Chapter12 S,T,M function TC-32B
2004/01/22 12 - 2 eTCOMNCPR12.doc
12
12 S,T,M Function
By commanding the following functions, machine motions other than the axis
movements are available.
S : Spindle speed command
T : Tool magazine number command
M : ON/OFF command of various solenoids of the machine
12.1 S Function
The S code is used for specifying the spindle speed.
The spindle speed is specified by the address S and a following within 5-digit number.
(Note 1)
The S command is not cancelled by the NC reset function, but it becomes zero
when the power is turned ON.
(Note 2)
The S command should be always given before commanding the spindle rotation
(M03,M04)
(Note 3)
When the S command is in the same block as that of axis movement, the S
command becomes effective at the same time the axis movement starts.
12.2 T Function
When commanded, the magazine rotates to the corresponding pot.
Three commanded forms are provided as below.
12.2.1 Commanded by tool No.
Command format T_ _ _;
Commanded by tool No. after “T” (T1-T99), and the pot with the corresponding tool attached is
Indexed.
12.2.2 Commanding by pot No.(magazine No.)
Commanding by pot No.
Commanded the pot number (magazine number) using the two digit numerical values after “T1”,
and the pot with the corresponding tool attached is indexed. (T101-T 1nn , “nn” indicates the
maximum numbers of the attached pots.)
12.2.3 Commanded by group No.
Commanded the group number using the two digit numerical value after “T9”
( T901-T930), and the pot with the corresponding tool attached is indexed.
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