KROHNE UFM 610P EN - Manual (Page 38)

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4.2.4 Flow at max. output
This sets the output at the top end of the scale so that the maximum flow gives 20mA (or 16mA). The instrument automatically
defaults to the maximum flow rate, but by pressing ENTER the user can scale the output to any level required. When selected
press ENTER to continue. If the flow was to go over the maximum range set, the instrument will go to a maximum of 24.4 mA
and stay there until either the flow reduces or the output is re-scaled. The instrument will also display a warning message that
says the mA out over range if the output is greater than 20mA or 16mA, whichever has been set.
4.2.5 Flow at min. output
This sets the output at the bottom end of the scale so that the minimum flow gives 4mA or 0mA.
The instrument automatically defaults to zero, but the user is able to enter any figure they wish including a minus figure for
reverse flow conditions.
4.2.6 Output at mA for error
This gives an error output, which would inform the user of loss of signal. This can be set to any figure between zero and 24mA,
but defaults to 22mA.
4.2.7 Exit
4.3 RS232 output key
This is set up in exactly the same way as when the RS232 is set up from the MAIN MENU (See 3.8).
4.4 Delete key
If anything is entered in error, press the DELETE key and re-enter the information required.
4.5 Pulse output key
This can only be operated in flow mode.
Use the scroll key to move the cursor up or down the display. To
change the flow units press the key required. This will also change
the flow units when returning to the flow mode. Changing the flow
units will also re-scale the litres per pulse. PULSE OUTPUT yy-mm-dd hh:mm:ss
Flow units l/s
OutputOFF
Max. pulse rate
1 per sec
Litres per pulse 12.76
Exit
Outputs allows the user to select from the following.
Selecting Off switches the pulse off and returns to the PULSE
OUTPUT display. Selecting Forward total counts the pulses of
the forward flow only. Selecting Net total counts the pulses of the
sum of the forward total less the reverse total. OUTPUT yy-mm-dd hh:mm:ss
Off
Forward total
Net total
4.5.1 Max. pulse rate
This option allows the user to select between fast/slow pulses or large/small pulse width. Select 1 per second for slow pulses and
100 for a fast pulse. The pulse width for 1 per second is 100ms and 5ms for 100 per second.
4.5.2 Litres per pulse
This will change when the flow units are changed above. When the correct flow units are selected this allows the user to scale
the pulses to there own requirements or it can be left in the default setting.