Model 2750 Multimeter/Switch System User’s Manual Status Structure 11-19
Event enable registers
As Figure 11-1 shows, each status register set has an enable register. Each event register
bit is logically ANDed (&) to a corresponding enable bit of an enable register. Therefore,
when an event bit is set and the corresponding enable bit is set (as programmed by the
user), the output (summary) of the register will set to 1, which in turn sets the summary bit
of the Status Byte Register.
The commands to program and read the event enable registers are listed in Table 11-5. For
details on programming and reading registers, see “Programming enable registers,”
page 11-5, and “Reading registers,” page 11-6.
NOTE The bits of any enable register can be reset to 0 by sending the 0 parameter
value with the appropriate enable command (i.e.
STATus:OPERation:ENABle 0).
Programming example — program and read register set
The following command sequence programs and reads the measurement register set. Keep
in mind that the Model 2750 has to be addressed to talk after a query command.
STAT:MEAS:ENAB 512 ' Enable BFL (buffer full).
STAT:MEAS:COND? ' Read Measurement Condition Register.
STAT:MEAS? ' Read Measurement Event Register.
Table 11-5
Event enable registers commands
Command Description
*ESE <NRf> Program Standard Event Enable Register (0 to 255).
*ESE? Read Standard Event Enable Register.
STATus:OPERation:ENABle <NRF> Program Operation Event Enable Register (0 to 65535).
STATus:OPERation:ENABle? Read enable register.
STATus:MEASurement:ENABle <NRf> Program Measurement Event Enable Register (0 to 65535).
STATus:MEASurement:ENABle? Read enable register.
STATus:QUEStionable:ENABle <NRf> Program Questionable Event Enable Register (0 to 65535).
STATus:QUEStionable:ENABle? Read enable register.
Note: Power-up and STATus:PRESet resets all bits of all enable registers to 0. *CLS has no effect.
2750-900-01.book Page 19 Wednesday, August 3, 2011 7:56 AM
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