Yaskawa Yasnac PC NC User Manual

Page 177

Advertising
background image

YASNAC PC NC Operating Manual

Chapter 4: Maintenance

4 - 19

(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
if the setting for the parameters is correct.

#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

Advertising