ROTRONIC PF4 - Manual (Page 15)

E-M-PF4-V1_00
Rotronic AG
Bassersdorf, Switzerland
Document Code Unit
PF4 Differential Pressure Transmitter:
Instruction Manual
Instruction Manual
Document Type
Page 15 of 54
Document Title
© 2014; Rotronic AG E-M-PF4-V1_00
3.8 Display and Keys
The optional LCD for the PF4 has a backlight.
The display unit is configurable. Depending on the version (differential pressure / differential pressure & Pt100
/ differential pressure & HC2 connection), the different parameters can be assigned to the different display lines.
In the full version with HC2 connection, there are three display lines available. They can be assigned the
following parameters:
 differential pressure
 humidity
 temperature

analog input (is only shown when analog input is active)
 calculation
 no
value
The first line of the display shows the differential pressure, the second the relative humidity and the third the
temperature or calculated value such as dew point / frost point. A trend indicator can also be configured for
every line.
The optional LCD for the PF4 has a backlight. The first line of the
display shows the differential pressure, the second the relative
humidity and the third the temperature or calculated value such
as dew point / frost point. The display can be configured to show
a trend indicator in every line.
Figure 4: Display of the PF4 with connected HC2 probe
Keys:
menu: Open menu / Next-higher menu level
+: Increase value
-: Decrease value
 : OK / Next-lower menu level
3.8.1 Alarms
Measured values with an alarm are shown with an exclamation mark [!]. Alarms are configured with the HW4
software.