Mitsubishi Electric MELSEC-Q series User Manual page 69

3.
Check the storage place of when the logging stopped in CH Trigger pointer (Un\G1114 to
Un\G1121).
When the logging stopped under the following conditions
Ex.
CH Logging points after trigger (Un\G1048 to Un\G1055): 1505 points
Logging hold request: At the 3500th data
(The hold place is determined as the 5th data.)
CH Latest pointer : 5
CH Head pointer : 6
1st data
2nd data
3rd data
4th data
Latest data
5th data
Oldest data
6th data
3499th data
CH Trigger pointer : 3500
3500th data
3501st data
4999th data
5000th data
CHAPTER 4 FUNCTIONS
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