Yaskawa MP900 Series Ladder Programming Manual - Manual (Page 304)

5.10 System Function Instructions
5.10.4 Read Data Trace (DTRC-RD)
5-235
Instructions
5
( 2 ) Format
∗ 1. M or D register only.
∗ 2. C and # registers cannot be used.
The parameters are described in the following table.
Icon:
Key entry: DTRCRD
Parameter Name
Applicable Data Types
B W L F A Index Constant
Trace read execution
command (Execute)
{ × × × × × ×
Trace group No.
(Group-No)
× { × × × × ×
Record No. (Rec-No) × { × × × × ×
Number of records
(Rec-Size)
× { × × × × ×
Item selection
(Select)
× { × × × × ×
First address
(Dat-Adr)
× × × × { *1 × ×
Trace completed
(Complete)
{ *2 × × × × × ×
Error { *2 × × × × × ×
Status × { *2 × × × × ×
Number of records
read
(Rec-Size)
× { *2 × × × × ×
Length of 1 read
record (Rec-Len)
× { *2 × × × × ×
Parameter Name Description I/O
Trace read execution command (Execute) Data trace read execution command IN
Trace group No. (Group-No) Data trace group No. (1 to 4). IN
Record No. (Rec-No)
Number of first record to read
(0 to maximum records – 1)
IN
Number of records (Rec-Size)
Requested number of records to read
(0 to maximum records – 1)
IN
Item selection (Select)
Items to read (0001 to FFFF hex)
Bits 0 to F correspond to data specifiers 1 to 16 in the
trace definition.
IN
First address (Dat-Adr) Number of first register to read (MA, DA) IN
Trace completed (Complete) Turns ON when the trace read ends. OUT
Error Turns ON when an error occurs. OUT
Status Data trace read execution status OUT
Number of records read (Rec-Size) Number of records that were read OUT
Length of 1 read record (Rec-Len) Length of 1 read record (words) OUT