Example 9: Query the Error Information
Users can judge current operation error by querying the status register. All the
commands about the status register have been discussed in chapter 2. For RIGOL,
Fluke and Agilent commands, commands about the status register are available, here
we will take RIGOL commands for example.
The programming steps——RIGOL Commands:
0 *RST /*Reset the instrument for preparing measurement*/
1 cmdset□rigol /*Select RIGOL commands*/
2 *cls /*Clear status*/
3 :measure?
4 :measure? /*Beep to alarm*/
5 SYST:ERR?
6 Return: query interrupted
7 *esr?
8 Return: 4
9 *cls
10 **cls /*Beep to alarm*/
11 SYST:ERR?
12 Return: synax error
13 *esr?
14 Return: 32
15 *cls
16 cmdset abc /*Beep to alarm*/
17 SYST:ERR?
18 Return: illegal parameter
19 *esr?
20 Return: 16
21 *cls
22 /*Read data forcibly and generat a beep*/
23 SYST:ERR?
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