
4. CONFIRMATION OF
B-65165E/02 START-UP PROCEDURE THE OPERATION
- 59 -
(2) SPM type 3
SPM input
connector
Connector pin
signal
Check
terminal name
Main sensors Remarks
Phase A: pin 5, 6
Phase B: pin 7, 8
PA1
PB1
M, MZ, and BZ sensors Main sideJY2
Phase Z: pin 1, 2 PS1 MZ and BZ sensors (one-rotation signal) Main side
Phase A: pin 5, 6
Phase B: pin 7, 8
PA2
PB2
M, MZ, and BZ sensors Sub sideJY6
Phase Z: pin 1, 2 PS2 MZ and BZ sensors (one-rotation signal) Sub side
Phase A: pin 5, 6
Phase B: pin 7, 8
and
Phase A: pin 5, 6
Phase B: pin 7, 8
PAD
PBD
α position coder (1024 p) When the main side
is selected by
spindle switching
control, signals are
output on JY4.
When the sub side
is selected, signals
are output on JY8.
Parameters must be
set correctly.
JY4 or
JY8
Phase Z: pin 1, 2
and
Phase Z: pin 1, 2
PSD α position coder (one-rotation signal) When the main side
is selected by
spindle switching
control, signals are
output on JY4.
When the sub side
is selected, signals
are output on JY8.
Parameters must be
set correctly.
pin 18 EXTSC1 Proximity switch (external one-rotation signal) Main side
pin 1, 3 LSA1 Magnetic sensor (LSA signal) Main side
JY3
pin 5, 14 MSA1 Magnetic sensor (MSA signal) Main side(*1)
For A20B-1005-
0740 only
pin 18 EXTSC2 Proximity switch (external one-rotation signal) Sub side
pin 1, 3 LSA2 Magnetic sensor (LSA signal) Sub side
JY7
pin 5, 14 MSA2 Magnetic sensor (MSA signal) Sub side(*1)
For A20B-1005-
0740 only
*1 With A20B-2001-0830, MSA is observed on CH1 or CH2.