BWS Series Indicator Technical Manual
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8. RS-232 OUTPUT
8.1. Specifications: (1 Com port)
RS-232 output of weighing data
Code : ASCII
Data bits : 8 data bits
Parity : Parity selectable
Baud rate : 600bps to 9600bps selectable
8.2. RS-232 (Db9 type connector)
Pin
２
RXD
Input
White
Receiving data
Pin
３
TXD
Output
Blue
Transmission data
Pin
５
GND
―
Green
Signal ground
Db9 Connecter to computer/printer (null modem)
Indicator Computer
Pin 2: Pin 3
Pin 3: Pin 2
Pin 5: Pin 5
8. 3. Continuous output protocol
Weighing mode
<STX> <POL>
<WWWWWWWW>
<UNIT> <G/N> <S> <TERM>
ASCII 02
decimal
Polarity:
<space>=Positive
<->=Negative
Weight:7 digits, right-justified, dummy
zeroes, decimal point with no leading
zeroes except for leading zero immediately
preceding the decimal point. leading zeroes
transmitted as spaces.
L= pounds
K= kilograms
O= ounces
G= grams
G=Gross
N=Net
Status:
<space>=Valid
I=Invalid
M=Motion
O=Over/under range
<CR><LF>
or<CR>
