Mitsubishi L Series User Manual page 109

2.
Check the places where the latest data and the oldest data are stored.
Those places can be checked in the following buffer memory areas.
• CH Head pointer (Un\G1090 to Un\G1093) (
• CH Latest pointer (Un\G1098 to Un\G1101) (
When data is collected 10001 times or more
Ex.
CH Latest pointer : 5
CH Head pointer : 6
3.
Check the storage location when logging stops with CH
When logging stops under the following conditions
Ex.
• CH Logging points after trigger (Un\G1048 to Un\G1051): 6505 points
• Logging hold request: Performed at 3500th
(Because of the above condition, the hold location is determined as 5th.)
CH Latest pointer : 5
CH Head pointer : 6
Page 195, Appendix 2(40))
Page 195, Appendix 2(41))
1st data
2nd data
3rd data
4th data
Latest data
5th data
6th data Oldest data
9999th data
10000th data
Trigger pointer (Un\G1114 to Un\G1117).
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
9999th data
10000th data
CHAPTER 8 FUNCTIONS
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