
FANUC Series 16i-TA
2 CPU 3-path control function
Specifications
A-63406E
08 00.09.01 T.Nakazato Modified (viii)
07 00.06.23 T.Nakazato Modified (vii) H. kochiya
01 97.04.09 T.Nakazato Newly registered T. Masuda
ED. DATE DESIG. DESCRIPTION
TITLE
DRAW.NO.
SHEET
(c) S and T-code
A modal value of previous block is output.
(5) Direction change prohibition
The change of forward movement / reverse movement is prohibited. Please move the manual
handle in the same direction as present direction.
The direction change prohibition can be confirmed by output signal MNCHG(F0091#1) .
It becomes the change prohibition state under the following condition.
Ÿ While the block with the code waiting for FIN is executing
Ÿ After a block has done and until the next block begins to operate
Ÿ During thread cutting
Ÿ While 8msec after changing forward and reverse
Ÿ During stopping by the single block or the feed hold
Ÿ While the block which is the cycle operation or the macro is executing in reverse
movement
(6) Reverse movement prohibition
The state that reverse movement cannot do any further is called reverse movement prohibition.
The negative pulse is disregarded, and only the positive pulse is accepted at the reverse movement
prohibition.
Please turn manual handle in the positive direction and continue forward movement of the
following block.
The reverse movement prohibition can be confirmed by output signal MRVSP(F0091#2).
If the following blocks are executed in reverse movement, reverse movement prohibition signal
becomes to “1”.
Ÿ Program number block of main program (O...)
Ÿ Thread cutting (G32,G76,G84,G88,G92)
Ÿ Skip cutting (G31)
Ÿ Reference position return check (G27)
Ÿ Programmable data input (G10,G11 )
Ÿ Over the maximum number of the blocks for reverse movement
(7) Others
(a) Movement command + M,S,T-code
When M,S,T-codes and movement instructions are in the same block., the timing of outputting
the codes changes in the forward movement and the reverse movement