BASI
Electromagnetic flowmeter
BF
M921
Operation manual
45
Conversion constant for flowrate user unit
FFC(?)<DNPD>
Command sets conversion constant for flowrate user unit with respect to [l/s].
<DNPD>
It represents a constant, which is calculated as a ratio between flowrate in user unit and flowrate in basic
unit
( [l/s] ). For example constant for [m3/h] is 3.6.
BF
M921 confirms execution with string „Ok<cr>”. In
case of query
BF
M921 returns set constant.
Example:
Command „FFC3.6<cr>” sets constant “3.6 “. After query „FFC?<cr>” flowmeter returns
„3.600000<cr>”.
Flowrate direction
FFD(?)<CPD> { 0 | 1 }
Following directions can be set:
0
Positive
1
Negative
BF
M921 confirms direction with string „Ok<cr>”.
Example:
Command „FFD0<cr>” sets “Positive direction”. If query „FFD?<cr>” is sent, flowmeter returns response
in format „0<cr>”.
Low flow cutoff
FLF(?)<DNPD>
Command sets flowrate limit for suppression low flowrates.
<DNPD>
It represents flowrate expressed in actual unit. All flowrates below this limit are displayed as 0. M921
confirms execution with string „Ok<cr>”. In case of query M921 returns set low flow cut-off.
Example:
Command „FLF0.2<cr>” sets low flow cut-off “0.2“. After query „FLF?<cr>” flowmeter returns
„0.200000<cr>”.
