96ma 24v MTL Safety Barrier MTL5544D Repeater Power Supply
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MTL5544D REPEATER POWER SUPPLYThe MTLx544D provides a fully-floating dc supply for energising a conventional 2- or 3-wire 4/20mA transmitter located in a hazardous area, and repeats the current in other circuits to drive two safe-area loads. For HART 2-wire transmitters, the unit allows bi-directional transmission of digital communication signals superimposed on the 4/20mA loop current. 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 @ 24mA: 0 to 360Ω @ 20mA: 0 to 450Ω 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, output Ch 1 only) LED indicator Green: power indication Maximum current consumption (with 20mA signals) 96mA at 24V dc Power dissipation within unit (with 20mA signals) 1.4W @ 24V dc Safety description Terminals 2 to 1 and 3: Uo =28V Io =93mA Po =651mW Um = 253V rms or dc Terminals 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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| Product Tags: 24V MTL Safety Barrier 96ma MTL5544D MTL Safety Barrier CE REPEATER POWER SUPPLY |
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