Data Logging for Electronic Balance Shimadzu UX4200H

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Gustavo Dacanal 2016-9-14

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https://ww2.mathworks.cn/matlabcentral/answers/303086-data-logging-for-electronic-balance-shimadzu-ux4200h

Here is my simple code applied to Data Logging (RS232 port) of an Electronic Balance (model UX4200H, Shimadzu). I would be pleased for any comments. best wishes, Gustavo

instrreset;
clear all; 
close all; 
clc; 
% remove any remaining serial objects to prevent serial issues
disp('BEGIN PROGRAM');
% Initialize Serial Port Object [s]
s = serial('COM4');
% Specify connection parameters
set(s,'BaudRate',300,'DataBits',8,'StopBits',1,'Parity','None','Timeout',0.1);
% Open serial connection
fopen(s);
% Specify Terminator
s.terminator = 'CR/LF';
% Set read mode
set(s,'readasyncmode','continuous');
% Check Open serial connection
s.Status
% Send command PRINT to eletronic balance UX4200H
fprintf(s,'PRINT')
% Read the output
r = fgets(s)
% Convert CHAR/string to array number
r = str2num(r(1:9));
xlswrite('results', r) 
% Disconnect and close serial port
fclose(s);
delete(s);
clear s
disp('STOP')