
128
Agilent InfiniiVision 2000 X-Series Oscilloscopes Programmer's Guide
5
Common (*) Commands
*ESR (Standard Event Status Register)
(see
page 790
)
Query Syntax
*ESR?
The *ESR? query returns the contents of the Standard Event Status
Register. When you read the Event Status Register, the value returned is
the total bit weights of all of the bits that are high at the time you read
the byte. Reading the register clears the Event Status Register.
The following table shows bit weight, name, and condition for each bit.
Return Format
<status><NL>
<status> ::= 0,..,255; an integer in NR1 format.
Table 46 Standard Event Status Register (ESR)
Bit
Name
Description
When Set (1 = High = True), Indicates:
7
PON
Power On
An OFF to ON transition has occurred.
6
URQ
User Request
A front-panel key has been pressed.
5
CME
Command Error
A command error has been detected.
4
EXE
Execution Error
An execution error has been detected.
3
DDE
Device Dependent Error
A device-dependent error has been detected.
2
QYE
Query Error
A query error has been detected.
1
RQL
Request Control
The device is requesting control. (Not used.)
0
OPC
Operation Complete
Operation is complete.
To ESB bit in
Statu s Byte
Register
Standard Event
Status Enable
(Mask) Register
Standard Event
Status Register
*ESR?
*ESE
*ESE?
PON
URQ
EXE
DDE
QYE
RQL
OPC
CME
OR
1
0
2
3
4
5
6
7
128
64
16
8
4
2
1
32
Содержание InfiniiVision 2000 X-Series
Страница 1: ...s1 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide...
Страница 24: ...24 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide...
Страница 38: ...38 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 1 What s New...
Страница 48: ...48 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 2 Setting Up...
Страница 62: ...62 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 3 Getting Started...
Страница 120: ...120 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 4 Commands Quick Reference...
Страница 206: ...206 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 8 BUS n Commands...
Страница 242: ...242 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 11 DEMO Commands...
Страница 250: ...250 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 12 DIGital d Commands...
Страница 270: ...270 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 14 DVM Commands...
Страница 276: ...276 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 15 EXTernal Trigger Commands...
Страница 312: ...312 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 17 HARDcopy Commands...
Страница 332: ...332 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 19 MARKer Commands...
Страница 416: ...416 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 22 POD Commands...
Страница 424: ...424 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 23 RECall Commands...
Страница 446: ...446 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 24 SAVE Commands...
Страница 588: ...588 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 28 TIMebase Commands...
Страница 692: ...692 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 31 WGEN Commands...
Страница 758: ...758 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 34 Error Messages...
Страница 788: ...788 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 36 Synchronizing Acquisitions...
Страница 918: ...918 Agilent InfiniiVision 2000 X Series Oscilloscopes Programmer s Guide 38 Programming Examples...