LW Measurements LBS Large Bench Scale - Manual (Page 7)

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2.2.2 Conformity
The weighing machine has been manufactured and tested in
accordance with the standards and recommendations set out
in the declaration of conformity.
The power adapter produced for the operation of the weighing
machine and intended exclusively for this application complies
with the appropriate electrical protection class.
2.3 Data and parameters
2.3.1 Technical data
The following applies to all LBS series weighing machines
Power supply:
. Input: 120 V AC (+/-15-20%); 50 to 60Hz
. Output: 10v DC 500mA
Allowable ambient conditions
Temperature: 41 - 95ºF 5°C - 35°C
Relative humidity: 25% - 85%, non-condensing
If you have any questions on the technical data or require
detailed technical information on your weighing machine,
please contact your technical representative.
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2.3.2 RS232 Data interface
interface
：
1 ：signal interface：（microphone socket）
Red- E+ （pos source）/ Yellow or Blue- S+（pos signal）
Black- E- （neg source）/ White or Green S-（neg signal）
No sign ------- GND
2 ：recharge battery socket：
AC/DC 10V――――――external positive, inner negative
3 ：RS232 interface：DB9
RS232 TRANSMIT FUNCTION
1. RS232 interface ：DB9
SCALE PC
RXD 2 2 RXD
TXD 3 3 TXD
GND 5 5 GND
2. RS232 Transmission Agreement
：
Mode：Simplex Asynchronous Serial
Baud rate：9600
Data Bit：8
Parity Bit：NONE
Stop Bit：1
Data Format：ASCII
3. Transmission Information Format
：20 Byte ，blank=20H