Commissioning Liquiline CM442/CM444/CM448
52 Endress+Hauser
9 Commissioning
9.1 Function check
Incorrect connection, incorrect supply voltage
Safety risks for staff and device malfunctions
‣ Check that all connections have been established correctly in accordance with the wiring
diagram.
‣ Make sure that the supply voltage matches the voltage indicated on the nameplate.
9.2 Switching on the unit
During the device startup phase, the relay and current outputs have an undefined status
for a few seconds prior to initialization.
Watch out for possible effects on any actuators which may be connected.
9.2.1 Setting the operating language
Setting the language, configuring the display
If you have not already done so, close the housing cover and screw the device closed.
1. Switch on the supply voltage.
Wait for the initialization to complete.
2. Press the soft key for "MENU". Select your language in the top menu item.
3. Go to the "Display/Operation" menu and configure your desired display settings (Contrast,
Backlight and Screen rotation).
You have now changed the display to suit your requirements and can operate the device
in the preferred language.
9.2.2 Display settings
Path: Menu/Display/Operation
Function Options Info
Contrast 5 to 95 %
Factory setting
50 %
Adjust the screen settings to suit your working
environment.
Backlight="Automatic"
The backlighting is switched off automatically after a
short time if a button is not pressed. It switches back on
again as soon as you press the navigator button.
Backlight="On"
The backlighting does not switch off automatically.
Backlight Options
•On
•Off
•Automatic
Factory setting
Automatic
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