Yaskawa Ladder Works Programming Manual - Manual (Page 182)

9.4 Data Trace Read Function (DTRC-RD)
9-7
9.4.1 Readout of Data
Readout of Data is described Figure 9.1.
Data Trace Memory
Number of
read records
Old
New
User Register
0
n
Record No.
No. of the head
record to be read
Head address of the register
into which data is read
Readout
Figure 9.1 Data read
The most recent record No. of trace groups are each stored in SW00100 to SW00103.
Table 9.2 Newest Records Number
System register number Data trace definition
SW00100 For group 1
SW00101 For group 2
SW00102 For group 3
SW00103 For group 4
SW00104 ––
SW00105 ––
SW00106 ––
SW00107 ––
9.4.2 Configuration of the Read Data
Configuration of the read data is described Figure 9.2.
Max. 32512 words
Dat - Adr→1～32 words
1～32 words
1～32 words
Trace data
Old
New
Record 2
Record n
Record 1
・
・
・
・
ITEM1
ITEM16
・
・
Figure 9.2 Configuration of the Read Data