FANUC Series 16/18/160/180-Model C Machining Center Operators Manual

PROGRAMMING
13. PROGRAM CONFIGURATION
B–62764EN/01
164
When a slash followed by a number (/n (n=1 to 9)) is specified at the head
of a block, and optional block skip switch n on the machine operator panel
is set to on, the information contained in the block for which /n
corresponding to switch number n is specified is ignored in DNC
operation or memory operation.
When optional block skip switch n is set to off, the information contained
in the block for which /n is specified is valid. This means that the operator
can determine whether to skip the block containing /n.
Number 1 for /1 can be omitted. However, when two or more optional
block skip switches are used for one block, number 1 for /1 cannot be
omitted.
Example)
(Incorrect)(Correct)
//3 G00X10.0; /1/3 G00X10.0;
This function is ignored when programs are loaded into memory. Blocks
containing /n are also stored in memory, regardless of how the optional
block skip switch is set.
Programs held in memory can be output, regardless of how the optional
block skip switches are set.
Optional block skip is effective even during sequence number search
operation.
Depending on the machine tool, all optional block skip switches (1 to 9)
may not be usable. Refer to manuals of the machine tool builder to find
which switches are usable.
WARNING
1 Position of a slash
A slash (/) must be specified at the head of a block. If a slash
is placed elsewhere, the information from the slash to
immediately before the EOB code is ignored.
2
Disabling an optional block skip switch
Optional block skip operation is processed when blocks are
read from memory or tape into a buffer. Even if a switch is
set to on after blocks are read into a buffer, the blocks
already read are not ignored.
NOTE
TV and TH check
When an optional block skip switch is on. TH and TV checks
are made for the skipped portions in the same way as when
the optional block skip switch is off.
D Optional block skip

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