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Download Remote interface operation
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3 Remote Interface Reference SCPI Status Registers Using *OPC to signal when data is in the output buffer Generally, it is best to use the “Operation Complete” bit (bit 0) in the Standard Event register to signal when a command sequence is completed. This bit is set in the register after an *OPC command has been executed. If you send *OPC after a command which loads a message in the power supply’s output buffer (query data), you can use the “Operation Complete” bit to determine when the message is available. However, if too many messages are generated before the *OPC command executes (sequentially), the output buffer will overload and the power supply will stop processing commands. 116 E3632A User’s Guide
