17
UK
10 Operation
After power on, the unit is in the Run mode (= normal operating mode)� It carries
out its measurement and evaluation functions and provides output signals
according to the set parameters�
Operating indications → chapter 7 Operating and display elements.
10.1 Reading of the set parameters
► Press [Mode/Enter] until the requested parameter is displayed�
► Press [Set] briefly�
> The unit displays the corresponding parameter value for about 15 s� After
another 15 s the unit returns to the Run mode�
10.2 Fault indication
[OL] Overload pressure (measuring range exceeded)
[UL] Underload pressure (below measuring range)
[SC1] Short circuit in OUT1*
[SC2] Short circuit in OUT2*
[SC] Short circuit in both outputs*
[Err] Flashing: internal fault
*The output concerned is switched off as long as the short circuit exists�
The messages SC1, SC2, SC, and Err are shown even if the display is switched off�
10.3 Setting ranges
SPx / FHx rPx / FLx
ΔP
min max min max
PQ7809
bar -0�98 1�00 -0�99 0�99 0�01
kPa -98 100 -99 99 1
PSI -14�2 14�6 -14�4 14�4 0�2
inHG -28�8 29�7 -29�1 29�4 0�3
PQ7834
bar -0�90 10�00 -0�95 9�95 0�05
kPa -90 1000 -95 995 5
PSI -13 145 -14 144 1
inHG -26 296 -28 294 2
ΔP = step increment
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