E
2
PROM is changed for please input the former calibration setting and turn
on the indicator or calibrate it again.
4.5
Connection Error Notice
Display
Note
Err P
Lack of paper, printer connection error or printer error. Please press any key
to exit. Please add paper, reconnect the printer or change with a new printer
Appendix 1
.
：
Serial communication data mode
All data are the ASCII code. Each frame data is formed by 10 digits. The first digit is starting digit,
the 10
th
digit is the stopping digit and the 8 digits in the middle are the data digits. The
communication format is as follows:
I. Continuous Sending Mode:
The sending date is the current weight of indicator (Gross weight or Net weight). Each frame is
formed by 12 groups of date. The format is as follows:
No. X Byte
Contents and Notes
1
02(XON) Start
2
+ or - Symbol Bit
3
Weighing Data High Bit
：
Weighing Data
：
：
Weighing Data
：
8
Weighing Data Low Bit
9
Decimal Digit From Right to Left
（
0
～
4
）
10
XOR Checksum High Four Digit
11
XOR Checksum Low Four Digit
12
03(X0FF) Over
XOR Checksum
＝
2
⊕
3
⊕
……8
⊕
9
II. Instruction Mode:
Indicator output the corresponding data according to the commands released by the PC.
Whenever the PC release an instruction the indicator will output one frame of data accordingly.
PC commands:
No. X
Byte
Contents and Notes
1
02(XON) Start
2
A
～
Z Address Serial No.
3
A
～
I Command A
：
Handshake Command B
：
Read
Gross Weight Command C
：
Read Tare
Command D
：
Read Net Weight Command E
：
Read Vehicle
No. Command F
：
Read Cargo No.
Command G
：
Clear All Record Command H: Zero
Command I
：
Tare off
4
XOR Checksum High Four Digit
5
XOR Checksum Low Four Digit
6
03(X0FF) Over
XOR Checksum
＝
2
⊕
3
⊕
……
(
n-1
)
⊕
n
Indicator Output Contents
