4601 I-V Meter Operation Manual
6.4 Status Register Structure
6-13
3. Measurement Event Register (MER)
•
Common conditions in which the Measurement Event Register is cleared
All cleared when the power is turned ON.
All cleared by *CLS.
All cleared when read by MSR?.
•
Conditions in which the Measurement Event Enable Register is cleared
Cleared when the power is turned ON.
Cleared when the MSE0 command is executed.
Table 6-5 Measurement Event Register
bit
Name
Description
0 OVL
(Overload)
ON: Set to 1 when overload is detected
1 FAN
(Fan Stopped)
ON: Set to 1 when fan stop is detected.
2 OVH
(Overheat)
ON: Set to 1 when overheat is detected.
3 OSC
(Oscillation)
ON: Set to 1 when oscillation is detected.
4 LMT
(Limit)
ON: Set to 1 when the limit value is detected.
5 BST
(Booster Error)
ON: Set to 1 when fan stop or overheat of the booster unit is detected.
6 OVV
(Over Voltage)
ON: Set to 1 when overvoltage is detected.
7 Not in use
Always set to 0
8 Not in use
Always set to 0
9 RSN
(Reached Assigned Number)
ON: Set to 1 when the specified memory store number is reached.
10 MFL
(Memory Full)
ON: Set to 1 when the measurement buffer memory is full.
OFF: Set to 0 when the measurement buffer memory is not full.
11 SSC
(Sweep Step Complete)
ON: Set to 1 when sweep step is complete in the HOLD sampling
(except external trigger).
OFF: Set to 0 when sweep step starts.
Set to 0 when sweep stops or starts.
12 CAE
(Calibration End)
ON: Set to 1 when calibration is complete.
OFF: Set to 0 when calibration starts.
13 SWE
(Sweep End)
ON: Set to 1 when sweep is complete.
OFF: Set to 0 when sweep starts.
14 EOM
(End of Measure)
ON: Set to 1 when measurement is complete.
OFF: Set to 0 when measurement starts.
Set to 0 when measurement data is read out.
15 Not in use
Always set to 0
