Mitsubishi Electric FR-E540 Instruction Manual Page 81
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PARAMETERS
68
4.2.3 Base frequency, base frequency voltage (Pr. 3, Pr. 19, Pr. 47)
Pr. 3 "base frequency"
Pr. 19 "base frequency voltage"
Pr. 47 "second V/F (base frequency)
Used to adjust the inverter outputs (voltage, frequency) to the motor rating.
#
When running a standard motor, generally set the rated motor frequency. When running the motor using
the commercial power supply-inverter switch-over, set the base frequency to the same value as the power
supply frequency.
#
If the frequency given on the motor rating plate is "50Hz" only, always set to "50Hz".
Leaving it as "60Hz" may make the voltage too low and the torque less, resulting in overload tripping. Care
must be taken especially when Pr. 14 "load pattern selection" = 1.
Parameter
Number
Factory
Setting
Setting Range Remarks
3 60Hz
〈
50Hz
〉
0 to 120Hz
19 9999
〈
8888
〉
0 to 1000V,
8888, 9999
8888: 95% of power
supply voltage
9999: Same as power
supply voltage
47 9999 0 to 120Hz, 9999 9999: Function invalid
Pr.19
Pr.3
Pr.47
Output frequency (Hz)
Output voltage
<Setting>
•
Use Pr. 3 and Pr. 47 to set the base frequency (rated motor frequency).
•
Pr. 47 "Second V/F (base frequency)" is valid when the RT signal is on. (Note 3)
•
Use Pr. 19 to set the base voltage (e.g. rated motor voltage).
Note: 1. Set 60Hz in Pr. 3 "base frequency" when using a constant-torque motor.
2. When "2" (5-point flexible V/F characteristics) is set in Pr. 71, the Pr. 47 setting is made invalid.
3. The RT signal serves as the second function selection signal and makes the other second
functions valid. Refer to page 138 for Pr. 180 to Pr. 186 (input terminal function selection).
Pr. 14 "load pattern selection"
Pr. 71 "applied motor"
Pr. 180 to Pr. 186 (input terminal
function selection)
Related parameters
- FR-F520-0.75K to 55K 1
- FR-F540-0.75K to 55K(-EC) 1
- FR-F520-11K to 55K-NA 1
- FR-F540-11K to 55K-NA 1
- SAFETY INSTRUCTIONS 3
- 1. Electric Shock Prevention 3
- 2. Fire Prevention 3
- 3. Injury Prevention 3
- 4. Additional instructions 4
- (2) Wiring 4
- (3) Trial run 4
- (4) Operation 4
- (5) Emergency stop 5
- (7) Disposing of the inverter 5
- (8) General instructions 5
- CONTENTS 6
- Contents 6
- 6 SPECIFICATIONS 184 9
- 7 OPTIONS 192 9
- APPENDICES 195 9
- CHAPTER 1 10
- 1.1 Pre-Operation Information 11
- 1.2 Basic Configuration 12
- 1.3 Structure 13
- Front cover 14
- Inverter 14
- INSTALLATION AND WIRING 17
- 2.1 Installation 18
- 2.2 Wiring 20
- Notes on Grounding 24
- EC version 30
- NA and Japanese version 30
- Twin contact 38
- Low-level signal contacts 38
- 2.3 Other wiring 39
- 2.3.6 Peripheral devices 48
- 2.3.9 Earthing (EC version) 53
- CHAPTER 3 54
- OPERATION/CONTROL 54
- 3.1 Pre-Operation Information 55
- 3.1.2 Power on 57
- 3.2 Operation Panel 58
- 3.2.3 Monitoring 59
- 3.2.4 Frequency setting 59
- 3.2.6 Operation mode 61
- 3.2.7 Help mode 61
- 3.2.8 Copy mode 63
- 3.3.1 Parameter checking 64
- Simple mode parameter 65
- 3.3.2 Main parameter settings 66
- 3.4 Operation 68
- CONTROL PANEL 69
- 3.4.3 PU operation mode 70
- 3.4.4 Combined operation mode 71
- CHAPTER 4 72
- PARAMETERS 72
- 4 PARAMETERS 73
- 4.1 Parameter List 73
- Output frequency (Hz) 81
- Output voltage 81
- (Pr. 52 to Pr. 54, Pr. 158) 99
- With alarm 100
- PARAMETERS 101
- 4.2.29 Applied motor (Pr. 71) 110
- 4.2.31 Voltage input (Pr. 73) 112
- (Pr. 75) 113
- Time (Minute) 131
- Minute (Second) 131
- (Pr. 135 to Pr. 139) 140
- Set time (s) 149
- Overload status (OL output) 149
- OL output signal 149
- (Pr. 170, Pr. 171) 151
- Pr. 516 Pr. 504 163
- Pr. 502 + Pr. 503 163
- (Pr. 902 to Pr. 905) 170
- MON EXT PU 172
- PROTECTIVE FUNCTIONS 176
- 5 PROTECTIVE FUNCTIONS 177
- 5.1 Errors (Alarms) 177
- (2) Minor fault 184
- (3) Warnings 184
- 5.1.4 Alarm code output 187
- 5.1.5 Resetting the inverter 187
- 5.2 Troubleshooting 188
- 5.3.2 Check items 190
- 5.3.3 Periodic inspection 190
- 5.3.5 Pressure test 191
- <Preparation> 193
- <Checking method> 193
- Fan cover 194
- Fan connectors 194
- <Example: FR-F540-5.5K> 194
- 5.3.8 Inverter replacement 195
- CHAPTER 6 198
- SPECIFICATIONS 198
- 6 SPECIFICATIONS 199
- 6.1 Standard Specifications 199
- 6.1.2 Common specifications 201
- 95 (3.74) 203
- CHAPTER 7 207
- 7 OPTIONS 208
- 7.1 Option List 208
- • Inboard options 210
- APPENDICES 211
- Appendix 1 Data Code List 212
- REVISIONS 217
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