Honeywell 2MLR-AC12 Power Supply Module
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Honeywell |
| Product Model | 2MLR-AC12 |
| Product Name | Power Supply Module |
| Product Series | Honeywell MasterLogic-200 PLC |
| Product Type | Redundant AC Power Supply Module |
| Rated Input Voltage | AC 110 V |
| Input Voltage Range | AC 85–132 V |
| Input Frequency | 50/60 Hz (47–63 Hz) |
| Maximum Input Power | 110 VA / 42 W |
| Maximum Inrush Current | 20 A peak (duration ≤ 8 ms) |
| Power Conversion Efficiency | ≥ 65% |
| Built-in Input Fuse | AC 250 V / 3.15 A, time-delay type |
| Allowable Momentary Power Interruption | ≤ 20 ms |
| Output Voltage | DC 5 V (±2%) |
| Output Current | 5.5 A |
| Output Power | 27.5 W (at 55°C) |
| Overcurrent Protection Range | 6.0–13.0 A |
| Relay Output Function | RUN status signal output |
| Relay Rated Load | DC 24 V, 0.5 A |
| Minimum Switching Load | DC 5 V, 1 mA |
| Relay Response Time | OFF→ON: ≤ 10 ms; ON→OFF: ≤ 12 ms |
| Power Status Indicator | LED indicator, illuminated when output voltage is normal |
| Recommended Wire Size | 0.75–2 mm² |
| Dimensions | 55 × 95 × 110 mm |
| Weight | 0.34 kg |
FAQ
1. What is the main function of the Honeywell 2MLR-AC12 Power Supply Module?
The Honeywell 2MLR-AC12 is an AC power supply module designed for the MasterLogic-200 PLC system. Its primary function is to convert an external AC 110 V supply into the DC 5 V power required by the PLC system, providing operating voltage for the CPU, I/O modules, and related internal circuits. The module has a rated output current of 5.5 A and a rated output power of 27.5 W at 55°C. It also includes a RUN status relay output that provides the control system with information about the power supply’s operating status.
2. What input voltage does the 2MLR-AC12 support?
The module has a rated input voltage of AC 110 V and an allowable input range of AC 85–132 V. It supports a nominal frequency of 50/60 Hz, with an actual allowable frequency range of 47–63 Hz. Before installation, verify that the site’s AC power supply meets these requirements. The 2MLR-AC12 is not a universal AC 110/220 V input model. It should not be connected directly to an AC 220 V supply without confirming the specifications.
3. What are the output voltage and current ratings of the 2MLR-AC12?
The 2MLR-AC12 provides a DC 5 V output with a voltage tolerance of ±2% and a rated output current of 5.5 A. Its rated output power is 27.5 W at 55°C. This output supplies the internal circuits of the MasterLogic-200 PLC system. During system design and installation, calculate the total power consumption of the CPU, I/O modules, and other connected components to ensure that the combined load remains within the module’s rated output capacity.
4. Does the 2MLR-AC12 have overcurrent and input protection?
The module includes a built-in input fuse and an output overcurrent protection function. The input side uses an internal AC 250 V, 3.15 A time-delay fuse, which is not designed for user replacement. The DC 5 V output has an overcurrent protection range of 6.0–13.0 A. If a short circuit or abnormal load occurs in the output circuit, the protection mechanism helps limit the potential impact on the system. After a protection event, inspect the load and wiring, identify and correct the cause of the fault, and restore power according to the equipment maintenance procedures.
5. What is the purpose of the RUN relay output on the 2MLR-AC12?
The RUN relay output provides a power supply operating status signal, allowing the PLC system to monitor the module’s condition. Its rated switching load is DC 24 V at 0.5 A, with a minimum switching load of DC 5 V at 1 mA. The relay response time is no more than 10 ms for OFF-to-ON switching and no more than 12 ms for ON-to-OFF switching. Engineers can connect this status contact to an appropriate monitoring or alarm circuit to help identify abnormal power supply conditions.
6. How can I determine whether the 2MLR-AC12 is operating correctly?
First, check that the input voltage is within the AC 85–132 V range and that the input wiring is secure and correctly connected. When the module is operating normally, its power status LED should illuminate, indicating that the output voltage is normal. Use an appropriate measuring instrument to check the DC 5 V output, and assess the operating status of the PLC CPU and I/O modules. If the LED remains off or the PLC system fails to start, inspect the input power supply, fuse protection, output load, and wiring connections.
7. Can the 2MLR-AC12 be interchanged with other Honeywell MasterLogic-200 power supply modules?
A module should not be considered a direct replacement simply because it belongs to the same product series. The MasterLogic-200 range includes power supply models with different input voltage and output current ratings, such as the 2MLR-AC22, 2MLR-AC13, 2MLR-AC23, and 2MLR-DC42. These models may differ in rated input voltage, output capacity, and power supply configuration. Before selecting a replacement, verify the complete model number, PLC system configuration, input power conditions, and actual load requirements to ensure electrical and installation compatibility.
8. What precautions should be taken when installing or replacing the 2MLR-AC12?
Before installation or replacement, disconnect the relevant power sources and follow the PLC system’s maintenance procedures to ensure that the equipment is in a safe condition. Check the power supply model, installation position, and terminal assignments. Confirm that the input voltage meets the AC 110 V specification. Use suitable wiring within the recommended 0.75–2 mm² range, and make sure all terminal connections are secure. After powering up, check the power status LED, DC 5 V output voltage, and overall PLC system operation. If the module experiences persistent overcurrent, abnormal output voltage, or repeated protection events, investigate external loads and wiring faults rather than repeatedly forcing the module to restart.
Honeywell 2MLR-AC12 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
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