Yaskawa PC NC - Manual (Page 182)

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