Yaskawa PC NC User Manual

Page 182

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4 - 20

YASNAC PCNC Operating Manual

Chapter 4: Maintenance

(d) Axis interlock is input

Check the bit status on the I/O monitor screen. If “0”, the corresponding axis cannot
move.

(e) Machine lock is ON

•

Even when the machine lock function is ON, position display changes. Check the
input of the machine lock switch (1/O monitor, #3006 D5 = 0). If “1”, the axes
do not move.

•

Check the internal toggle switch (parameter pm0000 D 1 = 0). If “1”, the axes
do not move.

(4) Manual Rapid Traverse is Impossible

(a) The rapid mode is not selected

Check the bit status of I/O monitor #3000.

DO = l

Other bits (D1 to D7) = 0

(b) Axis move direction signal is not input.

Check the bit status of I/O monitor #3071 and #3072.

(c) Rapid traverse override is not input

•

Check tie bit status on the I/O monitor screen whether it changes according to the
operation of the RAPID TRAVERSE RATE OVERRIDE switch, and also check

#3078

D

0

= l

1st axis

D

l

= l

2nd axis

D

2

= 1

3rd axis

D

3

= 1

4th axis

D

4

= 1

5th axis

#3071

#3072

D0

+1st axis

D0

-1st axis

Dl

+2nd axis

Dl

-2nd axis

D2

+3rd axis

D2

-3rd axis

D3

+4th axis

D3

-4th axis

D4

+5th axis

D4

-5th axis

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