Honeywell 2MLR-DC42 Redundant Power Supply Module
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| Mobile | +8613666084105 | |||||||
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| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Honeywell |
| Model | 2MLR-DC42 |
| Product Name | Redundant Power Supply Module |
| Product Series | MasterLogic-200R |
| Product Type | PLC Redundant DC Power Supply Module |
| Rated Input Voltage | 24 VDC |
| Input Voltage Range | 19.2–28.8 VDC |
| Output Voltage | 5 VDC ±2% |
| Output Current | 7.5 A |
| Output Power | 37.5 W (at 55°C) |
| Maximum Input Current Protection | Overcurrent protection range: 9.0–17.0 A |
| Input Fuse | Built-in, 125 V / 10 A, time-delay type; not user-replaceable |
| Momentary Power Interruption Tolerance | Up to 20 ms |
| Efficiency | ≥65% |
| Status Indication | LED voltage status indicator; illuminates when the output voltage is normal |
| RUN Status Output | Relay output, 24 VDC / 0.5 A |
| Main Function | Supplies stable 5 VDC power to the PLC control system and supports redundant power configurations |
| Compatible System | Honeywell MasterLogic-200R PLC |
| Installation Position | Power supply slot on the main base or expansion base |
| Compatibility | Designed for compatible 2MLR-CPUH system configurations; verify base and system requirements before installation |
| Dimensions | 110 × 55 × 95 mm |
| Weight | 0.417 kg |
FAQ
Q1: What is the Honeywell 2MLR-DC42 Redundant Power Supply Module?
A: The 2MLR-DC42 is a redundant DC power supply module designed for Honeywell MasterLogic-200R PLC systems. It accepts a 24 VDC input and provides a regulated 5 VDC supply for the internal PLC control circuits. With a rated output current of 7.5 A, it is suitable for industrial automation applications where stable power and continuous system operation are important.
Q2: What are the input and output voltage specifications of the 2MLR-DC42?
A: The module has a rated input voltage of 24 VDC and an allowable input range of 19.2–28.8 VDC. Its output is 5 VDC with a tolerance of ±2%, a rated output current of 7.5 A, and a rated output power of 37.5 W at 55°C. During operation, maintain a stable input supply and ensure that the connected load does not exceed the module’s rated output capacity.
Q3: What role does the 2MLR-DC42 play in a redundant PLC power system?
A: The module supplies operating power to the PLC system and supports redundant power configurations in the MasterLogic-200R architecture. A properly configured redundant power system can reduce the impact of an individual power supply failure and improve overall power availability. Actual redundancy depends on the compatible power modules, base configuration, and wiring arrangement. Follow Honeywell’s system design requirements when configuring the power supply system.
Q4: Can the 2MLR-DC42 be replaced with other Honeywell power supply modules?
A: Direct interchangeability should not be assumed. The MasterLogic series includes power supply modules with different input voltage and output current specifications, including AC-input and DC-input models. The 2MLR-DC42 uses a 24 VDC input, while other models may require 110 VAC or 220 VAC. Before replacement, verify the input power type, output capacity, mounting base, and system compatibility to avoid electrical damage.
Q5: How should I troubleshoot the 2MLR-DC42 if its LED indicator does not illuminate?
A: First, use a multimeter to measure the input voltage and confirm that it is within the 19.2–28.8 VDC range. Check whether the power terminals are secure, the polarity is correct, and the external supply circuit is intact. If the input voltage is normal but the output status indicator remains off, inspect the 5 VDC output circuit for short circuits or overloads. Use the PLC diagnostic information to determine whether the module may have an internal fault.
Q6: What should I do if the 2MLR-DC42 triggers overcurrent protection?
A: Overcurrent protection is commonly associated with excessive output loading, an external short circuit, or wiring problems. Check the 5 VDC output circuit for short circuits, incorrect connections, and loads exceeding the rated capacity. After correcting the problem, restore power according to the equipment maintenance procedure. If the module repeatedly triggers overcurrent protection, do not continue restarting it. Inspect the power supply and downstream devices to identify the underlying cause.
Q7: Can the input fuse of the 2MLR-DC42 be replaced by the user?
A: The module uses a built-in 125 V / 10 A time-delay fuse that is not designed for user replacement. If the fuse blows because of an input abnormality or internal fault, first investigate the external power supply and load conditions. Internal fuse faults should be handled according to the manufacturer’s repair requirements. Avoid opening the module without proper authorization and technical procedures, as this may compromise electrical safety and equipment reliability.
Q8: What should I check if the PLC still fails to start after replacing the 2MLR-DC42?
A: First, verify that the input voltage and polarity are correct. Check that the module is fully seated in the base and that the output circuit has no short circuit or overload. Inspect the base connectors, power terminals, and other installed modules to ensure that all connections are secure. If the power output is normal but the CPU still fails to start, check the CPU status, system configuration, and other power-related faults. Use the PLC status indicators and diagnostic information to identify the problem instead of immediately assuming that the replacement power supply is defective.
Honeywell 2MLR-DC42 Redundant Power Supply Module is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
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Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
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The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
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Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
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