Flexim FLUXUS WD, Operating Instruction

Page: 130 / 174

17 Advanced functions
17.3 Calculation channels
FLUXUS WD
2018-07-16, UMFLUXUS_WDV1-3EN
130
• Select
No limit
if the calculation channel has to output all negative values without upper limit
• Press ENTER.
• Select
Set to limit
if the calculation channel has to output the limit when falling below the upper limit.
• Press ENTER.
• Select
Set to error
if the calculation channel has to output an error (
UNDEF
) when falling below the upper limit.
• Press ENTER.
It is possible to define 2 cut-off flows for each calculation channel. They are entered in the unit of measurement of the
physical quantity selected for the calculation channel.
• Enter a value for the positive cut-off flow.
• Press ENTER.
All positive calculated values less than the limit are set to zero.
• Enter a value for the negative cut-off flow.
• Press ENTER.
All negative calculated values that are greater than the limit are set to zero.
17.3.3 Output options for a calculation channel
• Select the program branch
Options
.
• Press ENTER.
• Select a calculation channel for which the physical quantity is to be entered.
• Press ENTER.
• Select
Measurement
.
• Press ENTER.
• Select a physical quantity which is to be transmitted via the calculation channel.
• Press ENTER.
For the selected physical quantity (except sound speed), a scroll list with the available units of measurement is displayed.
The unit of measurement which was selected previously is displayed first.
• Select the unit of measurement of the physical quantity.
• Press ENTER.
• Enter the damping factor.
If the damping factor for the measuring channels A or B has already been entered in the program branch
Options
, see
section 9.2.3, enter zero.
• Press ENTER.
Parameters\Channel Y\Calculation type\-upper limit
Parameters\Channel Y\Calculation type\+Cut-off flow
Parameters\Channel Y\Calculation type\-Cut-off flow
Options\Channel
Options\Measurement\Physical quantity
Options\Measurement\Damping