Keithley 2750 User Manual page 322

Model 2750 Multimeter/Switch System User's Manual
On power-up, all error messages are enabled and will go into the Error Queue as they
occur. Status messages are not enabled and will not go into the queue. As listed in
Table
the <list> parameter is used to specify which messages to enable or disable. The messages
are specified by their codes. The following examples show various forms for using the
<list> parameter.
<list>
When you enable messages, messages not specified in the list are disabled. When you dis-
able messages, each listed message is removed from the enabled list.
NOTE
Table 11-6
Error queue commands
Command
STATus:QUEue:[:NEXT]?
STATus:QUEue:ENABle <list>
STATus:QUEue:ENABle?
STATus:QUEue:DISable <list>
STATus:QUEue:DISable?
STATus:QUEue:CLEar
SYSTem:ERRor?
SYSTem:CLEar
Notes:
1. Power-up and *CLS empties the Error Queue. STATus:PRESet has no effect.
2. Power-up enables error messages and disables status messages. *CLS and STATus:PRESet have no effect.
Programming example — read error queue
The following command reads the error queue:
STAT:QUE?
11-6, there are commands to enable and/or disable messages. For these commands,
= (-110)
= (-110:-222)
= (-110:-222, -220)
To prevent all messages from entering the Error Queue, send the enable com-
mand along with the null list parameter as follows:
STATus:QUEue:ENABle ().
Read and clear oldest error/status (code and message).
Specify error and status messages for Error Queue.
Read the enabled messages.
Specify messages not to be placed in queue.
Read the disabled messages.
Clear messages from Error Queue.
Read Error Queue.
Clear messages from Error Queue.
Single message
Range of messages (-110 through -222)
Range entry and single entry (separated by a comma)
Description
Status Structure 11-21
Notes
1
2
2
1