Errors are retrieved in first-in-first-out (FIFO) order. The first error returned is the first error that was saved.
Errors are cleared as you read them. When you have read all errors from the queue, the ERR annunciator
turns off and the errors are cleared. The instrument beeps once each time an error is generated.
If more than 20 errors have occurred, the last error saved in the queue (the most recent error) is replaced
with "Error queue overflow". No additional errors are stored until you remove errors from the queue. If no
errors have occurred when you read the error queue, the instrument responds with "No error".
View number of relay cycles
In View menu page, press Relay Cycles to display the number of cycles for all relays on the selected mod-
ule. Each module counts the number of closures on each relay and saves the counts in non-volatile
memory on the module. Below image shows the number of cycles for all relays on the DAQM901A mul-
tiplexer module.
Keysight DAQ970A User's Guide 87
3 Features and Functions
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