Parameter
None.
Remarks
• "Operation Complete" means that all commands prior to and including an *OPC
command have been executed.
• Sending the *OPC? command and reading the result can ensure synchronization.
• When you program the desired instrument configuration (by executing the
command string), using this command as the last command can determine when
the command sequence is completed (when the command sequence is
completed, the bit0 (OPC, "Operation Complete" bit) in the event register of the
Standard Event register will be set).
• If you send *OPC after a command that loads a query response in the
instrument's output buffer (query data), you can use the “OPC” bit to
determine when the message is available.
Return Format
The query returns +1 if all the previous commands have been executed.
Examples
*OPC /*Sets the bit0 (OPC, "Operation Complete" bit) of the
Standard Event register after the command is executed.*/
*OPC? /*Queries whether the current operation is complete. The
query returns +1.*/
4.3.6 *OPT?
Syntax
*OPT?
Description
Queries the installation status of the options.
Parameter
None.
Remarks
• The options available for DP2000 include CH3 10 A high range mode and 7.5
kSa/s high-speed sampling option.
Command System
24
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