Chapter 6 Communication Protocol
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in the pipe under normal working conditions.
(a) There is probably an offset value wrongly entered by the user in M44. Enter‘0' in
M44.
(b) Problem with transducer installation.
(c) There is a‘Zero Point'. Try to‘zero' the instrument by using M42 and make sure
that the flow inside the pipe should be standstill.
(3) The battery can not work as long as the time period as indicated by M07
(a) Battery should be replaced due to the end of the service life.
(b) Newly changed battery does not fit the battery estimating software. Customizing
the battery with the software should be taken. Please contact the factory
(c) The battery has not been fully recharged or the recharge has been stopped too
many times halfway.
(d) There is indeed a time difference between the actual working time and the
estimated one, especially when the terminal voltage is in the range 3.70 and 3.90
volt. Please refer to battery voltage for a closer estimated working time.
Chapter 6 Communication Protocol
6.1 General
The 2100H series ultrasonic flow meter integrates a standard RS-232C
communication interface and a complete set of communication protocols that are
compatible with that of the Fuji's ultrasonic flow meter.
6.2 Interface Pin.out Definition
Pin
1
2
3
4
5
6
7
8
9
for battery recharge, positive input
RXD
TXD
not used
GND
OCT output
not used
for battery recharge, negative input
RING input for connecting a MODEM
Содержание SUP-2100H Series
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