Mitsubishi Electric FR-E740 - Manuals

1 1 Product checking and parts identification 1 OUTLINE 1.1 Product checking and parts identification Unpack the inverter and check the capacity plate on the front cover and the rating plate on the inverter side face to ensure thatthe product agrees with your order and the inverter is intact. z Inve...

2 Operation panel 1.2 Operation panel 1.2.1 Names and functions of the operation panel The operation panel cannot be removed from the inverter. Operation mode indicator PU: Lit to indicate PU operation mode.EXT: Lit to indicate External operation mode. (Lit at power-ON at initial setting.) NET: Lit ...

3 1 Operation panel 1.2.2 Basic operation (factory setting) STOP Operation mode switchover Parameter setting Faults history Monitor/frequency setting At power-ON (External operation mode) PU operation mode (output frequency monitor) Parameter setting mode PU Jog operation mode Output current monitor...

4 Operation panel 1.2.3 Changing the parameter setting value Changing example Change the Pr. 1 Maximum frequency setting. Operation Display 1. Screen at power-ONThe monitor display appears. 2. Press to choose the PU operation mode. PU indicator is lit. 3. Press to choose the parameter setting mode. ...

5 1 Operation panel 1.2.4 Parameter clear/all parameter clear POINT y Set "1" in Pr.CL Parameter clear, ALLC all parameter clear to initialize all parameters. (Parameters are not cleared when "1" is set in Pr. 77 Parameter write selection .) y Refer to the extended parameter list of ...

6 2 INSTALLATION AND WIRING NOTE y The life of the inverter is influenced by surrounding air temperature. The surrounding air temperature should be as low as possible within the permissible range. This must be noted especially when the inverter is installed in an enclosure. (Refer to page 8) y Wrong...

7 2 Peripheral devices 2.1 Peripheral devices Check the inverter model of the inverter you purchased. Appropriate peripheral devices must be selected according to the capacity.Refer to the following list and prepare appropriate peripheral devices. ∗1 y Select an MCCB according to the power supply ca...

8 Installation of the inverter and instructions 2.2 Installation of the inverter and instructions (1) Installation of the inverter Enclosure surface mountingRemove the front cover and wiring cover to fix the inverter to the surface. (Remove the covers in the directions of the arrows.) (2) Environmen...

9 2 Wiring 2.3 Wiring 2.3.1 Terminal connection diagram NOTE y To prevent a malfunction caused by noise, separate the signal cables more than 10cm from the power cables. Alsoseparate the main circuit wire of the input side and the output side. y After wiring, wire offcuts must not be left in the inv...

10 Wiring 2.3.2 Terminal specifications Type Terminal Symbol Terminal Name Description Ma in c ir cu it R/L1, S/L2, T/L3 * AC power input Connect to the commercial power supply. Keep these terminals open when using the high power factor converter (FR-HC) or power regeneration common converter (FR-CV...

11 2 Wiring 2.3.3 Terminal arrangement of the main circuit terminal, power supply and the motor wiring Three-phase 200V/400V class Con tr o l c irc ui t/ou tput s ign al Re la y A, B, C Relay output (fault output) 1 changeover contact output indicates that the inverter fault occurs.Fault: discontinu...

12 Wiring Single-phase 200V class Single-phase 100V class FR-E720-11K, 15K FR-E740-11K, 15K FR-E720S-0.1K to 0.4K FR-E720S-0.75K to 2.2K FR-E710W-0.1K to 0.4K FR-E710W-0.75K NOTE y Make sure the power cables are connected to the R/L1, S/L2, and T/L3. (Phase need not be matched.) Never connectthe pow...

14 Wiring The line voltage drop can be calculated by the following formula: Line voltage drop [V]= Use a larger diameter cable when the wiring distance is long or when it is desired to decrease the voltage drop (torquereduction) in the low speed range. (2) Total wiring length The overall wiring leng...

15 2 Wiring 2.3.4 Wiring of control circuit z Terminal layout z Wiring method 1) Strip off the sheath of the wire of the control circuit to wire. Strip off the sheath about the length below. If the length of the sheath peeled is too long, a short circuit may occuramong neighboring wires. If the leng...

16 Wiring (1) Control circuit common terminals (SD, 5, SE) Terminals SD, SE and 5 are common terminals for I/O signals. (All common terminals are isolated from each other.) Do notearth them. Avoid connecting the terminals SD and 5 and the terminals SE and 5.Terminal SD is a common terminal for the c...

17 2 Connection of a dedicated external brake resistor (MRS type, MYS type, FR-ABR) 2.4 Connection of a dedicated external brake resistor (MRS type, MYS type, FR-ABR) Install a dedicated brake resistor (MRS type, MYS type, FR-ABR) outside when the motor driven by the inverter is made to runby the lo...

18 PRECAUTIONS FOR USE OF THE INVERTER 3 PRECAUTIONS FOR USE OF THE INVERTER The FR-E700 series is a highly reliable product, but incorrect peripheral circuit making or operation/handling method mayshorten the product life or damage the product.Before starting operation, always recheck the following...

19 3 PRECAUTIONS FOR USE OF THE INVERTER (11) Across terminals P/+ and PR, connect only an external regenerative brake discharging resistor. Do not connect a mechanical brake.The brake resistor can not be connected to the 0.1K(SC) or 0.2K(SC). Leave terminals P/+ and PR open.Also, never short betwee...

20 FAILSAFE OF THE SYSTEM WHICH USES THE INVERTER 4 FAILSAFE OF THE SYSTEM WHICH USES THE INVERTER When a fault occurs, the inverter trips to output a fault signal. However, a fault output signal may not be output at an inverterfault occurrence when the detection circuit or output circuit fails, etc...

21 Start/stop from the operation panel (PU operation) 5 5 DRIVING THE MOTOR 5.1 Start/stop from the operation panel (PU operation) 5.1.1 Setting the frequency by the operation panel The inverter needs frequency command and start command. Frequency command (set frequency) determines the rotation spee...

22 Start/stop from the operation panel (PU operation) 5.1.2 Setting the frequency by switches (three-speed setting) (Pr. 4 to Pr. 6) POINT y Use the operation panel ( ) to give a start command. y Switch ON the RH, RM, or RL signal to give a frequency command. y Set "4" (External/PU combined ...

23 Start/stop from the operation panel (PU operation) 5 5.1.3 Setting the frequency by analog input (voltage input) POINT y Use the operation panel ( ) to give a start command. y Use the (frequency setting) potentiometer to give a frequency command. y Set "4" (External/PU combined operation ...

24 Start and stop using terminals (External operation) 5.2 Start and stop using terminals (External operation) 5.2.1 Setting the frequency by the operation panel ( Pr. 79 = 3) POINT From where is the frequency command given? y Operation at the frequency set in the frequency setting mode of the opera...

25 Start and stop using terminals (External operation) 5 5.2.2 Setting the frequency by switches (three-speed setting) (Pr. 4 to Pr. 6) POINT y Switch ON the STF (STR) signal to give a start command. y Switch ON the RH, RM, or RL signal to give a frequency command. Operation example Operation at hig...

27 Start and stop using terminals (External operation) 5 5.2.4 Operating at 60Hz or higher using the external potentiometer < How to change the maximum frequency> Changing example When you want to use 0 to 5VDC input frequency setting potentiometer to change the frequency at 5V from 60Hz (init...

28 Acquiring large starting torque and low speed torque (Advanced magnetic flux vector control, General-purpose magnetic flux vector control) (Pr. 71, Pr. 80, Pr. 81, Pr. 800) 5.3 Acquiring large starting torque and low speed torque (Advanced magnetic flux vector control, General-purpose magnetic fl...

29 Acquiring large starting torque and low speed torque (Advanced magnetic flux vector control, General-purpose magnetic flux vector control) (Pr. 71, Pr. 80, Pr. 81, Pr. 800) 5 5.3.1 Selection method of Advanced magnetic flux vector control Perform secure wiring. (Refer to page 9) Set the motor. (P...

31 ENERGY SAVING OPERATION FOR FANS AND PUMPS 6 6 ENERGY SAVING OPERATION FOR FANS AND PUMPS Set the following functions to perform energy saving operation for fans and pumps. (1) Load pattern selection (Pr. 14) Select the optimum output characteristic (V/F characteristic) that is suitable for theap...

32 Simple mode parameters 7 PARAMETERS Simple variable-speed operation can be performed with the inverter in the initial settings. Set the required parametersaccording to the load and operating conditions. Use the operation panel to set or change a parameter. (Refer to Chapter 4 of the Instruction M...

33 7 Parameter list 7.2 Parameter list REMARKS y  indicates simple mode parameters. (initially set to extended mode) y The parameters surrounded by a black border in the table allow its setting to be changed during operation even if "0" (initialvalue) is set in Pr. 77 Parameter write select...

37 Reset method of protective function 8 8 TROUBLESHOOTING When a fault occurs in the inverter, the inverter trips and the PU display automatically changes to one of the following fault oralarm indications.If the fault does not correspond to any of the following faults or if you have any other probl...

38 List of fault displays 8.2 List of fault displays When a fault occurs in the inverter, the inverter trips and the PU display automatically changes to one of the following fault oralarm indications.The error message shows an operational error. The inverter output is not shut off.Warnings are messa...

41 Check first when you have a trouble 8 8.3 Check first when you have a trouble * For further information on troubleshooting, refer to the Instruction Manual (Applied) . Description Countermeasure Motor does not start. Check start and frequency command sources and enter a start command (STF, etc.) ...

42 Inspection items 9 PRECAUTIONS FOR MAINTENANCE AND INSPECTION The inverter is a static unit mainly consisting of semiconductor devices. Daily inspection must be performed to prevent anyfault from occurring due to the adverse effects of the operating environment, such as temperature, humidity, dus...

43 Replacement of parts 9 9.2 Replacement of parts The inverter consists of many electronic parts such as semiconductor devices.The following parts may deteriorate with age because of their structures or physical characteristics, leading to reducedperformance or fault of the inverter. For preventive...

44 Rating 10 SPECIFICATIONS 10.1 Rating z Three-phase 200V power supply z Three-phase 400V power supply z Single-phase 200V power supply Model FR-E720- … K 0.1 0.2 0.4 0.75 1.5 2.2 3.7 5.5 7.5 11 15 Applicable motor capacity (kW) ∗1 0.1 0.2 0.4 0.75 1.5 2.2 3.7 5.5 7.5 11 15 Ou tp ut Rated capacity ...

45 Common specifications 10 z Single-phase 100V power supply ∗1 The applicable motor capacity indicated is the maximum capacity applicable for use of the Mitsubishi 4-pole standard motor. ∗2 The rated output capacity assumes the following output voltages: 230V for three-phase 200V/single-phase 200V/...

46 Outline dimension drawings 10.3 Outline dimension drawings • Three-phase 200V class • Three-phase 400V class • Single-phase 200V class • Single-phase 100V class (Unit:mm) Inverter Type W W1 H H1 D D1 FR-E720-0.1K 68 56 128 118 80.5 95.6 FR-E720-0.2KFR-E720-0.4K 112.5 127.6 FR-E720-0.75K 132.5 147...

47 APPENDIX The EU Directives are issued to standardize different national regulations of the EU Member States and to facilitate freemovement of the equipment, whose safety is ensured, in the EU territory.Since 1996, compliance with the EMC Directive that is one of the EU Directives has been legally...

49 ∗ Select a UL and cUL certified fuse with Class T fuse equivalent cut-off speed or faster with the appropriate rating forbranch circuit protection, or a UL489 molded case circuit breaker (MCCB) in accordance with the table below. ∗ Maximum allowable rating by US National Electrical Code.Exact siz...

50 (Standard to comply with: UL 508C, CSA C22.2 No. 14) 1. General Precaution The bus capacitor discharge time is 10 minutes. Before starting wiring or inspection, switch power off, wait for more than 10 minutes, and check for residual voltage between terminal P/+ and N/- with a meter etc., to avoid...

53 REVISIONS *The manual number is given on the bottom left of the back cover. For Maximum Safety • Mitsubishi inverters are not designed or manufactured to be used in equipment or systems in situations that can affect or endanger human life. • When considering this product for operation in special ...

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