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成品RS232表的接口协议-M9803R(华谊)


m9803r:
Mode : 9600,n,7,2
Format : Ascii code and Hex Code
Total : 11 bytes
The serial data output twice on each A/D conversion cycle.

BYTE 1 : - - - +/- Batt - OL
+/- : 0 for positive, 1 for negative
Batt : 0 for normal, 1 for low battery
OL : 0 for normal, 1 for Over Range
BYTE 2 ~ 5 : Ascii code of measurement value (MSD ~ LSD)
BYTE 6 : Unit
0000000 DC V
0000001 AC V
0000010 DC mA
0000011 AC mA
0000100 Ohm
0000101 Buzzer
0000110 Diode
0000111 ADP
0001000 DC A
0001001 AC A
0001010 Hz
0001011
0001100 CAP
BYTE 7 : Range
0000000 400mV,4mA,400ohm,10kHz,4nF
0000001 4V,40mA,4kohm,100kHz,40nF
0000010 40V,400mA,40kohm,1000kHz,400nF
0000011 400V,4000mA,400kohm,4uF
0000100 4000V,4Mohm,40uF
0000101 40Mohm,100Hz
0000110 1000Hz
Diode : 4V range
Buzzer : 400ohm range
DC A and AC A : 40A range
BYTE 8 : Special Function I
- - - max min rel hold
0 for normal, 1 for the function
BYTE 9 : Special Function II
- - - mem auto manl apof
0 for normal, 1 for the function
BYTE 10 : CR (Carrage Return) 0D
BYTE 11 : LF (Line Feed) 0A
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