5 Error Messages
240 Keysight 34970A/34972A User’s Guide
261 Not able to execute while scan initiated
While a scan is running, you cannot change any parameters that affect the scan
(channel configuration, scan interval, scaling values, alarm limits, issue a Card
Reset, or recall a stored state). To stop a scan in progress, send the ABORt
command or a bus Device Clear.
271 Not able to accept unit names longer than 3 characters
For Mx+B scaling, you can specify a custom label with up to three characters.
You can use letters (A-Z), numbers (0-9), an underscore ( _ ), or the “#” character
which displays a degree symbol ( ° ) on the front panel.
272 Not able to accept character in unit name
For Mx+B scaling, you can specify a custom label with up to three characters.
The first character must be a letter or the “#” character (the “#” character is
allowed only as the leftmost character in the label). The remaining two
characters can be letters, numbers, or an underscore.
281 Not able to perform on more than one channel
You can perform this operation on only one channel at a time. Check the channel
list that you sent with this command to see if it contains more than one channel.
This error is generated by the ROUTe:MON and DATA:LAST? commands.
291 Not able to recall state: it is empty
You can only recall a state from a location that contains a previously stored state.
The state location that you attempted to recall is empty. The storage locations
are numbered 0 through 5.
292 Not able to recall state: DMM enable changed
The enable/disable state of the internal DMM has been changed since the
instrument state was stored. Use the INSTrument:DMM? command to
determine the state of the internal DMM. For more information, see “Internal
DMM Disable” on page 175.
301
Module currently committed to scan
When you add a multiplexer channel to a scan list, that entire module is
dedicated to the scan. You cannot perform low-level close or open operations on
any channels on that module (even those channels that are not configured). To
stop a scan in progress, send the ABORt command or a bus Device Clear.
303 Module not able to perform requested operation
A command was received which is not valid for the specified module. This error is
most commonly generated when you send a command intended for the
multifunction module to a switching module.
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