MTL5544D REPEATER POWER SUPPLY

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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