Yaskawa YASNAC PC NC Maintenance Manual - Manual (Page 43)

PC NC Maintenance Manual Chapter 4: Troubleshooting
4-22
(d) Axis interlock is input
Check the bit status on the I/O monitor screen. If “0”, the cor-
responding axis cannot move.
(e) Machine lock is ON
• Even when the machine lock function is ON, the 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.
#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