants: 25 VDC, 12.6 VDC @ 0.2 A, 6.3 VDC @ 0.4 A |
| Efficiency | >90% typical |
| Flammability Rating | 94V‑0 compliant PCB |
4-20 mA Loop Stability and Channel Isolation
Within Honeywell process‑control environments, the regulated DC rails maintain stable supply conditions for downstream analog modules carrying 4–20 mA loops. Channel‑to‑channel isolation in adjacent I/O assemblies is preserved when wiring separation and grounding discipline are maintained. Cold junction compensation (CJC) circuits in temperature modules remain unaffected due to controlled ripple and thermal behavior of the supply.
Frequently Asked Questions
Q: Can the 51401135‑350 be hot‑swapped during operation? A: Hot‑swap capability depends on the PMIO chassis configuration; de‑energizing the chassis is recommended to avoid backplane disturbance.
Q: Does the wide input tolerance affect output stability? A: No. Output regulation is maintained across the full 85–265 VAC input range.
Q: Are firmware updates applicable to this module? A: No. The unit contains no user‑upgradeable firmware; compatibility is electrical only.
Field Installation Guidelines
- Maintain correct torque on screw terminals to prevent micro‑movement under vibration.
- Route AC input wiring separately from low‑voltage DC output conductors to reduce coupling.
- Bond shield grounds at a single point to avoid circulating currents.
- Ensure adequate airflow around the module to prevent thermal buildup.
- Verify correct seating in the PMIO chassis before energizing.
Honeywell 51401135-350 Power Supply Module
