MDS-C1-SPA Series INSTRUCTION MANUALib1500152(eng)a.pdf - 第135页

4. Spindle Adjustment 4 - 44 (4) Adjusting the orientation deceleration control [1] Polarity setting of sensor Input the orientation command (ORC) when the machi ne is in the normal st ate. Confirm that the operation sto…

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4. Spindle Adjustment
4 - 43
Default parameter settings for detector in use
No. Abbr. Parameter name
(a) Motor PLG (b) Spindle detector
(c) Magnetic
sensor
SP123 MGD0* Magnetic sensor output peak value - -
Standard: 542
Small type: 500
SP124 MGD1* Magnetic sensor linear zone width - -
Standard: 768
Small type: 440
SP125 MGD2* Magnetic sensor changeover point - -
Standard: 384
Small type: 220
SP129
to
SP140
HI01
to
HI12
General-purpose input selection1 to 12
1: Orientation
start
7: Gear
selection 1
8: Gear
selection 2
1: Orientation start
7:Gear selection 1
8: Gear selection 2
1: Orientation
start
7: Gear
selection 1
8: Gear
selection 2
SP141
to
SP154
HO1e
to
HO6c
General-purpose output selection
open emitter1 to open corrector6
1: Orientation
complete
1: Orientation
complete
1: Orientation
complete
SP225 OXKPH*
Position loop gain magnification after orientation
completed (H coil)
0 0 0
SP226 OXKPL*
Position loop gain magnification after orientation
completed (L coil)
0 0 0
SP227 OXVKP*
Speed loop prop ortional gain magnification after
orientation completed
0 0 0
SP228 OXVKI*
Speed loop cumulative gain magnification after
orientation completed
0 0 0
(Note 1) *: Set according to machine specifications, -: Setting irrelevant
(Note 2) Parameters having an abbreviation with "*" (MGD0*, etc.) are validated right after the settings are changed by the
personal computer, without turning the spindle drive unit's power ON and OFF.
4. Spindle Adjustment
4 - 44
(4) Adjusting the orientation deceleration control
[1] Polarity setting of sensor
Input the orientation command (ORC) when the machine is in the normal state. Confirm that the
operation stops at one point and the orientation complete signal (ORCF) turns ON even when
the operation is unstable. If the excessive error al arm (alarm 52) occurs, o r if the operation does
not stop and repeats forward/reverse run at a low-speed when using the magnetic sensor
orientation specifications, change the value for SP097/bit5 or bit6. If the excessive error alarm
occurs even after changing this value, carry out step [3].
No. Abbr. Parameter name Details
FEDCBA98765 4 3 2 10
ostp orze ksft gchg ips2 zdir vg8x mdir fdir Oscl pyfx dmin odi2 odi1
bit Meaning when set to 0 Meaning when set to 1 Standard
5 fdir Encoder installation polarity: + Encoder installation polarity: – 0
6 mdir Magnetic sens or polarity: + Magnetic sensor polarity: – 0
SP097 SPECO* Orientation
specification
[2] Adjustment of orientation stop position
Next, adjust the in-position shift amount for orientation control: SP007 (OPST) so that the axis
stops at the target stop point. If the stop position command data is input from the spindle side
detector, or from an external source during motor PLG orientation, the operation will stop
according to the given data as shown in the drawing below regardless of the detector's
mounting direction. The 0° position sh own below is the position shifted by SP007 (OPST).
Orientation stop position
(Note) When "1" is set in SP037(SFNC5)/bit7, the stop position by the external stop position data can be changed
by 180° in the figure above. (0h: 0°, C00h: 90°, 800h: 180°, 400h: 270°)
No. Abbr. Parameter name Details
Setting
range
Standard
F E D C B A 9 8 7 6 5 4 3 2 1 0
dplg ospcl noplg nsno nosg psdir plgo mago enco
bit
Meaning when set to 0 Meaning when set to 1 Standard
7 psdir
Position shift (standard) Position shift (reverse direction)
0
SP037 SFNC5 Spindle function 5
SP007 OPST In-position shift
amount for
orientation
Set the stop position for orientation.
(1) Motor PLG, spindle side detector:
Set the value by dividing 360° by 4096.
(2) Magnetic sensor:
Divide –5° to +5° by 1024 and put 0° for 0.
(1) 0 to 4095
(2) -512 to
512
0
View S
0h
(0°)
400h
(90°)
800h
(180°)
C00h
(270°)
S
p
indle side detecto
r
XS
p
indle
Spindle motor
A
BC
DE
F
S
4. Spindle Adjustment
4 - 45
[3] Adjustment of position loop gain deceleration rate
Adjust the orientation time and vibration. Refer to the following table and adjust the parameters
according to the apparent state. When using the motor PLG and magnetic sensor, adjust the
position loop gain with SP001 (PGM). When using the spindle side detector, adjust SP002
(PGE). Adjust SP006 (CSP) after adjusting SP001 and PS002. When performing coil change
over, each coil can be adjusted individually. (Refer to the next page.)
Adjusting the orientation control
Parameter adjustment
State
SP001/SP002 SP006
The operation overshoots when stopping Decrease the setting value Decrease the setting value
The orientation time is long Increase the setting value Increase the setting value
Hunting occurs when stopping Decrease the setting value Do not change the setting value
An excessive error alarm occurs Decrease the setting value Decrease the setting value
To adjust the shortest orientation time for each gear, adjust deceleration rate for each gear by
SP107 (CSP2) to SP109 (CSP4) in the same manner. If an excessive error alarm occurs when
the gear ratio is 1:10 or more, and the state is not improved with the above adjustments, adjust
the speed clamp value (SP 005) as described later.
No. Abbr. Parameter name Details
Setting
range
Standard
SP001 PGM Magnetic sensor,
motor PLG
orientation position
loop gain
The orientation time will be shorter when the value is increased,
and the servo rigidity will increase. On the other hand, the
vibration will increase, and the machine will sway easily.
0 to1000
(0.1rad/s)
100
SP002 PGE Encoder orientation
position loop gain
The orientation time will be shorter when the value is increased,
and the servo rigidity will increase. On the other hand, the
vibration will increase, and the machine will sway easily.
0 to 1000
(0.1rad/s)
100
SP006 CSP Orientation mode
deceleration rate
As the set value is larger, the orientation time becomes shorter.
However, the machine becomes likely to overshoot.
1 to 1000 20
SP107 CSP2 Deceleration rate 2
in orientation control
mode
Set the deceleration rate in orientation mode corresponding to
the gear 001.
When this parameter is set to "0", same as SP006 (CSP).
0 to 1000 0
SP108 CSP3 Deceleration rate 3
in orientation control
mode
Set the deceleration rate in orientation mode corresponding to
the gear 010.
When this parameter is set to "0", same as SP006 (CSP).
0 to 1000 0
SP109 CSP4 Deceleration rate 4
in orientation control
mode
Set the deceleration rate in orientation mode corresponding to
the gear 011.
When this parameter is set to "0", same as SP006 (CSP).
0 to 1000 0
POINT
On machines with large spi ndle-to-motor gear ratios, it may not be possible to
achieve the desired results by adjusting the SP001, SP002, and SP006 parameters,
due to internal clamping. When clamped, the p arameter settings can be chang ed, but
control remains unch anged.
S
p
eed FB
0
ORC
ORCF
Position loop
changeover speed