MTL 4541B Repeater Power Supply 4/20mA, for 2 or 3 Wire Transmitters

Description

MTL 4541B
Repeater Power Supply
4/20mA, for 2 or 3 Wire Transmitters
New
The MTL4541B 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 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
Features:
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:0 to 360Ω @ 24mA0 to 450Ω @ 20mASafe-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)
LED indicator Green: power indication
Maximum current consumption (with 20mA signal)51mA at 24V
Power dissipation within unit (with 20mA signal)0.7W at 24V
Safety description Terminals 2 to 1 and 3:Vo=28V Io=93mA Po=651mW Um = 253V rms or dcTerminals 1 to 3:Simple apparatus ≤1.5V, ≤0.1A and ≤25mW; can be connected without further certification into any IS loop with an open-circuit voltage <28V
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