
E. FSSB START–UP PROCEDURE/
MATERIALS
B–64115EN/01
APPENDIX
636
Alarms related to pulse coders
NC
alarm
No.
Message Description
360 n AXIS : ABNORMAL
CHECKSUM (INT)
A checksum error occurred in the built–in
pulse coder.
361 n AXIS : ABNORMAL PHASE
DATA (INT)
A phase data error occurred in the built–in
pulse coder.
362 n AXIS : ABNORMAL
REV.DATA (INT)
A rotation speed count error occurred in the
built–in pulse coder.
363 n AXIS : ABNORMAL CLOCK
(INT)
A clock error occurred in the built–in pulse
coder.
364 n AXIS : SOFT PHASE
ALARM (INT)
The digital servo software detected invalid
data in the built–in pulse coder.
365 n AXIS : BROKEN LED (INT) An LED error occurred in the built–in pulse
coder.
366 n AXIS : PULSE MISS (INT) A pulse error occurred in the built–in pulse
coder.
367 n AXIS : COUNT MISS (INT) A count error occurred in the built–in pulse
coder.
368 n AXIS : SERIAL DATA ER-
ROR (INT)
Communication data from the built–in pulse
coder cannot be received.
369 n AXIS : DATA TRANS. ER-
ROR (INT)
A CRC or stop bit error occurred in the com-
munication data being received from the
built–in pulse coder.
380 n AXIS : BROKEN LED (EXT) The LED of separate detector is erroneous.
381 n AXIS : ABNORMAL PHASE
(EXT LIN)
A phase data error occurred in the separate
linear scale.
382 n AXIS : COUNT MISS (EXT) A pulse error occurred in the separate de-
tector.
383 n AXIS : PULSE MISS (EXT) A count error occurred in the separate de-
tector.
384 n AXIS : SOFT PHASE
ALARM (EXT)
The digital servo software detected invalid
data in the separate detector.
385 n AXIS : SERIAL DATA ER-
ROR (EXT)
Communication data from the separate de-
tector cannot be received.
386 n AXIS : DATA TRANS. ER-
ROR (EXT)
A CRC or stop bit error occurred in the com-
munication data being received from the
separate detector.
E.6
ALARMS