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5.20 Common Command Group
*ESR? (standard Event Status Register)
Function
Queries the standard event register and clears
the register.
Syntax
*ESR?
Example
*ESR? -> 32
Description • A sum of decimal values of each bit is
returned.
• You can check what type of events occurred
when an SRQ is generated.
• For example, if a value of "32" is returned,
this indicates that the standard event register
is set to "00100000." In this case, you can
see that the SRQ occurred due to a
"command syntax error."
• A query using *ESR? will clear the contents of
the standard event register.
• For details on the standard event register,
see page 6-3.
*IDN? (IDeNtify)
Function
Queries the instrument model.
Syntax
*IDN?
Example
*IDN? ->
YOKOGAWA,760151-0401,0,F1.01
Description The information is returned in the following form:
<Manufacturer>,<Model>,<Serial
No.>,<Firmware version>In actuality, <Serial
No.> is not returned (always 0).
*OPC
(OPeration Complete)
Function
Sets a "1" to bit 0 (OPC bit) of the standard
event register bit upon the completion of the
specified overlap command.
Syntax
*OPC
Example
*OPC
Description • For the description regarding how to
synchronize the program using *OPC, see
page 4-8.
• The "COMMunicate:OPSE" command is used
to specify the overlap command.
• If *OPC is not the last command of the
message, the operation is not guaranteed.
*OPC? (OPeration Complete)
Function
If the specified overlap command is completed,
ASCII code "1" is returned.
Syntax
*OPC?
Example
*OPC? -> 1
Description • For the description regarding how to
synchronize the program using *OPC, see
page 4-8.
• The "COMMunicate:OPSE" command is used
to specify the overlap command.
• If *OPC? is not the last command of the
message, the operation is not guaranteed.
5-88
*OPT? (OPTion)
Function
Queries the installed options.
Syntax
*OPT?
Example
*OPT? -> B5,DA,MTR,C10
Description • The presence or absence of the built-in
printer (/B5), DA output (/DA), motor
evaluation function (/MTR), SCSI interface (/
C7), or Ethernet+SCSI+built-in HDD (/C10) is
returned.
• If none of the options is installed, an ASCII
code "0" is returned.
• The "*OPT?" query must be the last query of
the program message. An error occurs if
there is a query after this query.
*PSC
(Power-on Status Clear)
Function
Sets whether or not to clear the registers below
at power up or queries the current setting. The
register is cleared when the value rounded to an
integer is a non-zero value.
• Standard event enable register
• Extended event enable register
• Transition filter
Syntax
*PSC {<NRf>}
*PSC?
<NRf> = 0(not clear), non-zero (clear)
Example
*PSC 1
*PSC? -> 1
Description For details on the registers, see chapter 6.
*RST
(ReSeT)
Function
Initializes the settings.
Syntax
*RST
Example
*RST
Description • Also clears *OPC and *OPC? commands that
have been sent earlier.
• All settings except communication settings
are reset to factory default values.
IM 760151-17E
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