Elcon HiD 2000 Series - Hid 2037;2038 I;P Driver, Bus Powered, Smart

2-14
2.7.8 HiD 2037/2038 I/P Driver, Bus Powered, Smart
DC supply
Current consumption 40 mA @ 24 V, 20 mA output (per channel)
Power dissipation 0.85 W @ 24 V (per channel)
Hazardous Area Signal (Output)
Output 4-20 mA
on a load of 0 to 750 Ω max
Load effect
≤ 0.1 %
of full scale from 0 to 750 Ω
Output ripple 15 mVrms
Response time 50 msec 10 to 90% step change
Safe Area Signal (Input)
Input current 4-20 mA reverse polarity protected
Input drop-out < 4 V with field wiring intact
Input current < 1.2 mA with field wiring open
Frequency response of comm. Channel
Field to Input 0.5 to 40 KHz within 3 dB, (-6 dB @ 100 KHz)
Input to Field 0.5 to 40 KHz within 3 dB, (-6 dB @ 100 KHz)
Performance at Reference Conditions
Calibration accuracy
< ± 0.1 %
of full scale
Linearity
< ± 0.1 %
of full scale
Temperature drift
< ± 0.01 %/°C
Short wire fault detect
< 70 Ω
Open wire fault detect
> 100 KΩ
Selector switches None
LED Indicators Power ON
Fault
Green
Red (per channel)
Fault output Open Collector
Transistor
common to both channels