Chroma 6430 - Page 10

Programmable AC Source 6430/6420/6415 User‘s Manual
3.6 Ext Prog......................................................................................................................3-8
3.7 Measurement..............................................................................................................3-9
3.7.1 Select the Items of Measurement .................................................................................. 3-9
3.7.2 Functions of Measurement.......................................................................................... 3-10
3.8 Local Operation........................................................................................................3-10
3.9 Protection .................................................................................................................3-10
4. Theories of Operation.....................................................................................................4-1
4.1 General Information...................................................................................................4-1
4.2 Description of Overall System...................................................................................4-1
4.3 AC/DC Power Stage Converter..................................................................................4-3
4.4 DC/DC Power Stage Converter..................................................................................4-3
4.5 DC/AC Inverter..........................................................................................................4-3
4.6 CPU............................................................................................................................4-3
4.7 Measurement..............................................................................................................4-4
4.8 Sine Wave Generator .................................................................................................4-4
4.9 Keyboard and Display................................................................................................4-4
4.10 GPIB/RS-232C/External Reference...........................................................................4-4
5. Self-Test and Troubleshooting.......................................................................................5-1
5.1 General Information...................................................................................................5-1
5.2 Self-Test Routine........................................................................................................5-1
5.3 Troubleshooting .........................................................................................................5-1
6. Remote Operation...........................................................................................................6-1
6.1 General Information...................................................................................................6-1
6.2 The GPIB Capability of the AC Source.....................................................................6-1
6.3 Introduction to Programming.....................................................................................6-2
6.3.1 Conventions................................................................................................................... 6-2
6.3.2 Numerical Data Formats ............................................................................................... 6-2
6.3.3 Boolean Data Format .................................................................................................... 6-3
6.3.4 Character Data Format .................................................................................................. 6-3
6.3.5 Basic Definition............................................................................................................. 6-4
6.4 Traversal of the Command Tree.................................................................................6-5
6.5 Execution Order .........................................................................................................6-6
6.6 The Commands of the AC Source..............................................................................6-6
6.6.1 Command Tree Table.................................................................................................... 6-6
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