Information On Mounting And Operation In Hazardous Areas - WIKA DIH10-Ex Mode D'emploi

5. Commissioning, operation / 6. Information on ...
5.3.3 Display information, overrange/underrange
Range:
Displayed range:
Usable range:
EN
Advance warning of underrange: 3.6 ... < 3.9 mA
Advance warning of overrange: > 20.1 ... 21.5 mA
Underrange displayed:
Overrange displayed:
With the advance warning, the display blinks (normal display
■
alternates with horizontal bars).
For values under 3.6 mA, a horizontal bar alternates with the display
■
"undr".
For values over 21.5 mA, a horizontal bar alternates with the display
■
"over".
6. Information on mounting and operation in
hazardous areas
As a general rule, repairs are strictly prohibited!
Displays with externally visible damage should not be used. Observe
the following instructions for mounting and operation as well as the
requirements for using the instruments in hazardous areas.
Do not make any alterations to the display.
■
Use only appropriate intrinsically safe equipment with a separate
■
EC-type examination certificate, with which the permissible electrical
limit values of the intrinsically safe circuit will not be exceeded:
Max. terminal voltage U
Max. current l
Max. power P
The maximum effective capacitance and inductance are negligibly
small.
20
= DC 30 V
0
= 100 mA
0
= 1 W
0
WIKA operating instructions model DIH10-Ex
4 ... 20 mA
3.9 ... 20.1 mA
3.6 ... 21.5 mA
< 3.6 mA
> 21.5 mA