Instruction manual
Table Of Contents
- SAFETY INSTRUCTIONS
- CONTENTS
- CHAPTER 1 OUTLINE
- CHAPTER 2 INSTALLATION AND WIRING
- CHAPTER 3 OPERATION/CONTROL
- CHAPTER 4 PARAMETERS
- CHAPTER 5 PROTECTIVE FUNCTIONS
- 5.1 Errors (Alarms)
- 5.2 Troubleshooting
- 5.2.1 Motor remains stopped.
- 5.2.2 Motor rotates in opposite direction.
- 5.2.3 Speed greatly differs from the setting.
- 5.2.4 Acceleration/deceleration is not smooth.
- 5.2.5 Motor current is large.
- 5.2.6 Speed does not increase.
- 5.2.7 Speed varies during operation.
- 5.2.8 Operation mode is not changed properly.
- 5.2.9 Operation panel (FR-DU04) display is not provided.
- 5.2.10 POWER lamp is not lit.
- 5.2.11Parameter write cannot be performed
- 5.3 Precautions for Maintenance and Inspection
- CHAPTER 6 SPECIFICATIONS
- CHAPTER 7 OPTIONS
- APPENDICES
- REVISIONS
PARAMETERS
171
Note: 1. If the Pr. 903 or Pr. 905 (gain adjustment) value is changed, the Pr. 20 value does not change.
2. When the Pr. 903 or Pr. 905 value is set, the value of Pr. 38 "frequency at 5V (10V) input" or Pr.
39 "frequency at 20mA input" changes automatically.
CAUTION
Be careful when setting the bias frequency at 0V to any value other than "0". Even
without the speed command, the motor will start running at the set frequency by
merely switching on the start signal.
z
zz
z Buzzer control (Pr. 990)
Pr. 990 "buzzer control"
You can make the buzzer "beep" when you press any key of the operation panel or parameter unit.
Parameter
Number
Factory
Setting
Setting Range Remarks
990 1 0, 1 0: Without beep, 1: With beep
4