Product News

MTL4541 Repeater Power Supply 4/20mA, HART®, 2- or 3-wire transmitters

News February 22, 2022

MTL4541



MTL4541/S – MTL5541/S REPEATER POWER SUPPLY 4/20mA, HART®, 2- or 3-wire transmitters


The MTLx541 provides a fully-floating dc supply for energising a conventional 2- or 3-wire 4/20mA transmitter, which is located in a hazardous area, and repeats the current in another floating circuit to drive a safe-area load. For HART 2-wire transmitters, the unit allows bi-directional communications signals superimposed on the 4/20mA loop current. Alternatively, the MTLx541S acts as a current sink for a safe-area connection rather than driving a current into the load. Separately powered current sources, such as 4-wire transmitters, can be connected but will not support HART communication.




SPECIFICATION


Number of channels

One

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 (MTLx541)

@ 24mA: 0 to 360Ω

@ 20mA: 0 to 450Ω

Safe-area load (MTLx541S)

Current sink: 600Ω max.

Maximum voltage source: 24V dc

Safe-area circuit output resistance: > 1MΩ

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 only)




Model numbers- MTL4500 series safety barrier:


SM45-55-AI

SM45-55-AI-A

SM45-55-AO

SM45-55-BI

SM45-55-SAD

SM45_5501-SR

SMx 531-82

INA5500

INM5500  

MTL4500-5500-ACC

MTL4500-5500-CS

MTL4500-5500-DS

MTL4501-SR

MTL4510 

MTL4510B

MTL4511

MTL4513

MTL4514

MTL4514-T

MTL4514D

MTL4516C

MTL4517

MTL4521

MTL4521-T

MTL4523

MTL4523L

MTL4523-VL

MTL4524

MTL4524S

MTL4525

MTL4526

MTL4541

MTL4541A

MTL4541AS

MTL4541B

MTL4541P

MTL4541S

MTL4541T

MTL4544

MTL4544A

MTL4544AS

MTL4544B

MTL4544D

MTL4544S

MTL4546

MTL4546C

MTL4546S

MTL4546Y

MTL4549

MTL4549C

MTL4549Y

MTL4573

MTL4575

MTL4576-RTD

MTL4576-THC

MTL4581

MTL4582B

MTL4531

MTL4532

MTL4561

MTL4599

MTL4599N


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Add: 7-A16,Caishen Commercial Plaza,Hankou Railway Station,Wuhan, China

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Email: lily@hkxytech.com

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