Data Format - A&D EJ-123 Instruction Manual

Pin Connections
Inside of the balance
The interface is designated as DCE (Data Communication Equipment).
9.3.

Data Format

S
Header
There are four types of headers:
ST : Stable weighing data (including % data)
QT : Stable counting data
US : Unstable weighing data (including counting and % data)
OL : Out of weighing range (Over)
The data is normally 9 digits including a decimal point and a sign.
There are 10 types of units:
g : Weighing data "gram"
P C : Counting data "pcs"
% : Percentage data "%"
o z : Weighing data "decimal ounce"
o z t : Weighing data "troy ounce"
c t : Weighing data "carat"
d w t : Weighing data "penny weight"
GN : Weighing data "grain"
N : Force data "Newton"
D S : Calculated density (specific gravity) value
The terminator is always C
Example of output data:
Weighing data "gram"
Counting data
Percentage data
Out of range "gram" (+)
Out of range "pcs" (-)
,
T + 0 0
Separator
L .
R F
S T , + 0 0 1 2 . 3 4 5
Q T , + 0 0 0 1 2 3 4 5
S T , + 0 0 0 1 2 3 . 4
O L , + 9 9 9 9 . 9 9 9
O L ,
D-Sub 9 pin male connector
1 N.C.
2 Transmit data
3 Receive data
4 N.C.
5 Signal ground
6 Data set ready
7 Request to send
8 Clear to send
9 N.C.
.
0 0 0 0
Data
- 9 9 9 9 9 9 9 9
25
0 g C
R
Unit Terminator
(" " shows a space.)
P C C
P C C
L
F
g C L
R F
L
R F
% C L
R F
g C L
R F
L
R F