MRC MG-3003SD, Руководство по эксплуатации

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11. RS232 PC SERIAL INTERFACE
The instrument has RS232 PC serial interface via a 3.5
mm terminal ( 3-12, Fig. 1 ).
The data output is a 16 digit stream which can be
utilized for user's specific application.
A RS232 lead with the following connection will be
required to link the instrument with the PC serial port.
Meter PC
(9W 'D" Connector)
Center Pin............................................ Pin 4
(3.5 mm jack plug)
Ground/shield...........................................
Pin 2
2.2 K
resistor
Pin 5
The 16 digits data stream will be displayed in the
following format :
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Each digit indicates the following status :
D0 End Word = 0D
D1 & D8 Display reading, D8 = MSD , D1 = LSD
For example :
If the display reading is 1234, then D8 to
D1 is : 00001234
D9 Decimal Point(DP), position from right to the left
0 = No DP, 1= 1 DP, 2 = 2 DP, 3 = 3 DP
D10 Polarity
0 = Positive
1 = Negative
D11 & D12 Annunciator for Display
mT = E3
G = B5
D13 When send the upper display data = 1
D14 4
D15 Start Word
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