Agilent Technologies 8164A Benutzerhandbuch
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IEEE-Common Commands
Instrument Setup and Status
Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Fifth Edition
57
command:
*CLS
syntax:
*CLS
description:
The CLear Status command *CLS clears the following:
• Error queue
• Standard event status register (SESR)
• Status byte register (STB)
After the *CLS command the instrument is left waiting for the next command. The instru-
ment setting is unaltered by the command, although *OPC/*OPC? actions are cancelled.
ment setting is unaltered by the command, although *OPC/*OPC? actions are cancelled.
parameters:
none
response:
none
example:
*CLS
command:
*ESE
syntax:
*ESE<wsp><value>
0
≤ value ≤ 255
description:
The standard Event Status Enable command (*ESE) sets bits in the Standard Event Status
Enable Mask (SESEM) that enable the corresponding bits in the standard event status regis-
ter (SESR).
Enable Mask (SESEM) that enable the corresponding bits in the standard event status regis-
ter (SESR).
The register is cleared:
• at power-on,
• by sending a value of zero.
The register is not changed by the *RST and *CLS commands.
parameters:
The bit value for the register (a 16-bit signed integer value):
Bit
Mnemonic
Decimal Value
7 (MSB)
Power On
128
6
Not Used
0
5
Command Error
32
4
Execution Error
16
3
Device Dependent Error
8
2
Query Error
4
1
Not Used
0
0 (LSB)
Operation Complete
1
response:
none
example:
*ESE 21