Bronkhorst®
Instruction Manual EL-FLOW® Select
9.17.099J
45
Capacity 100%
Type
Access
Range
FlowDDE
FLOW-BUS
Modbus
Float
RW
B
1E-10…
1E+10
21
1/13
0x8168…0x8169/33129…33130
·
This parameter represents the 100 % readout/control value (span) for the selected fluid, expressed in the selected
Capacity
Unit
.
·
Capacity 100%
is scaled when
Inlet Pressure
,
Fluid Temperature
or
Fluid Name
is changed for the selected fluid.
Capacity Unit
Type
Access
Range
FlowDDE
FLOW-BUS
Modbus
Unsigned char[7]
RW
B
see below
129
1/31
0x81F8…0x81FB/33273…33276
This parameter represents the unit in which the
Capacity 0%/100%
parameters are expressed.
Available units:
Mass flow
Normal volume flow
(1.01325 bar(a), 0 °C)
Standard volume flow
(1.01325 bar(a), 20 °C)
Custom volume flow
(
Capacity Unit Type Pressure
,
Capacity Unit Type
Temperature
)
ug/h, ug/min, ug/s,
mg/h, mg/min, mg/s,
g/h, g/min, g/s,
kg/h, kg/min, kg/s
uln/h, uln/min, uln/s,
mln/h, mln/min, mln/s,
ln/h, ln/min, ln/s,
ccn/h, ccn/min, ccn/s,
mm3n/h, mm3n/m,
mm3n/s,
cm3n/h, cm3n/m, cm3n/s,
m3n/h, m3n/min, m3n/s,
scfh, scfm, scfs,
sccm, slm
uls/h, uls/min, uls/s,
mls/h, mls/min, mls/s,
ls/h, ls/min, ls/s,
ccs/h, ccs/min, ccs/s,
mm3s/h, mm3s/m, mm3s/s,
cm3s/h, cm3s/m, cm3s/s,
m3s/h, m3s/min, m3s/s
ul/h, ul/min, ul/s,
ml/h, ml/min, ml/s,
l/h, l/min, l/s,
cc/h, cc/min, cc/s,
mm3/h, mm3/m, mm3/s,
cm3/h, cm3/m, cm3/s,
m3/h, m3/min, m3/s,
cfh, cfm, cfs
Because of the maximum string length (7 characters), some unit names are abbreviated. For instance mm3n/m means
mm
3
n/min.
Capacity Unit Type Temperature
Type
Access
Range
FlowDDE
FLOW-BUS
Modbus
Float
RW
B
-273.15…
3.4E+38
245
33/10
0xA150…0xA151/41297…41298
This parameter defines a reference temperature for conversion of the measured mass flow to a volume flow. See also
parameters
Capacity Unit
and
Counter Unit
.
Capacity Unit Type Pressure
Type
Access
Range
FlowDDE
FLOW-BUS
Modbus
Float
RW
B
0…3.4E+38
246
33/11
0xA158…0xA159/41305…41306
This parameter defines a reference pressure for conversion of the measured mass flow to a volume flow. See also
parameters
Capacity Unit
and
Counter Unit
.
4.7.1
Advanced fluid set parameters
Note that the parameters described in this section do not contain any actual measurement values, but only fixed reference
values, which can be used for capacity calculations, etc.