Eaton MGR10 Serie Manuel D'utilisation page 84

in conjunction with non-query commands and is only available for IEEE.
If *OPC? is sent in RS-232 mode it will generate a "command error" and the command is
ignored.
Example
Data logging can take an appreciable time to execute, so it is useful to program the
instrument to generate a service request on completion of the logging function. The
following command sequence can be used:
*SRE 16
*CLS
DATA:START
*OPC?
Alternatively, the application programme can continuously poll the Message Available bit
using *STB?.
The Status Byte Register can also be read by an IEEE-488.1 serial poll sequence.
Enables the Message Available bit to trigger a service request
Clears the Message Available bit
Initiates data logging
Sets RQS on completion of the log
MGR10 A/B/C Indice : J (version 7.0 du logiciel) 84