
Digital Weighing Indicator
SI 4200
- 35 -
6. INTERFACE
6-1. Serial Interface (RS-232C)
RS-232C Serial Interface is sensitive/weak for electric Noise.
So, please isolate with AC power cable and use shield cable to reduce the electric noise effect.
6-1-1. Communication with PC(Personal Computer) or Other devices
6-1-2 Connection with External Display or other devices
6-1-3. Signal Format
①
Type : EIA-RS-232C
②
Communication Method : Half-Duplex, Full Duplex, Asynchronous
③
Serial Baud Rate : Selectable on
“F-function31”
④
Data Bit : 8(No Parity mode, only)Bit –
Refer “F30”
.
⑤
Stop Bit : 1
⑥
Parity Bit : Non, Even, Odd (Selectable on “F-function 30”) -
Refer “F30”
⑦
Code : ASCII
STX 02H
ETX 03H
CR 0DH
LF 0AH
⑧
Check-Sum (Error Detecting, “F-Function 34”)
SI 4100
2 : RxD TxD : 3
3 : TxD RxD :
2
5 : SG SG : 5
Personal Computer
(9pins Standard)
SI 4100
1 : RxD TxD : 3
2 : GND GND : 5
SE 6125
(External Display)