
C. FSSB APPENDIX B-65235EN/02
- 102 -
Relation to servo amplifier
Number of
NC alarms
Message Meaning
460 n axis : FSSB disconnection FSSB communication is open.
1. Optical fiber cable is open
or disconnection.
2. Control power supply is
shut down.
3. LV alarm of control power
supply is occurred.
461 n axis : illegal amp interface Both axes are Fast interface
in 2-axes amplifier.
462 n axis : send CNC data failed The slave side amplifier does
not receive normal data
because of FSSB
communication error.
463 n axis : send slave data failed The servo side amplifier does
not receive normal data
because of FSSB
communication error.
464 n axis : write ID data failed The amplifier can not be written
maintenance information in
maintenance screen.
465 n axis : read ID data failed The amplifier can not read
maintenance information in
maintenance screen.
466 n axis : motor / amp combination The value of amplifier
maximum current is illegal to it
of motor maximum current.
467 n axis : illegal setting of axis The amplifer is set to 2 axes
in axis setting screen, but the
following is not possibility.
1. Learning control
(PRM2008#5=1)
2. High current loop
(PRM2004#0=1)
3. High interface axis
(PRM2005#4=1)