BASIC INFO
MTL4541 Repeater Power Supply 4/20mA Safety Barrier
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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HONGKONG XIEYUAN TECH CO., LIMITED
Add: 7-A16,Caishen Commercial Plaza,Hankou Railway Station,Wuhan, China
Contact: Ms. Lily
Email: lily@hkxytech.com
WhatsApp/Skype: +86 13789949182
