Product Details
The Honeywell 2MLR-AC22, also cataloged as the 2MLR-AC22 Redundant Power Supply Module, operates as a dedicated hardware component for dual-source 5 VDC backplane power distribution within MasterLogic-200 platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 2MLR-AC22 |
| Brand | Honeywell |
| Origin | South Korea |
| Weight | Approx. 0.3 kg |
| Dimensions | Approx. 3.2 cm x 12.7 cm x 12.7 cm |
| Operating Temp | -10 to +60 deg C |
| Power Consumption | <= 60 VA |
| Input Voltage | 100-240 VAC, 50/60 Hz |
| Output Voltage | 5 VDC +/-5% |
| Output Current | Max. 8.5 A |
| Ripple Voltage | < 240 mVp-p |
| Inrush Current | <= 30 A at 240 VAC |
| Cooling Method | Natural air cooling |
Channel Isolation and Power Bus Regulation
The 2MLR-AC22 module incorporates galvanic insulation and optical channel-to-channel isolation layers across its primary-to-secondary converter circuitry. Built-in filtering stage limits output ripple voltage to under 240 mVp-p, preserving signal integrity across 4-20 mA HART loop protocol instruments connected to adjacent I/O modules on the backplane bus. Internal sensing circuits automatically manage load sharing and immediate fault isolation in dual-power rack configurations to prevent logic bus disruption during line voltage drops.
Frequently Asked Questions
Q: What is the maximum current capacity supplied to the backplane by the 2MLR-AC22?
A: The module delivers a regulated 5 VDC output supplying up to 8.5 A of backplane logic power.
Q: Can the 2MLR-AC22 be replaced while the system remains powered by a redundant secondary module?
A: Yes, the unit supports live replacement when paired in a dual-redundant base setup, provided proper lock-out and terminal isolation safety steps are maintained.
Field Installation Guidelines
- Ensure primary AC supply lines are disconnected and verified dead before inserting or removing power wiring from the module terminals.
- Mount the module vertically into the designated power supply slot on the MasterLogic-200 base chassis until the locking latches click firmly into position.
- Wire incoming 100-240 VAC power using properly rated conductors, ensuring the protective earth terminal is connected directly to the enclosure ground bar.
- Maintain sufficient clear space above and below the module chassis to facilitate natural air cooling and prevent thermal buildup.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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