3 failure trace read function (ftrc-rd) – Yaskawa MP900 Series Machine Controller New Ladder Editor User Manual
Page 219

2 Standard System Function
2.2.3 Failure Trace Read Function (FTRC-RD)
2-26
Record Length
A Record is composed of the data for the selected items.
Word length of 1 record
= Bn × 1 word + Wn × 1 word + Ln × 2 words + Fn × 2 words
Bn: Number of bit type register selected points
Wn: Number of word type register selected points
Ln: Number of double-length integer type register selected points
Fn: Number of real number type register selected points
Maximum of record length
= 32 words (e.g. when there are 16 double-length integer type or
real number type registers)
Minimum of record length
= 1 words (e.g. when there is one bit type or integer type register)
Number of Records
The Number of Records is the following.
2.2.3 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 occur-
rence data or the restoration data are designated for readout. Enables the reset (initializa-
tion) of the failure trace buffer.
Format
Maximum Number of Records
32512/ Record Length
Number of records when the record length is the
maximum
0 to 1015
Number of records when the record length is the
minimum
0 to 32511
Symbol: FTRC-RD
Full Name: Failure-Trace Read
Category: SYSTEM
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