YASKAWA VS-626M5 Specifications Page 181
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Chapter 5: Adjustments PC NC Maintenance Manual
5-1
Chapter 5: Adjustments
The table below provides the adjustment procedures necessary following installation of
the YASNAC PC NC.
Table 5.1 Adjustment Procedures
Location Explanation
Interior and exterior of
control cabinet
• Examine the exterior of the control panel for contamination/damage.
• Verify the module connections inside the cabinet are tight.
• Examine the cables and lead bundle inside the cabinet are not damaged.
Screw terminals Check the following screw terminals for tightness:
• Power input unit terminal block
• Power ON/OFF button switches on MDI and CRT unit
• Control power transformer terminal block
Check all terminal block covers for dislocation.
External cables • Verify that the cable shield is connected to the ground block through a
clamp.
• Verify that a protective ground wire is installed between the NC and
machine tool.
• Verify that the protective ground wire is of a one-point ground type.
Power input cable Prior to connecting the power input cable, verify that the power input termi-
nals R, S, and T inside the unit are not shorted.
Connector and module
locations and insertions
• Verify that the screws on the module clamps are tightened on the CPU
rack.
• Verify that the clamp claws on the Honda connectors are tightened and
that the clamp screws are securely in place.
• Verify that the clamp claws on the power supply connectors are in place.
• Verify that the clamp claws on the flat cables are in place.
Setting • Verify that the control power transformer setting corresponds to the input
power supply voltage.
Input power supply voltage
and frequency
• Verify that the power supply voltage and frequency meet the ratings.
• Verify that the input power supply capacity is high enough for power con-
sumption of the control unit.
Composite power supply
unit
Verify that the composite power supply unit outputs are not short-circuited.
Check for short-circuits between:
• +5V and 0V
• +12V and 0V
• +24V and 0V
• -12V and 0V
- 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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