
B–65162E/03
10. INTERFACE SIGNALS
361
(3) Spindle control DI signals
Symbol Signal Description
TLMLA, B
Torque limit
command (low)
Limits the output torque of the spindle motor. Set the limit
using the spindle parameter.
TLML TLMH
0 0 : No torque limit
0 1 : Limits the torque to the value
TLMHA, B
Torque limit
command
(high)
:
m
s
e
orque
o
e va
ue
specified with the parameter.
1 0 : Limits the torque to half of the
value specified with the parameter.
1 1 : Limits the torque to half of the
value specified with the parameter.
CTH1, 2A, B
Clutch or gear
signal
Specify one of the following conditions according to the
clutch or gear status.
Used to select a spindle control parameter.
CTH1 CTH2
0 0 : High gear
0 1 : Medium high gear
1 0 : Medium low gear
1 1 : Low gear
SRVA, B
Reverse rota-
tion command
Specifies the rotation direction when the spindle motor is
viewed from the shaft.
SRV SFR
0 0 : Stop
SFRA, B
Normal rotation
command
0 1 : Normal rotation
(CCW: Counterclockwise)
1 0 : Reverse rotation (CW: Clockwise)
1 1 : Stop
ORCMA, B
Orientation
command
Used for spindle orientation control.
0:–
1 : Spindle orientation control is performed.
MRDYA, B
Machine ready
signal
0 : Motor is not excited.
1 : Motor is ready for operation.
ARSTA, B
Alarm reset sig-
nal
Used to reset the spindle alarm.
”1”
”0”
*ESPA, B
Emergency
stop signal
0 : Emergency stop
1 : Normal operation
SPSLA, B
Spindle selec-
tion request
signal
Used to select the spindle motor by spindle switcing con-
trol.
0 : Main spindle
1 : Sub spindle
MCFNA, B
Power line
status check
signal
Used for the spindle switching control.
0 : Main spindle
1 : Sub spindle
SOCNA, B
Soft start/stop
cancel signal
0 : The soft start/stop function is canceled.
1 : The soft start/stop function is enabled.
INTGA, B
Velocity inte-
gral control sig-
nal
0 : Velocity integral control is enabled.
1 : Velocity integral control is disabled.
The alarm is reset when the level of
the signal is changed from 1 to 0.
32 ms min.