Sharp CP-SR421 User Manual Page 63
- Page / 404
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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3. SIGNALS AND WIRING
3 - 22
3.6.3 Vertical axis freefall prevention function
The vertical axis freefall prevention function avoids machine damage by pulling up the shaft slightly the
following case.
When the servo motor is used for operating vertical axis, the servo motor electromagnetic brake and the
base circuit shut-off delay time function avoid dropping axis at forced stop. However, the functions may not
avoid dropping axis a few ȝm due to the backlash of the servo motor electromagnetic brake.
The vertical axis freefall prevention function is enabled with the following conditions.
Other than "0" is set in [Pr. PC31 Vertical axis freefall prevention compensation amount].
The servo motor speed decelerates lower than the value of zero speed by turning off EM2 (Forced stop
2) or by an alarm occurrence.
The base circuit shut-off delay time function is enabled.
When [Pr. PC31 Vertical axis freefall prevention compensation amount] is set to a value other than "0", and
when the servo motor speed decelerates lower than the value of zero speed by turning off EM2 (Forced stop
2) or by an alarm occurrence, the freefall prevention function begins to work.
(1) Timing chart
MBR
(㔚⏛ࡉࠠ
ࠗࡦ࠲ࡠ࠶ࠢ)
ON
OFF(ല)
ࡌࠬ࿁〝
(ࠨࡏࡕ࠲߳ߩ
ࠛࡀ࡞ࠡଏ⛎)
ON
OFF
㔚⏛ࡉࠠታേ
ήല
ല
⟎
⒖േ㊂
ON
OFF(ല)
EM2(ᒝᱛ2)
ࡌࠬㆤᢿㆃᑧᤨ㑆ࠍᔅߕ⸳ቯߒߡߊߛߐޕ([Pr.PC02])
(2) Adjustment
Set the freefall prevention compensation amount in [Pr. PC31].
While the servo motor is stopped, turn off the EM2 (Forced stop 2). Adjust the base circuit shut-off
delay time in [Pr. PC02] in accordance with the travel distance ([Pr. PC31). Adjust it considering the
freefall prevention compensation amount by checking the servo motor speed, torque ripple, etc.
EM2 (Forced stop 2)
OFF
(Enabled)
Position
Base circuit (Energy
supply to the servo
motor)
MBR (Electromagnetic
brake interlock)
A
ctual operation of
electromagnetic brake
OFF
(Enabled)
Disabled
Disabled
Travel distance
Set the base circuit shut-off delay time. ([Pr. PC02])
- MR-J4-_B 1
- 6DIHW\,QVWUXFWLRQV 2
- :$51,1* 2
- &$87,21 2
- &$87,21 3
- ',6326$/2):$67( 7
- (Note 4) 17
- (2) MR-J4-700B 18
- [Pr. PC09], [Pr. PC10] 22
- MR-J4-10B 23
- Inside of the display cover 24
- Bottom face 24
- Chapter 24
- 1 - 10 25
- (2) MR-J4-350B 25
- Front cover 29
- Setting tab 29
- Next servo amplifier 30
- CN1A or cap 30
- 1 - 16 31
- 1 - 17 32
- (3) MR-J4-500B 32
- Servo system controller or 33
- 40 mm or more 35
- 2. INSTALLATION 36
- శࠦ࠼ㇱ ࠤࡉ࡞ㇱ 37
- 3. SIGNALS AND WIRING 44
- 3 s to 4 53
- If polarity of diode is 70
- Servo motor speed 76
- 6,*1$/6$1':,5,1* 79
- 4. STARTUP 81
- Servo amplifie 82
- Servo moto 82
- ᓮゲήലࠬࠗ࠶࠴ 86
- Alarm No 89
- (2 digits) 89
- Flickering 90
- 67$5783 91
- SW2-1ࠍ"ࠝࡈ(ਅ)"ߦ⸳ቯ 97
- 5. PARAMETERS 100
- 3$5$0(7(56 124
- [Pr. PC24] 134
- 0 r/min 134
- (0 mm/s) 134
- 6. NORMAL GAIN ADJUSTMENT 146
- Speed loop gain setting 159
- Speed [r/min] 163
- Model loop gain setting 163
- Notch depth 165
- Notch frequency 167
- Has vibration or unusual 168
- [Pr.PB23] 169
- ゲᝄᛥࡈࠖ࡞࠲ㆬᛯ 169
- 1: ࡑ࠾ࡘࠕ࡞⸳ቯ 169
- Manual setting 170
- Disabled 170
- Low-pass filter selection 170
- Setting value 171
- Has vibration of workpiece 172
- Motor-side vibration 174
- (droop pulses) 174
- Position 175
- Load side 175
- Setting 176
- Frequency 176
- 7 - 21 184
- (b) Switching timing chart 184
- CAUTION 187
- (Warning) 189
- Instantaneous power 190
- 8. TROUBLESHOOTING 192
- 287/,1('5$:,1*6 200
- 205
- $SSUR[ $SSUR[ 205
- $SSUR[ 205
- / /7( 206
- 208
- 10. CHARACTERISTICS 210
- Operating 211
- Air flow 213
- Time constant IJ [ms] 215
- WARNING 218
- Cautions 218
- Servo amplifier 221
- MR-D05UDL3M-B 221
- 2.2 ± 0.07 222
- Protective tube 223
- Unbalance torque 225
- Positive 227
- Negative 227
- [Unit: mm] 231
- N/- P/+ PR 237
- 237
- (Note 1) 244
- Power supply 246
- Environment 246
- 2CR17335A WK17 250
- 6V 1650mAh 250
- (Note 2) 254
- CR-10201 259
- Approx. 22.5 261
- Approx. 65 261
- Leakage current [mA] 264
- 28.5 ± 1 28 ± 1 269
- 4.5 ± 0.5 269
- &RYHU 274
- /RFNLQJSDUW 274
- 05%$79 274
- :$51,1* 276
- 86,1*672)81&7,21 277
- 67272)% 279
- 672&20 279
- 72)&20 279
- WARNING 288
- Linear servo motor 290
- Installation and wirin 292
- Absolute position linear 292
- Incremental linear encoder 292
- 14 - 7 294
- [Pr. PL03] 295
- [Pr. PL02] 295
- Has [AL. 27 Initial magnetic 296
- occurred? 296
- 14 - 10 297
- Servo-off status 298
- During the magnetic 298
- (servo-on status) 298
- [Pr.PL01] 301
- Position detection method 302
- [Pr. PL08] 302
- Stop interval [pulse] 303
- 1048576 (initial value) 303
- 1048576 pulses × n 306
- SW2-1ࠍ"ࠝࡦ()"ߦ⸳ቯ 308
- Differ 310
- ࠨࡏࡠ࠶ࠢᤨ 313
- Servo system controller 319
- 15 - 5 322
- 15.3.1 Startup procedure 322
- 15 - 8 325
- [Pr.PL08] 329
- 0: Position detection method 329
- [Pr.PL04] 332
- EM1 (Forced stop 1) 336
- 16 - 2 339
- Semi closed loop control 340
- Fully closed loop control 340
- SSCNET III/H controller 341
- Load-side encoder 342
- Do as necessary 345
- Operation mode 346
- Linear encoder 347
- Linear encoder head 347
- Geared servo motor 347
- Pulley diameter 348
- Servo motor-side cumulative 349
- Droop pulses 350
- Linear encoder home position 351
- Proximity dog signal 352
- JOG operation 352
- Servo motor s 355
- [Pr. PE03] 357
- 'ZRNCPCVKQP 359
- 16 - 23 360
- APPENDIX 362
- 24 V DC 365
- EMG stop 370
- 2.3mm 0.05mm 384
- 40 mm or longer 388
- 2) 3) 4) 1) 392
- ࠕ࠽ࡠࠣࡕ࠾࠲ch1ജㆬᛯ 394
- (MO1-LG㑆ߦജߔࠆାภ) 394
- REVISIONS 399
- MITSUBISHI ELECTRIC 404
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