（
Chart 2-4
）
Printer interface signal
b)
Notice of Print
i.
Please set up function before operation.
ii.
Make sure the indicator and printer have been connected with matched wire in a
right way. Otherwise it will damage the indicator and printer terminals or
equipment.
iii.
Before printing, firstly connect the printer and indicator in right way, secondly
power on the indicator then printer. After using, please power off the printer first,
then indicator, at last put off the wire.
iv.
Various printers have different function, so choose one that match the indicator.
Please use the one we recommended which is available under DOS system such as
Canton BJC255SP, Panasonic KX-P1121 and so on.
v.
Signal ground of the printer is not allowed to connect power ground. Otherwise
damage occurs.
4.
Connection between Display Screen and Indictor
Make sure the indicator and display terminal have been connected with matched wire in a
right way. Otherwise it will damage the indicator and display terminals, even equipments.
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Page 10 of 38
1.
The display terminal adopts 25 pins RS232 port (share the same port with PC serial
interface and calibration). Please refer to the chart 2-5 for the detailed information.
PC
（
1,2
）
Control 1 Control 2 Control 3 Control 4 ?
TXD GND GND
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15
OUT+ OUT- TXD
Display terminal ( 9,10: electric current loop mode; 3,11: RS232 mode )
Chart 2-5
2.
Display signal: RS232 mode or 20mA electric ring loop mode, binary system inline
output, baudrate 600 baud. 11 digits per group,
3.
When display signal output, the indicator will show the weighing data which is
synchronous to VFD. And the indicator light turns on automatically to show that they
are connected in a right way. One group data contains 3 frames of data. Please refer to
the chart for the detailed information.
First frame
：
