Power Meter Remote Operation
Status Reporting
EPM-P Series Power Meters Programming Guide
1-89
The condition bits are set and cleared under the following conditions:
Bit Number
Meaning
EVENts Causing Bit Changes
3
POWer
Summary
This is a summary bit for the Questionable POWer
Register.
• SET:
Error -230, “Data corrupt or stale”
Error -231, “Data questionable;Input Overload”
Error -231, “Data questionable;Input Overload ChA”
1
Error -231, “Data questionable;Input Overload ChB”
1
Error -231, “Data questionable;PLEASE ZERO”
Error -231, “Data questionable;PLEASE ZERO ChA”
1
Error -231, “Data questionable;PLEASE ZERO ChB”
1
Error -231, ”Data questionable;Lower window log error”
1
Error -231, ”Data questionable;Upper window log error”
1
• CLEARED: When no errors are detected by the power
meter during a measurement covering the causes given
for it to set.
1. E4417A only
8
CALibration
Summary
This is a summary bit for the Questionable CALibration
Register.
• SET:
These may be caused by
CALibration[1|2]:ZERO:AUTO ONCE
or
CALibration[1|2]:AUTO ONCE
or
CALibration[1|2][:ALL]
or
CALibration[1|2][:ALL]
?.
Error -231, “Data questionable; ZERO ERROR”
Error -231, “Data questionable; ZERO ERROR ChA”
1
Error -231, “Data questionable; ZERO ERROR ChB”
1
Error -231, “Data questionable; CAL ERROR”
Error -231, “Data questionable; CAL ERROR ChA”
1
Error -231, “Data questionable; CAL ERROR ChB”
1
• CLEARED: When any of the commands listed above
succeed and no errors are placed on the error queue.
9
Power On
Self Test
• SET: This bit is set when the power on self test fails.
• CLEARED: When the power on self test passes.
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