KROHNE OPTIMASS Series Handbook page 81

Flow direction Fct. 3.1.4
This function allows the user to select the direction of the flow measurement in relation to the arrows on
the Front End housing. (see section 1.1 General Principles). 'Forward' is selected if the flow is in the same
direction as the + arrow and 'Backward' if the flow is in the reverse or negative direction, i.e. same
direction as the – arrow.
Note: if flow meter is installed in the line with the flow in the 'wrong' direction, this can bee corrected by
selecting the required direction for the measurement in this menu.
To select the option required:
Key
From
→
When the correct option is in the display the ↵ key may be pressed to accept the option.
Pipe diameter Fct. 3.1.5.
This function provides the user with an additional measurement of velocity. To provide this measurement,
the pipe diameter of the measurement tube is required for the calculation. This value can be either the
sensor tube internal diameter (default), or the internal diameter of the process pipe.
To set/check this value:
Key
From
→
This can be changed using the → the ↑ keys to change these values if not correct.
When the correct option is in the display the ↵ key may be pressed to accept the option.
The setting of the Velocity function to an output is described in Section 5.4 (Fct 4.2.1)
Additional Totaliser Fct. 3.1.6
An additional totaliser can be viewed on the display by allocating a function to it in this menu.
The options available are:
• None
• Mass Total
• Volume Total
• Conc. Total
To select an option:
Key
From
→
By using the ↑ key one of the options can be selected from the list.
When the correct option is in the display the ↵ key may be pressed to accept the option.
Error Messages Fct. 3.1.7
The menu allows the user to select which status message is to be displayed in the event of a malfunction.
One of the following can be selected according to groups described in Section 7.2:
• Basic Errors
• Transducer Error
• I/O Errors
• All Errors
To select an option
Key
From
→
By using the ↑ key one of the options can be selected from the list.
When the correct option is in the display the ↵ key may be pressed to accept the option.
Display
Line 1
3.1.(4)
(FORWARD) or 'BACKWARD' can be selected using the ↑ key
Display
Line 1
3.1.(5)
e.g. 06.00
Display
Line 1
3.1.(6)
(none)
Display
Line 1
Fct. 3.1.(7)
Basic Errors)
Installation and Operating Instructions OPTIMASS
Line 2
Flow Dir.
Line 2
Pipe Diam.
mm (default for 06 sensor)
Line 2
Add. Total
Line 2
Error MSG
80