8. TROUBLESHOOTING
/MELSEC
8.2.4 Speed
wrong
Check parameters and positioning
data.
I
NO
-
Correct the data.
within parameters.
Check that positioning
speeds are
1
YES
-
Set Epeed within parameters.
YES
Actual speed of longer-travel axis is about 5%
*
lower than set
s p e e d .
Check for a PC instructed w e d
change.
I
YES
c
Check m q u e n a program.
J
Check output pulse frequency using
pulse counter or oscilloscope.
Frequency OK?
NO
*
Contact Mitsubishi representative.
r - l
Check motor drive unit.
8-1
1
IB INAI bslO1.A