
B–63523EN–1/03
11. PROGRAM COMMAND
1495
A tool can retrace the tool path along which the tool has moved. In
addition, a tool can move forward again along the path that the tool has
retraced. The tool can then resume machining according to the program
when it returns to the position where it started retrace.
Retrace end, re–forwarding start
Retrace signal RVS “1”
Retrace start
Retrace signal RVS “0”
By using the PMC input signal RVS, retrace can be performed. Retrace
is performed when the retrace signal RVS turns to “1”. Re–forward
operation is performed when the retrace signal turns to “0”. In retrace, a
tool can retrace a limited number of blocks that have been executed in the
automatic operation mode (memory command, tape command, manual
data input). For detailed information, refer to the operator’s manual.
A return feedrate can be specified by setting parameter No. 1414.
11.15
RETRACE
(M SERIES)
General