Mitsubishi Electric Freqrol Z024-UL Instruction Manual

MITSUBISHI

VVVF TRANSISTOR INVERTER

-

INSTRUCTION MANUAL

-

0

MlTSUBlSHl

A

ELECTRIC

.- .

Introduction

Thank you for your purchase of MiBubishi Micro-Inverter

FREQROL-2024-UL.

Before operating the inverter, read this manual carefully. Please deliver

this

instruction manual

to

the

actual

user

of

the inverter.

CONTENTS

Instructions

1

.

Precautions

......................................................................................................

1

2

.

Block Diagram and Description

......................................................................

7

3

.

Preparation before Operation

.........................................................................

11

4 . Apparatus and Components

to

be Prepared before Operation

....................

13

5

.

Installation

.......................................................................................................

15

6

.

Wiring

...............................................................................................................

17

7

.

Pre-Operation Settings

...................................................................................

26

8

.

Operation

.........................................................................................................

30

9

.

Using the Parameter Unit

...............................................................................

38

10

.

Parameter Unit Installation

.............................................................................

40

11 . Outline

of

Parameter Unit Functions

..............................................................

42

12

.

Operation

.........................................................................................................

43

Selecting operation mode

...............................................................................

43

Operating the motor with the parameter unit

.................................................

46

Settings

of

control variables (Parameters)

....................................................

51

Monitor

.............................................................................................................

55

Frequency meter calibration

...........................................................................

64

Adjusting bias and gain for frequency reference signal

................................

66

Cautions for

PU

operation

..............................................................................

69

13

.

Details

of

Each Parameter

..............................................................................

72

14 .

Maintenance and Inspection

...........................................................................

102

15

.

Troubleshooting

..............................................................................................

109

16 . Specifications

................................................................................................

113

17

.

DIMENSIONS

..................................................................................................

127

18

.

Selection of Peripheral Devices

.....................................................................

133

I

Handling Instructions

I

BUR

.

Improper use and operation may cause malfunction of the inverter

or

considerable reduction in service

life. In an extreme case, the inverter might be damaged. Handle the unit correctly, following

-'

descriptions and notes in each section

of

this manual.

P.113

Power Supply Speclflcatlon

Use

the

inverter within

its

allowable power supply range.

Power supply

~ ~~

Instructlons

I

Refer

to:

I

Fuses

Circuit

Breaker

Magnetic

contactor

(MC)

I

Power factor

improving

AC

reactor

(FR-BAL)

Ill

lnstallatlon

of

Reactor

For power factor improvement, or when installing the wiring distance of

10

m

or

shorter,

use

of a reactor

is

recommended. Choose a reactor according

to

the

inverter

model and size.

Ill

Handling Instructions

A

til

installation Location

The service life

of

the inverter depends

on

ambient

temperature. Ambient temperature should

be

as low as

possible,

so

that the allowable range may

not

be exceeded. When housing the inverter in an enclosure, this point should be considered.

Wirlng

Miswiring might cause damage

to

the inverter. Keep a sufficient distance between the control signal lines and the main circuit

so

as

not

to

cause

noise

interference.

p.9,,

5,,6

P.9,20

designed)

to

the

output.

Use

of

such equipment may cause damage

to

either inverter or the

Grounding

Motor

Ground the motor securely

1.

PRECAUTIONS

Use

the Inverter wlthln the allowable ambient temperature range.

The service life of the inverter depends on ambient temperature. Ambient temperature should be as low as possible, such that the allowable range is not exceeded. Care should be taken for installation direction and the environment.

(See page

1516.)

--

FREQROL

Do

not perform Inverter contlnulty test.

When measuring isolation resistance

of

power line or motor, disconnect

Motor

connections

to

the inverter

or

short-circuit across terminals as follows.Pow

Do

not perform a continuity test on the control circuit.

Conlinuily Continuity tester tester

If

power

voltage

Is

applied to the output circuit

of

the Inverter, it will

be damaged.

damaged. Check to ensure that wiring and operation sequence (such as

If

the power voltage is applied to terminals

U,

V,

W,

the inverter will be

commercial power source selector circuit) are correct.

Do

not supply a

voltage exceeding the allowable voltage range.

-1-

I.

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 contactor switching for startktop may cause

supply

Po~~~n

Magnetic

inverter failure.

contactor

A

The inverter has dangerous high voltage circuits. When checking indicator (commonly used as an electric charge indicator) is off.

Do

not connect a power capacltor

or

surge suppressor on the

(MC)

Do

not access the inside

of

the inverter during operatlon.

Power indicator lamp

the inverter, disconnect the power supply and ensure that the power

\ /

/\

charge

exisIs.

When

the

indicator

output circuit

of

the inverter.

I

Such installation might cause inverter trip or damage to the capacitor or surge suppressor.

If

such a device is connected,

remove it.

The inverter output and input circuits (main circuits) contain high frequency harmonics that may cause interference with communication equipment

(AM

radios).

If

so,

use of a noise filter FR-BIF (only for input circuit) or a line noise filter FR-BLF help to reduce the effects of noise. Please contact your mitsubishi supplier for additional information.

r

About Radio Nolse

I

M

PORT ANT

COVER

Power must be removed for at least 3 minutes, before removing any covers. Removal

of

any covers exposes the operator to live terminals.

Please ensure power supply is removed.

-2-

PRECAUTIONS ON USE

Parsmetar number

20

39

Carefully read the entire instruction manual.

Panmeter name

Frequency

for

5

V

input

Frequency

for

20

rnA

input

Control varlabie at shipment

‘60.5-63

HZ

.

1.

These parameters refer to maximum frequency when the Inverter is supplied.

When the inverter is supplied, the inverter output frequency is 60 Hz when the external frequency

reference signal is DC

5

V

(1OV)

or

20

mA.

However, parameters (see below) that set the

maximum output frequency have a set value over

60

Hz.

‘

The parameter at shipment

(60

Hz) that appears

on

pages 69,70 and 71 of this instruction

manual should be interpreted to

be

the above.

Note:

To

adjust the relationship between the frequency reference signal and output frequency, follow the

setting procedures described on page

29

of this instruction manual.

-3-

~~

Inverter

r

(

/’

Frequency reference potentiometer

(voltage signal) Pr.20

(>

10

2

(0-5Vor0-10

V)

common

,.

5

Frequency reference signal

(current signal) Pr.39

(

/’

(>

10

2

(0-5Vor0-10

V)

common

,.

5

-b4

(4-20mA)

-4-

I

2.

Operation of the Parameter Unit When

Using

the Output shutoff Function

When using the parameter unit in the external signal operation mode, pressing the

PU OP

key on

the parameter unit

cannot

select the

PU

operation mode

if

the output shutoff signal (MRS

terminal) and start signal (STF or STR terminal) are in the following conditions.

1.

After the operator turned the output shutoff signal

ON

while the start signal was

ON,

the oper-

ator has turned off the start signal alone.

Start sianal

.....

I

1

OFF

across terminals STF (STR) and

SD

OutDut shutoff sianal

.....

'across terminals MRS and

SD

In

2.

In the condition that the output shutoff signal alone was

ON,

the operator turned the start sig-

nal from

ON

to OFF.

EF

Start signal

.....

Output shutoff signal

.....

across terminals STF (STR) and

SD

across terminals MRS and

SD

-5-

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 the function of terminal

MRS

from ’output shutoff’ to ’second

3.

Attachlng the Front Cover

accelerationldeceleration

time selection’, it is possible to select the

PU

operation mode on the

condition that the start signal is

OFF.

When

attaching the front cover, locate the lower lugs first, into the main cover.

Bring the upper part

of

front cover to the main cover and press firmly.

it will “click” when in the correct position.

-6-

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

type

of

series and

capacity

in

kW

(See

next page.)

k.

Front cover

Remove this cover

to

expose the terminal block.

Power

be

removed.

/

mounted

in

its place

w

Mounting

hole

(four positions)

The inverter type, capacity, etc. are on the rating plate.

supvlied. an accessory cover

is

-7-

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-

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 when power is supplied. (Commonly used for indicating capacitor charge.)

11

Lights up when the protective circuit is activated.

connector.

Signals such as the start and frequency reference signals are transmitted through connections to this terminal block.

Terminal block for

power supply and (page

20)

motor

J

The

input power source and

motor are connected to this

front cover

1

(two

positions)

-9-

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 front cover, insert the lugs (two positions) at the bottom

of

of the front cover into

the sockets at the chassis bottom and press the cover against the chassis.

\

Press the latch

(8)

Ease the cover

Front cover

b

Chassis

Lug

(two

positions)

Do

not remove the chassis from the body or the inverter will be

damaged.

-10-

I

3.

PreDaration before Operation

1.

Unpacking and Checking the Product After unpackina the inverter, check the

rating plate at-the right side of the in-

verter to make sure that the model and

rating meet your order.

Also

check that

the inverter has not been damaged.

.

Accessories, Instruction Manual

n

2.

Preparation of Apparatus and Components Needed for Operation

Apparatus and Components

to

be prepared differ depending on how you operate the inverter. Prepare necessary components referring

to

operation meth-

ods on page

13.

(Next page)

Applicable

motor

capacity

1-

INVERTER

Type

MlTSUBlSHl

7

MODEL

FR-2024-0.75K-UL

Input

POWER

1

HP

AC

INPUT

3HP 2OOV-230V

50/60Hz

OUTPUT

5A max 200-230V

SERIAL

0151

TC100A08

1051

output

ratina

1

AMITSUBISHI

ELECTRIC

CORPORATION

MADE

IN

JAP~N

I3

-11

-

stallation location, installation direction, and surrounding space

so

as not

to

cause a re-

duction in the inverter service life or perfor-

mance.

~~ ~

4.

Wiring Connect the power source, motor, and oper-

ation signal (control signals)

to

the terminal

block. Improper wiring may cause damage

to

the inverter.

-12-

Mode

Connection

Example

Notes

External signal opemtlon

Inverter

!

PU

i

I.

A

start signal and a frequency reference signal are required

to

run the inverter.

2.

Connection of the parameter unit allows for

PU

opera-

tion, as well.

PU

opsrrtlon

Inverter

FR-Z024

Parameter

unit

r"":

:q

p"

.I ,I

L.--..l

I.

See

page

30

for parameter

unit operating procedures.

?.

When

the

inverter is

shipped, factory settings

allow external signal operations. For PU operation only set

parameter

79

to

2.

Common

use of

external end

PU

oparatlon

Inverter

I I

FR

-2024

El

Start

switch

When using both operation modes, setting is as follows:

I

Ex;;d

I

Exteel

I

PU

1

Note: Selection of operation

External

mode A or 0 is made by setting parameter number

79.

Note:

The

parameter

unit

is

abbreviated

as

'PU'.

-14-

I

Permissive ambient temperature:-1 0 to

+5OoC

Location with explosive gases.

Measuring points

of

the ambient temperature.

/

0

.

/ /

/ / / / /

10

mm

(112

or more

tTv

Q9

Measuring point

On surface of flammable material such as

wood.

or more

0

0 0

0

/

-0

10

mm

(112

inch)

or

more

inchc-

I

,oo

mm

(4

inch)

’

Show Inverter outline

-

16-

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 supply to the output terminals (u,v,w), because such miswiring causes dam-

aae to the inverter.

(2)

Connect nothing across terminals P and

PR

except

the discharging resistor for increased braking

(option). Never short-circuit these terminals.

(3)

Use sleeved, shoulderless terminals for the terminals for power supply and motor.

(4)

Common terminals

SD,

5,

and

SE

on the control circuit terminal block are insulated from each

other.

Do

not

ground

these

termlnals.

(5)

Use shielded or twisted cables for wires connecting the control circuit terminals, and keep suffi-

cient distance from the main or high voltage circuits (e.g.,

200

V

relay sequence circuit).

(6)

When wiring, temporarily cover the vents on top of the inverter,

to

prevent pieces of wire from en-

tering the inverter.

(7)

When doing work such as rearrangement

of

wiring after operating the inverter, make sure that the

power indicator lamp is extinguished and at least two minutes has elapsed before working on the inverter.

-

17-

h

-

Check the Following Design Details

Interlock

(1)

In addition

to

paying attention

to

miswiring, check the commercial power source selector circuit shown In the figure on the right.

If

unde-

sirable application

of

power voltage occurs

aged. Ensure electrical and mechanical interlock of MC

1

and

2.

(2)

At

power failure, retaining the start signal (start switch)

ON

automatically starts the inverter when

Power

supply

W

through such a circuit, the inverter will be dam-

Undesirable power

(3)

Input signals

to

the control circuit are at

low

level.

If

these signals are input through contacts, use

two units of contact for at low level signals or use twin contacts in order

to

prevent defective con-

tacting.

(4)

Do

not apply a voltage

to

contact input terminals (e.g.,

STF)

of

the control circuit.

(5)

Do not apply voltage directly

to

the alarm output terminals (B,C) without a relay coil or lamp.

(Continued on next page)

-18-

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

that

undesirable current

diode

,

n

may not be generated.

e

Measures

(1)

Insert a diode for preventing undesirable

coupler

current.

(2)

Use an independent output unit.

(example:

AY40A,

etc.

)

uv

MELSEC

L..,..

Sequencer

MELSEC-A

Inverter

-19-

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,

and W, or the inverter will be

me sequence, is not important.)

Connect the motor to

U,

V,

and W. With wires connected as shown in the above illustration, turning on the forward rotation switch (signal) will

rotate the motor counterclockwise viewed from the loading shaft side.

Discharge resistor for brake (option)

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 (FR-Z024-2.2

K,

3.7

K)

Terminal specification

.....

see description of terminal specification (page 120).

2.

Using wire

size

See Selection

of

Peripheral Devices (page 133).

3. The shape

of

terminal block differs according to inverter capacity.

4. Motor overload protection must be provided in accordance with the National Electrical Code.

5.

This drive is not intended to provide overspeed protection.

-21

-

_~_

~-

Wlrlng for Control Clrcult

Frequency meter

This resistor

is

not

required

when meter

is

calibrated with the parameter unit Parameter C1

1K

2W

-Frequency reference

Frequency reference

ICalibration tentlometer pol potentiometer

Alarm output

(Ib

contact)

Multi.

Terminal

t

I I

i

I

VI

B

c

FM

SD

io

2

5

4

SD

block

SE

RUN

RL

RM

RH

STF STR

MRS

RES

I

...

I

I1

I

11.1

Operation

status

output (RUN: in operation) (SU: up-to-frequency) (FU: Frequency detection)

(See

page

93

and

94.)

.speed selection (low speed) or selection

f

t t

t

f

t

Reset

of

the

external thermai relay input

(See

page

80

and

91.)

Output shutoff or selection of second acceleration /deceleration

(See

page

81.)

Start reverse rotation

'j

LL

Multi-speed selection (middle speed) or

se-

lection of the current input

(See

page

91

and

92.)

Multi-speed selection (high speed)

Start forward rotation

-22-

Notes:

1.

Terminal block Terminal arrangement

.....

as shown in the above illustration (two-row).

Screw

size

.....

M3

screws

controlled via the parameter unit.

2.

Input and output specifications for terminals marked with an asterisk

"I

may be

3.

Three terminals named

SD

are connected in the inverter.

-

23

-

FOR

USE

WITH

SINGLE-PHASE POWER SUPPLY

When the inverter is used with the single-phase power input, the ripple current

of

the capacitor

Increases as compared to the use with the three-phase power input, raising the temperature

of

the converter and capacitor. Hence, the inverter cannot be used with a rated output single-phase

power supply but may be used with the single-phase power input which is lower in output current than the three-phase power input.

*

FR-2024 FR-2024 FR-2024 FR-2024 FR-Z024 FR-Z024 FR-Z024

Type

-0.1 K -0.2K -0.4K -0.75K -1.5K -2.2K -3.7K

0.4

0.6

1.5

3

4 5 7

Rated output

current

(A)

Rated output

voltage

Power supply voltage

Power

supply

capacity

(kVA)

0’4

AC

input

cur-

rent

(A)

Three-phase,

200

to

230VAC, 50/60Hz

Single-phase,

200

to

23OVAC,

50/60Hz

0.8

1.5 2.5 4.5 5.5

9

1.1 2.4 4.5 7.6 11.2 12.9 17.4

-24-

r

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 inverter.

(2)

The inverter must be used with the power supply

of

sufficient power supply capacity. If the

power supply capacity

Is

small, the output voltage will be varied greatly by the load.

NFB

Single-phase

AC

power

supply

200

to

230V

50

/

60HZ

Motor

Circuit

Example1

-25-

7.

PRE-OPERATION SETTINGS

DC

0-10

V

Principal parameters and descriptions are as

follows.

Set these parameters according to operational

requirements.

-

Setting Method: Use the parameter unit for setting parameters. See page

30

for

descriptions

of

settings.

DC

05

V

Parsmetere

Frequency reference signal Select

5V

or

1OV

D-crlptlon

Set the frequency reference voltage signals input across termi-

nals

2

and

5.

Set

parameter num-

ber 73

to

1.

0-10

v

4""

Set

parameter nurn-

ber 73

to

0.

I*

The inverter

is

set

as

shown above when

it

I

isshipped.

Note:

Be

sure

to

select

the

0-5

VDC

input if you connect a fre-

auencv reference Dotentiometer (variable resistor).

Input selection

5

V/10

V

(pa-

rameter number 73)

(Continued on next page)

-26-

I

Parametem

Maximum output frequency

Maximum frequency

Minimum frequency

Deecrlptlon

Set this parameter when you operate the inverter with a value

other than that set when the inverter is shipped.

See

below for

control variables set at shipment.

If

it is necessary to obtain out-

put frequency higher than

60Hz,

the maximum output trequency

reference must be changed.

‘(Control Variables Set at Shipment)

’

Voltage signal

.....

’

Current signal

.....

PU

operation

.......

60

Hz

at 5 VDC (or

10

VDC)

0

Hz

at 4 mADC,

60

Hz

at

20

mA

up to the maximum frequency of

120

Hz

Set this parameter only when you set the maximum or minimum

-frequency. Although it is possible to set the maximum frequency within the

range indicated above, the inverter may not operate correctly if

the maximum frequency is set incorrectly.

Note:lf the minimum frequency is set, the motor will run at thc

minimum frequency by just turning the start signal on.

(Continued

on

Frequency for input

voltage signal

of

5

V

(parameter number

20)

Frequency for input

current signal

of

20

mA

(parameter number

39)

Maximum frequency at PU

operation

(parameter number

1)

*

Maximum frequency (parameter number

1)

*

Minimum frequency (parameter number

2)

-27-

Electronic thermal relay

Acceleration/ Deceleration time

Descrlption

Set

the relay in accordance with the rated current

at

the base speed of the motor. Note:Operation characteristics, are based on operation with

i

standard squirrel cage motor. They are

not

applicable

ti

special motors.

If

you use a special motor, mount an

extei

nal thermal relay

to

protect your motor. This also appliei

to

mutiple motors.

If

you perform

acceleration/deceleration

operation with a time

other than the value

set

when the inverter

is

shipped, change

the

acceleration/deceleration

time.

Value

set

at shipment: 5 sec.

Note:The

set

value is the time from start

to

the maximum outpu

frequency stated before.

'

Electronic thermal relay (parameter number

9)

'

Selection

of

applicable load (parameter number

14)

'

External thermal relay

Input selection

(parameter number

46)

*

Acceleration time

'

Deceleration time

(parameter number

7)

(parameter number

8)

Second acceleration /deceleration time

(parameter number

17)

'

Second deceleration timc

26

(parameter number

47)

-28-

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

64

for calibration procedures.)

-

Changing usage of an inverter (Previouly set up)

Because such an inverter might have parameters set previously according

to

a specific operation, reset

parameters before operation

(reset parameters to values set when the inverter was supplied by Mitsubishi). The inverter may be factory reset on the parameter unit. (See page

61

for

initialization.)

Note, however, that the parameters that follow may not be initialized even

if

you all clear

parameters using the parameter unit. Read each control variable and change

it

to

a needed value.

'

Parameter number

20

'frequency for 5 V input signal'

'

Parameter number

39

'frequency for

20

mA input signal'

*

Parameter number

C-2

'frequency reference voltage bias' 'frequency reference voltage gain'

'

Parameter number

C-4

'frequency reference current bias' 'frequency reference current gain'

Parameter number

C-3

Parameter number C-5

-

29

-

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 tight.

Check that the source voltage meets the rated value, and is not exceeding the specification of the

inverter. (See page

11

3

for specifications.)

Check that the setting of the maximum output frequency is within the load (machine) specification

range. (See page

78

for setting conditions.)

-

Check that short-circuit or ground fault do not exist in the output circuit or sequence.

Bask Operating Procedures

After the inverter has been wired, follow the procedures on pages

31,

32

and

33

to check that it operates

correctly.

-30-

-

Operation with External Signals

Example

of

setting frequency

with

a

voltage

signal

Acceleration

Constant

4

speed

I

Switch power on.

I

(The power indicator lamp is lit.)

Slowly turn

the

variable resistor (frequency reference

po-

tentiometer) clockwise

to

the

maximum position.

4

Turn the start switch on. (Short-circuit across terminals STF and SD or

STR

and SD.)

'

1

Start

I

Deceleration

Slowly turn the variable resistor (frequency reference

po-

tentiometer) counterclockwise

to

the maximum position

'2,'3

I

Turn the start switch off. (Open across terminals STF and SD or

STR

and

SD.)

*

1

stop

h

-31

-

Operation with the Parameter Unit

Using the parameter unit.

Switch power on.

(The power indicator lamp is lit.)

I

Selecting the PU

operation mode

Press the PU OP key to select the PU operation mode. (The indicator lamp next to the PU OP key is lit.)

Enter the frequency value with which you want to operate the inverter using the numeric keys, then press the WRITE key, or hold down

or

[El

until desired output frequency

Setting output

frequency

I

i

is reached.

Frequency

change

during

op-

eration

.4

1

Start

and

I

Press the

FWD

or

REV

key.

ation

After pressing the PU OP key, enter the frequency value to which you want to change, with the numeric keys, then

press theWRlTE key, or hold down

[El

or

sired output frequency is reached.

until the de-

and

stop

Press the STOP key.

'3

-32-

I

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 operation, the inverter will decelerate and stop the motor.

If

the start switch is turned off with the variable resistor turned clockwise to the maximum

position, the inverter will decelerate and stop the motor. A

high pitch sound is generated just before the motor stops, this is normal. The sound is

generated because the

DC

dynamic brake is in operation.

If

the parameter unit

is

removed from the inverter during operation, normal operation wiii continue, however, the motor cannot stop, therefore, do not remove the parameter unit during operation.

,-

F

-33-

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 start signal is controlled externally, while the output frequency is set on PU.

1.

To

select this configuration, first, set parameter number

79

'operation mode

selection'

to

11.

(See page

51

and

52

for detailed procedures.)

2.

After turning the start switch on, output frequency is set on PU during operation. (See page

44

and

45

for detailed procedures.)

Notes:

1.

The external frequency reference signal or PU forwardlreverse rotation and stop keys are not accepted.

2.

The operation mode lamp indicates PU operation. The external signal operation mode cannot be selected.

3.

If

the start switch is turned on, the inverter

is

not switched

to

the monitoring mode

automatically. To monitor data, press the MONITOR key.

Start switch

I

Inverter

I

-34-

-

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 supplied, setting allows for this configuration.

1.

After turning the start switch

on,

select multi-speed signal needed for operation

(short-circuit terminals

RH-SD,

RM-SD,

or

RL-SD).

2.

Control multi-speed frequency on

PU

during operation.

If

you selet high speed (short-circuit

RH

and

SD),

for

example, a change in value

of

parame-

ter number

4

'third speed setting (high speed)' alters speed during operation. (See page

48

and

49

for detailed operations.)

Note: Control variables of multi-speed other than those in-operation, may be changed during

operation.

Start

switch

Inverter

qM

-

35

-

The output frequency is controlled externally, while start/stop is controlled using.the PU.

1.

To select this configuration, first, set parameter number

79

'operation mode selection'

to

12.

(See page

43

and

44

for de-

tailed operations.)

2.

While inputting output frequency (analog or

multi-speed selection stated above) signal externally, runlstop is controlled by the FWD/REV and STOP key on PU.

Notes:

1.

The start terminals (STF, STR) on the inverter are disabled.

2.

The operation mode lamp indicates PU operation.

The external signal operation mode cannot be selected.

3.

When not in the monitoring mode, the PU display

shows the frequency corresponding

to

the external frequency setting signal. Note that this frequency is not displayed unless the PU OP key is pressed.

1

i

d

Inverter

10

2

Frequency reference potentiometer

Current input

1-1

selector Inverter

4.

The inverter may also be started by pressing the FWD or

REV

key

of

the PU, with the

external frequency setting signal set to

0,

and then increasing the frequency setting

signal. (Note that

O.01Hz

is displayed when the set frequency is called by pressing the

PU

OP

key after the FWD or REV key of the PU has been pressed.)

-36-

In-operation Check Points

that the motor rotates in the correct direction.

Check that the motor does not generate unusual noises or vibration.

.

Check that the pointer

of

the frequency meter swings smoothly and correctly.

.

Check

if

the

ALARM

lamp lights, and the inverter stops (inverter trip).

See

page

109

and

1

10

for causes and measures.

h

-37-

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 cable (option). The parameter unit permits the operator

to

set (read and write) various control variables

(parameters), and to monitor operational status and alarm messages through its readout.

In this manual, parameter unit

FR-PUO1

is

abbreviated as

'PU'.

-38-

A

Frequency, motor

DISPLAY(READ0UT)

control variables, alarm message, etc. are displayed by this 7-seg-

ment 4-digit readout.

2nd

or

3rd

group

function

key

(2nd)

Press this key after pressing the

key to read or change (write)

con rot variables for the 2nd group

KEY

after this

SHIFT KEY

Variable (frequency, motor current, alarm message) to be monitored is shifted or 3rd group function is

se-

selected by

Iected.

CLEAR KEY

If

incorrect key is pressed during setting, it can be cancelled by pressing this key.

9

FUNCTlONlNUMERAL KEYS

-

Parameter

No.

of

1st

group function and

value or frequency can

be

specified.

‘R-PUOI

PARAMETER

MOUNTING SCREW

By loosening two screws, the unit

can be separated from the inverter.

VARIABLE INDICATOR LAMP

Control variable to be monitored (frequency, motor current, etc.) is indicated.

0000

.b

4

L

OPERATION MODE KEYS

Operation mode can be selected

from: operation by the parameter

unit, operation by external signals,

readlwrite

of

control variables, monitoring frequency, motor current, alarm messages.

Note:

The parameter unit is abbreviated as

‘PU’

FREQUENCY ADJUST KEYS

Whilst it is held down, frequency continuously increases or decreases.

OPERATION KEYS

Direction of motor rotation can be

se-

lected and operation can be

stopped.

I

L

I

READlWRlTE KEYS

J

Variable setting can be read

-

39

-

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 enclosure or control with the parameter unit held

in

the opetator’s hands.

It

can be

attached Waonnbetw even when the Inverter is in-operation.

DLrset

Attachment

to

Inverter

Attach PU to the inverter front cover for use (it is electrically connected through the plug and receptacle).

For

Ffivetters

without

PU,

replace the accessory cover

on

the inverter front cover.

Io

(1

)

Connection Engage the plug of PU with the inverter receptacle and

gently press the

PU

against

the inverter.

(2)

Securing the PU in position

Lightly tighten

two

screws

to

secure the

PU

in position.

-

40

-

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 control it

held by hand for adjustment or maintenance. In this case, use the approved cable (option) to

connect PU and the inverter.

a:::::

Fit

the

guides

to

the

grooves

(1)

Connection

Plug one end

of

the cable into the receptacle

of inverter, and the other end into PU. When plugging, fit the guides

to

the grooves. (See the illustration on

the

left.) (Improper connection may damage the inverter.)

The plug on the inverter side should be locked with screws as shown on the left. On the PU side, secure the cable

so

that the cable cannot be disconnected by

its own weight.

(2)

Locking

of

Plugs

Note: The extension cable, must

be

a Mitsubishi type, and is available as an option.

-41

-

11.

OUTLINE

OF

FUNCTIONS

Monitoring

Operation status and alarm message can be monitored.

Output frequency Direction

of

motor rotation Motor current Operation mode Alarm information

See

page

55

for operating

procedures

Setting of control variables

Additional control variables can be accessed and changed.

See

page

51

and

52

for

operating procedures.

1

-42-

Selection of operation mode

It

is possible

to

select

the

exter-

nal signal operation or

PU

opera-

tion mode.

See

page

43

for operating

procedures.

-I

Motor control

The

motor starts or stop or out-

put frequency can be

set

by key

Operation on

PU.

Jog

operation

is

also

avail-

able.

See

page

51

and

52

for

operating procedures.

I

12.

OPERATION

Selecting Operation Mode

How

to

Select

Operation

Mode:

1.

Operating the Inverter with External Signals (External Signal Operation) When the inverter

is

supplied,

it

is set to this operation mode (when power is turned on, external

signal operation function),

so

it is not necessary

to

select operation mode on PU.

To

select the PU operation mode from the external signal operation mode, press them key.

2.

Operating the Inverter with the Parameter Unit (PU Operation)

Press thep key to select the PU operation mode.

To

select e external signal operation mode from the PU operation mode, press them key.

3.

Operating the Inverter Using both the External and PU Operation Modes

To

control the inverter

using the external and PU operation modes, for example, the start signal is input externally and

output frequency is set on PU, set parameter number

79

to

11

or

12.

Such operation is available

only by this setting. See page

26

for detailed operating procedures.

-43-

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 signal or

PU

oparation.

When power

is

turned on, the set operation mode is selected, and selection

of

other operation

mode is prohibited.

L

I

-44-

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 the PU operation mode, do not remove PU during operation. The inverter will stay in

operation even

if

PU is removed. In that case, the operator cannot stop the inverter from

operating the motor.

2.

Caution for removing PU during operation

-45-

OPERATING THE MOTOR

WITH

THE PARAMETER UNIT

The operator can startlstop the motor with PU, without any external frequency reference potentiometer, or start switch.

JOG

operation is also available with PU. Follow the key operation

below

to

control the motor.

Operating Procedures

Frequency setting

.....

By repeating this procedure during operation, it is possible to vary the

rotation rate.

The increase (or decrease) of frequency is slow initially, after the key is pressed, but increases as the key is held depressed.

-46-

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 the

WD

or

REV

key

is

held down. If the key

is

released, the

JOG

operation frequency is the value set with the parameter unit. (Parameter number

15)

motor stops.

El0

h

-47-

To

return to external signal operation, press the stopped. (If

the external signal operation cannot be selected, see page

69

and

70.)

key, then press the key after the motor has

(4)

Method to Vary Speed with

PU

during Multi-speed Operation.

Operating procedure

(1)

or

(2)

on page

51

and

52

permits such variation. Note, however, that

pressing the key is unnecessary.

Example of Operation

*

Example where

60

Hz

is set for desired output frequency (from start to

60

Hz)

I

f

cation

Set

to

60

Hz

I

Stari

I

stoa

I

11"''

I

-48-

I,

.

I.i

*

Example where speed

is

changed during operation

(from

60

Hz

to

30

Hz):

Note: Direct setting of output frequency is impossible while the

MONITOR

mode indicator lamp is lit.

To

set output frequency, press the

PU

key

to

cancel the

MONITOR

mode.

Ll

'

JOG

Operation

cation

i

mlt

oaaX

Xook

Indi-

I

i

I

-49-

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 cancel the JOG mode operation, press the qkey.

3.

Desired frequency and

acceleration/deceleration

ime (acceleration and deceleration times

are the same) for the JOG mode operation can be set by specifying the corresponding

parameter (control variable). (See page

90.) When the inverter is shipped, the JOG frequency and acceleration/ deceleration time are set to

5

Hz

and

0.5

sec., respectively (it takes

0.04

sec. for increase of frequency up to

5

Hz).

4.

If

the motor does not start, check the starting frequency.

*

When the motor is started by pressing the start key

(m

orm), the MONITOR mode is

key

automatically selected and output frequency is displayed. While the inverter output

is

on (motor in rotation), the mode indicator lamp just above the

flickers (the same occurs during

DC

dynamic brake operation).

SETTINGS

OF

CONTROL VARIABLES (PARAMETERS)

The inverter has a variety of control functions. It is possible

to

choose individual parameters

to

alter or check control variables. The parameters(contro1 variables) are factory-set

to

run a standard

AC

induction motor, therefore

parameters should only reguire adjustment

to

suit

individual application requirements.

Such as: AcceVDecel rates or min/max frequency are grouped into three categories, from

1st

to

3rd functions. Setting procedures that follow differ according

to

this classification.

Setting procedures

(1)

Setting of

1st

functions (parameter numbers

0-9)

.....

These are main function and are the

most often used.

r-------I------------I------~----------------------

Parameter name (abbreviations) are indicated on the numeral keys

(0-9).

-551

-

(2)

Setting of 2nd functions (parameter numbers

lo-)

.....

These are used

in

advanced

applications.

(3) Setting of 3rd functions

.....

Calibration

*'

Desired parameter may be called by pressing theB key several times. See page

49

for details.

In the above procedure, press the

READ

key instead

of

the

To

read a set value:

key without entering

a

set value.

(Example)

p]

(The case of 2nd function)

To end or cancel settings: To control the motor with

PU

at the middle of setting, or when settlng is complete, press the key.

-52-

Examples

of

Operatlon

(1)

Setting of 1st Function (acceleration time setting)

.....

To

change from 5 sec. to

10

sec.

Key

Indi-

cation

h

Write

Solsotton

of

Settlng

of

Read

premnt

Change

to

1st

tunctlon eccelontlon time

value

10

Sec.

lzJ

mm

pJ

ml

Alternate

-1g;z

lpl.11

W]

rr-pTq

*

0

;.:

0

;.,

/ov

(5

sec.)

(1Osec)

Initial setting

Note:

When another

1st

function is

to

be set after setting a

1st

function, the new desired arameter

can be called by

just

pressing the corresponding parameter key,

so

repressing theb key

is

unnecessary.

-53-

(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 present Change to

value

10

Hz

frequency

for

JOG

operation

Indi-

cation

Note:

1.

A

dot is placed after

,!D

,-when the 2nd function is selected, ex.

(

i-7

,-.,)

key is unnecessary.

2.

When another 2nd function is to be set after setting a 2nd function, the new desired parameter can be called by just pressing the

2nd

key and specifying the parameter number,

so

repressing the

0

*

If

changing parameter or reading is impossible:

See page

71

when an error message is displayed and a new value cannot be written.

-54-

MONITOR

Output frequency

Output current

Conditions

of

load such as output frequency and motor power, and information about activated

protectlve function at occurrence of an abnormality can be monitored

with

PU

(by

segment display and

LED

lamps).

Type

of

Yonltored

lnlotmatlon

Hz

Readout and

In the MONITOR mode shift the display information with the

variable indicator

key

A

lamp

I

monnored

1

Unlt

I

lndlcator devlce

1

Dleplay/operetlon/se~lng

In

brief,

etc.

Information

I

Switched from the monitoring of the output frequency when

I

the function number

37

is

set.

I

Engineering Display Unit

I

Indicator

lamp

I

Direction

of

rotation

I

-

IVaJa;ble

indicator

The lamp is lit at forward rotation and is flickering at reverse

I

rotation.

In-operation Operation mode

indicator lamps

External signaVPU operation

MONITOR

mode

Setting mode

The lamp above the operation mode key corresponding

to

the selected mode is lit. When the motor is running, the lamp flickers, when stopping, the lamp is just

lit.

I

JOG

mode

I

-

IReadout

I

If

the

JOG

meration mode is selected,

'JOG'

is

displayed.

I

-55-

Readout (7-segment 4-digit

LED)

\

Variable indicator lamps

Control variable

to

be

monitored is

/-

indicated.

All

lamps are turned

off

when

alarm information is on

the

readout.

Parameter Unit

Operation mode indicator

/lamps

/

When an operation mode

key

is

pressed,

the

corresponding lamp is

lit.

Operation mode

keys

-56-

lndlcator

Lamp

in

the

MONITOR

Mode

In

this manual, the variable indicator lamps are described

in

the following layout.

;e:

is

a

"lit"

lamp, and

0

is an extinguished lamp. The same is applicable

to

the operation mode indicator

lamps.

lndlcatlon

0

Hz

0

A

0

V

Descriptlon

Frequency is displayed. Motor current is displayed. Not used.

If

the stall prevention function is activated during MONITOR mode, all

MODE

lamps except that selected flicker.

If

the motor

is

in forward

or

reverse rotation, these lamps are

lit

or

flicker, respectively.

Note

1:

The engineering display unit is displayed when the function number

37

is set to any value

other than

0.

-57-

Example

of

Operation

*

Output frequency, motor current (constant), alarm condition (checking)

-

Output frequency

I

(60

Hz)

Motor

current

c

0

HZ

ov

A

/'

'do

0

/'

(6.5

A)

Alarm

condltlon

(Returns

to

the latest alarm.)

Note:

By pressing the

SHIFT

key when an alarm condition is indicated, the output frequency at the

time of the alarm

L7

IS

isp ayed.

-

To

check

the

stored alarm information:

Up

to

four alarm codes are stored.

To

check them follow the procedure below in the above alarm

condition displaying status.

I

................

-

Fl-

~I-~IREAD------*/

READ

/

................

-

2nd latest alarm 3rd latest alarm Oldest alarm (Returns

to

the latest alarm.)

-558-

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 code will

be

displayed.

A

2.

To

check operatlon

At Occurrence of an alarm, the parameter unit automatically displays the activated protective function. In this condition if you press them key (without resetting), output frequency

is

displayed. Thus it is possible to check output frequency

immediately before the alarm Occured. Motor current will also

be checked similarly, but these values will not be stored.

conditions immediately before Occurrence of an alarm:

-59-

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

for details):

DIaplay

I-

/

c

1-1

c

Code

Dwrlption

EOC1 Inverter output current exceeded the overcurrent limit during acceleration.

I

E

2:

I

EOC2 I inverter output current exceeded the overcurrent limit during constant-speed operation.

f-

1:

I-/

1-1 1-1

I I-

11

1- (-1

1-1

I-

1- I 11

I

1,’

I-

I-/ I-

1-

I I 11

c

1-

c

L

.

-/

L

I-

-?

1

EOC3

I

Inverter output current exceeded the overcurrent limit during deceleration.

I

L

1-1

c

EOVT

Braking regenerative power from motor exceeded the regenerative overvoltage limit. Electronic thermal relay in the inverter was activated (current is below

150%

of preset

current). Electronic thermal relay in the inverter was activated (current is over 150%

of

preset

current). Brake transistor in the inverter fault detection. E. BE

c

1

I

-

60

-

I,

Dlaplry

/:

I7

/-I

I-

1-

1-1

I

/

1:

1-1

I I-

Stall prevention function was activated during constant-speed operation and

stopped

the

I

1-

1-1

1-

I

Code

De6crlption

EOHT

External thermal relay was activated.

I

E

.

a’1

1

E.PE

I

Data memory in the inverter and corresponding

to

parameter number

is

corrupted,

I

L

11

I7

I:/

I-

1-

1-1

I

EOPT

Indicates that the retry function has been activated or any error other than the error selected

by

the retry selection has occurred and

stopped

the inverter.

-61

-

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 procedure is called ’ALL CLEAR’.

Operating procedure

~~~~

Parameter number

‘20

‘39

c-

1

c

-2

c-3 c-4 c-5

When writing is complete,

-1

is displayed and flickers.

~~~~ ~ ~ ~

Parameter name

Frequency for

5

V

input signal

Frequency for

20

mA input signal Frequency meter calibration Frequency reference voltage bias Frequency reference voltage gain Frequency reference current bias Frequency reference current gain

Note : The following control variables are

not

initialized through the all clear operation stated above.

*These control variables set the maximum output frequency using external signal operation, and also

are reference frequencies for

acceleration/deceleration

time. After carrying out ALL CLEAR, check

these values and reset to optimum values.

-

63

-

FREQUENCY METER CALIBRATION

It

is possible

to

calibrate any frequency meter connected

to

the frequency meter connection terminals,

FM

and

SD

on the inverter, by operating the PU.

If

it is a digital indicator, pulse train signal frequency

may be adjusted.

Preparation

(1)

Connect the frequency meter across terminals

FM

and

SD

on

the inverter. (Pay

attention

to

polarity matching.)

(2)

If

a calibration resistor has already been connected, remove it or adjust it

so

that its

resistance reads zero.

Inverter

Frequency meter

Calibration

resistor

-

64

-

Operatlng Procedure

1.

Operate

PU

to set the frequency for meter fullscale reading.

(*)

2.

Select the meter calibration mode.

3.

Calibrate the meter.

(Set to

60

Hz when the

inverter is shipped.)

of the frequency meter,

When the meter has been calibrated, press the

WRI

key.

'The motor need not be connected.

Note:

If

a signal relative to magnitude of motor current is to be output from the

FM

terminal (see page

95),

install a calibration resistor at the position shown on the previous page. Output of the

FM

terminal is not adjusted with the above procedure.

-65-

ADJUSTING BIAS AND GAIN

FOR

FREQUENCY REFERENCE

SIGNAL

Using 'bias' and 'gain', the operator can adjust the relationship between output frequency and leference input signals such as

0-5

VDC,

0-1

0

VDC, or

4-20

mA DC, which set the output frequency.

This function is classified as 3rd function and is set through the procedure that follows:

SETTI

NO

PROCEDURE

r

.....(

Frequency meter calibration mode C-1)

lwmp-lpJ7

,..Bias setting for frequency

reference voltage ((3-2)

1'

1

I.

I

...

Gain setting

for

frequency

reference voltage

(C-3)

...

Bias setting for frequency reference current

(C-4)

..Gain setting for frequency

reference current

(C-5)

-

66

-

Example

of

Adjustment

-

Bias setting for frequency reference voltage

.....

when the reference voltage

is

0

V,

the output

frequency will be

10

Hz.

-

Output frequency

60Hz

I

F

-67-

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 disconnected. (When setting characteristics

shown in the illustration on the previous page.)

If

a voltage is being applied, output frequency relative to that voltage is set. In the above

procedure, for example,

if

1

V

is being applied across terminals 2 and

5,

output

characteristics become as shown in the illustration below (solid line).

10

Hz

If

you want to set 0 Hz

against

1

V

/?-

,

input, set 0 Hz

in the above procedure.

.A

I

0

1'v

5'v

-68-

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.

Operation

Motor control

by PU Operation

Cautlona

Becomes effective only after pressing the

PU

key.

When PU

is

in the monitcr mode (when the indicator lamp above the MONITOR key is lit),

setting the

ou

ut

frequency is impossible.

Press the

PU

key to leave the monitor mode and enter a new value.

An error indication (Err.) will be displayed, or the value you entered will not

be

written under

the conditions that follow

:

(1)

When

you

have entered a value exceeding the maximum or minimum frequency

(setting value for parameter number

1

or

2)

:

la

LJ

(2)

When prohibition of parameter entry is effective (parameter number

77

is set

to

1)

;

(3)

When PU is in the external signal operation mode (the indicator lamp above the

(4)

When PU is in the monitor mode (stated above). (Note, however, step setting is possible.)

JOG Operation

(1)

(2)

key is lit)

:

M

The JOG Operation is not available when the motor is running.First, stop the motor

to

perform the JOG Operation.

If

the motor does

not

start, check whether the JOG Operation frequency is lower than

the start frequency (parameter number

13).

-69-

Opmtlon

Writing values

Ceutlonr

1.

Writing is effective only when PU is in the PU Operation mode, accordingly,

it

is ineffective

in the external signal Operation mode. (Set values can

be

read in either mode.)

Writing is impossible when the motor is running. First, stop the motor to write values. The following parameters, however, may

be

written even when the motor is running.

(1)

Multi-speed setting (speed

1-7)

......

Parameters number

4-6, 24-27

(2)

PWM mode

......

parameter number

10

(only in the

PU

Operation mode)

Setting values cannot

be

written under the conditions that follow (an error message will

be

displayed)

:

(1)

(2)

(3)

(4)

(5)

(6)

When an error message is displayed, press the[E]key, or repeat the procedures from the first sten

2.

3.

When

PU

is in the external signal Operation mode;

When the motor is running (except the above

two

parameters): When prohibition of parameter entry is effective; When a number not on the parameter list

is

selected:

When a value exceeding the setting range

i5

entered;

When a value exceeding the maximum or minimum frequency is set.

1

-

70

-

I.1

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 modes.

In addition, reading is possible

if

the motor is running.

Reading the

set

values for the 3rd functions is possible only when the inverter is in PU

Operation mode. When the Operator uses the PU

to

control the motor, pressing the start key (FWD or

REV)

after setting frequency automatically

selects

the

monitor mode.

2.

1.

Common -Operation

Maximum number of

digits stored and the

decimal point.

mode.

Selecting PU or external signal Operation Pressing the

PU

key (or

rn

key) is not allowed for mode change under the conditions

(1)

(2)

(3)

Switching

on

the power of the inverter after switching it off or resetting (across terminals

RES and

SD)

the external Operation mode. (Initial setting)

The maximum number

of

digits for entry

is

four.

If

this

is

exceeded, the first digit is

disregarded. (Example

:

Pressing 12345 will

be

set

as 2345.)

Pressing.

1

for

0.1,

as is done for a calculator, is regarded as

1,

and the decimal point

will

be

disreaarded.

Do

not

omit

a

0.

that follow

:

mm

When the motor is running

;

When the start signal (across terminals

STF

and

SD

or

STR

and

SD)

for the external

signal Operation

is

ON.

When Operation mode (parameter number

79)

is

set

to

PU operation or external

signal Operation.

-71

-

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 voltage

I

Oto500V,

9999

I

9999

I

84

Jog acceieration/deceleration time

0,

0.1-3600

S~C.

0.5

sec.

90

2nd

acceIeratiotVdeceleration

time

0,

0.1-3600 sec.,

9999 9999

81

20

21

Frequency a

5

V

input voltage 1-360 HZ 60 Hz 78

Stall prevention

level

0-200%

150% 88

2nd

function

*24 Multi-speed setting (speed 4) 0-360

HZ,

9999 9999

Multi-speed setting (speed

5)

0-360 Hz,

9999 9999

*25

‘26

Multi-speed setting (speed 6) 0-360

Hz,

9999 9999

*27 Multi-speed setting (speed 7) 0-360 Hz,

9999 9999

.

91

h

29

37

Acceleration/deceleration

pattern selection

0,

1,2

0

82

Engineering display unit display

0,

2,

4,

6, 8, 10,

11

to

9998

0

101

39

42

Frequency at 20

mA

input 1-360 HZ

60

Hz 78

Up-to-frequency sensitivity

1-1

00%

1

0%

94

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 9999

Output frequency detection at reverse

rotation

I

53

69

70

I

72

Retry execution count display erase

1

0

0 100

Parameter set by the manufacturer.

Must

not be

set.

FM

output terminal function selection

0,

1

0

95

Current monitoring output gain 0-200%

150%

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

75

Reset selection

0,

1

0

92

Output signal selection

0,1,2

0

93

79

Operation mode selection

0,

1,2,

11, 12

0

83

-

76

Selection

of

prohibition

of

parameter

I

77

I

writing

I

O

Ig7

-

75

-

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 operation. (Initial

setting) Minimum setting step

.

Frequency

.......................

0.01 Hz.

Note, however,

if

frequency is

100

Hz

or

higher, the

minimum setting step is

0.1

Hz.

.

Time

.................................

0.1

seconds. Note, however,

if

0

is entered,

0.04

seconds is set.

.

Current

............................

0.1

A

.

Yo

......................................

1%

The set value of

9999

indicates that "the function is inactive."

-76-

I

SELECTING FREQUENCY REFERENCE SIQNAL

(5

VHO

V)

Set

value

1

It is possible

to

switch the input (terminal

2)

specification

according

to

the frequency reference voltage signal.

When you input

0-10

VDC,

be sure to select appropriately.

I

i

For

0-1

0

VDC

input

I

1

For

0-5

VDC

input

(initial

setting)

Set

value

0

I

0-5

VDC

0-10

VDC

common

Frequency reference

potentiometer

10

(5

V

only)

-

77

-

MAXIMUM

OUTPUT

FREQUENCY

SETTINO

t

It

is possible

to

set frequency for a

VDC) or

20

mA from external equipment.

E.

fml

------------

0

fm2

------

-----

frequency

frequency reference signal of 5 VDC (or

10

G

Accordingly, this is the maximum output

$

frequency in the external signal operation

;

2

mode. Several

accelerationldeceleration

times can

2

be set for JOG operation

or

multispeed

,O

setting

is

the time (ramp) taken for

acceleration

or

deceleration up to the

FreqJenCy reference

5

V(10

V)

20

maximum frequency.

signal mA

*

Voltage signal

.....

60

Hz

at 5 VDC (or

10

VDC)

Current signal

.....

0

Hz

at 4 mA DC,

60

Hz

at

20

mA DC

*

PU

operation

.....

Up to the maximum frequency of

120

Hz

Note:

The set maximum frequency changes automatically

if

you change setting of 'gain for frequency reference voltage signal' or 'gain for frequency reference current signal' included in the 3rd functions (see page

43).

Since this function has the same priority

level as that of 3rd function (C-3, C-5), priority is given to the latest set function.

Outpu1

P-J

range

This is

to

be set when running at

120

Hz

or higher. The maximum frequency, parameter number

1

of the

1st

function is automatically updated

to

this frequency.

-778-

I

SETTINO THE FREQUENCY

LIMIT

FUNCTION

Max. limit frequency

Output frequency can be changed to desired

maximum andlor minimum frequency.

Min.

limit frequency

setting range

Frequency reference

6

v(io

v)

signal 20 mA

Notes:

1.

When performing an operation that requires setting of the minimum frequency limit, the limit should

be

higher than the starting frequency

(see

page

85).

The maximum frequency

limit may not be higher than

120

Hz.

2.

When the minimum frequency limit

is

set, the motor will run at that frequency by switching

the start signal on.

Note: Set these limits only when you want to restrict higher or lower output frequency.

setttng

Dlrectlon

of rotation

This parameter is set to prevent problems caused

I

Both

forward

and

reverse

rotation

are available

(initial

settlng).

Reverse

rotation

is

prevented.

Forward rotation

is

prevented.

by inappropriate reversing

of

motor rotation.

Note:

If

this selection is made, it prevents

forward or reverse rotation in the

PU

operation mode as well as in the external signal operation

mode.

-

79

-

When using Mitsubishi “constant torque motor“ that is exclusive for the inverter drive, it is possible

to

set

electronic thermal relay for this motor.

If

you set

parameter number 14

to

one of the values listed on the right consider the characteristics of the load, the value set for electronic thermal relay

9

is set for this motor.

,

. . . . . . , . . . . ..

set

value

Constant

load

Set

value

l1

Reduced

torque

load

For

Boost

0%

at

constant

reverse

rotation

torque

Boost

0%

at

Set

value

13

elevation

forward

-

80

-

I’

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. to

3,600

sec. The

;

acceleration time is the time (ramp) taken for acceleration to

f

the frequency (fm) set by the "frequency at

5 V Input voltage"

3

0

and (see for page 2nd

14).

acceleration/

Time for acceleration deceleration in time the is

JOG

similarly operation set.

;

fm14ai-

Acceleration Deceleration

If

0

is entered for acceleration time,

0.04

seconds is set.

Note: Time for S-shape

acceleration/deceleration A (see the Illustration on the following page) is

the time (ramp) taken for reaching base frequency.

Time

Initial setting: 5 sec.

time time

Selection

of

2nd

acceleration/ deceleration time

r

contact it is possible point to signal. select

To

2nd do acceleration/

so,

set the 2nd deceleration

acceleratlonldeceleration

time by an external time

CL

0-

MRS/RT

-

To set deceleration time different from acceleration time : Set the

Inverter

and close terminals

RS

and

SD.

Initial settlng : 9999 (Terminal MRSlRT

is used for output shutoff.)

acceleration time and deceleration time by parameter number

17

and

47,

respectively.

Note:

If

parameter number

47

is set to 9999 (initial setting), acceleration and deceleration are

carried out in the same time set by parameter number

17.

-81

-

4

SELECTING

ACCELERA~~

Set value

0

[Linear acceleration/

deceleration] (Initial

Setting)

Set value

1

[S-shape acceleration/

deceleration

A]

Set value 2

[S-shape acceleration/

deceleration B]

It is the general

acceleration/deceleration

mode in which

acceleration deceleration

is

linear up to

the frequency at

5

V

input (fm).

The

acceleration/deceieration

ramp is

steep where the motor output torque

is

large and is gradual where the motor output torque

is

small. The

acceleration/deceleration

time may

be

reduced.

Acceleration/deceleration

show S-shape characteristics between output frequencies

11

and f2. The time

taken

for

the

acceleration/deceleration

from 11 to

f2

is

the same as that taken for linear

accelerationldeceleration.

The S-shape

acceleration/deceleration

B

is

characteristically smooth.

ifm

f;: output Maximum

frequency

o_s

t

B

%G

Time

,

fb:

Base

frequency

P

Sf

o_€

Time

-82-

-/

OPERATION MODE SELECTION (EXTERNAL SIQNAL

OR

PU

OPERATION)

1-

i

The external signal and parameter unit operation modes are available for operation of the inverter. Operation mode can be fixed to either operation mode, or both operation modes may be used.

I

value

The

parameter unit and external signal Operation modes are alternately

used

I

(initial setting).

I

Set

value

1

I

Only

the

PU

operation is available.

I

Set

value

2

1

Only

the

external signal operation is available.

I

set

,'

Output frequency is

set

by

the

parameter unit.

The

start signal Is input

as

an

I

external input signal.

I

Set 12,

Output frequency is

set

by

the

external input signal.

The

start signal

is

input

I

from

the

parameter unit.

Notes:

1.

It

is

possible to update

values

for this parameter number

even

in the external signal

operation mode.

performed by using the external signal

and

parameter unit. When set value is

12,

output frequency

is

for analog signals

and

multi-speed

setting.

*2.

In this operation mode, output frequency setting

and

control of the start signal are

3.

Refer to page

30

-

37

for

details of operation.

-83-

SETTING FREQUENCY FOR THE MOTOR RATED TORQUE (BASE FREQUENCY)

The base frequency (reference frequency at rated motor torque) can be set in accordance with

the

motor ratina within the 2nd

acceleration/deceleration

time, parameter number

17

is

set and

terminals

RT

aid

SD

are closed.

*

2nd acceleration1 deceleration time selection

MRSIRT

Inverter

Base frequency setting range

l-----!

Base frequency

I

I I

50

fO

(base frequency)

3kO

Output frequency

(Hz)

Note:

'1:

If

the 2nd

acceleration/deceleration

time, parameter number

14

(0

or

0.1

to

3600

sec.)

is not

set,

this

function is not effective despite the 2nd

V/F

is

set

and terminals

RT

and

SD

are closed.

*2:

At the setting of

9999

(factory setting), the maximum output voltage

is

the power supply voltage.

-84-

MOTOR TORQUE ADJUSTMENT (TORQUE

BOOST)

Motor torque in the low-frequency range can be adjusted to motor load. Note:

If

the set value is excessively large, overcurrent protection may be activated. It is possible to adjust motor torque while observing motor current, using the monitor function. The 2nd torque boost is effective when the 2nd

accelerationldeceleration

time

17

is set and terminals RT and

SD

are

closed.'

The starting frequency can be set in a range from

0.5

Hz

to

10

Hz.

Output

frequency

(H2)

a

d

0.5

Frequency reference signal

frequency

(Ht)

-

85

-

4

SETTINQ APPLICABLE LOAD

1

sa

value

0

It is possible to select output characteristics

(V/F

characteristics) that are optimum for the

application or load characteristics.

If

you use the Mitsubishi constant torque motor, set values from

10

to

13

which are listed in the

right-hand table. By setting one

of

these values, it

is

possible to set electronic thermal relay

exclusively for the constant torque motor in the electronic thermal relay parameter number

9.

Output

char.cteri.tlc8

Constant torque load (initial setting)

2

3

10

Ill

Reduced torque load Elevation load (zero boost setting at reverse rotation) Elevation load (zero boost setting at toward rotation)

Constant torque load

11

12

For the

~

constant

torque motor

Reduced torque load

Elevation load (same as that of set value

2)

13

-86-

Elevation load (same as that of set value

3)

(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

rotation

vl.,..~~

boost

setting only at

pZiZGT1

pzq

foward

rotation

100%

m

a

r"

>

a

LI

0

-

Base frequency

Output frequency

(Hz)

For reduced torque load (fan, pump, eta)

Base frequency

Output frequency

(Hz)

For elevation, constant torque load

a

I

a

I

0

Base frequency

Output frequency

(Hr)

-087-

When a small-capacity motor (when compared with capacity of

E

inverter) is driven by a large-capacity inverter, overload

g

(excessively large torque) can be prevented by changing current

?

level at which the stall prevention function is activated.

Notes:

1.

Operating current

(Oh)

is

a ratio of the set current to the

Initial setting

:

150%

rated output current of the inverter.

3.

If

the stall prevention

Is

activated, an alarm signal

is

not output.

-

88

-

DC DYNAMIC BRAKE ADJUSTMENT

Operating frequency

setting range

Time

k

Time

Operating time

Accuracy of the stop position can be adjusted by setting the

DC

dynamic brake torque (voltage), braking time, and

braking start frequency match the load. Notes:

1,

When the

DC

dynamic brake

is

not required, set

brake time to

0.

2.

If

speed is decelerated by decreasing frequency

dynamic brake starts operating at

0.5

Hz

of output frequency. (initial setting)

voltage Voltage

DC

brake

M

reference signal voltage (or by pressing), the

DC

3.

Initial setting of

DC

dynamic brake voltage

:

8%

-

89

-

SETTING

FOR

JOG OPERATION

1

Use

of the parameter unit permits

JOG

operation.

JOG

operation

by

external signal operation is not available.

JOG

acceleration/ deceleration time : 0.5

,Tonb*

Time

Reverse rotation

-

D

0

lnitial setting

:

JOG

frequency:

5

Hz

sec.

Note: Refer

to

page

46

for

PU

operation.

I

,I

I I,

I

,

I

key

I

key

-90-

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, RM-SD, and

RL-SD).

Each speed

=

(frequency) can be set ranging from 0 Hz t

360

Hz.

and

@l

are not effective for this setting.

Notes:

1.

If speed

4

to

7

is

set to9999 (initial

setting),

speeds are simultaneously selected,

RH

and

SD

priority is given

to

frequency of

lower signal.

7

these speeds are not selected.

me

2.

With 3-speed setting,

if

two or three

Across

Example:

If

RH and SD, and

RL

and

SD

are simultaneously turned on with high speed (RH)

and low speed

(RL)

set to

40

Hz and

50

Hz, respectively,

50

Hz

will

be selected.

3.

Selection of the external thermal relay input makes the three-speed setting

(low

speed)

Invalid.

To

perform three-speed operation, set the function number 26. (RH

RM)

4.

When the multi-speed signal and external frequency setting signal are input, the frequency setting for the multi-speed signal has priority.

-91

-

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

so,

select current input signal for the function

of

terminal RM/AU and close terminals RM/AU

and

SD.

The

reset

signal can be input only after a

protective function has been activated.

'2

I

Terminal

RM/AU

is used as multi-speed

I

Set

value

,

Terminal

RM/AU

is used as current input

I

signal selection.

Current input

signal selection

RMIAU

Frequency reference signal

t

DC4-20

mA

Reset (terminal

RES)

function can be selected.

I

Set

value

The reset signal can be input

at

any time.

I

'1

(initial setting)

5

inverter

-*

Notes:

*I.

If

the reset signal is input during operation, inverter output is shut off as long as the

signal is present. The electronic thermal relay is initialized. terminals

RES

and

SD

are closed during operation.

'2.

When 1 is set for this parameter, the inverter continues normal operation even

if

-92-

4

SELECTING OUTPUT SIGNAL FUNCTION

I

Any one

of

"in-operation", "up-to-frequency", and "frequency detection" can be selected and

output as the open collector output signal (terminal

RUNISUIFU).

-

93

-

-/

OUTPUT

SIGNAL THRESHOLD LEVEL SETTlNd

I

When output frequency reaches the operation frequency, an output frequency value that shifts the level of output signal can be adjusted in a range

of

k100%

of the operation

frequency.

The user can set an output frequency to be detected in a range from

0

to

360

Hz.

When output frequency exceeds the set frequency value, an output signal from terminals

FU

and

SE

is set to level

L.

If

output frequency is under the set value, output signal is set to level

H.

This feature can be used as a signal for actuation and release of a mechanical brake.

With this function, it

is

possible to set a different actuating

timing with electromagnetic brake for reverse rotation (down) from that

for

forward rotation

(up)

in

applications such as

elevation. The initial value is

9999

that detects output

frequency of

6

Hz

for both forward and reverse rotation.

Operation frequency

across terminals

su

and

SE

6

Frequency

t

be

detectec

can

be

set

e

Output signal across terminals FU and

SE

Forward rotasion Frequency

to

be detected

43

Reverse

detected

44

rotation

-94-

1.

Mitsubishi Electric Freqrol Z024-UL Instruction Manual

Specifications and Main Features

Frequently Asked Questions

User Manual