5238-E P-40
SECTION 4 PREPARATORY FUNCTIONS
SECTION 4 PREPARATORY FUNCTIONS
G codes are used to specify particular functions which are to be executed in individual blocks. Every G code
consists of the address "G" plus a 3-digit number (00 to 399)
• Effective G Code Ranges
LE33013R0300600010001
• Special G Codes
The mnemonic codes of subprogram calls (G101 through GI 10, for instance) and branch instructions are
called special G codes. Every special G code must be specified at the beginning of a block, not part way
through a block. Note, however, that a "/" (block delete) and a sequence name may be placed before a
special G code.
1. Dwell (G04)
[Function]
If dwell is specified, execution of the next block is suspended for the specified length of time after the
completion of the preceding block.
[Programming format]
G04 F__
F : Specify the length of time for which the execution of a program is suspended.
The unit of command values is determined by the selected programming unit system.
For details, refer to the optional parameter (unit system).
The maximum allowable length of a dwell period is 9999.99 seconds.
One-shot : A one-shot G code is effective only in a specified block
and is automatically canceled when program execution
moves to the next block.
Modal : A modal G code is effective until it is changed to another
G code in the same group.
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