MTL safety barriers MTL5541

MTL safety barriers MTL5541

MTL safety barriers MTL5541

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.

MTL safety barriers MTL5541

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)

MTL safety barriers MTL5541

The MTL5500 range modules are versatile yet simple to apply; use the latest technology and yet are well proven.
These contrasting attributes stem from the progression of our expertise in the design and manufacture of isolators for intrinsic safety and the application of innovative technology to achieve the required separation and segregation of the circuits.

The MTL5500 (DIN-rail mounting) and MTL4500 (backplane mounting) isolators share a common design, differing only in the mechanical mounting and connection methods.

Compact modular design with DIN rail mounting
High packing density
Single and multi-channel I/O modules
3-port isolation with low power dissipation
Compatible with MTL5000

MTL safety barriers MTL5541
SM45-55-AI 
SM45-55-AO  
SM45-55-BI  
SM45-55-SAD  
SMx 531-82  

INA5500
INM5500
MTL4500-5500-ACC
MTL4500-5500-CS
MTL4500-5500-DS

2. Digital Input
MTL5018AC MTL5018AC
MTL5501-SR MTL5501-SR 
MTL5501-SR 
MTL5510 
MTL5510B  
MTL5511 
MTL5513 
MTL5514  
MTL5514D 
MTL5516C
MTL5517 

3. Digital Output
MTL5521 
MTL5522 
MTL5523 
MTL5523V - VL 
MTL5524 
MTL5525  
MTL5526 

4. Analogue Input
MTL5541 
MTL5541A 
MTL5541AS 
MTL5541S 
MTL5544 
MTL5544A 
MTL5544AS 
MTL5544D 
MTL5544S 
 
5. Analogue Output
MTL5546 
MTL5546Y  
MTL5549  
MTL5549Y 
 
6. Temperature Input
MTL5573 
MTL5575 
MTL5576-RTD 
MTL5576-THC  
MTL5581 
MTL5582 
 
7. Pulse and Vibration
MTL5531 
MTL5532 

MTL safety barriers MTL5541

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