Yaskawa i80M Connecting Manual - Manual (Page 40)

(2) Reference Point Signal (Phase C Pulse) and Deceleration LS
Be sure that Fig 11.8 is complied with.
TRAVERSE APPROACH SPEED
/
APPROACH SPEED
I I
A
1
L
I
I
1
I
“ ’ R E F E R E N C E
I
I
POINT
1
DOG
I I
WIDTH
1
DISTANCE I
r - i
PHASE-C PULSE i-l
Fig. 11.8 Reference Point Signal and LS
Even when an external feedback unit to be used with the YASNAC-i80M, the feedback signal
of the absolute encoder attached to the standard motor is used for speed control.
Therefore, it is necessary to provide the same wiring connection (JAN CD-
pack connection) as in cases where no external feedback unit is used.
4 0