Aft AFT-2000W - Page 19

19
AFT-2000W User Manual
Flow rate can be in
0. Cubic meter short for (m
3
)
1. Liter (l)
2. USA gallon (gal)
3. Imperial Gallon (igl)
4. Million USA gallon (mgl)
5. Cubic feet (cf)
6. USA liquid barrel (bal)
7. Oil barrel (ob)
The flow unit in terms of time can be per day, per hour, per minute or per second. So there
are 32 different flow rate units in total for selection.
M32
Window for selecting the totalizers unit. Available units are the same as those in M31
M33
Window for setting the totalizer multiplying factor
The multiplying factor ranges from 0.001 to 10000. Factory default is 1
M34
Turn on or turn off the NET totalizer
M35
Turn on or turn off the POS (positive) totalizer
M36
Turn on or turn off the NEG(negative) totalizer
M37
(1) Totalizer reset
(2) Restore the factory default settings parameters. Press the dot key followed by the
backspace key. Attention, It is recommended to make note on the parameters before doing
the restoration
M38
Manual totalizer used for easier calibration. Press a key to start and press a key to stop the
manual totalizer.
M39
Interface Language selection.
The selection could also be changed automatically by the system, if English LCD display
is used as the display device.
M3.
Setup for local segmental LCD display. Enter 0 or 1 for the non-auto-scan mode; Enter
2~39 for the auto-scan mode. In the auto-scan mode the display will automatically scan
displaying from 00 to the entered number of the local segmental LCD display.
M40
Flow rate damper for a stable value. The damping parameter ranges form 0 to 999 seconds.
0 means there is no damping. Factory default is 10 seconds
M41
Low flow rate (or zero flow rate) cut-off to avoid invalid accumulation.
M42
Zero calibration/Zero point setup. Make sure the liquid in the pipe is not running while
doing the setup.
M43
Clear the zero point value, and restore the solidified zero point value.
M44
Set up a flow bias. Generally this value should be 0.
M45
Flow rate scale factor. The default value is ‘1’.
Keep this value as ‘1’, when no calibration has been made.
M46
Networks address identification number. Any integer can be entered except 13(0DH,
carriage return), 10 (0AH, line feeding), 42 (2AH), 38, 65535.
Every set of the instrument in a network environment should have a unique IDN. Please
refer to the chapter for communication.
M47
System locker to avoid modification of the system parameters.
If password is forgotten, you could send a command ‘LOCK0’ to the serial input to unlock.
Or you can write 0 to REGISTER49-50 under MODBUS protocol.