
5/8
Design.
Date Ed.
1
04.11.30
HEET
DRAW. No.
U
T.
TITLE
M. Niwa
Revision of αi series Spindle software
9D50 edition M, 9D53 edition D
and 9D70 edition C
A-63448E-108
01
6. Unexpected disturbance torque detection function for synchronous spindle motor [9D53/D,9D70C]
6.1. General
Unexpected disturbance torque detection function for synchronous spindle motor is added.
Please refer to “FANUC AC SPINDLE MOTOR αi series PARAMETER MANUAL : B-65280EN” for
detailed specification of unexpected disturbance torque detection function.
6.2. Input signal/Output signal
6.2.1. Input signal (PMC→CNC)
There is no input signal related to this function.
6.2.2. Output signal (CNC→PMC)
16i 30i
#7 #6 #5 #4 #3 #2 #1 #0
F090 F090
ABTSP3 ABTSP2 ABTSP1
F091 F091
ABTSP4
15i
#7 #6 #5 #4 #3 #2 #1 #0
F155
AQSP2 AQSP1
F154
AQSP4 AQSP3
ABTSP1, AQSP1 : First-spindle unexpected disturbance torque detection signals
ABTSP2, AQSP2 : Second-spindle unexpected disturbance torque detection signals
ABTSP3, AQSP3 : Third-spindle unexpected disturbance torque detection signals
ABTSP4, AQSP4 : Fourth-spindle unexpected disturbance torque detection signals
Please refer to CNC Connection Manual (Function) for details of each signals.
6.3. Parameters
6.3.1. List of related parameters
Parameter No.
15i 16i 30i
Description
3015#1 4015#1 4015#1
Whether the unexpected disturbance torque detection function is
available (The CNC software option is required.)
3248 4248 4248
Torque constant for spindle load torque monitoring
3249 4249 4249
Observer gain 1 for spindle load torque monitoring
3250 4250 4250
Observer gain 2 for spindle load torque monitoring
3341 4341 4341
Unexpected disturbance torque detection level
6.3.2. Details of Related Parameters
15i 16i 30i
#7 #6 #5 #4 #3 #2 #1 #0
3520 4520 4520
SPLDMT
SPLDMT : Whether the expected disturbance torque detection function is