9
awaiting the stabilization cursor“STAB” appear, press [TARE] to confirm.
Note:
You should place the samples with verified amount on the scale platform almost at the same time.
And the weight of single sample should approach the display division value as far as possible.
6.6.2 Counting
After finishing the sampling-operation, you can load the even-weight article like sample on the scale
platform, at this time the indicator displays the article amount on the scale platform.
6.6.3 Entering weighing-state
Under basic counting state, press [MODE], the indicator withdraws from counting state and enters
weighing mode at the same time.
6.7 RS–232 Output
6.7.1 The 3-core aerial outlet is used for RS-232 hardware interface, and the outlet is mounted on the
back housing of the indicator, see the following drawing:
Figure 5: 3-core metal outlet
6.7.2 The indicator serial interface transmits data in MCS-51 mode 1, and the data are sent out in ASCII
method. Every group has 17 frames including 1 frame of start character (02), 3 frames of state
mark, 6 frames of displaying data, 6 frames of tare data and 1 frame of enter. For the details, see
the following drawing:
STX
State A
State B
State C
Display Value
Tare Value
Enter
Serial output pattern
STX：start character， 02H
State A：control character for decimal point（D7 refers to verification bit）
D7
D6
D5
D4
D3
D2
D1
D0
Decimal point place
Verification
0
1
0
1
0
1
0
Without decimal point
