Mitsubishi Electric F700 Instruction Manual Page 58
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- TROUBLESHOOTING
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53
Limit the maximum and minimum
output frequency (Pr.1, Pr.2)
4
ADJUSTMENT
4.3 Limit the maximum and minimum output frequency (Pr.1, Pr.2)
Parameter
Number
Name Initial Value
Setting
Range
Description
1 Maximum frequency
55K or less
120Hz
0 to 120Hz
Set the upper limit of the output
frequency.
75K or more
60Hz
2 Minimum frequency
0Hz 0 to 120Hz
Set the lower limit of the output
frequency.
Changing example
You can limit the motor speed. Limit the
frequency set by the potentiometer, etc. to
60Hz maximum.
(Set "60"Hz to Pr.1 Maximum frequency.)
REMARKS
· The output frequency is clamped by the Pr. 2 setting even the set frequency is lower than the Pr. 2 setting (The frequency will
not decrease to the Pr. 2 setting.)
Note that Pr.15 Jog frequency has higher priority than the minimum frequency.
· When the Pr.1 setting is changed, frequency higher than the Pr.1 setting can not be set by .
· When performing a high speed operation at 120Hz or more, setting of Pr.18 High speed maximum frequency is necessary.
(Refer to the Instruction Manual (applied).)
CAUTION
If the Pr.2 setting is higher than the Pr.13 Starting frequency value, note that the motor will run at the set
frequency according to the acceleration time setting by merely switching the start signal on, without entry of
the command frequency.
Output frequency
(Hz)
Pr.1
Pr.18
Pr.2
Frequency setting
Clamped at the
maximum frequency
Clamped at the
minimum frequency
5, 10V
(20mA)
0
(4mA)
1.Screen at powering on
The monitor display appears.
Display
Operation
3.Press to choose the parameter
setting mode.
4.
Pr. 1) appears.
Flicker ··· Parameter setting complete!!
7.Press to set.
5.Press to read the currently set value.
" "(initial value) appears.
6.
Turn to change it to the set
value of " ".
PU indication is lit.
2.Press to choose the PU operation
mode.
· Press to show the setting again.
· Press twice to show the next parameter.
· By turning , you can read another parameter.
The parameter
number read
previously appears.
- INSTRUCTION MANUAL (BASIC) 1
- INVERTER 1
- 4. Additional Instructions 2
- Environment 2
- , surge suppressor or radio 2
- 2 INSTALLATION AND WIRING 2 3
- 3 DRIVE THE MOTOR 28 3
- 4 ADJUSTMENT 51 4
- 5 TROUBLESHOOTING 62 4
- 7 SPECIFICATIONS 91 5
- APPENDICES 110 5
- FR --F740 6
- 2 INSTALLATION AND WIRING 7
- 2.1 Peripheral devices 8
- Peripheral devices 9
- INSTALLATION AND WIRING 10
- •Reinstallation 11
- 2.4 Wiring 13
- 200V class 14
- Screw size 17
- Cable Sizes 19
- (3) Total wiring length 21
- (2) Output signals 23
- (separate power) 25
- (7) Control logic switchover 27
- 2.4.7 RS-485 terminal block 30
- 2.4.8 Communication operation 30
- 3.1 Step of operation 33
- 3.2 Operation panel (FR-DU07) 34
- Operation panel (FR-DU07) 35
- DRIVE THE MOTOR 36
- Operation 37
- 3 Base frequency 39
- (PU operation mode) 40
- Flickering 42
- Operation Display 43
- DisplayOperation 45
- 11. Stop 45
- (external operation) 48
- Three-phase 50
- AC power supply 50
- 10. Stop 51
- 7. Mode/monitor check 51
- 4 ADJUSTMENT 56
- CAUTION 58
- (Pr.7, Pr.8) 59
- ADJUSTMENT 60
- 4.7 Parameter clear 63
- 4.8 All parameter clear 64
- 4.9 Parameter copy 65
- 4.10 Parameter verification 66
- 5.1 List of alarm display 67
- Causes and corrective actions 68
- TROUBLESHOOTING 68
- Inverter 79
- (2) Clearing procedure 81
- 6.1 Inspection Item 84
- Inspection Item 85
- 6.1.6 Cleaning 88
- 6.1.7 Replacement of parts 89
- 6.1.8 Inverter replacement 93
- Earth (ground) terminal 94
- Measuring 95
- 7.1 Rating 96
- •400V class 97
- 7.2 Common specifications 98
- Common specifications 99
- Outline dimension drawings 100
- SPECIFICATIONS 100
- • DC reactor supplied 106
- • FR-F740-250K, 280K, 315K 106
- • FR-F740-400K 108
- • FR-F740-450K 109
- • FR-F740-500K, 560K 110
- • FR-PU04 111
- • FR-F740-185K to 315K 113
- • FR-F740-355K or more 113
- APPENDICES 115
- Extended parameters 117
- Extended parameter list 118
- (2) Wiring instructions 139
- Instructions for installation 140
- (1) EMC Directive 142
- (2) Low Voltage Directive 142
- Print Date 143
- Manual Number 143
- Revision 143
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