Honeywell 2MLF-DC4H Analog Output Module
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| Mobile | +8613666084105 | |||||||
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| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Honeywell |
| Model | 2MLF-DC4H |
| Product Name | HART Analog Output Module |
| Product Series | MasterLogic-200 |
| Product Type | 4-Channel HART Analog Current Output Module |
| Conversion Function | Digital-to-Analog Conversion |
| Number of Output Channels | 4 Channels |
| Analog Output Signal | DC Current |
| Selectable Output Ranges | 4–20 mA, 0–20 mA |
| HART Communication | Supported on 4–20 mA range only |
| HART Communication Mode | Point-to-Point, Primary Master Only |
| Maximum Load Resistance | 600 Ω |
| Maximum Resolution | 1/16,000 per output range |
| Resolution at 4–20 mA | 1.0 μA |
| Resolution at 0–20 mA | 1.25 μA |
| Output Accuracy at 25°C | ±0.1% or less |
| Output Accuracy at 0–55°C | ±0.3% or less |
| Maximum Conversion Time | 100 ms per 4 channels |
| Absolute Maximum Output | 24 mA DC |
| Digital Input Format | Signed 16-bit binary value, 14-bit data |
| Supported Data Formats | Unsigned, Signed, Precise, Percentile |
| Output Configuration | Individually configurable by channel |
| Output Limit Function | Supported |
| Rate Control Function | Supported |
| Isolation | Photocoupler isolation between input terminals and PLC power; no isolation between channels |
| Terminal Connection | 18-point terminal |
| I/O Points Occupied | 64 fixed points or 16 non-fixed points |
| Internal Current Consumption | 200 mA at 5 V DC |
| External Power Consumption | 220 mA at 24 V DC |
| Operating Temperature | 0–55°C |
| Storage Temperature | -25–70°C |
| Dimensions | 113 × 27 × 98 mm |
| Weight | 0.15 kg |
FAQ
Q1: What is the main function of the Honeywell 2MLF-DC4H Analog Output Module?
The 2MLF-DC4H is a four-channel HART analog output module designed for Honeywell MasterLogic-200 PLC systems. It converts digital values from the PLC into proportional DC current signals for controlling field instruments such as control valves, valve positioners, and other process equipment. In addition to conventional analog output, it supports HART digital communication, allowing control signals and instrument information to share the same wiring.
Q2: How many output channels does the 2MLF-DC4H provide?
The module provides four independent analog current output channels. Each channel can be configured separately according to the requirements of the connected field device. This allows one module to control multiple instruments with different output settings. During configuration, check the channel assignment, output range, and digital input format in the PLC parameters.
Q3: Does the 2MLF-DC4H support HART communication on all output ranges?
No. HART communication is supported when the output range is configured to 4–20 mA. It is not supported in the 0–20 mA range. HART allows bidirectional digital communication over the same two-wire analog signal connection, so additional communication wiring is generally unnecessary. Each channel supports one HART field device, and the communication mode is limited to a primary master.
Q4: What is the maximum load resistance supported by the module?
The maximum specified load resistance is 600 Ω. The total loop resistance includes the field instrument’s input resistance, cable resistance, and other series-connected components. If the resistance exceeds this limit, the module may not maintain the requested current output. Check the complete loop before commissioning, particularly when using long cables or connecting multiple devices.
Q5: What output accuracy and resolution does the 2MLF-DC4H provide?
At an ambient temperature of 25°C, the specified output accuracy is ±0.1% or less. Across the operating temperature range of 0–55°C, it is ±0.3% or less. The maximum resolution is 1/16,000, equivalent to 1.0 μA for the 4–20 mA range and 1.25 μA for the 0–20 mA range. These specifications support precise current control in industrial process applications.
Q6: What should be checked if the output current does not match the PLC command value?
First, verify the channel’s output range and digital input format. Check the PLC program’s scaling calculations and confirm that the commanded value is within the configured output limits. Next, inspect the terminal wiring, field device connections, and total loop resistance. Measure the actual current with a calibrated instrument. If the analog output is correct but HART communication fails, confirm that the channel is configured for 4–20 mA and that the HART device and communication settings are correct.
Q7: Can the 2MLF-DC4H communicate with field instruments through asset management software?
Yes. The module supports HART communication and can work with compatible asset management tools, including Honeywell Field Device Manager (FDM) and PACTware-based applications. This enables users to access supported field device information, monitor HART variables, and perform instrument configuration or diagnostics. The communication setup requires compatible software, DTM support, and correct PLC and network configuration.
Q8: What should be checked when replacing or commissioning a 2MLF-DC4H module?
Before replacement, confirm the exact model and its compatibility with the installed MasterLogic-200 PLC system. Check the terminal assignments, channel configuration, output ranges, external 24 V DC supply, and HART communication settings. During commissioning, test each output channel individually and compare the measured current with the PLC command value. For HART-enabled channels, verify communication with the connected field instruments. Also check the RUN and ALM indicators and review PLC diagnostic information before returning the system to normal operation.
Honeywell 2MLF-DC4H Analog Output 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
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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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