Communication
42/14-42-EN Sensyflow
FMT700-P
31
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6.1.2.1 How the totalized value is represented
The value can be represented in 3 ways:
1. Shown on display
"1." is generally combined with "2." or "3."
The display period is determined by 2 factors:
- A fixed "readout time", approx. 5 seconds
- The set measuring rate (see section 6.2.1)
The result is displayed in grams (g) or normal liters (l
N
).
2. 15-bit parallel interface
Following the STOP signal, the mass flowrate value ("m") is
made available at the digital output for approx. 15 seconds in
the form of a digital 15-bit binary signal along with the DATA
READY BIT.
For details of pin assignment, see section 3.3. The measured
value ("m") is output in grams (g) or normal liters (l
N
).
After approx. 5 seconds, the device automatically switches
over to the normal operating mode.
3. Serial interface
As with the 15-bit interface, the START / STOP signal is
implemented using pins 23 and 24 of the 25-pin D-SUB socket
(see section 3.3).
Once the measuring process is complete, the totalized value is
stored. Use the command XA
CR
to retrieve this value.
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