G-Tech GL-6000L Series, Service Manual

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8 Communication Interface (RS-232C)
8.1 RS-232C Pin Arrangement and Connection
2pin RXD RXD 2pin
GL-6000 3pin TXD TXD 3pin PC
5pin GND GND 5pin
8.2 Signal Format
8.3 Data Format
8.3.1 Data Format 1 (18 Byte)
8.3.1.1 Header 1 (2 Byte)
-
US : Unstable Display
-
ST : Stable Display
-
OL : OVER LOAD
-
8.3.1.2 Header 2 (2 Byte)
-
GS : Gross Weight
-
NT : Net Weight
-
8.3.1.3 DATA (8 Byte)
-
2B(H) : “+” PLUS
-
2D(H) : “-“ MINUS
-
20(H) : “ “ SPACE
-
2E(H) : “.” DECIMAL POINT
-
8.3.1.4 Unit
-
kg
-
lb
LSB MSB
1 1 0 1 0 0 1 0
Low
High
ST
A
RT
B
IT
ST
O
P
BIT
N
EX
T
ST
AR
T
BI
T
, , CR LF
Header 1 Header2 Data(+Parity bit) Unit
RJ 11 Port