Endress+Hauser promag 30, Operating Manual

Page: 43 / 72

Display functions
Display Function Description
rAtE
Display flow rate Display of the current flow rate or totaliser volume. A negative flow direction is indicated
by a negative digit.
To select the measuring unit
⇒
press “ Set ” key
tot
Display totaliser Caution!
Setting of SI/US units is done by miniature switches on the measuring
amplifier board (see page 37)
.
dISP-OF
Display
overflow totaliser Display of the number of overflows at numerical values > 99 999 999 .
A maximum of 21 overflows is displayed. Starting with the 22nd overflow,
the totaliser begins to sum up from “0” upwards.
rAtE-tot
Display
Flow rate/totaliser Alternating display (about every 10 seconds) of the current flow rate and totaliser value.
EPd-oFF
Empty Pipe
Detection (EPD) The EPD function detects whether a measuring pipe is only partially filled with liquid
For ON/OFF switching
⇒
press “ Set ” key
EPd-Ad_E
Empty pipe
adjustment Empty/full pipe adjustment for EPD
To start adjustment
⇒
press “ Set ” key
EPd-Ad_F
Full pipe adjustment Note!
•
Any adjustment has to be done before switching on EPD
(otherwise the
ADJ_ERROR
message is displayed).
•
During adjustment the message ADJ_BUSY is displayed
for about 0.5 s. After any adjustment
ADJ_DONE
is displayed
tESt
Test function Accessing this function activates an automatic test sequence of all display elements;
the following displays are shown:
1. + 88 888 888 (incl. display segments)
2.
- 00 000 000
(without display segments)
3. All display elements are blank
4. Flow indication
Additional Information!
•
Jumper:
L eft position
⇒
auxiliary input configured for “measured value suppression”.
If the measuring value suppression is activated an eight-bar symbol is displayed.
R ight position
⇒
auxiliary input configured for “totaliser reset” to allow resetting the totaliser
to “0” independently of the current display mode. The function of the “totaliser Reset” key is maintained.
•
In case of system or process errors (incl. EPD) outputs react as described in section 6.1 of the Operating
Manual.
•
In case of a supply breakdown, all measuring data (e.g. totaliser value) and configurations are saved and
again available once the device is restarted.
•
If a sensor equipped with an EPD electrode has to be exchanged during servicing, then the EPD calibration
must always be carried out again.
Promag 30 5. Operation and Commissioning
Hauser 43