Mitsubishi FREQROL-SF Troubleshooting Manual page 11

sequence diagnosis.
Item
I
Check the contents of the external signal 1 (CTMl) and
external signal 2 (CTM2) of input signals and external
signal 3 (STSl) and external signal 4 (STS2) of output
signals by comparing them with the following table.
(Note) On the NC spindle monitor display (ALM/DGN3),
the external signal 1 and external signal 4 are
checked as a control input and control output,
respectively.
Shift
DOWN
Display
1 Troubleshooting
1.1 Status display
and diagnosis
Description
Represents the ready
state.
Represents the non-ready
3
EXTERNAL SIGNAL 3