Yaskawa Ladder Works Programming Manual - Manual (Page 184)

9.5 Failure Trace Read Function (FTRC-RD)
9-9
9.5 Failure Trace Read Function (FTRC-RD)
[Outline]
Reads the failure trace data and stores them in the user register. The data in the trace buffer can be
read out upon designating the number of records needed. Either the failure occurrence data or the
restoration data are designated for readout. Enables the reset (initialization) of the failure trace buffer.
[Format]
Symbol : FTRC-RD
Full Name : Failure-Trace Read
Category : SYSTEM
Icon :
[Parameter]
I/O
Definition
Parameter Name
I/O
Designation
Setting
Execute B-VAL Failure trace readout command
Reset B-VAL Failure trace buffer reset command
Type
I-REG
Type of data read
1 : Occurrence data
2 : Restoration data
Rec-Size
I-REG
Number of read records
Occurrence data : 1 to 64 Restoration data : 450
Input
Dat-Adr Address input Head register address for reading (address of MW or DW)
Complete B-VAL Completion of failure trace read
Error B-VAL Occurrence of error
Status I-REG Failure trace read execution status
Rec-Size I-REG Number of read records
Output
Rec-Len I-REG Length of read record
Table 9.3 Failure Trace Read Execution Status (STATUS)
Name Bit No. Remarks
System Reserved Bit 0～Bit 7
No trace definition Bit8 The function will not be executed.
Designated type No. error Bit9 The function will not be executed.
System Reserved Bit10
Error in the designated
number of records Bit11 The function will not be executed.
Data storage error Bit12 The function will not be executed.
System Reserved Bit13
System Reserved Bit14
Address input error Bit15 The function will not be executed.