MTL4544 MTL Instrument Repeater Power Supply

MTLx544 provides fully-floating dc supplies for energising twoconventional 2-wire or 3-wwire 4/20mA or HART transmitters located ina hazardous area, and repeats the current in other circuits to drive twosafe-area loads.For smart transmitters, the unit allows bi-directionaltransmission of digital communication signals superimposed on the4/20mA loop current, Alternatively, the MTLx544S acts as a currentsink for a safe-area connection rather than driing a current into theload. Separately powered current sources, such as 4-wire transmitterscan be connected but will not support HART communication.

Specification

• Product Type : Repeater Power Supply

• Number of channels : Two

• Location of transmitter

  Zone 0, IIC, T4–6 hazardous area if suitably certified

• Div. 1, Group A hazardous location

• Safe-area output

  • Signal range: 4 to 20mA

  • Under/over-range: 0 to 24mA

  • Safe-area load resistance (MTLx 544)

    
    

    @ 24mA : 0 to 360?

    
    

    @ 20mA : 0 to 450?

    
    

  • Safe-area load (MTLx544S)

    
    

    Current sink: 600? max.

    
    

    Maximum voltage source: 24V dc

    
    

  • Safe-area circuit output resistance: > 1M?

• Safe-area circuit ripple : < 50µA peak-to-peak

• Hazardous-area input

  Signal range: 0 to 24mA (including over-range)

• Transmitter voltage: 16.5V at 20mA

• Transfer accuracy at 20°C : Better than 15µA

• Temperature drift : < 0.8µA/°C

• Response time : Settles to within 10% of final value within 50µs

• Communications supported : HART (terminals 1 & 2 and 4 & 5 only)

• LED indicator : Green: power indication

• Maximum current consumption (with 20mA signals) : 96mA at 24V dc

• Power dissipation within unit (with 20mA signals)

  MTLx544 1.4W @ 24V dc

• MTLx544S 1.9W @ 24V dc

• Safety description (each channel)

  Terminals 2 to 1 and 3, and 5 to 4 and 6 : Uo=28V Io=93mA Po=651mW Um = 253V rms or dc

• Terminals 1 to 3 and 4 to 6 : Simple apparatus =1.5V, =0.1A and =25mW; can be connected without further certification into any IS loop with an open-circuit voltage <28V

• Dimensions ( W x H ) : 1.58 cm x 10.98 cm x 12.36 cm

• Weight : Approx. 0.11 Kg

Related Models:

Achievers Automation Limited

We are a global supplier of quality automation and control components, dedicated to meeting the industrial control needs of businesses worldwide.

• Over12 years of industry experience.
• Operates a full range of industrial automation components and instruments, cooperating with more than 20 brands,ALLEN BRADLEY,Bently Nevada,MTL,E+H,SICK,P+F,IFM and  more.
• These customers hail from over 45 countries across the globe, spanning different continents and diverse industrial landscapes.

Products cover oil development, natural gas development and refining, power plants, new energy, pharmaceutical plants and other industrial fields. Included flow meter,pressure tester,safety barriers,auto mation,valve control and Programmable Logic Controllers (PLC), Distributed Control Systems (DCS), Human Machine Interfaces (HMI), Measuring Instruments and other field instruments are part of the comprehensive product portfolio offered by Achievers Automation Limited to its customers.

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