
6. AC SPINDLE (SERIAL INTERFACE)
B–62835EN/01
226
Name Signal Remarks
PA
Pulse–generator phase A 90°advance for PB in a CW rotation
Vpp=0.36 to 0.5V
PB
Pulse–generator phase B 90° delay for PA in a CW rotation
Vpp=0.36 to 0.5V
RA
Phase–A reference voltage +2.5VDC "0.2
RB
Phase–B reference voltage +2.5VDC "0.2
PAAS
Signal with the amplitude
10 times that of PA
90° advance for PB in a clockwise
direction,V
p–p
=3.6 to 0.5V
PBAS
Signal with the amplitude
10 times that of PB
90 delay for PA in a clockwise direc-
tion,V
p–p
=3.6V to 5.0V
PAA
A phase pulse waveform Duty 50% (ON/ OFF ratio)
PBA
B phase pulse waveform Duty 50% (ON/ OFF ratio)
*ITP1
ITP pulse Synchronous signal from the CNC
TR
Serial data transmission
signal
The high level of this signal indicates
that serial data is being transmitted
from the CNC
MSA
Magnetic sensor output
MSA signal
One signal per rotation
LSA
Magnetic sensor output
LAS signal
One signal per rotation
*LS
LSA pulse signal One signal per rotation
PAE2
Position–coder phase A Duty 50% (ON/ OFF ratio)
PBE2
Posiiton–coder phase B Duty 50% (ON/ OFF ratio)
PSE2
Position–coder phase Z 1 pulse/rotation
*PELS
Position coder cable is bro-
ken
The low level of this signal indicates
that the wire is broken.
CLK1
Clock signal 8MHz, 50% duty
VDC
DC link voltage signal Voltage that is 1/100 of the DC link
voltage
SDC
Control power DC link volt-
age signal
Voltage that is 1/100 of the DC voltage
of the input power
+24V
+24V DC voltage +20V to +26V
+15V
+15V DC voltage +15V±4%
+5V
+5V DC voltage +5V±2%
–15V
–15V DC voltage –15V±4%
0V
IU
U–phase current detection
signal
IV
V–phase current detection
signal
6.2
TABLE OF TEST
POINTS
6.2.1
Printed Circuit Board
(A16B–2201–0440)
CurrentAmplifier
Model 1S to 3S
Model small 6S,6S to 12S
Model 15S
Model 15S to 22S
Model 26S
Model Small 30S
Model 30S
Model 40S
Model 30HV,40HV
Model 60HV
21.9A/V
33.3A/V
41.7A/V
66.7A/V
83.3A/V
111.1A/V
83.3A/V
104.2A/V
50.5A/V
94.7A/V