Mitsubishi Electric FR-E540 Instruction Manual Page 142
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PARAMETERS
129
•
Roles of the magnetic contactors (MC1, MC2, MC3)
Magnetic
Contactor
Place of Installation Role
MC1
Between power supply and
inverter
Normally shorted with the following exception:
Opened only when an inverter fault occurs (shorted again by resetting)
MC2 Between power supply and motor
Shorted for commercial power supply operation, opened for inverter
operation
Shorted when an inverter fault occurs (selected with parameter, except
for external thermal relay operation)
MC3 Between inverter output and motor
Shorted for inverter operation, opened for commercial power supply
operation
Opened when an inverter fault occurs
<I/O signals>
1) When this function is used (Pr. 135 = "1"), the input signals are switched on-off as indicated below:
MC Operation ($
$$
$: ON, ×
××
×: OFF)
Signal Terminal Used Function On-Off
MC1 MC2 MC3
MRS MRS
Operation
enable/disable selection
Commercial power supply-
inverter operation enable
........................ON
Commercial power supply-
inverter operation disable
........................OFF
$
$
×
Unchanged
CS
Depending on
Pr. 180 to Pr.186
Inverter-commercial
power supply switch-
over
Inverter operation
........................ON
Commercial power supply
operation .........OFF
$
$
×
$
$
×
STF
(STR)
STF
(STR)
Inverter operation
command (invalid for
commercial power
supply) (Note)
Forward (reverse) rotation
........................ON
Stop.................OFF
$
$
×
×
$
$
OH
Depending on
Pr. 180 to Pr.186
External thermal relay
input
Motor normal ...ON
Motor fault .......OFF
$
×
×
×
RES RES
Operating condition
initialization
Initialization......ON
Normal operation
........................OFF
Unchanged
$
×
Unchanged
Note:
•
In the above MC Operation field, [-] indicates that MC1 is on, MC2 is off and MC3 is on in inverter
operation and MC1 is on, MC2 is on and MC3 is off in commercial power supply operation.
[Unchanged] indicates that the status before signal-on or -off is held.
•
The CS signal only functions when the MRS signal is on. STF (STR) only functions when MRS and
CS are on.
•
MC1 switches off when an inverter fault occurs.
•
If the MRS signal is not switched on, neither commercial power supply nor inverter operation can be
performed.
•
For the RES signal, reset input acceptance selection can be made using reset selection (Pr. 75).
2) The output signals are output as follows:
Signal Terminal Used Description
MC1 MC1's operation signal is output
MC2 MC2's operation signal is output
MC3
Depending on Pr. 190
to Pr. 195
MC3's operation signal is output
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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