Mitsubishi Electric Freqrol Z024-UL Instruction Manual

MITSUBISHI VVVF TRANSISTOR INVERTER - INSTRUCTION MANUAL - 0 MlTSUBlSHl A ELECTRIC .- .

~~ Inverter r ( /’ Frequency reference potentiometer (voltage signal) Pr.20 (> 10 2 (0-5Vor0-10 V) common ,. 5 Frequency reference signal (current

-/ OUTPUT SIGNAL THRESHOLD LEVEL SETTlNd I When output frequency reaches the operation frequency, an output frequency value that shifts the

-1 SETTING AND ADJUSTMENT OF OUTPUT SIGNAL FOR MONITORING I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . .

4 SETTING AND ADJUSTMENT OF OUTPUT SIONAL FOR MONlTORlNQ I Frequency meter Frequency meter connected to the inverter can be calibrated, withou

SETTING BIAS AND QAlN FOR FREQUENCY REFERENCE SIQNAL The user can set any level of output frequency for frequency (ramp) reference signal (0-

4 ADJUSTMENT OF TONE OF MOTOR SOUND I Set value Characteristics of tone of motor sound Constant tone irrespective of output frequency Monotone /jl(i

SETTINQ RETRY FUNCTION I Set value 0 No retry function (factory setting) Set value 1 I Retry is made at occurrence of regenerative overvoltage shut-of

Wait time for restart after the occurrence of the inverter alarm can be set. Reading this parameter provides the accumulative number of restarts

Instead of the frequency (Ht), the Set value 0 monitoring display can be changed to the motor speed (rpm), load shaft speed, line speed (m/min),

14. MAINTENANCE AND INSPECTION The general purpose inverter is a piece of equipment consisting mainly of semiconductor elements. To prevent tro

~~~ ~ Insulation Resistance Test with Continuity tester (Power must be turned off) (a) Before checking insulation resistance of the external

2. Operation of the Parameter Unit When Using the Output shutoff Function When using the parameter unit in the external signal operation mode, pressi

rl Replacement of Parts The inverter is assembled using many electronic components such as semiconductor elements. From their physical properties, it

As a quantitative method, if measured static capacity is 85% of the rated capacity, the capacitor should be replaced. Equipment for measuring capacit

METHOD OF MEASURING MAIN CIRCUIT VOLTAGE, CURRENT, AND POWER Voltage and Current Measurements Since the inverter input, output voltage and current inc

Table 2. Measurlng Polnts and Instruments Line voltage Input current Input power Vl I1 P1 power factor Pfl Item I mawring Point I lnrtwmsnt I Remark (

Item I Measuring Point I Instrument I Remark (Crlterlon) Frequency reference signal Across 2 and 5 Moving coil type (multim- Across 4 and 5 tance50k o

15. TROUBLESHOOTING Display OC1: Acceleration overcurrent '1 OC2: Constant speed overcurrent '1 If a fault occurs and the inverter does not

I DIsplay Checkup I Remedy I Longlasting action of stall prevention function OLT: Stall prevention I I BE: E;lak!ransistor The brake transistor is d

Problems and Check Polnts Problem Motor does not start Checkups (1) Check the main circuit. ' Is power applied? (Is the POWER lamp lit?) * Is mo

Problem Motor rotates in the wrong direction Motor speed is too high or low with re- gard to the set fre- quency Motor acceleration or deceleration i

16. SPECIFICATIONS Model FR-2024 Applicable motor capacity HP (kW) '1 0.1K 0.2K 0.4K 0.75K 1.5K 2.2K 3.7K 1/8(0.1) 1/4(0.2) 1/2(0.4) l(0.

To select the PU operation mode: First, break connection between terminals MRS and SD, then press the PU OP key. Note: When the operator has changed

Notes : '1. '2. *3. '4. '5. The listed values are the maximum applicable capacity for a standard squirrel-cage type motor (4P). In

Common Specifications Control method Output frequency Digital input Analog input Frequency resolution I h Sinusoidal PWM control system 0.5 to 360 Hz

Opera- tional specifica- tions Frequency reference signal Start signal 0 to 5 VDC, 0 to 10 VDC, 4 to20 mA Forward and reverse rotation can be individu

Display I LED disolav I Power on (POWER). actuated Drotective function (ALARM) Operation Output frequency, motor current '8, setting frequency,

*e, Magnitude of braking torque is not continuous regenerative torque, but shown as the average deceleration torque (which varies according to motor

r---. Block Dlagram ; - L .R. t - ;Brake resister '1 !(option) Forward rotation Reverse rotation Multi speed(high speed) Output shutofVSecond aoc

Main circuit R.S.T u.v.w Control circuit (input signal) - AC power supply input terminals Connected commercial power Of 2oo- 230 V, 50/60 Hz Connecte

Control circuit (input signal) Symbol Terminal name Deacrlptlon I I Inverter outDut is shut off bv short-circuitina terminals MRS and Output shutoff

RUN 1 SUFU Control circuit (output signals) SE FM Terminal name Error alarm output terminal Operating status output terminals Open collector common te

Note : ' With these terminals, select required specification from two types of Input specifications for use. - The selection is made from the p

2. Block Diagram and Description Front cover To remove the front cover, press the latch and ease the cover forward. Name plate The name plate shows t

Protectlve Functlonr The inverter has the following protective function built in it to protect itself. If a protective function is activated, inverte

Function Ixternai thermal relay signal input (‘2) Brake transistor fault detection (‘3) Stall prevention Memory Error Descrlptlon ~~ ~~ When an exter

Notes : '1. By resetting the inverter, the electronic thermal relay is initialized. '2. This function is effective only when 'external

17. DIMENSIONS EXTERNAL DIMENSIONS 2-$5 hole Wiring clearance ... With j parameter i unit With parametel unit 14 - h I .-u- I.

Inverter modes FR-2024-0.1 K FR-Z024-0.2K A AA C F K 105 93 66 31 4 105 93 66 31 4 FR-Z024-0.4K FR-2024-0.75K I FR-2024-3.7K I 200 I 188 I 126 I

PARAMETER UNIT 70 I 4 I k t 1 0 (Y L4 Unit:mm c - 129 -

Item Ambient temperature /- I Ambient humidity I Less than 90% RH I To be free from condensation I Doecriptlon Operating temperature -I 0-+5OoC Storag

~~~~~~ ~~~ Connectlon Cable (option) FR-CBLO1 FR-CBL03 2-+3.5 Inverter end Parameter unit end 1 3 243.5 - I--- - L S Inverter end Parameter unit end

1, 8, , , -- P I- 1 72 -7 FR-2024-0.4K FR-2024-0.75K FR-2024-1.5K I I1 - MRS 120 W 200 MRS 120 W 100 MRS 12OW 60 3% Round head crimb-stvle FR-Z024-2.2

18. SELECTION OF PERIPHERAL DEVICES F R-2024-0.75K FR-2024-1.5K FR-2024-2.2K FR-2024-3.7K NON-20 (BUSS) K5 20 NF30 IOA SKI8 S-K21 S-K21 NONJO(Buss)

2. Block Diagram and Description 0.1 K to 3.7K Model Size Inverter capacity is shown in kW. FR-2024- 3.7K T I Applicable motor caeacltv Symbol -8-

,- Notes : 1. Select MCCB model according to the power supply Installation range for power factor improvihg capacity. AC reactor 2. Motor cable size

NFB FR-BAL -c- ' If the inverter is connected close to a large capacity power Inverter RU transformer (capacity: 500 kVA or larger, wiring dista

inverter CrPaCkY (K) 0.1 Short-Duration Rqenemtive Braking Torque (%) Boost Factory Sating ~(Hz) I lO(Hz) I 2O(Hz) I 30(Hz) I 40(Hz) I sO(Hz) I 60(Hz)

With MRS External Brake Resistor (Option) -- inverter Capacity (K) Brake Resirtor Short-Duration Regenerative Bnklng Torque (%) Boo& Factow Setti

'nve17er mode' FR7024-0.1K Main circuit 14.6 47387 Control circuit I 7.3 321017 32959 1 46121 FR-ZO24-2.2K Wire size Crimping terminelarl

Inverter wlth the Front Cover Removed I 1 Power indicator I lam0 (POWER) The parameter unit or connection cable is connected through this Lights up wh

How to Remove the Front Cover While pressing the removal latch(s) at the top of the front cover, ease the cover forward to remove it. To attach the

3. PreDaration before Operation 1. Unpacking and Checking the Product After unpackina the inverter, check the rating plate at-the right side

stallation location, installation direction, and surrounding space so as not to cause a re- duction in the inverter service life or perfor- mance

Introduction Thank you for your purchase of MiBubishi Micro-Inverter FREQROL-2024-UL. Before operating the inverter, read this manual carefully. Pl

Mode Connection Example Notes External signal opemtlon Inverter ! PU i I. A start signal and a fre- quency reference signal are required to run the in

Permissive ambient temperature:-1 0 to +5OoC Location with explosive gases. Measuring points of the ambient temperature. / 0 . / / / / / / / 10 mm (11

6. WIRING Wlrlng When wiring the inverter, pay attention to the following points so as to avoid miswiring or misuse. - Wiring (1) Do not connect power

- Check the Following Design Details Interlock (1) In addition to paying attention to miswiring, check the commercial power source selector cir

I h (6) If you connect an open collector output such as a sequencer directly to the inverter input r---.-l ProtectivT--;-q terminal, make sure th

Wlrlng of Power Supply and Motor Terminal block ' Power supply The Dower su~~lv must be connected to R. S. and T. Never connect'it-to U, V,

h Notes: 1. Terminal block Terminal arrangement ... as shown on the previous page. Screw size ... M3.5 screws (FR-Z024-0.1 K to 1.5 K), M4 screw (

_~_ ~- Wlrlng for Control Clrcult Frequency meter This resistor is not required when meter is calibrated with the parameter unit Parameter C1 1K 2W -F

Notes: 1. Terminal block Terminal arrangement ... as shown in the above illustration (two-row). Screw size ... M3 screws controlled via the param

CONTENTS Instructions h 1 . Precautions ... 1 2 . B

FOR USE WITH SINGLE-PHASE POWER SUPPLY , .*_ When the inverter is used with the single-phase power input, the ripple current of the capacitor Increase

Notes on Use wlth Slngle-Phase Power Supply (1) The single-phase power supply must be connected to the power supply side terminals R and S * of the i

7. PRE-OPERATION SETTINGS DC 0-10 V Principal parameters and descriptions are as follows. Set these parameters according to operational requir

Parametem Maximum output frequency Maximum frequency Minimum frequency Deecrlptlon Set this parameter when you operate the inverter with a value other

Electronic thermal relay Acceleration/ Deceleration time Descrlption Set the relay in accordance with the rated current at the base speed of the moto

In order to monitor the output status accurately, calibrate the frequency meter before operation. Use of the parameter unit allows precise adjustment.

8. OPERATION Check Points before Swltchlng Power On e Check that the power lines are connected to terminals R, S, T. Also check that terminals are tig

- Operation with External Signals Example of setting frequency with a voltage signal Acceleration Constant 4 speed I Switch power on. I (The power ind

- Operation with the Parameter Unit Using the parameter unit. Switch power on. (The power indicator lamp is lit.) I Selecting the PU operation mode P

Notes: 1. 2. 3. 4. The inverter will not start if both forward and reverse rotation switches are turned on. If both switches are turned on during oper

12 . Operation ... 43 Selecting operation mode .

Using both External Signals and PU Operatlon The 2024 inverter permits use of both external signal and PU operations. The details are as follows: The

- The start and multi-speed selection signals are externally controlled, while setting of multi- speed is done by using the PU. When the inverter is s

The output frequency is controlled externally, while start/stop is controlled using.the PU. 1. To select this configuration, first, set parameter numb

In-operation Check Points that the motor rotates in the correct direction. Check that the motor does not generate unusual noises or vibration. . Check

9. How to Use the Parameter Unit Parameter unit, model FR-PUOI, is attached to the inverter (FR-Z series), or connected to the inverter with the cab

A Frequency, motor DISPLAY(READ0UT) control variables, alarm message, etc. are displayed by this 7-seg- ment 4-digit readout. 2nd or 3rd group functi

10. INSTALLATION The PU can be attached directly to the inverter, or connected to the inverter with the approved cable for remb,te+in#aH$tion~on an e

Remote lnstallatlon Uslng the Approved Cable Connector In addition to attaching PU to the inverter, it is possible to install it to an enclosure or to

11. OUTLINE OF FUNCTIONS Monitoring Operation status and alarm mes- sage can be monitored. Output frequency Direction of motor rotation Motor current

12. OPERATION Selecting Operation Mode How to Select Operation Mode: 1. Operating the Inverter with External Signals (External Signal Operation) When

Handling Instructions I BUR . Improper use and operation may cause malfunction of the inverter or considerable reduction in service life. In an ex

Press the PU key. ul Press the key. I 1 How to Set Operation Mode It is possible to set only one mode of operation using either external s

Note: 1. Caution at changing operation mode Operation mode cannot be changed when the start signal is on (STF-SD or STR-SD is closed). In th

OPERATING THE MOTOR WITH THE PARAMETER UNIT The operator can startlstop the motor with PU, without any external frequency reference potent

Note: Be sure to press them key when desired frequency is set, otherwise the set frequency is not u stored. The motor starts and runs only while th

To return to external signal operation, press the stopped. (If the external signal operation cannot be selected, see page 69 and 70.) key, then

* Example where speed is changed during operation (from 60 Hz to 30 Hz): Note: Direct setting of output frequency is impossible while the MONITOR

Notes: 1. The JOG mode cannot be selected while the motor is in operation. Press the key to stop the motor, then select the JOG mode. 2. To ca

SETTINGS OF CONTROL VARIABLES (PARAMETERS) The inverter has a variety of control functions. It is possible to choose individual parameters to alter o

(2) Setting of 2nd functions (parameter numbers lo-) ... These are used in advanced applications. (3) Setting of 3rd functions ... Calibra

Examples of Operatlon (1) Setting of 1st Function (acceleration time setting) ... To change from 5 sec. to 10 sec. Key Indi- cation h Write Solsott

Handling Instructions A til installation Location The service life of the inverter depends on ambient temperature. Ambient temperature should be as lo

(2) Setting of 2nd function (frequency reference for JOG operation) ... To change from 5 Hz to 10 Hz: /-. Setting of 2nd funct'on Write Of Read

MONITOR Output frequency Output current Conditions of load such as output frequency and motor power, and information about activated protec

Readout (7-segment 4-digit LED) \ Variable indicator lamps Control variable to be monitored is /- indicated. All lamps are turned off when alarm infor

lndlcator Lamp in the MONITOR Mode In this manual, the variable indicator lamps are described in the following layout. ;e: is a "lit" lamp,

Example of Operation * Output frequency, motor current (constant), alarm condition (checking) - Output frequency I (60 Hz) Motor current c 0 HZ ov A /

Notes : 1. To erase an alarm code: With an alarm code displayed, press the @ key, the displayed code will be erased from memory, and the next c

Alarm Dlsplay If failure occurs during operation of the inverter, an alarm code is automatically displayed on the PU readout as follows (See page 124

Dlaplry /: I7 /-I I- 1- 1-1 I I / 1: 1-1 I I- Stall prevention function was activated during constant-speed operation and stopped the I 1- 1-1 1- I C

Characters Appearlng In Readout The alphanumeric which appear in the readout are listed below. Letter Dlsplay - 62 - I

~~~~~~~~~~ It is possible to reset (initialize) control variables to those set when the inverter is supplied except for some parameters. This procedu

1. PRECAUTIONS Use the Inverter wlthln the allowable ambient temperature range. The service life of the inverter depends on ambient temperatu

FREQUENCY METER CALIBRATION It is possible to calibrate any frequency meter connected to the frequency meter connection terminals, FM and SD on the

Operatlng Procedure 1. Operate PU to set the frequency for meter full- scale reading. (*) 2. Select the meter calibration mode. 3. Calibrate the mete

ADJUSTING BIAS AND GAIN FOR FREQUENCY REFERENCE SIGNAL , -. Using 'bias' and 'gain', the operator can adjust the relation

Example of Adjustment - Bias setting for frequency reference voltage ... when the reference voltage is 0 V, the output frequency will be 1

Note: Setting should be made with voltage across the frequency reference input terminals 2 and 5 using 5 V (or 10 V) or with input lines disconne

CAUTIONS FOR PU OPERATION Pay attention to the following points so as to avoid incorrect setting or entry of a wrong value during PU operation. Ope

Opmtlon Writing values Writing values Ceutlonr 1. Writing is effective only when PU is in the PU Operation mode, accordingly, it is ineffective in the

Operation I Cautlonr Reading values Monitor 1. It is possible to read the set values for the 1st and 2nd functions in both PU and external Operation m

13. DETAILS OF EACH PARAMETER PARAMETER LIST -72- I'

Parameter No. initial eettttlng page: Parameter Setting range 1 18 I High-speedmaximum frequency 1 120-360Hz I 120Hz 1 78 16 17 I 19 I Base frequency

0N.OFFI oN’oFF+.,ON.OFF! Do not use the magnetic contactor at the power supply side to start or stop the motor (or the inverter). ~ Repeated magnetic

Parameter No. 43 Parameter Setting range lnltlal setting Refer to page: Output frequency detection 0.5-360 HZ 6 Hz 44 -74- 94 0.5-360 Hz, 9999 99

I ParameterNo. I 73 74 Parameter 5 V/10 V input selection 0, 1 0 77 Current input selection 0% 1 0 92 I Setting range 1 initial setting I 2nd function

Notes : 1. 2. 3. 4. Set values differ depending on inverter capacity. For parameters marked with a star, it is possible to change set values during op

SELECTING FREQUENCY REFERENCE SIQNAL (5 VHO V) Set value 1 It is possible to switch the input (terminal 2) specification according to the frequency

MAXIMUM OUTPUT FREQUENCY SETTINO t It is possible to set frequency for a VDC) or 20 mA from external equipment. E. fml ------------ 0 fm2 ----

SETTINO THE FREQUENCY LIMIT FUNCTION Max. limit frequency Output frequency can be changed to desired maximum andlor minimum frequency. Min. limit

,r -. When using Mitsubishi “constant torque motor“ that is exclusive for the inverter drive, it is possible to set electronic thermal

4 ACCELERATlON/DECELERATION TIME SETTING I The acceleration/deceleration time can be set to 0.04 sec. s or within a broad range from 0.1 sec.

4 SELECTING ACCELERA~~ Set value 0 [Linear acceleration/ deceleration] (Initial Setting) Set value 1 [S-shape acceleration/ deceleration A] Set value

-/ OPERATION MODE SELECTION (EXTERNAL SIQNAL OR PU OPERATION) 1- i The external signal and parameter unit operation modes are available for

PRECAUTIONS ON USE Parsmetar number 20 39 Carefully read the entire instruction manual. Panmeter name Frequency for 5 V input Frequency for 20 rnA inp

SETTING FREQUENCY FOR THE MOTOR RATED TORQUE (BASE FREQUENCY) The base frequency (reference frequency at rated motor torque) can be set in accordan

MOTOR TORQUE ADJUSTMENT (TORQUE BOOST) Motor torque in the low-frequency range can be adjusted to motor load. Note: If the set value is excess

4 SETTINQ APPLICABLE LOAD 1 sa value 0 It is possible to select output characteristics (V/F characteristics) that are optimum for the appli

(initial setting) lset vaiue 10 I For constant torque load (conveyor, carriage, etc.) Set value 2 or 12 ...Wo boost setting only at 0 reverse rotatio

When a small-capacity motor (when compared with capacity of E inverter) is driven by a large-capacity inverter, overload g (excessively la

DC DYNAMIC BRAKE ADJUSTMENT Operating frequency setting range Time k Time Operating time Accuracy of the stop position can be adjusted by set

SETTING FOR JOG OPERATION 1 Use of the parameter unit permits JOG operation. JOG operation by external signal operation is not available. JOG accel

4 MULTI-SPEED OUTPUT FREQUENCY SETTING I 1 I By changing the external contact signal, each speed can be selected (across terminals 3 RH-SD,

4 SETTING INPUT SIGNAL FUNCTION I Set value , It is possible to operate the inverter using frequency reference current signal (4 to 20 mA DC). To do

4 SELECTING OUTPUT SIGNAL FUNCTION I Any one of "in-operation", "up-to-frequency", and "frequency detection" can