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301/302 User Manual
Output State
The main outputs can be turned on or off. The internal circuit is
disconnected from the output connector by a mechanical switch
(relay). This feature is useful for connecting the main outputs to an
analog bus. For safety reasons, when power is first applied to the
chassis, the main output is always off.
Filters
Ten filters are built into the Model 301/302, five for each channel.
These filters are available for use in various applications such as the
creation of high frequency sine waves and removing the staircase
effect from waveforms that are generated with high frequency clock
rates.
Front Panel
Indicators
There are five LEDs on the front panel. The POWER LED (Red)
illuminates at power-up and remains on until the Model 301/302 has
been turned off.
The ACCESS LED (Amber) illuminates each time a command has
been received by the Model 301/302. This light remains on during
DMA data transfer.
The REMOTE light turns on the first time the GPIB remote enable line
is true. GTL (go to local) command or power down turn this light off.
When the output state is on, the OUTPUT LED (Green) light
illuminates. There are two LEDs, one for each channel. Note that the
LEDs are part of the Main output. There is no ON indication for the
Auxiliary outputs.
Programming The
Model 301/302
The Model 301/302 has no controls on its front panel. Instrument
functions, parameters, and modes can only be accessed through
GPIB or RS232 commands. There are a number of ways to “talk” to
the instrument. They all require that an appropriate software driver be
installed in the host computer. The rest is a matter of practice and
knowledge of the language in use. There are other system
considerations like address selection that have to be settled before
programming the instrument. These topics are discussed in later
chapters.
Low level programming of the Model 301/302 is accomplished using
SCPI (Standard Commands for Programmable Instruments)
language. Programming aspects are covered in Chapters 3 and 4.
Supplied with the 301/2 is a PC software package called WaveWiz.
This provides a user interface with a familiar windows interface which
allows the user to interact with and control the 301/2 directly. Details
of how to use WaveWiz are supplied in the following pages.
Getting Started
11
- WARRANTY 3
- Exclusion of Other Warranties 3
- DECLARATION OF CONFORMITY 4
- Model 301 and Model 302 4
- SAFETY PRECAUTIONS 5
- Table of Contents 6
- 301/302 User Manual 10
- Table of Figures 10
- Getting Started 12
- Introduction 13
- Input and Output 16
- Connectors 16
- Operating Modes 17
- Continuous Mode 18
- Triggered Mode 18
- Burst Mode 18
- Gated Mode 18
- Output Type 18
- Standard (Fixed) 19
- Waveforms 19
- Arbitrary (User) 19
- Sequenced 20
- Output State 22
- Front Panel 22
- Indicators 22
- Programming The 22
- Model 301/302 22
- CONFIGURING The INSTRUMENT 23
- Performance 24
- Requirements 24
- Preparation For 26
- Logical Address 26
- Selection 26
- Installation 27
- Bench Operation 27
- Rack Mounting 27
- USING The INSTRUMENT 28
- Power On/Reset 29
- Defaults 29
- Programming the 29
- :VOLTage 2; 30
- ÷ 2) ≤ 5 30
- Controlling the 31
- 301/2 Using 31
- WaveWiz 31
- Controlling 33
- Instrument 33
- Functions 33
- Using the APPLy 33
- Selecting the 36
- Active Channel 36
- Enabling the Main 37
- Selecting an 38
- Selecting a 39
- Standard 39
- Function Shape 39
- Changing the 42
- Frequency and 42
- Sample Clock 42
- External SCLK 43
- Output Amplitude 44
- Filter Type 45
- Operating Mode 46
- Selecting the Trigger 49
- Using the Internal 50
- Trigger Generator 50
- Assigning the 52
- Source For The 52
- SYNC Output 52
- Generating 53
- Arbitrary 53
- What Are 54
- Waveforms? 54
- Arbitrary Memory 55
- Management 55
- Loading Arbitrary 56
- Reversing Byte 58
- Using WaveWiz to 59
- Generate 59
- Using Equation 62
- Editor to Generate 62
- User Manual 301/302 68
- Configuring the Instrument 68
- Fast Binary 72
- Sequence Table 72
- Download 72
- Selecting active 74
- Sequence 74
- Running 75
- Sequences 75
- Using WaveWiz 75
- Advance 77
- Advance Source 78
- Sequences with 79
- Sequences with 80
- Adjusting Phase 84
- Offset Between 84
- Channels 84
- Amplitude 86
- Modulation 86
- System-Related 86
- SCPI Commands 87
- SCPI COMMAND REFERENCE 89
- Query Response 90
- SCPI Command Reference 91
- Subsystem 106
- INSTrument 110
- Trigger 111
- IEEE-STD-488.2 119
- Commands and 119
- Registers 120
- The SCPI Status 120
- The Status Byte 121
- Register (STB) 121
- Generation 122
- Standard Event 124
- Status Register 124
- Status Enable 125
- Register (ESE) 125
- Error Messages 125
- Device-Specific 128
- Commands 128
- Appendix A SPECIFICATIONS 130
- Triangle 131
- Pulse/Ramp 131
- ARBITRARY WAVEFORMS 132
- SEQUENCED SEQUENCES 133
- OUTPUTS (CHANNELS A & B) 134
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