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7 oPeRAtIon
7.1 status display/Locked display
The unit is in operating mode.
➔ The display does not have to be switched
on. The current pressure value and, in certain
circumstances, a message are displayed imme-
diately.
50.0
DG smart
Limit ½: 20.0/60.0
➔ The device name and set limit values (MIN/MAX
function) are displayed in the bottom section.
Unlocking the display
➔ Press and hold the OK key (for around 1.5 s) to
unlock the display.
➔ The main menu will appear in the display.
➔ The user keys are used for menu navigation and
parameter setting purposes.
➔ When it is first switched on, the DG smart
automatically starts operating with the previously
parameterized settings or the default settings.
➔ Password-protected settings can be edited by
logging into the DG smart or the web server.
Login to edit password-protected parametes,
see page 5 (8 Changing the password).
Setting using the web server, see TI DG smart,
section entitled "Web server".
7.1.1 Display of bus protocol
The following is shown in the display if the Modbus
TCP connection is active/inactive:
Eth:... = not connected
Eth:con = connected
50.0
DG smart
Limit ½: 20.0/60.0
For details of the Modbus TCP, see TI DGS, section
entitled "Modbus Holding Register".
7.2 Main menu
Various parameters can be accessed using the
following menu hierarchy.
Main Menu
Parameters
Settings
Statistics
Information
Service
➔ Press the UP/DOWN keys to navigate in the
menu. Press the OK key briefly to confirm your
selection.
➔ Press the Back key briefly to return to the status
display.
mbar
Eth:con
mA:12
mbar
Eth:con
mA:12
8 CHAnGInG tHe PAssWoRD
1 Select "Settings" in the main menu.
Display
Passwort
2 Select the "Password" parameter.
Enter current passwort:
A four-digit numerical password restricts access to
the unit. The password can be changed. The default
value is 0000.
CAUtIon
Incorrect use!
Please note the following to avoid damage:
– Change the password immediately after
commissioning!
enter the password.
3 Press the appropriate cursor key to change the
password numbers.
4 Press the OK key to confirm the number and go
to edit the next entry box.
5 When all 4 numbers have been set, press the OK
key to save the new password.
➔ You can also select "Cancel" using the cursor
keys and exit the input process.
9 CoMMIssIonInG
A zero point adjustment must be carried out at
operating temperature during the commissioning
process.
1 Vent the gas pipe.
2 Read the pressure value and enter it in Parame-
ters -> Safety parameters -> Negative value
(enter password when prompted) and confirm
with OK.
3 Go to the main menu using the Back key.
➔ The parameters are saved and the unit is
restarted.
➔ The current ambient pressure will be saved as
the zero point adjustment.
➔ The unit is now ready for operation.
EN-5
Settings
Login
*
– – – –
Confirm
Cancel
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