Mitsubishi Electric FR-A720-0.4K Specifications Page 54
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When setting parameters, refer to the instruction manual (applied) and understand instructions.
(2) Communication EEPROM write selection (Pr. 342)
Parameters written via the inverter's PU connector, RS-485
terminals, or from the communication option can be written
to the RAM. When performing parameter change frequently,
set
"1" in Pr.342.
(3) Modbus-RTU communication specifications
(Pr.343, Pr.549)
* Modbus-RTU protocol is valid only for communication from the FR-485
terminals.
You can set the magnitude (slope) of the output frequency (speed,
torque/magnetic flux) as desired in relation to the frequency setting
signal (0 to 5VDC, 0 to 10V or 4 to 20mA).
(1) Change the frequency (speed) at maximum analog
input.
(Pr.125, Pr.126, C14(Pr.918))
Set a value in
Pr.125(Pr.126, C14(Pr.918))
when changing only
the frequency setting (gain) of the maximum analog input
voltage (current). (Other calibration parameter settings need not
be changed.)
(2) Change the torque/magnetic flux at maximum analog
input.
(C18 (Pr.920), C40 (Pr.933))
Set C18(Pr.920), C40(Pr.933) when changing only torque/
magnetic flux command of the maximum analog input
voltage (current). (Other calibration parameter settings need
not be changed.)
(3) Analog input bias/gain calibration
(C2 (Pr.902) to C7 (Pr.905), C16 (Pr. 919) to C19 (Pr.
920), C38 (Pr. 932) to C41 (Pr. 933))
⋅ 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 (torque/magnetic
flux), e.g. 0 to 5V, 0 to 10V or 4 to 20mADC, and the output
frequency (torque/magnetic flux).
(4) Analog input display unit changing (Pr.241)
⋅ You can change the analog input display unit (%/V/mA) for
analog input bias/gain calibration.
Pr.
Number
Setting
Range
Description
343
Display the number of communication errors
during Modbus-RTU communication. Reading only
549
0 (initial
value)
Mitsubishi inverter (computer link operation)
protocol
1
Modbus-RTU protocol
Analog input frequency (speed) and torque/
magnetic flux change and adjustment (calibration)
Pr.125
Terminal 2 frequency setting gain frequency
Pr.126
Terminal 4 frequency setting gain frequency
Pr.241 Analog input display unit switchover
C2(pr.902) Terminal 2 frequency setting bias frequency
C3(Pr.902)
Terminal 2 frequency setting bias
C4(Pr.903)
Terminal 2 frequency setting gain
C5(Pr.904) Terminal 4 frequency setting bias frequency
C6(Pr.904)
Terminal 4 frequency setting bias
C7(Pr.905)
Terminal 4 frequency setting gain
C12(Pr.917)
Terminal 1 bias frequency (speed)
C13(Pr.917)
Terminal 1 bias (speed)
C14(Pr.918)
Terminal 1 gain frequency (speed)
C15(Pr.918) Terminal 1 gain (speed)
C16(Pr.919) Terminal 1 bias command (torque/magnetic flux)
C17(Pr.919) Terminal 1 bias (torque/magnetic flux)
C18(Pr.920) Terminal 1 gain command (torque/magnetic flux)
C19(Pr.920) Terminal 1 gain (torque/magnetic flux)
C38(Pr.932) Terminal 4 bias command (torque/magnetic flux)
C39(Pr.932) Terminal 4 bias (torque/magnetic flux)
C40(Pr.933) Terminal 4 gain command (torque/magnetic flux)
C41(Pr.933) Terminal 4 gain (torque/magnetic flux)
Pr.
125, 126, 241, C2 (902) to C7 (905),
C12 (917) to C19 (920), C38 (932) to C41 (933)
P
r.
60Hz
Output frequency
(Hz)
Pr.125
C14(Pr.918)
0
0
Frequency setting signal
100%
10V
Initial value
Bias
Gain
05V
C2(Pr.902)
C12(Pr.917)
C3(Pr.902)
C13(Pr.917)
C4(Pr.903)
C15(Pr.918)
Output frequency
(Hz)
Pr.126
0
Frequency setting signal
100%
Initial value
Bias
Gain
0
20
4 20mA
C5
(Pr.904)
C6
(Pr.904) (Pr.905)
C7
60Hz
Calibration example of terminal 1
400
150
-150
0
0
Torque setting signal
100%
10V
Bias
05V
(-5V)
-100%
(-10V)
C18(Pr.920)
Gain
C16(Pr.919)
C17(Pr.919) C19(Pr.920)
Torque(%)
Initial value
400
150
Torque(%)
0
Torque setting signal
100%
Bias
0
20
4 20mA
C40
(Pr.933)
Gain
C38
(Pr.932)
C39(Pr.932) C41(Pr.933)
Initial value
Calibration example of terminal 4
- [Highest level of inverter] 2
- 200V class 5
- 400V class 5
- Standard Specifications 6
- Common specifications 7
- Outline Dimension Drawings 8
- Inverter Type H H1 D D1 9
- (Unit: mm) 10
- FR-A720-75K, 90K 11
- FR-A740-110K, 132K 11
- DC reactor supplied 11
- Unit: mm) 11
- FR-A740-315K, 355K 13
- FR-A740-400K, 450K, 500K 14
- Heatsink protrusion procedure 16
- Panel cutting 17
- Inverter Type D1 18
- Terminal Connection Diagram 19
- Terminal 20
- Terminal Name Description 20
- Main circuit 22
- Control circuit 22
- Torque control 23
- Position control 23
- Operation Panel (FR-DU07) 24
- Operation mode switchover 25
- Monitor/frequency setting 25
- Parameter List 26
- Terminal Connection 27
- Terminal Specification 27
- Explanation 27
- , 2 1 0 67 33
- , 9999 1 9999 67 33
- *2 9999 55 36
- 73 38
- 0, 46, 112 39
- 1, 2, 18 39
- 3, 19, 47, 113 39
- 4 to 6, 24 to 27, 232 to 239 39
- 10 to 12, 802, 850 40
- 24 to 27 42
- Output frequency (Hz) 43
- Output frequency 43
- 31 to 36 44
- 37, 144, 505, 811 44
- 41 to 43, 50, 116, 865 44
- 55, 56, 866 45
- 57, 58, 162 to 165, 299, 611 46
- 61 to 64, 292, 293 47
- 65, 67 to 69 48
- Analog input selection 49
- 73, 242, 243, 252, 253, 267 49
- 74, 822, 826, 832, 836, 849 49
- Frequency 50
- Operation mode selection 51
- 100 equals the 53
- Modbus-RTU protocol 54
- 127 to 134, 575 to 577 55
- 135 to 139, 159 55
- 150 to 153, 166, 167 55
- 160, 172 to 174 56
- 178 to 189 57
- 190 to 196 57
- 245 to 247 58
- 251, 872 58
- 255 to 259 58
- ≠ "9999") 59
- 270 to 274, 4, 5 60
- Stop-on contact control 60
- 270, 275, 276, 6 60
- Brake sequence function 61
- 278 to 285, 292 61
- 285, 853 61
- 286 to 288 62
- 291, 384 to 386 62
- 338, 339, 550, 551 62
- 359, 367 to 369 63
- 419, 464 to 494 64
- 419, 428 to 430 64
- 420, 421, 424 64
- 804 to 806 66
- 807 to 809 66
- 818, 819 66
- 840 to 848 68
- 858, 868 68
- 862, 863 69
- 882 to 886, 665 69
- 888, 889 70
- 892 to 899 70
- C0(900), C1(901) 70
- 989, CL, ALLC, Er.CL, PCPY 71
- Protective Functions 72
- Major failures 73
- Option and Peripheral Devices 74
- Stand-alone Shared 75
- Stand-alone Option 76
- Less than D 76
- Braking torque 78
- Brake unit selection table 79
- Inverter 80
- Brake unit 80
- Recommended cable size 82
- Cable Clamp MS3057-12A 83
- MCCB INV 84
- × (Ig1+Ign+lgi+Ig2+Igm) 85
- ≥ Ig × 10) 85
- Safety Precautions 86
- 0.4K 0.75K 88
- 1.5K or 88
- Leakage currents 89
- Application to Motor 90
- Output torque 91
- Motor type 92
- Dedicated motor model lineup 92
- Motor specification 93
- Dimensions table (Unit: mm) 94
- (1500r/min series) 94
- Section BB 96
- Section B 97
- (1500r/min series) 99
- Item FR-A500(L) FR-A700 101
- Warranty 102
- International FA center 103
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