3 fluid information, 4 auto zeroing – Bronkhorst LIQUI-FLOW mini (till 01-07-2013) User Manual
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9.17.065
page 16
Customer model
Type Access
Range
FlowDDE
FLOW-BUS
Unsigned char[16] RW -
93
113/4
Digital instrument manufacturing configuration information string. This string can be used by Bronkhorst High-Tech to
add extra information to the model number information.
4.1.3 Fluid information
The following parameters give information about the selected fluid range
.
Fluid name
Type Access
Range
FlowDDE
FLOW-BUS
Unsigned char[10]
RW -
25
1/17
Fluid name consists of the name of the fluid. Up to 10 characters are available for storage of this name.
Fluid unit
Type Access
Range
FlowDDE
FLOW-BUS
Unsigned char[7]
R
-
129
1/31
The Fluid unit can be read by parameter ‘capacity unit’. This parameter contains the unit in maximal 7 characters.
Fluid Capacity (@100%)
Type Access Range
FlowDDE FLOW-BUS
Float R
±1E-10…
±1E+10 21
1/13
Capacity is the maximum value (span) at 100% for direct reading in sensor base units.
Fluid Capacity (@0%)
Type Access Range
FlowDDE FLOW-BUS
Float R
±1E-10…
±1E+10 183
33/22
This is the capacity zero point (offset) for direct reading in sensor base units.
4.1.4 Auto zeroing
To start the auto zero-procedure two parameters should be written:
Control Mode
Type Access
Range
FlowDDE
FLOW-BUS
Unsigned int
RW
0…18
12
1/4
Check section 3.5.2 for available control modes.
Calibration Mode
Type Access
Range
FlowDDE
FLOW-BUS
Unsigned int
RW 9
58
115/1
Value
Mode
Instrument action
0 IDLE
Idle
9 AUTO_ZERO
Auto-zeroing
255 ERROR
Idle