LW Measurements TSB 1416 Planar Bench Scale - Manual (Page 6)

RS232 TRANSMIT FUNCTION
1. RS232 interface：DB9
PIN NO WIRE NAME
2 RXD
3 TXD
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： 16 Byte ，blank=20H
<STX><POL><7Data><kg/lb><COM ><M>< ><CR><LF>
-9-
Back panel diagram for TR-1-NK WD
1 2 3 4
Socket ：
RS232 connection：J2(mainboard)
-10-
PIN NO SOCKET NAME
1 AC
2 LOAD CELL
3 undefined
4 undefined
PIN NO WIRE NAME
1 GND
2 TXD
3 RXD