Connection Of Interface; Calibration - Baxtran SNU Manual De Usuario

User's Guide
respectively that indicator will power off automatically if there is no changes on weighing value and
no operation on keyboard in 3 mins, 10 mins, 15 mins and 30 mins. Choice 0 denote that automatic
power off function is not available. Press
time.
BUZZER
After setting the function of automatic power off, the indicator will display 'bp on' or 'bp off'.
Press
power consumption.
(Please specify in the order if needed)
RS232 serial interface is a D-SUB-9 needle slot as figure 2 shows:
1 2 3 4 5
MEANS OF POWER SUPPLY
A. Rechargeable battery
The rechargeable battery is 6V/4.5Ah. The end of red line is positive pole, while the end of black
line is negative pole. Connect the wiring terminals and tighten the screw up to fix battery well. The
rechargeable battery should be charged through adapter by pugging the adapter into power supply to
achieve automatic charge.
B. AC/DC adapter
Insert DC plug of the adapter, whose spedcification is 12V/500mA, into a DC socket, insert the other
end into relevant AC socket and connect to power supply.
In case there is no AC supply and dry battery is used as substitute, do remember to pull out DC plug
of the adapter, otherwise the indicator will fail to work.
1. Open up the outer case of indicator before calibrate, plug the circuit breaker JP1 into 'on'.
2. Press and hold
3. Press
the scale will display on the screen.
4. Press
the previous weight will show on the screen.
5. Load weight on the scale, say weight of 20 kg. After stable indication
digit position (the selected digit position will blink). Digit position will carry forward to the right side
when pressing
'20.00' is displayed, then press
6.'- - - - - -' will display on the screen automatically after finished the operation as Point 4 describe,
indicating the scale enter into calibration and weighing mode.
7. If '20kg' displays on the screen, it denotes the consistency with weigh value; in case of none consis-
tency, please recalibrate again.
8. Offload the weight, reading '0.00kg' will display and
weighted on the scale.
9. The scale will return to weighing mode after calibration is finished. Do remember to plug the circuit
breaker into 'off' position.
18
to select 'on' or 'off' to turn on/off the buzzer. Non-buzzing mode will help decreasing
6 7 8 9
for 1.5 seconds, indicator will display 'CAL SP'.
to enter calibration mode, 'CAL 00' which denotes that there is nothing being weighed on
to enter mode of automatic zero correction and '- - - - - -' will display. After few seconds,
every time. Press
to select then press

6. CONNECTION OF INTERFACE

Diagram of RS232 slot
2: Pin RXD
3: Pin TXD 1
5: Pin GND
to set the digit among 0-9. Repeat the above operation till
to confirm.
will show denoting there is nothing being
to confirm the selected preset
9: Pin TXD 2

7. CALIBRATION

displays, press
SNU
to select