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