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220 Unidrive M Regen Design Guide
Issue Number: 4
Auto (2):
After the scope system is reset Scope Data Not Ready (09.065) is set to 1 and the scope begins to acquire data. Once the buffer is full Scope Data
Not Ready (09.065) is set to 0 and the scope continues to acquire data. Scope Arm (09.064) has no effect on data acquisition. Provided Scope Data
Not Ready (09.065) = 0 and Scope Saving Data (09.066) = 0 it is possible to read the data from the scope buffer as a scope file. Data acquisition is
stopped when the file transfer begins. When the file transfer is complete, data acquisition begins again and Scope Data Not Ready (09.065) is set to 1
for a period that is long enough to fill the scope buffer with new data.
Scope Sample Time (09.067) defines the sample rate of the scope function for all traces in 250 s units (i.e. if Scope Sample Time (09.067) = 4,
the sample time is 1 ms).
Scope Trigger Delay (09.068) defines how much data is stored before and after the scope is triggered. If Scope Trigger Delay (09.068) = 0 % then no
data is stored before the trigger and all the data is after the trigger. If Scope Trigger Delay (09.068) = 100 % then no data is stored after the trigger, but
all the data is before the trigger.
The scope function can capture up to 4000 bytes of parameter data. The Scope Time Period (09.069) gives the length of the time period covered by
the scope buffer in milliseconds which depends on the number of traces stored, the sample time and the size of the parameters used as trace
sources.
Sample time in milliseconds = (250 x 10
-6
x Scope Sample Time (09.067)) x 1000
Size of trace data is the sum of the number of bytes in each of the trace sources selected by Scope Trace 1 Source (09.055) to Scope Trace 4 Source
(09.058).
Scope Time Period (09.069) (ms) = 4000 x Sample time in milliseconds / Size of trace data.
Auto-save mode can be used to store a scope file on a non-volatile media card at each trigger event. The auto-save system is held in reset if
Scope Auto-save Reset (09.072) = 1. When the auto-save system is reset all the scope files in scope file folder on the NV media card are deleted,
Scope Auto-save File Number (09.071) is reset to 0 and the auto-save system is inactive. If any of the file operations fail during reset Scope Auto-
save Status (09.073) is 3 (Failed) when the reset is removed.
09.064 Scope Arm
RW Bit NC US
Off (0) or On (1)
Off (0)
09.065 Scope Data Not Ready
RO Bit ND NC PT
Off (0) or On (1)
09.066 Scope Saving Data
RO Bit ND NC PT
Off (0) or On (1)
09.067 Scope Sample Time
RW Num US
1 to 200
1
09.068 Scope Trigger Delay
RW Num US
0 to 100 %
0%
09.069 Scope Time Period
RO Num ND NC PT
0.00 to 200000.00 ms
09.070 Scope Auto-save Mode
RW Txt PS
Disabled (0), Overwrite (1), Keep (2)
Disabled (0)
Value Text
0 Disabled
1Overwrite
2 Keep
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