Honeywell 2MLF-TC4S Thermocouple Input 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 | Details |
|---|---|
| Manufacturer | Honeywell |
| Model | 2MLF-TC4S |
| Product Name | Thermocouple Input Module |
| Product Series | MasterLogic-200 |
| Product Type | Isolated Thermocouple Temperature Input Module |
| Number of Input Channels | 4 Channels |
| Supported Thermocouple Types | K, J, E, T, B, R, S, N, C |
| Applicable Standard | JIS C1602-1995, ITS-90 |
| Type K Temperature Range | -250 to 1350°C |
| Type J Temperature Range | -200 to 1200°C |
| Type E Temperature Range | -250 to 1000°C |
| Type T Temperature Range | -250 to 400°C |
| Type B Temperature Range | 400 to 1800°C |
| Type R Temperature Range | -50 to 1750°C |
| Type S Temperature Range | -50 to 1750°C |
| Type N Temperature Range | -270 to 1300°C |
| Type C Temperature Range | 0 to 2300°C |
| Temperature Display Resolution | 0.1°C |
| Digital Output Format | Temperature display or user-defined scaling |
| User-Defined Scaling Range | 0–65535 or -32768–32767 |
| Accuracy at 25°C | ±0.1% (some sensor range sections may allow up to 1% of the measurable range) |
| Temperature Coefficient | ±100 ppm/°C |
| Conversion Time | 40 ms per channel |
| Channel-to-Channel Isolation | Isolated |
| Terminal-to-PLC Power Isolation | Photocoupler isolation |
| Cold Junction Compensation | Automatic compensation using RJC sensing (PT100) |
| Cold Junction Compensation Accuracy | ±1.0°C |
| Averaging Functions | Time average, frequency average, moving average |
| Time Averaging Setting | 320–64,000 ms |
| Frequency Averaging Setting | 2–64,000 times |
| Moving Average Setting | 2–100 samples |
| Alarm Functions | Process alarm, gradient alarm |
| Additional Functions | Maximum/minimum temperature monitoring, input signal disconnection detection, digital filtering |
| Configuration Software | SoftMaster |
| Terminal Connection | 18-point terminal block |
| Internal Current Consumption | 610 mA at 5 V DC |
| Dimensions | 113 × 27 × 98 mm |
| Weight | 0.15 kg |
FAQ
1. What is the main function of the Honeywell 2MLF-TC4S module?
The Honeywell 2MLF-TC4S is a four-channel thermocouple input module designed for the MasterLogic-200 PLC system. It receives temperature signals from thermocouple sensors, converts them into digital values, and sends the measurement data to the PLC for process monitoring, temperature control, and alarm management.
2. Which thermocouple types are supported by the 2MLF-TC4S?
The module supports nine thermocouple types: K, J, E, T, B, R, S, N, and C. These sensor types cover a wide range of industrial temperature applications, from general process monitoring to high-temperature furnace measurement. The thermocouple type configured for each channel must match the actual field sensor.
3. What is the maximum temperature measurement range of the 2MLF-TC4S?
The measurement range depends on the thermocouple type. Type K supports -250 to 1350°C, Type J supports -200 to 1200°C, and Type C supports 0 to 2300°C. Other supported ranges include Type E (-250 to 1000°C), Type T (-250 to 400°C), Type B (400 to 1800°C), Type R and S (-50 to 1750°C), and Type N (-270 to 1300°C). Selecting the correct sensor type is essential for accurate temperature conversion.
4. How does cold junction compensation work on the 2MLF-TC4S?
The module uses automatic reference junction compensation through an RJC sensing circuit with a PT100 sensor. This compensates for the temperature at the thermocouple connection terminals, helping maintain accurate measurements. The specified compensation accuracy is ±1.0°C. Proper terminal installation and stable ambient conditions are important for reliable compensation.
5. Does the 2MLF-TC4S provide electrical isolation between input channels?
Yes. The 2MLF-TC4S provides isolation between its four input channels. It also uses photocoupler isolation between the input terminals and PLC power. This arrangement helps reduce the effect of electrical interference and potential differences between field measurement circuits.
6. What averaging and alarm functions are available?
The module supports time averaging, frequency averaging, and moving averaging to reduce fluctuations in temperature readings. It also provides process alarms and gradient alarms for monitoring temperature limits and changes. These functions are useful for applications where temperature stability and abnormal rate-of-change detection are important.
7. Why might the temperature reading be inaccurate or fluctuate unexpectedly?
Common causes include an incorrect thermocouple type setting, reversed polarity, loose terminal connections, damaged sensor wiring, or electrical interference. Cold junction compensation problems can also affect readings. Check the sensor configuration and wiring first, then inspect grounding and cable routing. If the signal fluctuates, review the averaging and filtering settings to determine whether electrical noise or actual temperature changes are responsible.
8. What should be checked when replacing or commissioning a 2MLF-TC4S?
Confirm that the replacement module is the correct model and compatible with the MasterLogic-200 PLC system. Record the existing thermocouple type, channel assignments, alarm limits, and averaging settings before replacement. Check the input terminal connections and sensor polarity, then verify cold junction compensation and PLC configuration. After installation, compare each channel’s reading with a reference temperature instrument and test the alarm functions before returning the process to normal operation.
Honeywell 2MLF-TC4S Thermocouple Input 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.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
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.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
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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.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.
