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No.1
task
Normal
program
No.255
task
Transfer of
X200～X03F
to CNC
linker ram
Task 255 is processed every 1 msec. AS the lead scan on the CNC side is 3 msec,
input variation is 4 msec (=3 msec + 1 msec) or less.
Address of the near zero signal of NC–PC interface is d700h.
To simplify the sequence, assigning each axis near-zero signal successively.
Note:
For details of the interruptive program, see the TC200 programming manual
provided separately.
Input module
Ｘ ０ ２ ０
Ｘ ０ ２ １
FL75
TNO
000
FE01
SET
P778 0001
FE01
SET
V778 0001
FL80
TEN
000
FL75
TNO
255
FL82
INT
128
FL55
INT
G00W
Internal Module
FL71
relay
CMW
700H
FL83
RET
128
FL80
TEN
255
PEND
Fig. 6.2.2
– 103 –
NO.1 axis near-zero
signal
No.2 axis near-zero
signal
Task No.0 start
Timer counter current
value
Timer counter set value
1msec
Task No.0 end
Task No.255 start
Interruption start
Corresponds to P778
002H Multi-port input
N010
No.of
No.
words
Writing to
G00W
0702H
linker
NC
2 words
Interruption end
Task No.225 end
Program end
STE 73843
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