Product introduction

MTL Safety Barrier 4000 Series is the third generation of isolation interface unit launched by MTL. The following is a detailed introduction: Product Features Small and compact: Adopting modular design, the width of a single module is only 16mm, light weight, and can

MTL Safety Barrier 4000 Series is the third generation of isolation interface unit launched by MTL. The following is its detailed introduction:

• Product Features

  • Small and compact: It adopts a building block design with a single module width of only 16mm and light weight. It can effectively increase the installation density and save space, making it suitable for installation occasions with limited space.

  • Easy installation: The components are plugged into the system floor with safe area connectors made of multi-channel connectors. Simple plug-in terminal blocks are used for wiring in safe and hazardous areas. There are various forms of power plugs, which make wiring quick and reduce wiring errors.

  • Reliable power supply: Bus power supply is adopted, and each baseboard has two power supply interfaces and a power fault indicator light to ensure convenient and reliable power supply to the safety barrier.

  • Easy maintenance: Plug-in connectors are used for disconnection and ground fault isolation protection, which is convenient for maintenance. The status LEDs, configuration switches, and ports on the module are located on the top for easy operation and viewing, making it suitable for new installations or providing additional channels for upgrading existing equipment.

  • Good isolation performance: Provides comprehensive three-port isolation between input, output and power circuits, eliminating ground relationship considerations, simplifying system connections, allowing circuits in hazardous areas to float or be grounded at any point, and improving system stability and safety.

  • Strong signal processing capability: HART signals can be separated by terminals at the input and output ends, and the HART interface is integrated on the dedicated baseboard, which can be used to expand the HART maintenance system and meet a variety of signal transmission and processing requirements.

  • Good electromagnetic compatibility: Electromagnetic compatibility complies with EMC EN650 081-2/EN050 682-2 standards, can effectively resist electromagnetic interference and ensure stable operation of the system.

• Function module

• • Switch input modules: Such modules as the MTL4013 and MTL4014 can convert switch signals or proximity switch signals in hazardous areas into relay dry contact signals in safe areas. Some models also have line fault detection capabilities and can detect ground faults by connecting to an external leakage detector.

  • Switch output module: For example, MTL4021, single-channel output, suitable for all gas groups, can drive low-power devices such as solenoid valves and alarms, the output signal has a minimum output voltage of 10V DC and a maximum output current of 0. 50mA.

  • Analog input module: Like MTL4041B, MTL4044D, etc., support HART communication, can receive 4-20mA analog signal from 2 or 3 Wire-based smart transmitter with conversion accuracy better than 20uA, outputting a 4-20mA signal with an overlapping digital signal.

  • Analog output module: represented by MTL4046C, single channel, supports HART communication, input 4-20mA signal, output 4-20mA signal, maximum load resistance 800 ohms, conversion accuracy better than 20uA.

  • Pulse input module: such as MTL4032, single channel, completely floating, can input 0-50kHz pulse signals, and can also receive switches or proximity switches, 2 or 3 The signal of the line voltage or pulse transmitter is output as a pulse signal.

  • Thermocouple/RTD Input Module: The MTL4073 is a single-channel module that can input thermocouple (THC) or thermal resistor (RTD) signals. The input type is set by software, and the output 4-20mA signal, maximum load resistance 600 ohms, conversion accuracy better than 0.005% of the input value.

• Application Areas: Widely used in large and medium-sized process control system devices in the petroleum, petrochemical, chemical, metallurgy, pharmaceutical, electric power, water treatment and other industries, it provides reliable signal isolation and transmission between field equipment in hazardous areas and control systems in safe areas, ensuring safe and stable operation of the system.

MTL safety barrier/Eaton safety barrier MTL4706  Dual-channel switch input isolation barrier

MTL safety barrier/Eaton safety barrier MTL4706  Dual-channel switch input isolation barrier

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