Elcon HiD 2000 Series, User Instruction Manual

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2-9
2.7.3 HiD 2029/2030 Repeater Power Supply, Smart Tx, Fully Floating
DC supply
Current consumption 60 mA @ 24 V, 20 mA output (per channel)
Power dissipation 1.05 W @ 24 V (per channel)
Hazardous Area Signal (Input)
Voltage available for transmitter and lines 15.5 V min @ 20 mA
Ripple content 10 mVrms
Input range 4-20 mA Overload limited at 26 mA typ.
Input resistance for current source
40
Ω
Safe Area Signal (Output)
User selectable 4-20 mA or 1-5 V
1-5 V on 250
Ω
internal shunt
Ripple content 10 mVrms
on 250
Ω
load required for communications
Load
0 to 650
Ω
Load effect
≤
0.1 %
of full scale from 0 to 650
Ω
Frequency response of comm. Channel
Tx to output 0.5 to 40 KHz within 3 dB, (-6 dB @ 100 KHz)
Output to Tx 0.5 to 40 KHz within 3 dB, (-6 dB @ 100 KHz)
Response time 70 msec 10 to 90% step change
Performance at Reference Conditions
Calibration accuracy
<
±
0.1 %
of full scale (Current output)
Linearity
<
±
0.05 %
of full scale
Temperature drift
<
±
0.01 %/°C
No fault detection > 1 mA or < 23.5 mA input current
Fault detection < 0.2 mA or > 24 mA Input current
Selector switches Output 4-20 mA or
1-5 V
(250
Ω
, 0.1 % internal shunt)
Factory set as 4-20 mA
LED Indicators Power ON
Fault Green
Red (per channel)
Fault output Open Collector
Transistor common to both channels