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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. 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 36”)
1 +9V
LSB
0
1 2 3 4 5
MSB
6
0 -9V
Start
Bit
Data Byte –
Refer “F40”
Parity
Bit
Stop
Bit
6-1-2. Data Format(1) : ID Number will not be transferred. (Refer “F-function 35”)
,
,
k
g
CR
LF
Header 1.
Header 2.
Data Byte –
Refer “F40”
Unit
①
. Header 1. : OL : Over Load, Under Load
ST : Display weight “Steady”
US : Display “Un-Steady”
Содержание SI 4410
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