Saftronics VG520P4 Technical Manual page 10

7.5
8 User Constants
8.1
8.2
9 Troubleshooting
9.1
9.2
10 Maintenance and Inspection ............................................................... 275
10.1
11 Specifications ....................................................................................... 279
11.1
11.2
12 Appendix ............................................................................................... 287
12.1
Firmware – S1043
Revision: 2 (9/98)
Common Functions........................................................................................ 169
7.5.1 Application Constants: b .................................................................................................... 170
7.5.2 Tuning Constants: C........................................................................................................... 178
7.5.3 Reference Constants: d ..................................................................................................... 181
7.5.4 Option Constants: F ........................................................................................................... 183
7.5.5 External Terminal Functions: H ......................................................................................... 187
7.5.6 Protective Functions: L....................................................................................................... 204
7.5.7 Operator Constants: o........................................................................................................ 215
............................................................................... 219
Initialize Mode Constants ............................................................................... 221
Programming Mode Constants....................................................................... 222
8.2.1 Application Constants: b .................................................................................................... 222
8.2.2 Auto-Tuning Constants: C.................................................................................................. 227
8.2.3 Reference Constants: d ..................................................................................................... 233
8.2.4 Motor Constant Constants: E............................................................................................. 236
8.2.5 Options Constants: F.......................................................................................................... 240
8.2.6 Terminal Constants: H ....................................................................................................... 243
8.2.7 Protection Constants: L...................................................................................................... 249
8.2.8 Operator Constants: o........................................................................................................ 255
8.2.9 Factory Settings that Change with the Control Method (A1-02)........................................ 257
8.2.10 Factory Settings that Change with the Inverter Capacity (o2-04)...................................... 258
............................................................................... 261
Protective and Diagnostic Functions .............................................................. 262
9.1.1 Fault Detection .................................................................................................................... 262
9.1.2 Minor Fault Detection .......................................................................................................... 265
9.1.3 Operation Errors.................................................................................................................. 267
Troubleshooting............................................................................................. 268
9.2.1 If Constant Constants Cannot Be Set................................................................................. 268
9.2.2 If the Motor Does Not Operate............................................................................................ 268
9.2.3 If the Direction of the Motor Rotation is Reversed ............................................................. 270
9.2.4 If the Motor Does Not Put Out Torque or If Acceleration is Slow ...................................... 270
9.2.5 If the Motor Does Not Operate According to Reference .................................................... 270
9.2.6 If the Slip Compensation Function Has Low Speed Precision .......................................... 270
9.2.7 If There is Low Speed Control Accuracy at High-speed Rotation in Open-
Loop Vector Control Mode .................................................................................................. 271
9.2.8 If Motor Deceleration is Slow .............................................................................................. 271
9.2.9 If the Motor Overheats ........................................................................................................ 271
9.2.10 If There is Noise When the Inverter is Started or From an AM Radio............................... 272
9.2.11 If the Ground Fault Interrupter Operates When the Inverter is Run .................................. 272
9.2.12 If There is Mechanical Oscillation ....................................................................................... 272
9.2.13 If the Motor Rotates Even When Inverter Output is Stopped ............................................ 273
9.2.14 If 0 V is Detected When the Fan is Started, or Fan Stalls ................................................. 273
9.2.15 If Output Frequency Does Not Rise to Frequency Reference ........................................... 273
Maintenance and Inspection .......................................................................... 277
10.1.1 Daily Inspection ................................................................................................................... 277
10.1.2 Periodic Inspection .............................................................................................................. 277
10.1.3 Periodic Maintenance of Parts............................................................................................ 277
Standard Inverter Specifications..................................................................... 280
Specifications of Options and Peripheral Devices........................................... 284
Inverter Application Precautions..................................................................... 288
12.1.1 Selection ............................................................................................................................. 288
12.1.2 Installation............................................................................................................................ 288
12.1.3 Settings ............................................................................................................................. 288
12.1.4 Handling ............................................................................................................................. 289
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