Mitsubishi Electric FR-E540 Instruction Manual Page 170
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PARAMETERS
157
4.2.56 Frequency setting voltage (current) bias and gain
(Pr. 902 to Pr. 905)
Pr. 902 "frequency setting voltage bias"
Pr. 903 "frequency setting voltage gain"
Pr. 904 "frequency setting current bias"
Pr. 905 "frequency setting current gain"
You can set the output frequency as desired in relation to the frequency setting signal (0 to 5V, 0 to 10V or 4
to 20mA DC).
The "bias" and "gain" functions are used to adjust the relationship between the input signal entered from
outside the inverter to set the output frequency, e.g. 0 to 5VDC, 0 to 10VDC or 4 to 20mADC, and the output
frequency.
#
Use Pr. 902 to set the bias frequency at 0V.
#
Use Pr. 903 to set the output frequency relative to the frequency command voltage set in Pr. 73.
#
Use Pr. 904 to set the bias frequency at 4mA.
#
Use Pr. 905 to set the output frequency relative to the 20mA frequency command current (4 to 20mA).
Parameter
Number
Factory Setting Setting Range
902 0V 0Hz 0 to 10V 0 to 60Hz
903 5V 60Hz
〈
50Hz
〉
0 to 10V 1 to 120Hz
904 4mA 0Hz 0 to 20mA 0 to 60Hz
905 20mA 60Hz
〈
50Hz
〉
0 to 20mA 1 to 120Hz
60Hz
〈
50Hz
〉
Pr.902
Pr.904
Pr.903
Pr.73
Pr.905
Gain
Output frequency (Hz)
Bias
Factory setting
Frequency setting signal
0
0
4
0
5V
10V
20mA
100%
<Setting>
(1) The frequency setting voltage biases and gains may be adjusted in either of the following three ways:
1) Any point can be adjusted with a voltage applied across terminals 2-5.
2) Any point can be adjusted with no voltage applied across terminals 2-5.
3) Bias voltage is not adjusted.
(2) The frequency setting current biases and gains may be adjusted in either of the following three ways:
1) Any point can be adjusted with a current flowing at terminal 4.
2) Any point can be adjusted with no current flowing at terminal 4.
3) Bias current is not adjusted.
Pr. 20 "acceleration/deceleration
reference frequency"
Pr. 73 "0-5V/0-10V selection"
Pr. 79 "operation mode selection"
Related parameters
4
- 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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