
5.FUNCTION DESCRIPTIONS FANUC AC SPINDLE MOTOR αi series B-65280EN/05
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5.2.11 Supplementary Descriptions about Parameters
(1) The following parameters are common to the main and
sub-spindle motors. They cannot be specified separately for these
motors.
Parameter No.
15i 16i 30i
Description
3027 4027 4027 Load detecting level 2
3030 4030 4030 Soft start/stop setting time
3087 4087 4087 Overspeed level
3088 4088 4088
Velocity error excess detecting level on motor shaft
lock condition
3089 4089 4089 Velocity error excess detecting level on motor rotation
3090 4090 4090 Overload detecting level
3095 4095 4095 Adjustment of speedometer output voltage
3096 4096 4096 The adjustment of load meter output voltage
3098 4098 4098 Maximum speed of position feedback signal detection
3099 4099 4099 Delay time for motor excitation
3123 4123 4123 Setting the overload detection time
3260 4260 4260 Speed detection level hysteresis
3341 4341 4341 Unexpected disturbance torque detection level
3344 4344 4344 Advanced feed-forward coefficient
3346 4346 4346 Incomplete integration coefficient
(2) For the sub-spindle motor, up to two gear switching stages can be
specified. The input signal CTH1A is used to select one of the
gear stages. (For the main spindle motor, up to four gear
switching stages can be specified, using CTH1A and CTH2A.)
Parameter No.
15i 16i 30i
Description CTH1A
3216 4216 4216 Gear ratio(SUB side/HIGH) 0
3217 4217 4217 Gear ratio(SUB side /LOW) 1
3218 4218 4218 Position gain on orientation(SUB side/HIGH) 0
3219 4219 4219 Position gain on orientation(SUB side/LOW) 1
3221 4221 4221 Position gain on servo mode(SUB side/HIGH) 0
3222 4222 4222 Position gain on servo mode(SUB side/LOW) 1
(3) For the sub-spindle motor, only one velocity integral gain stage
can be specified. The CTH1A signal cannot be used for
switching.
Parameter No.
15i 16i 30i
Description
3212 4212 4212
Velocity loop integral gain on the velocity control mode
(SUB side)
3213 4213 4213 Velocity loop integral gain on orientation (SUB side)
3214 4214 4214 Velocity loop integral gain on servo mode (SUB side)