A&D SW-150KL Instruction Manual page 31

Circuit diagram
SW
LOLO
LO
OK
HI
HIHI
Solid sate relay
Data format
S
Header
There are 4 headers for the weighing data.
ST: Stable weighing data
QT: Stable counting data
US: Unstable weighing data
OL: Out of weighing range
The data consists of 9 characters including the polarity and decimal point.
There are 5 units.
_ k g: Weighing mode "kg"
_ _ g: Weighing mode "g"
_ l b: Weighing mode "lb"
_ o z: Weighing mode "oz"
_ PC: Counting mode "pcs"
As a terminator,
is designed as DCE (Data Communication Equipment).
SW inside
,
T + 0 0
is always output.
C L
R F
1 Receive data RXD
2 Transmit data TXD
3 Data set ready DSR
4 Signal ground SG
5 Shield SHLD
1 Relay output LOLO
2 Relay output LO
3 Relay output OK
4 Relay output HI
5 Relay output HIHI
6 Relay common COM
7 Shield SHLD
.
0 0 0 0
Data
29
0 _ k g C
R
Unit Terminator
L
F