Agilent Technologies 3000 Series Manual de usuario

Agilent Technologies

Agilent 3000 Series

Oscilloscopes

Programmer’s Reference

In This Book

This book is your guide to programming the 3000 Series oscilloscopes.

• Chapter 1, “I/O Module Installation and Configuration” on page 7 contains

information on the installation and use of the I/O Module.

• Chapter 2, “Introduction to Programming” on page 13 gives you an

introduction to programming the oscilloscopes, along with necessary

conceptual information. These chapters describe basic program

communications, interface, and syntax.

• Chapter 3, “Commands Quick Reference” on page 19 is a brief listing of the

3000 Series oscilloscope commands and syntax.

Each of the remaining chapters describe the set of commands that belong to an

individual subsystem, and explains the function of each command.

• Chapter 4, “Common Commands” on page 27.

• Chapter 5, “Root Level Commands” on page 33.

• Chapter 6, “ACQuire Commands” on page 41.

• Chapter 7, “BEEP Commands” on page 47.

• Chapter 8, “CHANnel<n> Commands” on page 51.

• Chapter 9, “COUNter Commands” on page 61.

• Chapter 10, “DISPlay Commands” on page 65.

• Chapter 11, “KEY Commands” on page 73.

• Chapter 12, “MASK Commands” on page 79.

• Chapter 13, “MEASure Commands” on page 89.

• Chapter 14, “SAVerecall Commands” on page 111.

• Chapter 15, “TIMebase Commands” on page 117.

• Chapter 16, “TRIGger Commands” on page 125.

• Chapter 17, “WAVeform Commands” on page 139.

Contents

1 I/O Module Installation and Configuration

I/O Module Installation 8

I/O Module Configuration 10

2 Introduction to Programming

Communicating with the Oscilloscope 14

Instruction Header 14

Truncation Rule 15

White Space (Separator) 15

Braces 16

Ellipsis 16

Square Brackets 16

Program Message Terminator 16

Block Data 17

Remote Command Tips 17

3 Commands Quick Reference

4 Common Commands

*CLS (Clear Status) 29

*IDN? (Identification Number) 30

*OPC? (Operation Complete) 31

*RST (Reset) 32

5 Root Level Commands

AUTO 35

ForceTrig 36

RUN 37

STOP 38

Trig%50 39

6 ACQuire Commands

AVERages 43

MODE 44

SRATe? 45

TYPE 46

7 BEEP Commands

ENABle 49

Contents

8 CHANnel<n> Commands

BWLimit 53

COUPling 54

DISPlay 55

INVert 56

OFFSet 57

PROBe 58

SCALe 59

9 COUNter Commands

ENABle 63

VALue? 64

10 DISPlay Commands

CLEar 67

GRID 68

MENUdisplay 69

PERSistence 70

SCReen 71

TYPE 72

11 KEY Commands

Commands for Front Panel Actions 75

LOCK 77

12 MASK Commands

ENABle 81

OPERate 82

OUTPut 83

SOURce 84

STOPonoutput 85

X86

Y87

Contents

13 MEASure Commands

CLEar 91

FALLtime 92

FREQuency 93

NDUTycycle 94

NWIDth 95

OVERshoot 96

PDUTycycle 97

PERiod 98

PREShoot 99

PWIDth 100

RISetime 101

VAMPlitude 102

VAVerage 103

VBASe 104

VMAX 105

VMIN 106

VPP 107

VRMS 108

VTOP 109

14 SAVerecall Commands

LOAD 113

LOCation 114

SAVE 115

TYPE 116

15 TIMebase Commands

DELayed 119

HOLDoff 120

POSition 121

SCALe 122

SCAN 123

Contents

16 TRIGger Commands

[:EDGE]:COUPling 127

[:EDGE]:LEVel 128

[:EDGE]:SLOPe 129

[:EDGE]:SOURe 130

[:EDGE]:SWEep 131

MODE 132

PULSe:MODE 133

PULSe:WIDTh 134

STATus 135

VIDeo:POLarity 136

VIDeo:STANdard 137

VIDeo:SYNC 138

17 WAVeform Commands

DATA? 141

ERASeofroll? 142

MAXPeakdetect? 143

MEMorydata? 144

MINPeakdetect? 145

SCREENDATA? 146

SCREENMAX? 147

SCREENMIN? 148

SOURce 149

STARtofroll? 150

SYSMemsize? 151

TPOSition? 152

WINDowzoom? 153

WINMemsize? 154

WPOSition? 155

XEND? 156

XINCrement? 157

XORigin? 158

XSTart? 159

YINCrement? 160

YORigin? 161

I/O Module Installation and

Configuration

I/O Module Installation and Configuration

I/O Module Installation

The I/O module (N2861A) provides an RS-232 serial port and a GPIB port that

can be used to remotely program the 3000 Series oscilloscopes. Figure 2 shows

the back panel installation location for the I/O module.

Figure 2

Back Panel

I/O Module Connector

I/O Module Screw

Holes

USB Connector Power Connector

I/O Module Installation and Configuration

I/O Module Installation

Figure 3 shows how to install the I/O module.

Figure 3

Installing the I/O Module

After installation is complete, restart the oscilloscope. The system will

automatically detect the I/O module. For example, a message at boot up stating

“Communication module installed” means the IO module has been installed,

while a message stating “No module installed” means there is no I/O module. In

this case, please check that the module is seated correctly.

Be sure to turn off the power before installing the I/O module.

I/O Module Installation and Configuration

I/O Module Configuration

After installing the I/O module, the port that you are going to use for remotely

programming the oscilloscope must be configured. To configure the I/O module,

press the front panel UTILITY key. In the UTILITY menu select the IO Setting

menu key.

RS-232 Configuration

The baud rate can be set to one of the following values:

•300

•2400

•4800

•9600

• 19200

• 38400

Table 1 RS-232 Data Format

Testing the RS-232 Interface

1Connect the oscilloscope to a computer using the appropriate RS-232

cable.

2On the PC, run a terminal-emulator program. Make sure the PC serial

port is set as follows:

Table 2 PC RS-232 Setup

Function Setting

Data bit 8 bit

Flow control Not available

Stop bit 1

Odd and even calibration Not available

Stop character 0D (Hex)

Function Setting

Data bit 8 bit

Flow control Not available

Stop bit 1

Odd and even calibration Not available

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