Yaskawa YASNAC PC NC Maintenance Manual Bedienungsanleitung Seite 169
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PC NC Maintenance Manual The VS-626M5
4-148
Periodic Inspection
The VS-626M5 and the VS-656MR5 function longer if they are kept clean,
cool and dry, while observing the precautions listed in Par. 2.1. Check for
tightness of electrical connections, discoloration, or other signs of over-
heating or aging. Use the table below as your inspection guide. Before ser-
vicing, turn OFF the AC main circuit power and ensure that the CHARGE
LED and 7-segment LED are OFF.
Table 4.34: Periodic Inspection
Component Check Corrective Action
Inverter/
Converter
External Terminals,
Unit Mounting Bolts,
Connectors, etc.
Loose screws Tighten.
Loose connectors Tighten.
Heat Sink Build-up of dust and dirt Blow with dry compressed air of
39.2_10
4
to 58.8_10
4
Pa (4 to
6kg_cm
2
) pressure.
Printed Circuit Board Accumulation of conductive
dust or oil
Blow with dry compressed air of
39.2_10
4
to 58.8_10
4
Pa (4 to
6kg_cm
2
) pressure. If dust and oil
cannot be removed, replace the
board.
Cooling Fan For abnormal noise and vibra-
tion
Whether the cumulative opera-
tion time exceeds 20,000
hours or not.
Replace the cooling fan.
Power Elements Accumulation of dust and dirt Blow with dry compressed air of
39.2_10
4
to 58.8_10
4
Pa (4 to
6kg_cm
2
) pressure.
Smoothing
Capacitor
Discoloration or odor Replace the capacitor or converter
unit.
Related to
Bearing
Bearing Noise Abnormal noise or increase of
noise level
Replace the bearing.
Vibration Abnormal vibration
Bearing
Temperature
Abnormal temperature rise
Grease No leakage Remove the cause to recover.
Motor
Cooling
Fan
Operation Status Normal operation Remove the cause of fan halt or
replace the fan if a fault is found.
- YASNAC PC NC 1
- Maintenance Manual 1
- Contents 2
- Electrical Connection 4
- PC NC case 5
- Connection Between Devices 6
- Connector Layout NC Side 7
- NAC JZNC-JFC10 board 7
- 1.2 General Specifications 8
- All dimensions in millimeters 9
- 246 10
- 6 x 4.16 10
- Table 1.3: Heat Generation 12
- 2.1 Routine Inspection 14
- 2.2 Battery 14
- 2.3 Servo Motor 16
- 2.5 Touch Screen 18
- 2.6 Control Panel 19
- Chapter 4: Troubleshooting 22
- Troubleshooting (1) 25
- Table 4.11: Jog Feedrate 42
- Deceleration switch signal 46
- (*DCX signal) 46
- Figure 4.2: Spindle Rotation 49
- During boot up of the PC NC 53
- 01:Overcurrent 56
- 05: Overload 57
- 11:Output overvoltage 57
- 12:Power circuit low voltage 58
- F0:ROM is defective 62
- F1:EEPROM is defective 62
- F5:CPU is defective 63
- .. : Control card fault 63
- AL-01:Overcurrent 68
- AL-02:Ground fault 69
- AL-31:Motor overspeed 75
- AL-33:The load is abnormal 76
- AL-60:Tuning incompletion 80
- AL-65:INC signal error 83
- AL-A4:YENET1200 card error 3 87
- AL-F0:ROM is defective 92
- AL-F2:EEPROM is defective 2 93
- AL-F3:EEPROM is defective 3 93
- AL-F4:EEPROM is defective 4 93
- The motor does not rotate 95
- The motor reverses 96
- The motor does not stop 97
- Cause and measures 100
- The VS-626M5 101
- Operation 103
- Operation Of Digital Operator 104
- Maintenance and Inspection 105
- 4.3 Receiving 107
- 2 7P5 5 E * 108
- Upper and Lower Covers Opened 109
- 4.4 Installation 111
- Heat Sink 112
- (a) Front View (b) Side View 112
- (a) Front View 113
- (b) Side View 113
- 4.5 Wiring 114
- AC Reactor (L) (Note) 115
- P1N1 Power Cable 116
- A general-purpose noise 119
- Figure 4.14: Grounding 122
- 7. Main Circuit Configuration 125
- 8. Parts Required for Wiring 129
- 9. Control Signal Connectors 135
- Wiring The Control Circuit 137
- 1. Control Signals 137
- 51CN 5CN, 52CN 143
- 3CN (Option) 144
- (a) 0V Common 146
- (b) +24V Common 146
- (c) External Common 146
- 4.6 Operation 149
- (a)@Flange-mounted Type 150
- (b)@Foot-mounted Type 150
- Run Command 151
- (Fault occurrence No.) 152
- 4.7 Digital Operator 154
- RUN STOP 156
- Note: “—” is not displayed 157
- Numbers Letters 157
- 65432 10 158
- Display Example 166
- 626M5 and the VS-656MR5 168
- 4.9 Troubleshooting 170
- Fault Cause Corrective Action 177
- Chapter 5: Adjustments 181
- Location Explanation 182
- 6.1 CPU Rack 183
- 6.2 CRT Display Unit 190
- 6.3 Floppy Disk Drive Unit 199
- 6.4 NC Power Supply 200
- 6.6 Noise Filter 202
- Chapter 7: Memory Option 203
- 8.1 NC Data Handling 205
- Restore Kit Contents 235
- 1. External CD ROM Drive 235
- • EXP computer, INC CD-865 235
- 26. Click the Next button 243
- 7. Touch the Close button 250
- 10. Touch the Start button 253
- Common Instructions 254
- Next button 254
- Yes button to agree 255
- 8.4 CNC Card Software Update 274
- ON < 275
- 8.5 Manual Page Customization 284
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