
Firmware – S1043
Revision: 2 (9/98)
ix
© Saftronics, Inc.
7.5
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
8
User Constants
............................................................................... 219
8.1
Initialize Mode Constants ............................................................................... 221
8.2
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
9
Troubleshooting
............................................................................... 261
9.1
Protective and Diagnostic Functions .............................................................. 262
9.1.1
Fault Detection .................................................................................................................... 262
9.1.2
Minor Fault Detection .......................................................................................................... 265
9.1.3
Operation Errors .................................................................................................................. 267
9.2
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
10
Maintenance and Inspection ............................................................... 275
10.1
Maintenance and Inspection .......................................................................... 277
10.1.1
Daily Inspection ................................................................................................................... 277
10.1.2
Periodic Inspection .............................................................................................................. 277
10.1.3
Periodic Maintenance of Parts ............................................................................................ 277
11
Specifications ....................................................................................... 279
11.1
Standard Inverter Specifications..................................................................... 280
11.2
Specifications of Options and Peripheral Devices........................................... 284
12
Appendix ............................................................................................... 287
12.1
Inverter Application Precautions..................................................................... 288
12.1.1
Selection ............................................................................................................................. 288
12.1.2
Installation............................................................................................................................ 288
12.1.3
Settings ............................................................................................................................. 288
12.1.4
Handling ............................................................................................................................. 289