FISCHER DE49 A Series, Operating Manual

Page: 13 / 36

FISCHER Mess- und Regeltechnik GmbH Commissioning | 4
BA_EN_DE49_A 13/36
4 Commissioning
4.1 Generalities
WARNING
Operation in areas at risk of explosion
If operated in explosive areas, the electrical data of the unit and the valid local
regulations and guidelines for the installation and operation of electrical systems
in explosive areas must be observed. (e.g. DIN EN 60079)
A prerequisite for commissioning is correct installation of all electrical supply
lines and the pressure lines. All connections are arranged so that there are no
mechanical forces acting on the device.
4.2 Control elements
Measured value display Measuring unit
Tastatur Measuring range overstepping
Fig. 8: Display and keypad
The LCD display shows the current pressure value in normal mode. The unit is
shown to the right of the measured value.
It is operated via a 3-key film keypad
ÿ
Page down menu Decrease value
û
Call up menu Save value OK
þ
Page up menu Increase value
4.3 Parameters
After being activated, the device briefly displays the software version number
and carries out a display test. Then the transmitter goes into normal mode.
When setting the parameters, the display either shows the respective menu
item or the associated parameter value. The device continues to function whilst
the parameters are being set; the changes come into effect instantly.
Please note that the transmitter will switch to the operating mode again, if no
key is pressed for more than 1 minute.
Proceed as follows to set a parameter:
• Press the enter key
û
to switch to the menu.
ESc
will appear on the dis-
play.
• Use the arrow keys
þ
to select the first parameter.
• If a password has been entered,
-p-
appears in the display. Enter the pass-
word to unlock the menu.
• Use the arrow keys
ÿ þ
to scroll through the menu.
• Press the enter key
û
to call up the parameter.
• Use the arrow keys
ÿ þ
to set the required value.
• Press the enter key
û
to save the value.