7. Technical data
General details
Unit function
Process display without loop power supply for panel
mounting
Application
Process display The display receives an analogue signal and shows the
corresponding value on the display. The unit is
connected in a 4...20 mA current loop and pulls the
required energy from that loop.
Operating and
system
construction
Measurement
principle
The analogue signal connect is digitalised, analysed and
indicated in the display.
Measurement
system
Microcontroller controlled display with an LC display.
Input
Input type
Current
Measurement
range
4...20 mA (pole protected)
Max. input
current
150 mA (short circuit current)
Voltage drop
< 2 Volt
HART protocol The display is suitable for transmission of the HART
protocol
Accuracy
Current
Accuracy < 0.1 % FSD
Temperature drift: 0.01 % / K ambient temperature
Application
conditions
Installation conditions
Installation
angle
No limit
Ambient conditions
Ambient
temperature
- 10 °C..+ 60 °C
Storage
temperature
- 25 °C..+ 70 °C
Climate
classification
To EN 60654-1 Class B2
Ingress
protection
Between bazel and panel: IP 65, NEMA 4x,
Terminals: IP 20
Process display
27
Содержание RIA251
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