TECO-Westinghouse Motor GA7200 Operation Manual

4H358D0030007

–

M O T O R C O M P A N Y

Operation Manual

GA7200

AC Inverter

380 to 460V 1HP~450HP 200

to 230V 1HP~100HP

The GA7200 is a high-performance/low noise general-purpose inverter. This manual describes

the operation procedures for the digital operator (JNEP--12) provided with the GA7200.

A thorough understanding of this operation manual and the GA7200 installation manual is

recommended before using the GA7200.

─2─

CONTENTS

Page

1. OUTLINE............................................................................................... 5

1.1 MAIN FUNCTIONS............................................................................................................................. 5

1.2 DIGITAL OPERATOR KEYPAD.......................................................................................................... 6

2. DRIVE MODE AND PROGRAM MODE................................................ 8

2.1 DISPLAY CONTENTS........................................................................................................................ 9

2.2 CONSTANT GROUPS ....................................................................................................................... 10

3. CONSTANTS SETTING AND CHANGE ............................................... 11

3.1 STANDARD FACTORY SETTING .....................................................................................................11

3.2 FREQUENCY REFERENCE SETTING AND CHANGE .................................................................. 11

3.3 CONSTANTS CHANGE AND FUNCTION SELECTION ................................................................... 12

3.4 OPERATION ERRORS “ ”................................................................................................. 13

4. WIRING................................................................................................. 14

4.1 CONNECTION DIAGRAMS ............................................................................................................... 14

4.2 TERMINAL FUNCTIONS (MAIN CIRCUIT)……………………………………………………………….16

5. DIGITAL OPERATOR PROGRAMMING............................................... 18

6. PROGRAM MODE SETTING AND CHANGE....................................... 20

6.1 V/f PATTERN SETTING ....................................................Sn-02....................................................... 23

6.2 ACCEL/DECEL TIME SETTING .......................................bn-0 I to-04 (Sn-06, Sn-15 to -18)........... 24

6.3 INPUT SIGNAL SELECTION ............................................Sn-04....................................................... 27

6.4 PROTECTIVE CHARACTERISTICS SELECTION...........Sn-10 to-14 ............................................. 28

6.5 MULTI-FUNCTION INPUT SELECTION...........................Sn-04, Sn-15 to 19, bn-09....................... 31

6.6 CONTACT OUTPUT SELECTION ....................................Sn-20....................................................... 37

6.7 FREQUENCY REFERENCE CHANGE ............................bn-05, -06................................................ 40

6.8 DC INJECTION BRAKING (DC) .......................................Cn-10 to -13 ............................................ 41

6.9 FULL-RANGE DC INJECTION BRAKING STOP

(DCB STOP).....................................................................Sn-04=10 XX, Cn-12............................... 42

6.10 UPPER/LOWER LIMIT OF

FREQUENCY REFERENCE ..........................................Cn-14, -15 ............................................... 43

6.11 PROHIBITED (SKIP) FREQUENCY ...............................Cn-16 to -19 ............................................44

6.12 DISPLAY MODE CHANGE .............................................Cn-20 ...................................................... 45

6.13 STALL PREVENTION LEVEL WHILE RUNNING...........Cn-30 (Sn-10) ......................................... 46

6.14 AUTO RESET/RESTART OPERATION AT FAULT.........Cn-36 ...................................................... 47

6.15 INITIALIZING CONSTANTS............................................Sn-03....................................................... 48

─3─

7. CONSTANTS/FUNCTION LIST ............................................................ 50

7.1 FREQUENCY REFERENCE ..........................................An- .................................................. 50

7.2 CONSTANT CHANGE WHILE RUNNING......................bn- .................................................. 51

7.3 SYSTEM CONSTANTS...................................................Sn- .................................................. 55

 Inverter Capacity Selection ...............................................Sn-01....................................................... 62

 V/f Pattern Selection .........................................................Sn-02....................................................... 66

 Operation Mode Selection 1 .............................................Sn-04....................................................... 69

 Operation Mode Selection 2 .............................................Sn-05....................................................... 72

 Operation Mode Selection 3 .............................................Sn-06....................................................... 73

 Operation Mode Selection 4 .............................................Sn-07....................................................... 76

 Operation Mode Selection 5 .............................................Sn-08....................................................... 77

 Operation Mode Selection 6 .............................................Sn-09....................................................... 78

 Protective Characteristic Selection 1 ................................Sn-10....................................................... 89

 Protective Characteristic Selection 2 ................................Sn-11....................................................... 81

 Protective Characteristic Selection 3 ................................Sn-12....................................................... 82

 Protective Characteristic Selection 4 ................................Sn-13…………………………………Not Used

 Protective Characteristic Selection 5 ................................Sn-14....................................................... 83

7.4 MULTI-FUNCTION CONTACT INPUT SELECTION ......Sn-15 to -18 ............................................ 84

7.5 MULTI-FUNCTION ANALOG INPUT SELECTION ........Sn-19....................................................... 96

7.6 MULTI-FUNCTION CONTACT OUTPUT SELECTION ..Sn-20 to -22 ............................................ 97

7.7 CONTROL CONSTANTS................................................Cn- ................................................. 101

7.8 MONITOR DISPLAY .......................................................Un- ................................................. 117

8. FAULT DISPLAY AND TROUBLESHOOTING...................................... 119

9. GA7200 TERMINAL FUNCTIONS ........................................................ 123

10. APPENDIX (OPTIONS AND PERIPHERALS) .................................... 124

10.1 OPTION CARDS .............................................................................................................................. 124

10.2 ANALOG OPERATOR...................................................................................................................... 125

10.3 BRAKING RESISTOR AND BRAKING UNIT................................................................................... 126

10.4 AC REACTOR .................................................................................................................................. 127

10.5 NOISE FILTER ................................................................................................................................. 128

─4─

1.1 MAIN FUNCTIONS

1. OUTLINE

Function Description

Drive Mode

GA7200 can be operated easily with the digital operator.

Function selection and constant setting for

Program Mode

GA7200 can be performed with the digital operator.

Monitoring of output frequency, output

Monitor Function

current, output voltage or status of run / stop commands can be performed with the digital operator.

If a fault occurs, its contents order of occurrence is displayed. When the power

Fault Contents Display

supply is turned ON, maintenance inspection or troubleshooting can be performed since fault is recorded.

─5─

q

y

1.2 DIGITAL OPERATOR KEYPAD

Mode Display

Drive Mode Display Red lamp lights in DRIVE mode and goes out in PRGM mode.

Rotation Direction Display Red lamp lights in DRIVE mode and goes out in PRGM mode.

REMOTE Mode Red lamp lights when controlled by external terminal commands. SEQ: When RUN/STOP signal is selected from terminals. REF: When fre

Displa

Displays set value of each function or monitoring values such as frequency and output current. (5 digits)

uency reference is selected from terminals.

Mode Selection Ke

Depressing this key changes mode. (DRIVE or PRGM)

Display Selection Ke

Depressing this key changes the display.

Read/Write Ke

Depressing this key recalls and displays data from memory. Depressing it a second time enters display data into memory.

Numeral Change Key

Changes numeral such as set values and constant signals.

︿

: Increment key

﹀

: Decrement key

Digit Selection Ke

Selects numerical digits. Selected digit blinks. This key resets operation when fault occurs.

Run Command Ke

Run Command Key to operate by digital operator.

STOP command is input. (Motor stops in either mode.)*

Red lamp lights by depressing STOP. *

Selects FWD or REV run. Effective only in DRIVE mode.

While depressing this key, JOG speed is selected. Effective only in DRIVE mode.

─6─

*

RUN or STOP lamp changes in accordance with the following operations.

INVERTER OUTPUT FREQUENCY

RUN

FREQUENCY

RUN

Lamp

STOP

Lamp

: Lit : Blink

●

: Off

STOP

●

─7─

2. DRIVE MODE AND PRGM (PROGRAM) MODE

Selection of DRIVE mode or PRGM mode can be performed by using the key when the

PRGM

DRIVE

inverter is stopped. When function selection or a change of set value is required, switch to the PRGM mode.



Operation is enabled.



An operation can be performed by

DRIVE mode functions

PRGM mode functions

JOG

and keys.



Frequency reference value or bn constants

can be changed while running.



Program (function selection, constant setting) can be changed.

Note: Cannot be performed while running.

FWD

REV

RUN

STOP

─8─

＊

g

y

2.1 DISPLAY CONTENTS

MODE SWITCHABLE ONLY AT STOPPING

PRGM

DRIVE

É

-

Display of faults which occurred before power supply was turned OFF

É

Frequency reference

value displa

-

Output frequency

-

monitor displa

Output current monitor displa

Display of faults which occurred before power supply was turned OFF

If a fault occurs, the contents are displayed. Fault occurrence order and display are provided by

Fault reset

or keys.

RESET

Un- monitor É display

É

An- reading/setting

É

bn- readin

/setting

＊The constant group to be displayed is changed each time display selection key DSPL is depressed.

ÉFor details of constants ( An- , bn- , Cn- , Sn- , Un- , refer to Section 7, “CONSTANTS/FUNCTION LIST.”

─9─

2.2 CONSTANT GROUPS

Constants of GA7200 are classified as follows:

Constant Group Contents

An-

bn-

Cn-

Sn-

Frequency reference setting

Constant group able to be changed while running

Constant, among control constant groups, related to operation change characteristics

Constant, among system constant groups, to be used for function selection

The ability to set or read the different groups of constants is

determined by Sn-03 as shown below.

DRIVE Mode PRGM Mode

Sn-03

Setting Reading Setting Reading

0000

0101 An bn, Sn, Cn An bn, Sn, Cn *

An, bn Sn, Cn An, bn, Sn, Cn … Factory set

Remarks

* It is recommended that Sn-03 be set to 0101 and reading mode entered after test run adjustment.

Note: To read the Sn or Cn constants while in the DRIVE mode, depress the

key depressed.

RESET

DSPL

key with

─10─

3. CONSTANTS SETTING AND CHANGE

3.1 STANDARD FACTORY SETTING

Contents Set Value

Frequency Reference Input Can be set by digital operator.

Run Command Input

V/f Pattern 60Hz, constant torque characteristics (Standard motor)

Acceleration Time 10 seconds

Motor Protection Electronic overload thermal protection (Standard motor)

Can be set by digital operator.

(RUN/STOP/FWD/REV/JOG)

Note: For more details, refer to Section 7 “CONSTANTS/FUNCTION LIST.”

3.2 FREQUENCY REFERENCE SETTING AND CHANGE

(Example) Frequency reference value is set to 15Hz.

Description Keypad Operation Digital Operator Display Remarks

•

Frequency reference value

is displayed.

•

Set or change reference

value. (Input “1”).

DSPL

Blinking

•

Select digit.

•

Set or change reference

value. (Input “5”.)

•

Write-in constant.

RESET

ENTER

DATA

─11─

Stops blinking for 2 seconds.

3.3 CONSTANTS CHANGE AND FUNCTION SELECTION

 All constants are changed and functions are selected in the same manner.

 When changing Cn- and Sn- constants, program mode must be selected.

(Example) Jog frequency (An-09) set value is changed from 6Hz to 10Hz.

Description Keypad Operation Digital Operator Display Remarks

•

Constant group to be set

or changed is displayed.

•

Select constant No. to be

set or changed.

•

Constant set value is

displayed.

•

Constant is set or

changed.

•

Set value is written in.

DSPL

DATA

ENTER

DATA

ENTER

-

(“End” is displayed for 0.5

second).

Confirm “End” displayed for

each constant.

─12─

3.4 OPERATION ERRORS “ “

The constant setting fault is checked when power is applied or PRGM is changed to DRIVE mode. Digital operator displays faults if the is detected. The fault contact output of the inverter is not executed. If the following “conditions” occur at power ON or changing PRGM into DRIVE , it becomes .

Display Fault Conditions Example

kVA Constant

Setting Fault (Sn-01)

Constant Setting

Range Fault

Multi-function Input Setting Fault (Sn-15 to-18)

V/f Data Set Fault (Cn-02 to-08)

 When 460V class constant is set for 230V class inverter or 230V

class constant is set for 460V.

 When “out of setting range” constant is set.

When multi-function inputs Sn-15 to -18 are set as follows:

 Set values are not arranged in numerical order. (including equal

values)

 Both search references “61” and “62” are set.

 Up command (set value = 10) and DOWN command (set value =

11) cannot be set simultaneously.

 Up command (set value = 10), DOWN command (set value = 11)

and accel prohibit command (set value = 0A) are set together.

 More than two set values except FF are set.

When Cn-02 to 08 do not satisfy the following conditions.

 F

max.≧FA>FB≧FMIN.

(Cn-02) (Cn-04) (Cn-05) (Cn-07)

V

max.

(Cn-03)

V

C.

(Cn-06)

V

min.

(Cn-08)

F

(Cn-07)

min.

F

(Cn-05)

Sn-15 = 3

Sn-16 = 4

Sn-17 = 6

Sn-18 = 5

Cn-02 = 50

Cn-04 = 60

Cn-05 = 3

Cn-07 = 1.5

F

A

B

(Cn-04)

max.

(Cn-02)

F

Constant Set Fault

Constant Write-in

Fault

When any following set fault:

 Carrier frequency upper limit (Cn-23) > 5kHz and Carrier frequency

lower limit (Cn-24) ≦ 5kHz.

 Carrier frequency proportional Gain

(Cn-25) > 6 and (Cn-23) < (Cn-24)

 The constant is not written in correctly to NV-RAM.

(Only at initialization)

─13─

Cn-23 = 6kHz

Cn-24 = 5kHz

/

4. WIRING

GA7200 has been programmed to operate from the digital operator when shipped from the factory. Therefore, just connecting the main circuit power enables drive operation.

Note: When external signals or external devices and digital operator are used, refer to Section 7, “CONSTANTS/FUNCTION LIST”, in this manual.

4.1 CONNECTION DIAGRAM

230V Class

 10 HP (7.5kW, 13.7kVA) or smaller

B1/

3-PHASE

POWER

SUPPLY

R

S

T

 15/20 HP (11/15kW, 20.6/27.4kVA)

3-PHASE

POWER

SUPPLY

R

/L1

S

/L2

T

/L3

r

s

 25 HP (18.5kW, 34kVA) or larger

/L1

GA7200

/L2

/L3

JNEP--12

B1/ 2

GA7200

JNEP--12

B2

T3/W

T1

T2

T3

T1/U

T2/V

PE

U

V

W

IM

3-PHASE

POWER

SUPPLY

R

/L1

/L2

S

/L3

T

r

s

─14─

GA7200

JNEP--12

T1

T2

T3

PE

U

V

W

IM

/

460V Class

 10 HP (7.5kW, 13.7kVA) or smaller

3-PHASE

POWER

SUPPLY

 15/20 HP (11/15kW, 20.6/27.4kVA)

3-PHASE

POWER

SUPPLY

 25 HP (18.5kW, 34kVA) or larger

3-PHASE

POWER

SUPPLY

/L1

R

/L2

S

/L3

T

/L1

R

/L2

S

/L3

T

R

/L1

/L2

S

/L3

T

r

S400

B1/

GA7200

B1/

GA7200

JNEP--12

GA7200

JNEP--12

B2

JNEP--12

U

T1

T2

V

T3

W

PE

2

B2

U

T1

T2

V

T3

W

PE

U

T1

T2

V

T3

W

PE

IM

─15─

4.2 TERMINAL FUNCTIONS

 MAIN CIRCUIT

VOLTAGE 230V CLASS 460V CLASS

Rating

Terminal

R(L1)

S(L2)

T(L3)

U(T1)

V(T2)

W(T3)

B1/○+

B2

○

-

○

+1, ○+

○

+2

○

+3

s

r

s400

PE ( ) Grounding

1~10HP 15~20HP 25~30HP 40~100HP 1~10HP 15~20HP 25~60HP 75~450HP

Circuit input power supply

Inverter output



B1/○+,B2:

braking resistor



B1/○+,○-: DC power supply

-

- -



B2: braking resistor



○

+

2:optional DCL



DC power supply

-

B1/○+,

B1/○+,○-:



- - - -

+1,

+2,○+

○

+, ○- : DC power supply or Braking Unit

-



r-s: cooling fan power supply

 ○

○

- : DC

power supply or Braking Unit

 ○

3: DCL



r-s: cooling fan power supply

B1/○+,B2: braking

resistor



DC power

B1/○+,○-:

supply

-



B1/○+,B2:

braking resistor



B1/○+,○+ 2:optional DCL



B1/○+,○-: DC power supply

-

 ○

○

- : DC

power supply or Braking Unit

 ○

3: DCL



r-s: cooling fan power supply

+1,

+2,○+

 ○

+, ○-: DC power supply or Braking Unit



r-s: cooling fan power supply

─16─

 CONTROL CIRCUIT

Classifi-

cation

Sequence Output Signal

Analog Input Signal

Sequence Output Signal

Output

Signal

Terminal Signal Function Description Signal Level

Forward operation-stop

1

signal

Reverse operation-stop

2

signal

3 External fault input Fault at closed, normal state at open

4 Fault reset input Reset at closed

Master/Aux.

5

Multi-step speed ref. 1

6 Multi-step speed ref. 2 Effective at “closed”

7 Jog command Jog run at “closed”

8 External coast to stop

11 Sequence common -

Power supply terminal for

15

speed reference

13 0 to +10V/100% freq. 0 to +10V (20kΩ)

Master speed frequency reference

14

16 Aux. frequency reference 0-10V/100%

Common terminal for control

17

circuit

12 Shield connection - -

9

During running (NO) Run at “closed”

10

25 Zero speed detection

26 Speed agreed detection

27 Open collector output common -

18

Fault contact output

19

common (NO, NC)

20

21 Frequency meter output Analog

22 Common

Forward run at closed, stop at open

Reverse run at closed, stop at open

Auxiliary freq. ref. at “closed”

Inv. output stop at “closed”

Speed reference power supply

4 to 20mA/100% freq. 4 to 20mA (250Ω)

0 -

Occurs at minimum freq. (Cn-07) or less

Occurs when the frequency reaches 1% of set freq.

Fault at closed between terminals 18 and 20 Fault at open between terminals 19 and 20

0 to 10V/100% freq.

Multi-function contact input: the following signals are available to select. Forward/reverse select, run mode select, multi-speed select, jog frequency select, accel/decel time select, external fault, external base clock stop, hold command, aux. input effective, speed search, energy-saving operation.

Multi-function contact input: one of the following signals are available to select. Speed command, speed gain, speed bias, over torque, over voltage bias, rate of accel/decel, DB current.

Multi-function contact input: one of the following signals available to output. Output during running, zero speed, synchronized speed, arbitrary speed agreed, frequency detection, overtorque,

±

undervoltage, run mode, coast to stop, braking resistor overheat..

Ammeter/voltmeter/wattmeter output selection available

Photo-coupler insulation input +24V DC 8mA

+15V (Allowable current 20mA max.)

0 to +10V (10kΩ)

Dry contact Contact capacity:

250V AC 1A or less 30VDC 1A or less

Open collector output +48V 50mA or less

Dry contact Contact capacity:

250VAC 1A or less 30VDC 1A or less

0 to11V max. 2mA or less

─17─

,

supply

5. DIGITAL OPERATOR PROGRAMMING

The following is an operation example for the digital operator keypad.

 Operation Pattern

 Typical Operation

INPUT VOLTAGE SETTING

POWER ON

FWD SELECTION

Description Keypad Operation Digital Operator Display Remarks

PRECAUTION

Before Power ON

 For the 460V class, 25HP (18.5kW, 34kVA) or larger inverter,

change the supply voltage selection tap of control transformer to the same tap as input voltage. Refer to Installation Manual.

Before Operation

 Be sure to set input voltage in control constant Cn-01.

The initial value is 220 for 230V class

FWD 60Hz

FWD 15Hz

RUN FWD JOG

FREQUENCY SETTING

SET VALUE CHANGE

REV SELECTION

440 for 460V class.

REV 60Hz

t

•

Frequency reference

1

Turn on

○

power supply

Set input

2

○

voltage power

Cont’d

value is displayed.

•

Select PRGM mode.

•

Select control constant

(Cn- )

(ex: 220V)

•

Display Cn-01 data.

•

Set 220V as input

voltage.

PRGM

DRIVE

DSPL

DATA

ENTER

RESET

DATA

ENTER

Depress three times.

─18─

-

LED DRIVE OFF

Displayed for 0.5 second.

Confirm the display.

g

3

○

4

○

Cont’d

FWD JOG

Frequency

Settin

Description Keypad Operation Digital Operator Display Remarks

15Hz

• Select DRIVE mode.

• Select output frequency

monitor display.

• Select rotating direction.

(FWD is default at power

ON.)

• Jog operation.

• Frequency reference

value display is selected.

• Change reference value.

• Set value is written in.

• Select output frequency

monitor display.

PRGM

DRIVE

DSPL

JOG

DSPL

RESET

DATA

ENTER

DSPL

Depress Six times.

LED DRIVE lights.

LED FWD lights.

Stops blinking for two seconds.

5

○

FWD RUN

6

○

frequency

7

○

REV RUN

8

○

Change

reference

value

60Hz

STOP

• Running operation.

• Select frequency

reference value display.

• Change reference value.

• Set value is written in.

• Select output frequency

monitor value.

• Switch to reverse run.

• Decelerate to a stop.

RUN

DSPL

RESET

DATA

ENTER

DSPL

FWD

REV

STOP

LED lights.

RUN

Stops blinking for two

seconds.

LED REV lights.

STOP

LED lights.

blinks

RUN

while decelerating

─19─

pag

6. PROGRAM MODE SETTING AND CHANGE

The following shows an example of main functions and characteristics.

6.1 V/f PATTERN SETTING

Sn-02

16 types of V/f patterns are available according to motor type, load characteristics and operating conditions.

 To select V/f pattern, set the inverter input voltage to Cn-01.

 For details on the different V/f patterns, refer to Par. 7.3

SYSTEM CONSTANTS “V/f PATTERN SELECTION” on

e 67.

PRECAUTION

■■ FIXED V/f PATTERN SELECTION

(Example) Change to variable torque characteristics (Set “7”.)

Description Keypad Operation Digital Operator Display Remarks

• Select PRGM mode.

• Select Sn-02.

• Constant display

value is displayed.

• Set or change

constant.

• Constant value is

written in.

PRGM

DRIVE

DSPL

DATA

ENTER

RESET

DATA

ENTER

Depress twice.

-

LED DRIVE OFF

Displayed for 0.5 second. Confirm the display for each constant.

─20─

■ INPUT VOLTAGE SETTING

(Example) Set input voltage to 220V.

Description Keypad Operation Digital Operator Display Remarks

• Select PRGM mode.

• Select Cn-01.

• Constant set value

is displayed.

• Set or change

constant.

• Constant value is

written in.

PRGM

DRIVE

Depress three times.

DSPL

DATA

ENTER

RESET

ENTER

-

LED DRIVE OFF

Displayed for 0.5 second. Confirm the display for each constant.

─21─

■ ARBITRARY V/f SETTING (Sn-02, Cn-02 to -08)

(Example) Change to “F

= 120Hz, V

max

= 18V”.

min

Description Keypad Operation Digital Operator Display Remarks

• Select PRGM mode.

• Select Sn-02.

• Constant set value

is displayed.

• Set or change

constant. Set to “F”.

• Constant is written

in.

• Select Cn-02.

• Constant set value

is displayed.

• Set or change

constant.

• Constant value is

written in.

• Select Cn-02.

• Select Cn-08

• Constant set value

is displayed.

• Set or change

constant.

• Constant value is

written in.

PRGM

DRIVE

DSPL

DATA

ENTER

RESET

DATA

ENTER

DSPL

DATA

ENTER

RESET

DATA

ENTER

DSPL

DATA

ENTER

RESET

DATA

ENTER

Depress twice.

-

LED DRIVE OFF

Refer to the

─22─

Set Sn-02 to F.



(18V) (Cn-08)

V

max.

(Cn-03)

V

C.

(Cn-06)

V

min.

F (Cn-07)

min.

(Cn-05)

F

B

F

A

(Cn-04)

F

max.

(Cn-02) (120Hz)

F



If F

MAX.

≧

F

＞FB≧F

A

is not satisfied, a setting error occurs.

MIN.

 When V/f pattern is selected to be linear, set the same value for Cn-07 and

Cn-05. (Cn-06 setting is disregarded). Refer to pages 67, 68 and 69 for V/f

pattern selection.

─23─

(

6.2 ACCEL/DECEL TIME SETTING

bn-01 to -04 (Sn-06, Sn-15 to -18)

Accel/decel time can be changed in DRIVE mode during running.

• Acceleration and deceleration time each has two set values. When “ accel/decel time change” is selected (7 is set in Sn-15, Sn-16, Sn-17 or Sn-18) as a multi-function terminal function, the values set in bn-03 and-04 become effective.

• S-curve characteristics of soft start can be selected in the 1-and 2-digits of Sn-06.

(Example) When S-curve not used, accel and decel times are set with

bn-01 through bn-04.

bn- Set Value

Accel Time 1 (bn-01) 5 seconds

Decel Time 1 (bn-02) 8 seconds

Accel Time 2 (bn-03) 3 seconds

Decel Time 2 (bn-04) 3 seconds

Factory setting (S-curve characteristics: provided) bn-01 to 04: 10 seconds

Fref.

bn-01, 03

bn-02, 04

0

t

Setting change (S-curve characteristics: not provided)

Fref.

bn-01

5 sec.)

bn-03

bn-02 (8 sec.)

bn-04

t

─24─

Description Keypad Operation Digital Operator Display Remarks

•

Select PRGM mode.

•

Select bn-01.

•

Constant set value

is displayed.

PRGM

DRIVE

DSPL

DATA

ENTER

-

LED DRIVE OFF

•

Set or change

constant.

•

Constant value is

written in.

•

Select bn-02.

•

Select Sn-06.

•

Constant set value

is displayed.

•

Set or change

constant.

•

Constant value is

written in.

•

Select Sn-18.

RESET

DATA

ENTER

DSPL

DATA

ENTER

RESET

DATA

ENTER

DSPL

-

Displayed for 0.5 second. Confirm the display for each constant.

Refer to the next page

Displayed for 0.5 second. Confirm the display for each constant.

•

Constant set value

is displayed.

•

Set or change

constant.

•

Constant value is

written in.

DATA

ENTER

RESET

DATA

ENTER

─25─

Displayed for 0.5 second. Confirm the display for each constant.

6.2 ACCEL/DECEL TIME SETTING

＊ Input signal selection

Sn-06 Operation mode selection 3

4 3 2 1

DIGIT

Machine requires soft start at acceleration and soft stop at deceleration.

bn-01 to -04 (Sn-06, Sn-15 to -18)

Soft start S-curve characteristics

00 S-curve 0.2 sec.

10 S-curve 0.5 sec.

11 S-curve 1.0 sec.

Master speed frequency reference

0 Normal characteristics

1 Reverse characteristics

Processing when frequency reference is missing

0 Stop by reference input

1 Operation to continue with 80% of frequency reference

Application Example

(Cont’d)

─26─

6.3 INPUT SIGNAL SELECTION

Sn-04

(Example) Change from operator control to terminal control of run/stop and frequency reference.

Description Keypad Operation Digital Operator Display Remarks

•

Select PRGM mode.

•

Select Sn-04.

•

Constant display

value is displayed.

•

Set or change

constant.

•

Constant value is

written in.

PRGM

DRIVE

DSPL

DATA

ENTER

RESET

DATA

ENTER

-

LED DRIVE OFF



Refer to the diagram shown below.

Displayed for 0.5 second. Confirm the display for each constant.

＊ Input signal selection Sn-04

Sn-04 Operation mode selection

4 3 2 1

DIGIT

Frequency reference input

0 Control circuit terminal 13-14

1 Digital operator An-01

Running operation

0 Control circuit terminal

1 Digital operator

Stopping method selection

00 RAMP to stop

01 Coast to stop

10 Full-range DC injection braking stop

Coast to stop

11

(With a timer function)

─27─

6.4 PROTECTIVE CHARACTERISTICS SELECTION

Sn-10 to -14

Protective characteristics can be selected by Sn-10, Sn-11, Sn-12 and Sn-14.

(Example) Operation is continued after recovery from momentary power loss and the electronic thermal

protection is turned OFF.

Description Keypad Operation Digital Operator Display Remarks

• Select PRGM mode.

• Select Sn-11.

• Constant set value is

displayed.

• Set or change

constant.

• Constant value is

written in.

• Constant set value is

displayed.

• Set or change

constant.

• Constant value is

written in.

DRIVE

PRGM

DSPL

DATA

ENTER

RESET

DATA

ENTER

DSPL

DATA

ENTER

RESET

DATA

ENTER

-

LED DRIVE OFF

 Refer to pages 29

and 30.

Displayed for 0.5 second. Confirm the display for each constant.

28

─ ─

＊ Protective characteristics

Sn-10 Protective characteristic 1 (stall prevention)

Decel time during stall prevention

0 bn-02

1 bn-04

Stall prevention during running

0 Effective

1 Ineffective

4 3 2 1

DIGIT

0 Effective

1 Ineffective

0 Effective

1 Ineffective

Stall prevention during acceleration

Stall prevention during deceleration

Sn-11 Protective characteristic 2 (Momentary power loss ride-thru)

4 3 2 1

Operation at momentary power loss

0 Operation to stop

1 Operation to continue

Not used

DIGIT

0 Ineffective

1 Effective

0 Open

1 Close

Protection for internal braking resistor

Fault contact during auto rest/restart operation

Sn-12 Protective characteristic 3 (External fault terminal 3)

4 3 2 1

Processing at external fault detection

00 Ramp to stop by bn-02

01 Coast to stop

10 Ramp to stop by bn-04

11 Operation to continue

DIGIT

External fault

0 NO contact input

1 NC contact input

External fault

0 Always detected

1 Detected during running

29

─ ─

6.4 PROTECTIVE CHARACTERISTICS SELECTION

Sn-13 Protective characteristic 4 (Fan fault protection)

4 3 2 1

DIGIT

Not used

Process at fan fault detection

00 Ramp to stop by bn-02

01 Coast to stop

10 Ramp to stop by bn-04

11 Operation to continue

Sn-10 to -14

(Cont’d)

Sn-14 Protective characteristic 5 (Motor protection)

4 3 2 1

DIGIT

Electronic thermal motor protection

0 Effective

1 Ineffective

Electronic thermal characteristics

0 For standard motor

1 For constant torque motor

Electronic thermal time constant For standard motor and

0

constant torque motor For motor other than listed in

1

0 above. (Short time rating)

Not used

30

─ ─

6.5 MULTI-FUNCTION INPUT SELECTION

Sn-04, Sn-15 to -19, bn-09

Response to constant input is selected by the setting of Sn-15 to -19.

(Example 1) 2-step speed operation by analog reference. (Set Sn-04 to 0000)

Keypad Operation Digital Operator Display

DSPL

DATA

ENTER

-

Constant Setting

Set

Terminal Sn-

5 15 3 3

6 16 4 4

7 17 6 6 Jog frequency *

Va l ue

Factory

Setting

Name

Multi-step speed reference 1

Multi-step speed reference 2

8 18 8 8

16 19 0 0 Auxiliary frequency

External baseblock command

* If jog frequency reference and multi-step speed reference (1, 2) are turned ON simultaneously, jog frequency reference has priority.

MASTER SPEED

OUTPUT FREQUENC

AUXILIARY

TIME

MULTI-STEP SPEED

REFERENCE

TERMINA

FWD RUN

COMMAND

REFERENCE

○ ○ ○ ○

1

5

6

7

OPEN

JOG FREQUENCY

CLOSE

CLOS

OPEN

31

─ ─

6.5 MULTI-FUNCTION INPUT SELECTION

MCCB

R

S

T

FWD RUN/STOP

MULTI-STEP SPEED REFERENCE 1 MASTER SPEED/ AUXILIARY CHANGE

2kΩ

MASTER SPEED FREQUENCY REFERENCE

0 to 10V

4 to 20mA

AUXILIARY FREQUENCY SETTING

0V

2kΩ

P

Sn-04, Sn-15 to -19, bn-09

GA7200

L1(R)

L2(S)

L3(T)

1

2

3

4

5

6

7

8 11

SEQUENCE COMMON

12

SHIELDED CONNECTION SPEED SETTING POWER SUPPLY

15

+15V 20mA MASTER SPEED

13

REFERENCE 0 to 10V (20kΩ)

14

MASTER SPEED REFERENCE

16

4 to 20mA (250Ω)

17

AUXILIARY FREQUENCY REFERENCE

0V

0 to 10V (20kΩ)

T1(U)

T2(V)

T3(W)

(E)

(Cont’d)

MOTOR

IM

32

─ ─

(Example 2) 5-step speed operation + energy-saving operation (terminal 8)

Keypad Operation Digital Operator Display Remarks

Only check set

value

DSPL

DATA

ENTER

RESET

DATA

ENTER

DSPL

DATA

ENTER

-

Displayed for 0.5

second. Confirm the

display for each

constant.

The following shows a sequence to perform 5-step speed operation.

Constant Setting

Set

Terminal Sn-

5 1 3 3

6 16 4 4

Va l ue

Factory

Setting

Name

Multi-step speed reference 1 *

Multi-step speed reference 2 É

7 17 6 6 Jog frequency Û

8 18 63 8

* For combination of multi-step speed operations, refer to pages 85 and 86.

ÉFor frequency reference, set in the form of An- .

Û

Jog reference has priority over multi-step speed reference (1,2) when they are

turned ON simultaneously.

Energy-saving operation

33

─ ─

6.5 MULTI-FUNCTION INPUT SELECTION

Sn-04, Sn-15 to -19, bn-09

(Cont’d)

MASTER SPEED FREQUENCY REF.*

(An-01)

AUX. FREQUENCY REF.É

(An-02)

FREQUENCY REF. 3

(An-03)

FREQUENCY REF. 4

(An-04)

JOG FREQUENCY (An-09)

TERMINA

0

t

FWD RUN

MULTI-STEP

(MASTER/AUX

JOG FREQUENCY

ENERGY SAVING

OUTPUT

In this area, V/f setting (Cn-02 to -08) is reduced to the bn-09 setting (%)

* When Sn-04 is set to × × × 1, that value will be the internal set value (An-01).

É When Sn-19 is set with any value other than 00, An-02 will be effective. When multi-function

analog reference input is not used, set 0F as the set value.

34

─ ─

(Example 3) 9-step speed operation

Keypad Operation Digital Operator Display Remarks

DSPL

DATA

ENTER

RESET

DATA

ENTER

DSPL

DATA

ENTER

RESET

DATA

ENTER

Constant Setting

Set

Terminal Sn-

5 15 3 3

6 16 4 4

Va l ue

Factory

Setting

Multi-step speed reference 1 *

Multi-step speed reference 2 É

-

Name

Displayed for 0.5

second. Confirm the

display for each

constant.

Displayed for 0.5

second. Confirm the

display for each

constant.

7 17 6 6

8 18 63 8 Jog frequency Û

Multi-step speed reference 3

* For combination of multi-step speed operations, refer to pages 85 and 86.

ÉFor frequency reference, set in the form of An- .

Û

Jog reference has priority over multi-step speed reference (1 to 3)

when they are turned ON simultaneously.

35

─ ─

6.5 MULTI-FUNCTION INPUT SELECTION

Sn-04, Sn-15 to -19, bn-09

(Cont’d)

MASTER SPEED FREQUENCY REF.*

AUX. FREQUENCY REF.É

(An-02)

(An-01)

FREQUENCY REF. 3

(An-03)

FREQUENCY REF. 4

FREQUENCY REF. 5

(An-04)

FREQUENCY REF. 6

(An-05)

FREQUENCY REF. 7

(An-07)

(An-06)

FREQUENCY REF. 8

(An-08)

JOG FREQUENCY (An-09)

FWD RUN COMMAND ○

MULTI-STEP

SPEED REFERENCE 1 ○

MULTI-STEP

SPEED REFERENCE 2 ○

MULTI-STEP

SPEED REFERENCE 3 ○

JOG FREQUENCY ○

TERMINAL

5

6

7

8

CLOSED

1

CLOSED

OPEN

CLOSED

OPEN

CLOSED

OPEN

CLOSED

OPEN

* When Sn-04 is set to × × × 1, that value will be the internal set value (An-01).

É When Sn-19 is set with any value other than 00, An-02 will be effective. When multi-function

analog reference input is not used, set 0F as the set value.

36

─ ─

6.6 CONTACT OUTPUT SELECTION

Contact output function can be selected by the setting of Sn-20.

(Example) Overtorque signal is read out from contact output.



Applicable inverter: 230V, 10HP (rated current 32A)



Applicable motor : 10HP (7.5kW), 4P (motor rated current 26.8A) (TECO

MOTOR)

Overtorque detection level is equivalent to motor rated torque. Set a mode in which overtorque signal is output only when overtorque is detected during constant speed running. Inverter rated current is regarded as 100% value.

OUTPUT CURREN

OVERTORQU E DETECTION

Cn-26 OVERTORQU E

Sn-20

Cn-27

t

CLOSED

37

─ ─

6.6 CONTACT OUTPUT SELECTION

Keypad Operation Digital Operator Display Remarks

DSPL

DATA

ENTER

RESET

DATA

ENTER

DSPL

DATA

ENTER

RESET

DATA

ENTER

DSPL

DATA

ENTER

RESET

DATA

ENTER

DSPL

DATA

ENTER

Sn-20

(Cont’d)

-

Displayed for 0.5

second. Confirm the

display for each

constant.

A8.26

A32

=84%

Displayed for 0.5

second. Confirm the

display for each

constant.

%100X

Application Example

As with an extruder, a cutter, or other machines, when a load is applied beyond a given set value, the machines (particularly cutting tools) should be protected

.

38

─ ─

6.7 FREQUENCY REFERENCE CHANGE

Any output frequency value for frequency set value (0 to 10V or 4 to 20mA) can be set.

(Example) Adjust to 10% speed (6Hz) at frequency reference input 4mA and 100% speed at

16.8mA (Set bn-05 = 0122.5 and bn-06 = +010).

Keypad Operation Digital Operator Display Remarks

DSPL

DATA

ENTER

RESET

DATA

ENTER

DSPL

DATA

ENTER

RESET

DATA

ENTER

bn-05, -06

-

*1

*2

Displayed for 0.5

second. Confirm the

display for each

constant.

Displayed for 0.5

second. Confirm the

display for each

constant.

39

─ ─

(

6.7 FREQUENCY REFERENCE CHANGE

122.5

bn-05)

REFERENCE

100

GAI

BIAS bn-06)

10

4mA

Note: Frequency reference gain (bn-05) and frequency reference bias (bn-06) can be changed while running in DRIVE mode.

*1 How to calculate gain

X =

b100−

… (1) G = X+b … (2)

a

X is obtained from equation (1)

X =

10100−

= 112.5

8.0

G is obtained by substituting X obtained in equation (1) to equation (2).

G = 112.5 + 10 = 122.5

*2 in the uppermost digit indicates “＋ (plus).” －is displayed when it is “(－minus).”

GAI

16.8mA

FREQUENCY REFERENCE INPUT

Application Example

bn-05, -06

(Cont’d)

20mA

a: Reference input ratio at 100%

frequency. Since it is 100% speed (60 Hz) at 16.8mA in this example, the following equation is established.

mA4mA8.16

−

=0.8a =0.8

mA4mA20

−

b: Bias level (%)

Since it is 10% (6Hz) at frequency requence input 4mA in this example, the following equation is established. b = 10

G: Gain set value

122.5 in this example

For instrumentation input of 4 to 20mA , the amount should be adjusted at startup. Maximum frequency should be adjusted.

─

40

─

6.8 DC INJECTION BRAKING (DC)

DC injection braking at starting or stopping function is selected by the setting of Cn-10 to -13.

MINIMUM OUTPUT FREQUEN

DC INJECTION

(Example) Set 3 seconds to DC injection braking time at starting.

Cn-1

Time Chart of DC injection braking time at starting.

Cn-10 to -13

DC INJECTION BRAKING START

Cn-1

DC INJECTION

Keypad Operation Digital Operator Display Remarks

DSPL

DATA

ENTER

RESET

DATA

ENTER

-

Displayed for 0.5 second. Confirm the display for each constant.

Application Example

When an idle fan slips and the direction of rotation is indefinite, “OC” and “OV” trip should be avoided.

41

─ ─

6.9 FULL-RANGE DC INJECTION BRAKING STOP (DCB STOP)

Sn-04 = 10XX, Cn-12

When the full-range DC injection braking stop function is used, the inverter can be stopped without a braking resistor. When stop command is input, DC injection braking stop is executed. DC injection braking time while stopping is set by Cn-12 at 10% speed and varies according to output frequency at stop command input as shown below.

RUN

OUTPUT

STOP

DC INJECTIO N

0.5sec. DC INJECTION

OUTPUT FREQUENCY

(Example) Full-range DC injection braking stop is selected to set DC injection braking time to 1 second.

Keypad Operation Digital Operator Display Remarks

Cn-12 X

Cn-12

DC injection brake should be applied sparingly without a braking resistor. (Within 3 - 5% duty cycle).

DSPL

DATA

ENTER

DATA

ENTER

DSPL

DATA

ENTER

RESET

DATA

ENTER

-

Application Example

Displayed for 0.5

second. Confirm the

display for each

constant.

Displayed for 0.5

second. Confirm the

display for each

constant.

42

─ ─

6.10 UPPER/LOWER LIMT OF FREQUENCY REFERENCE

Cn-14 , -15

Output frequency upper/lower limit value can be set. When the lower limit value is less than minimum output frequency, rotation continues at the lower limit value until frequency reference reaches the value, by inputting the run command.

(Example) Set upper, lower limit of frequency reference. Upper limit: 80% of set frequency Lower limit: 10% of set frequency

Keypad Operation Digital Operator Display Remarks

DSPL

DATA

ENTER

RESET

DATA

ENTER

DSPL

DATA

ENTER

RESET

DATA

ENTER

-

Displayed for 0.5

second. Confirm the

display for each

constant.

Displayed for 0.5

second. Confirm the

display for each

constant.

Note: Setting Cn-14 to 109% enables frequency up to Cn-02 × 1.09 to be output.

Example: Assuming Cn-02 = 60Hz, Cn-14

FREQUENCY REF. UPPER LIMIT

Cn-14

Fref.

60 48

6

= 109Hz, up to 65.4Hz

0

SET FREQUENCY

100

can be output. However, when 400Hz is exceeded, the value is clamped to 400Hz.

Application Example

The maximum air quantity (upper limit) allowed and the minimum air quantity (lower limit) required should be maintained for a fan or a blower.

43

─ ─

6.11 PROHIBITED (SKIP) FREQUENCY

Cn-16 to -19

When an operation is required to avoid mechanical resonance frequency, the setting prohibited frequency function is effective.

Setting prohibited frequency is set in Cn-16 to -18 in units of 0.1Hz.

Setting prohibited frequency width is set to Cn-19 in units of 0.1Hz.

INTERNAL FREQUENCY

Cn-17

Cn-18

Cn-16

Cn-19

Note: Ineffective when set value is 0.0Hz.

Cn-19

0

SET FREQUENCY

(Example) 30Hz ± 0.5Hz setting is prohibited.

Keypad Operation Digital Operator Display Remarks

DSPL

ENTER

RESET

ENTER

DSPL

ENTER

RESET

ENTER

Operation avoiding mechanical resonance points in HVAC systems

are required.

DATA

-

Application Example

44

─ ─

Displayed for 0.5

second. Confirm the

display for each

constant.

Initial value 1.0Hz

Displayed for 0.5

second. Confirm the

display for each

constant.

6.12 DISPLAY MODE CHANGE

(Example)

Frequency reference An- is set or read in the units of 0.01%.

Keypad Operation Digital Operator Display Remarks

DSPL

DATA

ENTER

RESET

DATA

ENTER

Operator Display Mode

Cn-20 Unit of Setting / Reading

Cn-20

-

Displayed for 0.5 second. Confirm the display for each constant.

0 Units of 0.01Hz

1 Units of 0.01%

Unit of r/min (0 to 39999)

2 to 39

40

to

39999

r/min = 120 × frequency reference (Hz) / Cn-20

(Cn-20 is the number of motor poles)

The position of decimal point is set by the value of the 5th digit of Cn-20.

Value of 5th digit = 0 : Displayed as xxxx

Value of 5th digit = 1 : Displayed as xxx.x

Value of 5th digit = 2 : Displayed as xx.xx

Value of 5th digit = 3 : Displayed as x.xxx

A set value of 100% frequency is determined by the 1st digit to 4th digit of Cn-20.

Example 1 : when the set value of 100% speed is 200.0.

Example 2 : when the set value of 100% speed is 65.00.

Cn-20 = 12000 is entered

Cn-20 = 26500 is entered

45

─ ─

6.13 STALL PREVENTION LEVEL WHILE RUNNING Cn-30 (Sn-10)

If the inverter output current exceeds Cn-30 stall prevention level for more than 100ms, the output frequency will decrease until output current is below value in Cn-30. Once current has dropped below set value in Cn-30, the inverter rated current will increase back to set value operation. Inverter rated current is regarded as 100%.

OUTPUT CURRENT

OUTPUT FREQUENCY

(Example) Stall prevention level while ring running 120%. Decel time bn-04 set value.

Keypad Operation Digital Operator Display Remarks

Cn-30

100 ms

t

Sn-10 = 00 XX : DECEL TIME bn-02 SET VALUE

DSPL

DATA

ENTER

RESET

DATA

ENTER

DSPL

DATA

ENTER

RESET

DATA

ENTER

-

Displayed for 0.5 second. Confirm the display for each constant.

Rotation speed should be automatically reduced for rated operation regardless of possible overload, and on return to normal load, the previous rotation speed should be maintained.

Application Example

46

─ ─

d

6.14 AUTO RESET/RESTART OPERATION AT FAULT (FAULT RETRY)

If a protective function (OC, OV, OL1, OL2, OL3, OH, UV1) operates while running, auto reset/restart function can be selected. Reset/restart operation can be performed up to 10 times. By setting Cn-36 to 0, reset/restart operation at fault will not performed.

< Time Chart >

FAULT DETECTION

OUTPUT FREQUENCY

FAULT CONTACT

MOTOR r/min

Sn-11 2 Fault contact output.

n

digit = 1:

Keypad Operation Digital Operator Display Remarks

Cn-36

DSPL

DATA

ENTER

RESET

DATA

ENTER

DSPL

DATA

ENTER

RESET

DATA

ENTER

-

Displayed for 0.5 second. Confirm the display for each constant.

Application Example

If the inverter protection function operates due to lightning surge, automatic reset will be attempted about four or five times to continue operation without stopping the motor.

47

─ ─

p

Cont

6.15 INITIALIZING CONSTANTS

Sn-03

(Example) Replacing control board.

Select inverter capacity and set V/f pattern and initialize constants. All constants except Sn-01 (inverter capacity) and Sn-02 (V/f pattern) are initialized to the data at the factory prior to shipment.

Description Keypad Operation Digital Operator Display Remarks

Power ON

Set inverter

acity

ca

Selec t

Set V/f pattern

Select 60HZ stand. patter

• Frequency reference value

is displayed.

• Select PRGM mode.

• Select inverter capacity

constant (Sn-01).

• Sn-01 data is displayed.

• Change set value.

• Set value is written in.

• Select V/f pattern constant

(Sn- ).

• Select Sn-02.

• Sn-02 data is displayed.

PRGM

DRIVE

DSPL

DATA

ENTER

RESET

DATA

ENTER

DSPL

DATA

ENTER

Depress twice

-

LED DRIVE OFF.

Displayed for 0.5

second. Confirm the

display for each

constant.

• Change set value.

• Set value is written in.

’

RESET

DATA

ENTER

48

─ ─

Displayed for 0.5

second. Confirm the

display for each

constant.

Co

6.15 INITIALIZING CONSTANTS

Description Keypad Operation Digital Operator Display Remarks

Constant is initialized

End

nt’

• Select initialization

constant.

• Select Sn-03.

• Data is displayed.

• Set to " 1110".

• Set value is written in.

When key is depressed, all constants except Sn-01 and Sn-02 are changed to

DATA

ENTER

the value set priot to shipping.

• Switch to DRIVE mode.

DSPL

ENTER

RESET

ENTER

PRGM

DRIVE

DATA

Sn-03

-

.

Displayed for 0.5

second. Confirm the

display for each

constant.

LED DRIVE

lights.

49

─ ─

7. CONSTANTS/FUNCTION LIST

7.1 FREQUENCY REFERENCE

An- .

These references are used during multi-speed operation. Set values of An- can be changed or read during running in DRIVE mode.

List of An- constants

An-

01 Frequency reference 1 0.01Hz 0.00Hz to 400.00Hz 0.00Hz

02* Frequency reference 2 0.01Hz 0.00Hz to 400.00Hz 0.00Hz

03 Frequency reference 3 0.01Hz 0.00Hz to 400.00Hz 0.00Hz

04 Frequency reference 4 0.01Hz 0.00Hz to 400.00Hz 0.00Hz

05 Frequency reference 5 0.01Hz 0.00Hz to 400.00Hz 0.00Hz

06 Frequency reference 6 0.01Hz 0.00Hz to 400.00Hz 0.00Hz

07 Frequency reference 7 0.01Hz 0.00Hz to 400.00Hz 0.00Hz

08 Frequency reference 8 0.01Hz 0.00Hz to 400.00Hz 0.00Hz

Data Name Unit Setting - Range

Factory

Setting

09 Jog frequency reference 9 0.01Hz 0.00Hz to 400.00Hz 6.00Hz

*Sn-19 must be set to 1.

Note: An- setting/reading units differ according to operator display mode (Cn-20) set values. The factory setting is 0.01Hz.

--50--

7.2 CONSTANTS CHANGE WHILE RUNNING

bn- .

Set values of bn- can be changed or read while running in DRIVE mode.

List of bn- constants

bn-

01 Acceleration time 1 0.1s 0.0 to 6000.0s 10.0s

02* Deceleration time 1 0.1s 0.0 to 6000.0s 10.0s

03 Acceleration time 2 0.1s 0.0 to 6000.0s 10.0s

04 Deceleration time 2 0.1s 0.0 to 6000.0s 10.0s

05 Frequency reference gain 0.1% 0 to 1000.0% I00%

06 Frequency reference bias 1% -100 to 100% 0%

07 Torque compensation gain 0.1 0.0 to 9.9 1.0

08 Motor rated slip 0.1% 0.0 to 9.9% 0.0%

Data Name Unit Setting - Range

Factory Setting

09 Energy-saving level gain 1% 0 to 200% 80%

10

12 Not used

Monitor no. after turning ON power supply

11 Analog monitor gain 0.01 0.01 to 2.55 1.00

－

1 to 3 1

－

--51--

7.2 CONSTANT CHANGE WHILE RUNNING

(1) Acceleration Time 1 (bn-01)

Acceleration time 1 is enabled when the accel/decel time change command of multi-function terminals is “open”, or the accel/decel time change function is not provided for the multifunction terminals. The acceleration time, in which frequency reference goes from 0% to 100%, is set in units of 0.1 second.

(2) Deceleration Time 1 (bn-02)

Deceleration time 1 is enabled when the accel/decel time change command of multi-function terminals is “open”, or the accel/decel time change function is not provided for the multifunction terminals. The deceleration time, in which frequency reference goes from 100% to 0%, is set in units of 0.1 second.

(3) Acceleration Time 2 (bn-03)

Acceleration time 2 is enabled when the accel/decel time change command of multi-function terminals is “closed”. The acceleration time, in which frequency reference goes from 0% to 100%, is set in units of 0.1 second.

bn-

(Cont'd)

(4) Deceleration Time 2 (bn-04)

Deceleration time 2 is enabled when the accel/decel time change command of multi-function terminals is “closed”. The deceleration time, in which frequency reference goes from 100% to 0%, is set in units of 0.1 second.

(5) Frequency Reference Gain (bn-05)

The input level when frequency reference voltage is 10V is set in units of 1%. Examples are shown below.

(6) Frequency Reference Bias (bn-06)

The input level when frequency reference voltage is 0V is set in units of 1%.

< Example >

bn-05 = 50

1

○

a: bn-06 = 10

2

○

b: bn-06 = -10

INPUT LEVEL

%

bn-05

10

bn-06

(a)

bn-06

(b) -10

bn-06 is positive value

0

0V

bn-06 is negative value

10V

FREQUENCY REFERENCE

--52--

(7) Torque Compensation Gain (bn-07)

Torque compensation gain is set in units of 0.1.

(8) Motor Rated Slip (bn-08)

Motor Rated slip is set in units of 0.1%

TORQUE

Simplified speed control is performed without encoder (PG or TG).

f1

SMALL LOAD

f2

LARGE LOAD

With frequency offset f fluctuation due to load is reduced.

to f2, speed

1

When the output current of the inverter is larger than motor no-load current

(Cn-34), the output frequency of the inverter is compensated.

The amount of frequency compensation is determined by the formula below.

The maximum voltage frequency (Cn-04) is 100%.

LOAD TORQUE

SPEED

If the output current is equal to the motor rated current (Cn-09), the output

frequency is compensated for by the motor rated slip (bn-08).

If frequency reference is equal to or smaller than minimum output frequency

(Cn-07) or motor is in a regeneration mode, slip compensation is not performed.

The amount of output frequency compensation in a constant torque area and

a constant output area is shown in the figure below.

Amount of output frequency compensation =

motor rated slip

motor rated current

motor no-load

－

current

output

－

×

current

motor no-load

current

Cn-04xbn-08

bn-08

Cn-04

Cn-02

Motor rated current: Cn-09 Motor no-load current: Cn-34 Motor rated slip: bn-08

When 0.0 is set in bn-08, output frequency compensation is not performed.

--53--

7.2 CONSTANT CHANGE WHILE RUNNING

(9) Energy-saving Level Gain (bn-09)

Energy-saving level gain is set in units of 1%.

(10) Monitor No. after Turning ON Power Supply (bn-10)

Data to be monitored after turning ON power supply is selected with constant No. in the form of Un- .

1

○

Frequency reference

2

○

Output frequency

3

○

Output current

(11) Multi-function Analog Output (bn-11)

The multi-function analog output is set in the form of 10V × XX.

<Example> When 5V is set as the 100% level, specify bn-11=0.5.

(12) Calibrating Meter

Multi-function analog output.

bn-

(Cont'd)

When bn-11 is displayed in PRGM mode, a 100%-Ievel voltage is output by the set value of bn-11.

Multi-function Analog Output The item to be monitored is selected by 4th digit of Sn-05 or 2nd digit of Sn-09.

10.0V × bn-11

Diagram of Multi-function Analog Output

Terminal 21

--54--

7.3 SYSTEM CONSTANTS

Sn-

System Constants List (1/5)

Factory Setting

Function

Setting Constant

Operator Status

Operation Mode Selection 1

Data Name Description

4th Digit

3rd Digit

01 Inverter Capacity Inverter capacity selection ——*1 Basic

02 V/f V/f pattern selection 01

Display of Operator

03

Constants Initialization

Operation Method Selection

04

0000

0101

1110

1111

Master frequency reference by analog input of control circuit terminals 13, 14

Master frequency reference from keypad

Control circuit terminal operation effective

Keypad operation reference effective

RAMP stop 0 0

Setting and reading of An- , bn- , Sn- , Cn- enabled

Setting and reading of An- : reading of bn- , Sn- , Cn- enabled

Constants initialization (Multi-function terminals are preset prior to shipping) *2

Constants initialization (For multi-function terminals, refer to Table of *2)

4th

3rd

Digit

－－－

－－－－－－－

2nd

Digit

0

1

－－

1st

Digit

0

1

－－

0000

0011

1st Digit

2nd Digit

Operation Mode Selection 2

Stopping Method Selection

Priority of Stopping

REV RUN Prohibit

05

Control Input Scan

Analog Monitor Output

Coast to stop 0 1

Full-range DC injection braking stop 1 0

Coast to stop (timer function provided) 1 1

STOP key effective during operation from control terminal.

STOP key ineffective during operation from control terminal.

REV RUN enabled

REV RUN disabled

Control inputs are scanned twice before being accepted by MPU.

Control inputs are scanned once before being accepted by MPU.

Selection of item to be analog output (terminals 21,22) *3

－－－

－－－－

－

－－－

0

－－－

1

--55--

0

1

－－－－－－

0

1

－－

0

1

－－

0000

Function

Sn-

System Constants List (2/5)

Data Name Description

Factory

Setting

4th Digit

3rd Digit

2nd Digit

1st Digit

4th

Digit

3rd

Digit

2nd

Digit

1st

Digit

Operation Mode Selection 3

Operation Mode Selection 4 (Overtorque Detection)

S-curve at Accel / Decel Time

06

Input Reference

Processing When Frequency Reference is Missing

Overtorque

07

Detection

0.2 second S-curve

No S-curve

S-curve 0.5 second

S-curve 1.0 second

Response to master frequency reference: 0 to 100% at 0 to 10V (4 to 20mA)

Response to master frequency reference: 0 to 100% at 10 to 0V (20 to 4mA)

Stop by reference input 0

Operation to continue with 80% of frequency reference

Overtorque detection disabled

Overtorque detection enabled

Enabled only if at agreed frequency

Enabled during operation (except during DC injection)

Operation continued after overtorque is detected

Coasts to stop if overtorque is detected

－－－－－－－－

－

－－－－－－－－

－－

－

0

1

－－－

1

0

1

0 0

0 1

1 0

1 1

－－

0

1

－－

0000

0

1

－

0000

Operation Mode Selection 5

Priority of Frequency Reference (When input option card is used)

Priority of Run Command (When input

08

option card is used)

Stopping Method Selection at Communication Interface Card (SC-C) Communication Error

Not used 0

Frequency reference is from option card (if installed)

Frequency reference is from inverter

Run command is from option card (if installed)

Run command is from inverter

Ramp stop (decel time: bn-02) 0 0

Coast to stop 0 1

Ramp stop (decel time: bn-04) 1 0

Operation to continue 1 1

－－－

－－

--56--

－－－

0

1

－－－－－－－－

0

1

－

0100

7.3 SYSTEM CONSTANTS

Sn-

Function

Data Name Description

Sn-

(Cont’d)

System Constants List (3/5)

4th

Digit

3rd

Digit

2nd

Digit

1st

Digit

Factory

Setting

4th Digit

3rd Digit

2nd Digit

1st Digit

Operation Mode Selection 6

Protective Characteristic Selection 1 (Stall Prevention)

Protective Characteristic Selection 2

Analog Output Selection Method

09

Analog Monitor Selection

——— ——— 0 0

10 Stall Prevention

DB Resistor

Fault Contact during Auto Reset/Restart

11

Operation

Analog output (terminals 21-22) depends on Sn-05 4th digit and Sn-09 2nd digit

Analog output (terminals 21-22) is set by communication interface card (SC-C)

Analog output (terminals 21-22) *3

Stall prevention during acceleration enabled

Stall prevention during acceleration disabled

Stall prevention during deceleration enabled

Stall prevention during deceleration disabled

Stall prevention during running enabled

Stall prevention during running disabled

Decel time during stall prevention: “DECEL TIME 1” (bn-02 set value)

Decel time during stall prevention: “DECEL TIME 2” (bn-04 set value)

No. DB protection calculated or provided by inverter

Protection provided for TECO DB resistor only, if installed

Fault contact is not energized during auto reset/restart operation

Fault contact is energized during auto reset/restart operation

Operation stopped by momentary power loss detection

Operation continues after momentary power loss

－－－

－－－－

－－－－－－－－－－－－

0

1

－－－

－－

－

0

1

－－－

0

1

0

1

－－

0

1

－－－－

0

1

－－

0

1

－－

0

1

－－

0

1

－

0000

——— Not used 0

--57--

－－－

7.3 SYSTEM CONSTANTS

Sn-

Function

Data Name Description

Sn-

(Cont’d)

System Constants List (4/5)

4th

Digit

3rd

Digit

2nd

Digit

1st

Digit

Factory

Setting

4th Digit

3rd Digit

2nd Digit

1st Digit

Protective Characteristic Selection 3

Protective Characteristic Selection 4

Protective Characteristic Selection 5

External Fault Signal Level

Receiving External Fault Signal

12

Processing at External Fault Detection

13 Not used ——— — — — — ——

Motor Protection (Electronic Thermal)

14

Inverter Protection (Electronic Thermal) *4

External fault input: NO-contact input

External fault input: NC-contact input

External fault signal: Always detected

External fault signal: Detected during running only

Ramp stop (major fault) 0 0

Coast to stop (major fault) 0 1

Ramp stop (major fault): ramp stop (bn-04 set value)

Operation to continue (minor fault) 1 1

Electronic thermal motor protection effective

Electronic thermal motor protection ineffective

Electronic thermal characteristics are in accordance with standard motor

Electronic thermal characteristics are in accordance with constant torque motor

Electronic thermal time constants are standard

Electronic thermal time constants are short-time rated

Inverter Protection OL: 103% continuous,

150% for one minute

Inverter Protection OL: 113% continuous,

123% for one minute

－－－－－－－－

－－

1 0

－－－

－－

－

0

－

1

－－－

0

－－－

1

0

1

－－－－

－－

0

1

－－

0

1

－

0100

0

1

－

0000

--58--

7.3 SYSTEM CONSTANTS

Sn-

Function

Contact Input

Multi-function Selection

Signal

Analog Input

Output Signal

15

16

17

18

19

20

21

22

25 Not used —— —— ——

26 Not used —— —— ——

Data Name Description

Set Data

Terminal 5 Function

Terminal 6 Function

Terminal 7 Function

Terminal 8 Function

Multi-function Analog Input

Multi-function Output 1

Multi-function Output 2

Multi-function Output 3

00 - FF

00 - FF Selects multi-function analog input (terminal 16) function 00

00 - FF

Sn-

(Cont’d)

System Constants List (5/5)

Selects terminal 5 function (factory preset for multi-step speed reference 1)

Selects terminal 6 function (factory preset for multi-step speed reference 2)

Selects terminal 7 function (factory preset for jog frequency reference)

Selects terminal 8 function (factory preset for internal baseblock by NO contact input)

Selects multi-function contact output (terminals 9, 10) function (factory preset for during running)

Selects multi-function open collector (terminal 25) function (factory preset for zero speed)

Selects multi-function open collector (terminal 26) function (factory preset for agreed frequency)

4th

Digit

3rd

Digit

2nd

Digit

1st

Digit

Factory

Setting

4th Digit

3rd Digit

2nd Digit

03

04

06

08

00

01

02

1st Digit

Option Card Function Selection

－

Pulse Monitor Card PM-C (Number of Output Pulses)

27

F: Inverter

Output Frequency

28 Not used —— —— ——

X1 of inverter output frequency (1F) 0 0 0

X6 of inverter output frequency (6F) 0 0 1

X10 of inverter output frequency (10F) 0 1 0

X12 of inverter output frequency (12F) 0 1 1

X36 of inverter output frequency (36F) 1 0 0

－

001－

－－－

--59--

*1 Differs according to inverter capacity. *2 Initialization (Sn-03 = 1110, 1111)

After depressing the ENTER key, input the initial value of An- , bn- , Sn- , Cn- , (except Sn-01,Sn-02) into NV-RAM. When the value is written in without an error, is displayed. When the value is written in with an error, is displayed. The values of Sn-15 to -18 differ as follows between initializations with Sn-03 = 1110 and with Sn-03 = 1111.

Multi-function

Terminal

Terminal 5 (Sn-15) 3* (Multi-step speed command 1) 0 (FWD/REV run select)

Terminal 6 (Sn-16) 4* (Multi-step speed command 2) 3 (Multi-step speed reference 1)

Terminal 7 (Sn-17) 6* (Jog frequency reference) 4 (Multi-step speed reference 2)

Terminal 8 (Sn-18) 8* (External baseblock command) 6 (Jog frequency reference)

* Values have been factory-set.

*3 Setting of Sn-05 4th digit and Sn-09 2nd digit.

Sn-05

4th Digit

0 0

1 0

0 1

1 1

*4 Effective only for inverter models of capacity 230V 40HP (30kW) or more, 460V 75HP (55kW) or more.

Sn-09

2nd Digit

1110

(2 Wire Sequence)

Output analog signal proportional to inverter output frequency.

(Max. frequency/100%)

Output analog signal proportional to inverter output current.

(Rated current/100%)

Output analog signal proportional to inverter output voltage reference.

(Cn-01/100%)

Output analog signal proportional to inverter output power.

(Max. applicable motor capacity/100%)

1111

(3 Wire Sequence)

Description

--60--

▓ Inverter Capacity Selection Sn-01

Inverter capacity has been preset at the factory. However, if a spare control board is used, reset the inverter capacity referring to the table below. Control constant Cn- factory setting values (initial values) differ according to Sn-01 setting.

230V Class

Inverter Capacity Selection

Data of Sn-01

Name

Inverter rating HP 0.5 1 2 3 5 7.5 10 15

Inverter rated capacity kVA 1.4 2.1 2.7 4.1 6.9 10.3 13.7 20.6

00 01 02 03 04 05 06 07

Max. applicable motor capacity HP (kW)

Inverter rated current A 3.2 4.8 6.4 9.6 16 24 32 48

Cn-09 Motor rated current A 1.9 3.4 6.1 8.7 13.5 20.1 25.1 36.7

Cn-23

Cn-24

Cn-25

Cn-31

Cn-32

Factory Setting

Cn-33

Cn-37

Carrier frequency upper limit kHz

Carrier frequency lower limit kHz

Carrier frequency proportional gain

Motor phase-to-phase resistance Ω

Torque compensation iron loss W

Torque compensation limit V

Momentary power loss assurance time s

0.5

(0.4) 1 (0.75) 2 (1.5) 3 (2.2) 5 (3.7)

15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0

0 0 0 0 0 0 0 0

11.760 5.732 2.407 1.583 0.684 0.444 0.288 0.159

48 64 108 142 208 252 285 370

50 50 50 50 50 50 50 50

0.7 1.0 1.0 1.0 2.0 2.0 2.0 2.0

7.5

(5.5)

10

(7.5)

15

(11)

Cn-40 Minimum baseblock time s 0.5 0.5 0.5 0.5 0.5 0.7 0.7 0.7

Cn-41 V/f during speed search % 100 100 100 100 100 100 100 100

--61--

7.3 SYSTEM CONSTANTS Sn- (Cont’d)

Inverter Capacity Selection

230V Class

Data of Sn-01

Name

Inverter rating HP 20 25 30 40 50 60 75 100

Inverter rated capacity kVA 27.4 34 41 54 68 78 95 130

Max. applicable motor capacity HP (kW)

Inverter rated current A 64 80 96 130 160 183 224 300

Cn-09 Motor rated current A 50.3 62.9 72.9 96.7 124 143.5 183.5 230

08 09 0A 0B 0C 0D 0E 0F

20

25

30

(15)

(18.5)

(22)

40

(30)

50

(37)

60

(45)

75

(55)

100

(75)

Cn-23

Cn-24

Cn-25

Cn-31

Cn-32

Factory Setting

Cn-33

Cn-37

Cn-40 Minimum baseblock time s 0.7 1.0 1.0 1.0 1.0 1.0 1.0 1.0

Cn-41 V/f during speed search % 100 100 100 80 80 80 80 80

Carrier frequency upper limit kHz

Carrier frequency lower limit kHz

Carrier frequency proportional gain

Motor phase-to-phase resistance Ω

Torque compensation iron loss W

Torque compensation limit V

Momentary power loss assurance time s

15.0 15.0 15.0 10.0 10.0 10.0 10.0 10.0

0 0 0 36 36 36 36 36

0.109 0.077 0.060 0.041 0.033 0.028 0.019 0.007

471 425 582 536 641 737 790 1800

50 50 50 50 50 50 50 50

2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0

--62--

Inverter Capacity Selection

460V Class

Data of Sn-01

Name

Inverter rating HP 0.5 1 2 3 5 7.5 10 15 20 25 30

Inverter rated capacity kVA 1.4 2.1 3.4 4.1 6.9 10.3 13.7 20.6 27.4 34 41

20 21 22 23 24 25 26 27 28 29 2A

Max. applicable motor capacity HP (kW)

Inverter rated current A 1.6 2.6 4.0 4.8 8 12 16 24 32 40 48

Cn-09 Motor rated current A 1.0 1.7 2.9 4.0 6.8 10.0 12.6 18.6 24.8 31.1 36.3

Cn-23

Cn-24

Cn-25

Cn-31

Cn-32

Factory Setting

Cn-33

Cn-37

Carrier frequency upper limit kHz

Carrier frequency lower limit kHz

Carrier frequency proportional gain

Motor phase-to-phase resistance Ω

Torque compensation iron loss W

Torque compensation limit V

Momentary power loss assurance time s

0.5

(0.4) 1 (0.75) 2 (1.5) 3 (2.2) 5 (3.7)

15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0

0 0 0 0 0 0 0 0 0 0 0

22.929

47.02

48.1 63.9 108 142 208 252 285 370 471 425 582

100 100 100 100 100 100 100 100 100 100 100

1.0 1.0 1.0 1.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0

9.629 6.333 2.735 1.776 1.151 0.634 0.436 0.308 0.239

7.5

(5.5)

10

(7.5)

15

(11)

20

(15)

25

(18.5)

30

(22)

Cn-40 Minimum baseblock time s 0.5 0.5 0.5 0.5 0.5 0.7 0.7 0.7 1.0 1.0 1.0

Cn-41 V/f during speed search % 100 100 100 100 100 100 100 100 100 100 100

--63--

7.3 SYSTEM CONSTANTS Sn- (Cont’d)

Inverter Capacity Selection

460V Class

Data of Sn-01

Name

Inverter rating HP 40 50 60 75 100 125 150 175 215 250 350 450

Inverter rated capacity kVA 54 68 82 110 138 180 195 230 260 290 385 514

Max. applicable motor capacity HP (kW)

Inverter rated current A 64 80 96 128 165 192 224 270 300 340 450 600

Cn-09 Motor rated current A 48.7 59.0 70.5 88.0 114 143 175 206 235 290 348 465

2B 2C 2D 2E 2F 30 31 32 33 34 35 36

40

50

60

75

(30)

(37)

(45)

(55)

100

(75)

125

150

(110)

175

215

(160)

250

(185)

350

(264)

(330)

450

Cn-23

Cn-24

Cn-25

Cn-31

Cn-32

Factory Setting

Cn-33

Cn-37

Cn-40 Minimum baseblock time s 1.0 1.0 1.0 1.0 1.0 1.0 2.0 2.0 2.0 2.0 2.0 2.0

Cn-41 V/f during speed search % 100 100 100 80 80 80 80 80 80 80 80 80

Carrier frequency upper limit kHz

Carrier frequency lower limit kHz

Carrier frequency proportional gain

Motor phase-to-phase resistance Ω

Torque compensation iron loss W

Torque compensation limit V

Momentary power loss assurance time s

15.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 2.0 2.0 2.0

15.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 1.0 1.0 1.0

0 0 0 0 0 0 0 0 0 0 0 0

0.164 0.133 0.110 0.074 0.027 0.036 0.036 0.020 0.022 0.020 0.022 0.014

536 641 737 790 1800 2900 2900 2600 2500 2600 1850 3600

100 100 100 100 100 100 100 100 100 100 100 100

2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0

--64--

 V/f Pattern Selection Sn-02

V/f pattern is selected by the setting of Sn-02. When V/f pattern is selected, set input voltage of the inverter in Cn-01.

 Data ○0 - ○

E

(of Sn-02): Change disabled

 Data ○

(V/f patterns are shown on the following pages).

F

(of Sn-02): Change enabled

--65--

7.3 SYSTEM CONSTANTS

Sn-

(Cont’d)

V/f Pattern for 230V Class* 0.5 to 2 HP (0.4 to 1.5kW)

Specifications Sn-02 V/f PatternÉ Specifications Sn-02 V/f PatternÉ

50Hz

(V)

220

0

○

0

○

16 20 11 14

0 1.3 2.5 50

50Hz

(Hz)

Low

Starting

torque

High

Starting

torque

8

○

9

○

(V)

220

31

25 15 20 13 18

0 1.3 2.5 50

9

○

8

○

(H

z)

60Hz Saturation

60Hz

50Hz

General-purpose

Saturation

72Hz

Variable torque 1

50Hz

Variable torque 2

1

○

F

2

○

(V)

220

2

○

16 20 11 14

0 1.5 3 50 60

1

○

F

○

(Hz)

High Starting TorqueÚ

60Hz

Low

Starting

torque

High

Starting

torque

A

B

(V)

220

25 31 25 20 15 22 3 18

0 1.5 3 60

(V)

220

3

○

3

○

16 20 11 14

0 1.5 3 60 72

1.8 3.6

90Hz C

(

Hz)

220

16 20 11 14

(V)

4

○

5

○

(V)

220

55 39

11 13

9 11

0 1.3 25 50

5

○

4

○

(H

z)

120Hz D

220

39 20 20 14

(V)

B

○

A

○

(Hz)

C

○

0 1.5 3 60 90

(Hz)

D

○

0 1.5 3 60 120

3 6

(Hz)

Variable torque 3

Variable Torque Characteristics

60Hz

Variable torque 4

6

○

7

○

(V)

220

55 39

11 13

9 11

0 1.5 30 60

* For 460V class, 2 times voltage value shown in table above.

É

Consider the following items as conditions for selecting a V/f pattern. They must be suitable for: (1) The voltage and frequency characteristics of the motor. (2) The maximum rotation speed of the motor.

Ú

Select high starting torque only in the following conditions. Normally, this selection is not required. (1) The wiring distance is long [492ft (150m) and above]. (2) Voltage drop at startup is large. (3) AC reactor is inserted in the input or output of the inverter. (4) A motor smaller than the maximum applicable inverter is used.

Rated Output Operation (Machine tool)

7

○

6

○

(Hz

)

180Hz E

220

33 20 28 14

(V)

E

○

0 1.5 3 60 180

4.5 6

(Hz)

--66--

V/f Pattern of 230V Class* 3 to 60 HP (2.2 to 45kW)

Specifications Sn-02 V/f PatternÉ Specifications Sn-02 V/f PatternÉ

50Hz

(V)

220

0

○

0

○

16 11

0 1.3 2.5 50

50Hz

(Hz)

Low

Starting

torque

High

Starting

torque

8

○

9

○

(V)

220

25 28 20 22 15 13

0 1.3 2.5 50

9

○

8

○

(H

z)

60Hz Saturation

60Hz

50Hz

General-purpose

Saturation

72Hz

Variable torque 1

50Hz

Variable torque 2

1

○

F

2

○

(V)

220

2

○

16 11

0 1.5 3 50 60

High Starting TorqueÚ

1

○

F

○

(Hz)

60Hz

Low

Starting

torque

High

Starting

torque

A

B

(V)

220

25 28 20 22

20

14 13

0 1.5 3 60

(V)

220

3

○

3

○

16 11

0 1.5 3 60 72

1.8 3.6

90Hz C

(

Hz)

220

16 11

(V)

4

○

5

○

(V)

220

5

○

55 39

11 9

0 1.3 25 50

120Hz D

4

○

(H

z)

220

38 16 20 11

(V)

B

○

A

○

(Hz)

C

○

0 1.5 3 60 90

2.5 4.5 (Hz)

D

○

0 1.5 3 60 120

3 6

(Hz)

Variable torque 3

Variable Torque Characteristics

60Hz

Variable torque 4

6

○

7

○

(V)

220

55 39

11 9

0 1.5 30 60

* For 460V class, 2 times voltage value shown in table above.

É

Consider the following items as conditions for selecting a V/f pattern. They must be suitable for: (1) The voltage and frequency characteristics of the motor. (2) The maximum rotation speed of the motor.

Ú

Select high starting torque only in the following conditions. Normally, this selection is not required. (1) The wiring distance is long [492ft (150m) and above]. (2) Voltage drop at startup is large. (3) AC reactor is inserted in the input or output of the inverter. (4) A motor smaller than the maximum applicable inverter is used.

Rated Output Operation (Machine tool)

7

○

6

○

(Hz

)

180Hz E

220

33 16 28 11

(V)

E

○

0 1.5 3 60 180

4.5 6

(Hz)

--67--

7.3 SYSTEM CONSTANTS

Sn-

(Cont’d)

V/f Pattern of 230V Class* 75 and 100HP (55 and 75kW), (75 to 450HP for 460V class)

Specifications Sn-02 V/f PatternÉ Specifications Sn-02 V/f PatternÉ

(V)

9

○

8

○

0 1.3 2.5 50

(H

50Hz

(V)

220

0

○

14 8

0 1.3 2.5 50

50Hz

(Hz)

Low

Starting

torque

High

Starting

torque

8

○

9

○

220

25 20 13 11

z)

60Hz Saturation

60Hz

50Hz

General-purpose

Saturation

72Hz

Variable torque 1

50Hz

Variable torque 2

1

○

F

2

○

(V)

220

2

○

14 8

0 1.5 3 50 60

High Starting TorqueÚ

1

○

F

○

(Hz)

60Hz

Low

Starting

torque

High

Starting

torque

A

B

(V)

220

25 20

11

0 1.3 3 60

(V)

220

3

○

14 8

0 1.5 3 60 72

90Hz C

(

Hz)

220

14 8

(V)

4

○

5

○

(V)

220

5

○

55 38

10 8

0 1.3 25 50

120Hz D

4

○

(H

z)

220

14 8

(V)

B

○

A

○

(Hz)

C

○

0 1.5 3 60 90

(Hz)

D

○

0 1.5 3 60 120

(Hz)

Variable torque 3

Variable Torque Characteristics

60Hz

Variable torque 4

For 460V class, 2 times voltage value shown in table above.

*

Consider the following items as conditions for selecting a V/f pattern.

É

6

○

7

○

(V)

220

55 38

10 8

0 1.5 30 60

They must be suitable for: (1) The voltage and frequency characteristics of the motor. (2) The maximum rotation speed of the motor. Ú Select high starting torque only in the following conditions. Normally, this selection is not required. (1) The wiring distance is long [492ft (150m) and above]. (2) Voltage drop at startup is large. (3) AC reactor is inserted in the input or output of the inverter. (4) A motor smaller than the maximum applicable inverter is used. # Up to 100HP (75kW) for 230V class.

Rated Output Operation (Machine tool)

7

○

6

○

(Hz

)

180Hz E

220

(V)

14 8

E

○

0 1.5 3 60 180

(Hz)

--68--

 Operation Mode Selection 1 Sn-04

(1) 1st digit

1st digit = 0: Reference input from control circuit terminal 13 or 14 is the master speed frequency reference.

1st digit = 1: Frequency reference 1 (An-01) is the master speed frequency reference.

Note: For combination of multi-step speed operation, refer to pages 36 and 85.

(2) 2nd digit

2nd digit = 0: Run command from control circuit terminal is accepted.

2nd digit = 1: Run command from the digital operator is accepted.

Valid run command and frequency references differ as shown in the table below, depending on the combination of the 1st and 2nd digits.

CONSTANT

REFERENCE

Control

Terminal

Operator

Valid only when the inverter stops. (FWD run command, REV run command, and DC injection braking command are "open".)

Ä

FWD/REV run command is not accepted.

É

When the STOP key is depressed, processing differs as follows, depending on the setting of the 1st digit of Sn-05.

Ú

1st digit = 0: During running by signals from control circuit terminals, the STOP key from the operator is accepted.

If the STOP key is depressed, the inverter stops according to the setting of 3rd and 4th digits of Sn-04, while the STOP LED indicator blinks. This stop command is held within the inverter until both the FWD run command and REV run command of control circuit terminals become "open", or another frequency reference is selected in the multi-step speed command or jog frequency reference section.

1st digit=1: During running by signals from control circuit terminals, the STOP key from the operator is not accepted.

SYSTEM CONSTANTS 4

Master Speed Frequency Reference

FWD Run Command (Terminal 1)

REV Run Command (Terminal 2)

External Fault (Terminal 3)

Fault Reset (Terminal 4)

Command of Terminal 5

Command of Terminal 6

Command of Terminal 7

Command of Terminal 8

Aux. Input

Fault Contact Output

Multi-function Contact Output

Multi-function PHC Output

RUN Key × ×

JOG Key × ×

STOP Key

FWD/REV Key × ×

>/RESET Key

DRIVE/PRGM Key

REF LED Lit OFF Lit OFF

SEQ LED Lit Lit OFF OFF

Monitor display

(frequency reference selection)

(run command selection)

2nd digit 1st digit 2nd digit 1st digit 2nd digit 1st digit 2nd digit 1st digit

0 0 0 1 1 0 1 1

Control circuit

terminal 13, 14

○ ○ ○ ○ ○ ○ ○ ○

Ä

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○

Ú

Ä

Valid only when

inverter stopped

○ ○ ○ ○

An-01

Ä

Ú

Ä

Valid only when

inverter stopped

Control circuit

terminal 13, 14

Valid only when

inverter stopped

An-01

× ×

Ä

É

○ ○ ○ ○ ○ ○ ○ ○

Ä

É

Ä

Valid only when

inverter stopped

--69--

7.3 SYSTEM CONSTANTS

(

(3) 3rd digit, 4th digit

Stop method differs by the setting of 3rd and 4th digits as shown below.

1

Sn-

○

04 = 00 XX RAMP stop

OUTPUT FREQUENCY

RUN COMMAND

2

○

Sn-04 = 01 XX Coast to stop

Sn-

(stop method selection)

DC INJECTION BRAKING START FREQUENCY

Cn-10)

(Cont’d)

CLOSED

OPEN

DECELERATION TIME

DC INJECTION

DC Injection Braking time at Stopping (Cn-12)

OUTPUT FREQUENCY

RUN COMMAND

CLOSED

OPEN

WHEN STOP REFERENCE IS INPUT, INVERTER OUTPUT IS CUTOFF.

--70--

3

(

○

Sn-04 = 10 XX Full-range DC injection braking stop

DC injection braking time differs by the output frequency when stop command is input as shown below.

RUN COMMAND

OUTPUT FREQUENCY

CLOSED

OPEN

DC INJECTION BRAKING TIME

0.5s

CUTOFF OF INVERTER OUTPUT

DC INJECTION

Cn-12 x 10

DC INJECTION BRAKING TIME AT STOPPING

Cn-12)

○4

Sn-04 = 11 XX Coasting to a Stop (timer function provided)

10% SPEED 100% SPEED

OUTPUT FREQUENCY WHEN STOP REFERENCE IS INPUT

Once stop command is input, run command is disregarded during T

RUN COMMAND

OUTPUT FREQUENCY

CLOSED

OPEN

WHEN STOP REF. IS INPUT, INVERTER OUTPUT IS CUTOFF.

Time

T

1

DECELERATION TIME

T1 Time

OUTPUT FREQUENCY WHEN STOP REFERENCE IS INPUT.

100% SPEED

time.

1

--71--

7.3 SYSTEM CONSTANTS

Sn-

 Operation Mode Selection 2 Sn-05

(1) 1st digit

Select processing to be performed when the STOP key of the digital operator is depressed during running by control circuit terminals.

1st digit 0: During running by signals from control circuit terminals, the STOP key

from the digital operator is accepted. If the STOP key is depressed, the inverter stops according to the setting of the 3rd and 4th digits of Sn-04 while the STOP LED indicator blinks. This stop command is held within the inverter until both the FWD run command and REV run command of control circuit terminals become "open", or other frequency reference is selected in the multi-step speed command or jog frequency reference section.

1st digit 1: During running by signals from control circuit terminals, the STOP key

from the digital operator is not accepted.

(2) 2nd digit (REV run prohibited)

2nd digit = 0: REV run command from control circuit terminals or the digital

operator is accepted.

2nd digit = 1: REV run command from control circuit terminals or the digital

operator is not accepted.

(3) 3rd digit (selection of double scanning sequence command)

3rd digit = 0: Sequence command (control circuit terminals 1 to 8) is scanned

twice.

3rd digit = 1: Sequence command (control circuit terminals 1 to 8) is scanned

once.

(4) 4th digit (selection of the multi-function analog output)

Multi-function analog output (control circuit terminals 21, 22) output signal can be selected by Sn-05 4th digit and Sn-09 2nd digit.

(Cont’d)

Sn-05

4th Digit

0 0

1 0

0 1

1 1

Sn-09

2nd Digit

Description

Outputs analog signal proportional to inverter output frequency. (Max. frequency/100%)

Outputs analog signal proportional to inverter current. (Rated current/100%)

Outputs analog signal proportional to inverter output voltage reference. (Cn-01/100%)

Outputs analog signal proportional to inverter output power. (Max motor capacity/100%)

--72--

 Operation Mode Selection 3 Sn-06

ATIO

＊

ATIO

＊

(1) 1st digit, 2nd digit (S-curve selection of soft starter)

The S-curve characteristics of the soft starter depend on the setting of the 1st and 2nd digits as follows:

2nd digit 1st digit Contents

0

1

0

1

0

1

The S-curve characteristic is 0.2 second.

No S-curve characteristics.

The S-curve characteristic is 0.5 second.

The S-curve characteristic is 1 second.

FREQUENCY REF.

OUTPUT FREQUENCY

TIME

Note: S-curve characteristic time refers to the time from acceleration rate 0 to the time when a normal acceleration rate determined by a specified acceleration time is obtained.

(a) Time chart at FWD/REV run change with S-curve characteristic

The figure below shows the time chart at FWD/REV run change during deceleration and stop.

S-CURVE CHARACTERISTICS TIME (TSC)

FWD RUN COMMAND

REV RUN COMMAND

OUTPUT FREQUENCY

MIN. OUTPUT FREQUENCY (Cn-07)

: S-CURVE CHARACTERISTIC

＊ When 1st and 2nd digits are 00, no S-curve characteristic at completion

of deceleration.

ACCELERATI ON

DECELER-

N

ACCELERATION

--73--

MIN. OUTPUT FREQUENCY (Cn-07)

DC INJECTION BRAKING

START FREQUENCY

-

DC INJECTION BRAKING TIME AT STOPPING (Cn-12)

DECELER-

N

7.3 SYSTEM CONSTANTS

(b) The chart at FWD/REV run change without S-curve characteristic

The figure below shows the time chart at FWD/REV run change during deceleration and stop.

FWD RUN COMMAND

REV RUN COMMAND

OUTPUT FREQUENCY

ACCELERATI ON

MIN. OUTPUT FREQUENCY (Cn-07)

(2) 3rd digit (reverse characteristic selection)

The input characteristics of the master speed frequency reference depend on the set value as follows. For the reverse characteristic, only + input is valid.

3rd digit = 0: Normal characteristic (0-10V or 4-20mA/0-100%)

3rd digit = 1: Reverse characteristic (10-0V or 20-4mA/0-100%)

FREQUENCY REFERENCE

Sn-

ACCELERATION

(Cont’d)

DECELER-

MIN. OUTPUT FREQUENCY (Cn-07)

DC INJECTION BRAKINC

START FREQUENCY

100%

0%

4mA

20mA

CURRENT INPUT (TERMINAL 14)

100%

0%

0V 10V

VOLTAGE INPUT (TERMINAL 13)

DC INJECTION BRAKING TIME AT STOPPING (Cn-12)

-

3rd digit = 1 3rd digit = 0

DECELERATI ON

--74--

(3) 4th digit (operation selection when frequency reference is missing)

4th digit = 0: Normal operation (varies with change of reference)

4th digit = 1: Operation continues with 80% frequency.

When 4th digit = 1 is set, the current master speed frequency reference is compared at all times with the one that occurred 0.4 second before. When the current master speed frequency reference goes below 10% of the one that occurred 0.4 second before, operation continues with 80% (80% frequency) of the master speed frequency reference of the prior one. Consequently, the master speed frequency reference of the previous one (0.4 second before) is used as the current frequency reference.

In the following cases, this operation is released and the inverter returns to

normal operation:

 Master speed frequency reference exceeding 80% frequency is input.

 Stop reference is input.

 Reference is missing during operation at less than 5% of frequency.

FWD RUN COMMAND

MASTER SPEED FREQUENCY REFERENCE

0.4

sec.

INVERTER OUTPUT FREQUENCY

TIME CHART

80%

10%

0.4

sec.

80% OF FREQUENCY

--75--

7.3 SYSTEM CONSTANTS

Sn-

(Cont’d)

 Operation Mode Selection 4 Sn-07

Define the operation at overtorque detection. Overtorque is detected by the following

formula:

Inverter output current B overtorque detection level (Cn-26, Initial value: 160%)

(Detection time Cn-27, Initial value: 0.1 second, Hysteresis fixed at 10%)

(1) 1st digit

1st digit = 0: Overtorque is not detected.

1st digit = 1: Overtorque is detected.

(2) 2nd digit

2nd digit = 0: Overtorque is detected only during agreed frequency.

2nd digit = 1: Overtorque is detected during stop or during running except for DB.

(3) 3rd digit

3rd digit = 0: When overtorque is detected, blinks on the digital operator and

the operation continues.

3rd digit = 1: When overtorque is detected, is displayed on the digital

operator and the inverter output is shut OFF. Fault contact signal is output. (Treated as a fault).

MULTI-FUNCTION OUTPUT SIGNAL (OVERTORQUE DETECTION SIGNAL)

Setting either Sn-20 or 22 to “0B” enables signal to be output at overtorque detection.

MOTOR CURRENT

Cn-26

Cn-27

ON

HYSTERESIS 10%

TIME

ON

Cn-27

--76--

 Operation Mode Selection 5 Sn-08

(1) 1st digit (option/inverter change)

Specify whether option card or inverter frequency reference is used for operation.

1st digit = 0: Option card frequency reference is accepted.

1st digit = 1: Frequency reference from inverter control circuit terminals or the

digital operator is accepted.

(2) 2nd digit (run command option/inverter change)

Select whether operation is performed by the option card or inverter run command.

2nd digit = 0: Run command from option card received.

2nd digit = 1: Run command from inverter control circuit terminal or digital operator

received.

(3) 3rd digit, 4th digit (selection of stopping method at communication error detection)

Stopping method at communication error detection can be selected by communication interface card (SC-C).

4th digit 3rd digit Contents

0

1

0

1

0

1

Ramp stop by bn-02 (major fault)

Coast to stop (major fault)

Ramp stop by bn-04 (major fault)

Operation to continue (minor fault)

--77--

7.3 SYSTEM CONSTANT

Sn-

 Operation Mode Selection 6 Sn-09

(1) 1st digit (selection of analog output)

Multi-function analog output signal contents can be set either by the inverter or option card.

1st digit = 0: Output according to Sn-05 4th digit and Sn-09 2nd digit setting

contents.

1st digit = 1: Output according to contents set by communication interface card

(SC-C).

(1) 2nd digit (selection of multi-function analog output signal)

Multi-function analog output (control circuit terminals 21 - 22) output signal can be selected according to Sn-05 4th digit and Sn-09 2nd digit set value. Output signal level is set by bn-11.

(Cont’d)

Sn-05

4th Digit

0 0

1 0

0 1

1 1

Sn-09

2nd Digit

Description

Outputs analog signal proportional to inverter output frequency. (Max. frequency/100%)

Outputs analog signal proportional to inverter current. (Rated current/100%)

Outputs analog signal proportional to inverter output voltage reference. (Cn-01/100%)

Outputs analog signal proportional to inverter output power. (Max. applicable motor capacity/100%)

--78--

 Protective Characteristic Selection 1 Sn-10

(1) 1st digit (selection of stall prevention during acceleration)

1st digit = 0: Stall prevention during acceleration is enabled.

1st digit = 1: Stall prevention during acceleration is disabled.

The function of stall prevention during acceleration automatically extends acceleration according to load status (inverter output current), thus preventing the motor from stalling during acceleration. The stall prevention level during acceleration in a constant output area is reduced as follows:

Acceleration stall prevention level of = constant output field

acceleration stall prevention level (Cn-28) x

output frequency

When the 1st digit of Sn-10 is 1, the output frequency increases at the rate determined by acceleration time:

(2) 2nd digit (selection of stall prevention during deceleration)

2nd digit = 0: Stall prevention during deceleration is enabled.

2nd digit = 1: Stall prevention during deceleration is disabled.

The function of stall prevention during deceleration automatically extends deceleration time according to the magnitude of the main circuit DC voltage, thus preventing overvoltage during deceleration.

When the 2nd digit of Sn-10 is 1, the output frequency decreases at the rate determined by deceleration time. For positioning applications, specify "stall prevention during deceleration not provided" (2nd digit = 1) in order to obtain stopping accuracy. With large inertia loads, use a braking resistor to prevent overvoltage.

maximum voltage frequency (Cn-04)

--79--

7.3 SYSTEM CONSTANTS

(3) 3rd digit (stall prevention during running)

3rd digit = 0: Stall prevention during running is enabled.

3rd digit = 1: Stall prevention during running is disabled.

Stall prevention operation during running starts decelerating when the output current reaches 100ms or greater than the set value of Cn-30 during frequency coincidence (operation level of stall prevention during running). The inverter decelerates as long as the output current exceeds the set value of Cn-30 (operation level of stall prevention during running). When the output current goes below the set value, the inverter reaccelerates. The deceleration time selected in the 4th digit of Sn-10 is taken. Even during stall prevention while running, stall prevention during deceleration and stall prevention during acceleration are enabled.

DETECTION LEVEL OF STALL PREVENTION DURING RUNNING RETURN LEVEL

DETECTION TIME: 100 ms

(4) 4th digit (selection of deceleration time during stall prevention while running)

4th digit = 0: The inverter decelerates for the deceleration time specified in bn-02.

4th digit = 1: The inverter decelerates for the deceleration time specified in bn-04.

OUTPUT FREQUENCY

HYSTERESIS

INVERTER OUTPUT CURRENT

Sn-

2%

(Cont’d)

DECELERATION TIME

ACCELERATION TIME

STALL PREVENTION DURING RUNNING

--80--

 Protective Characteristic Selection 2 Sn-11

(1) 1st digit (existence of braking resistor)

1st digit = 0: Braking resistor protection not provided (braking resistor is not

protected from overheating).

1st digit = 1: Braking resistor protection provided (braking resistor is protected

from overheating).

On detecting overheating in the braking resistor, the inverter lights rH on the operator, shuts off inverter output, and outputs fault contacts. When braking contact failure (set value = D) is selected in the multi-function contact output, the pertinent multifunction contact output is output.

The following inverters can optionally accept braking resistors:

230V class: 5HP (3.7kW) or less

460V class: 3HP (2.2kW) or less

Notes:

1. Braking transistor operation level

Braking transistor operation levels depend on input voltage as shown below.

When the set value of Cn-01 is larger than the motor rated voltage, the

following problems may occur. (Set Cn-01 to match the motor rated voltage).

(a) The motor is excited excessively during deceleration and heated.

(b) The motor vibrates during deceleration.

(c) The motor is saturated during deceleration and the main circuit devices are

damaged.

Input Voltage (Cn-01) 0V Level BTR Level UV Level

Inverter Set value

LVH

Signal

Detection Return Detection Return Detection Return

230V Class 255 or less L 400 380 380 375 210 220

460V Class

2. Protection of braking transistor

The braking transistors are incorporated into the following models:

- 230V : 20HP (15kW) or smaller

- 460V : 20HP (15kW) or smaller to protect them.

On detecting a fault in the braking transistors, the inverter lights at the operator and shuts off the inverter output and braking transistor drive signal (BTA). It outputs fault contacts.

Set value≧400

Set value

＜400

L 800 760 760 750 420 440

H 700 660 660 650 420 440

--81--

7.3 SYSTEM CONSTANTS

(2) 2nd digit

(fault contact signal during auto reset/restart operation)

Sn-

(Cont’d)

2nd digit = 0: A fault contact signal is not output during auto reset/restart

operation.

2nd digit = 1: A fault contact signal is output during auto reset/restart operation.

(3) 3rd digit

(operation continued at momentary power loss)

3rd digit = 0: When momentary power loss is detected, undervoltage fault ( )

occurs and the inverter output is shut OFF.

3rd digit = 1: If momentary power loss time is within momentary power loss

ride-thru time (Cn-37), the operation continues after the momentary power loss. If the momentary power loss ride-thru time is exceeded, undervoltage fault ( ) occurs and the inverter output is shut OFF.

Notes:

1. When the 3rd digit = 1, be sure not to shut OFF the external sequence signal.

(e.g. FWD, REV)

2. For lifters, do not use this function. (the 3rd digit = 0)

 Protective Characteristic Selection 3 Sn-12

When an external fault signal of terminal 3 is input, is displayed and a fault contact signal is output immediately. The inverter stops according to the setting of the 3rd and 4th digits. The external fault signal is held within the inverter until a fault reset signal is input.

(1) 1st digit

1st digit = 0: NO contact input (when "closed", external fault operation is

1st digit = 1: NC contact input (when "open", external fault operation is

(2) 2nd digit

2nd digit = 0: External fault signals are always accepted.

2nd digit = 1: External fault signals are accepted only during running.

(3) 3rd digit, 4th digit

(level selection of external fault signal)

performed).

(acceptance of external fault signal)

(Not accepted during baseblock).

(selection of processing at external fault detection)

4th digit 3rd digit Contents

0

1

0

1

0

1

Ramp stop by bn-02 (major fault)

Coast to stop (major fault)

Ramp stop by bn-04 (major fault)

Operation to continue (minor fault)

--82--

 Protective Characteristic Selection 5 Sn-14

(1) 1st digit

1st digit = 0: Electronic thermal motor protection is enabled.

1st digit = 1: Electronic thermal motor protection is disabled.

(2) 2nd digit

2nd digit = 0: Electronic thermal characteristics are in accordance with reduced

2nd digit = 1: Electronic thermal characteristics are in accordance with constant

(3) 3rd digit

3rd digit = 1: Used for standard motor and special motor (standard ratings).

3rd digit = 1: Used for motors other than the above (short-time ratings).

(4) 4th digit

4th digit = 0: When inverter output current exceeds 103%, the inverter protection

4th digit = 1: When inverter output current exceeds 113%, the inverter protection

Note: This function is effective only for inverter models with capacity 40HP (30kW)

(motor protection)

(selection of electronic thermal characteristics)

torque motor (standard motor).

torque motor (special motor).

(electronic thermal time constant)

(selection of inverter protective characteristics)

electronic thermal characteristics start operating: Inverter protection ( ) operates at 150% for one minute to shut OFF inverter output.

electronic thermal characteristics start operating: Inverter protection ( ) operates at 123% for one minute to shut OFF inverter output.

or larger (230V class), and 75HP (55kW) or larger (460V class).

--83--

7.4 MULTI - FUNCTION CONTACT INPUT SELECTION

Select the set values shown below for Sn-15 to -18.

Terminal No. Sn-

Terminal 5 15

Terminal 6 16

Terminal 7 17

Terminal 8 18

Set

Value

Function Description

Sn-15 to -18

00 FWD / REV RUN selection

Operation signal selection

01

Local/Remote

Option / inverter reference

02

selection

03 Multi-step speed reference 1

04 Multi-step speed reference 2

05 Multi-step speed reference 3

Jog frequency reference

06

selection

07 Accel / decel time selection

External baseblock

08

(NO contact input)

Open: FWD run, set in Sn-15) terminal 1-run , Closed: REV run, selection.

Open: Operated according to setting of Sn-04

1st and 2nd digits.

Closed: Operated by frequency reference and run

command from digital operator.

Open: Operated by frequency reference from option

card.

Closed: Operated by frequency reference from the

inverter.

Combination of multi-step speed references 1 to 3 correspond to speed reference (master speed An-01) and speed references 2 to 8 (An-02 to 08). Refer to “SYSTEM CONSTANTS MULTI-STEP SPEED REFERENCE LIST”.

Closed: Jog frequency reference is selected.

Open: Accelerates/decelerates with ACCEL time 1

and DECEL time 1. (bn-01, bn-02 set values)

Closed: Accelerates/decelerates with ACCEL time 2

and DECEL time 2. (bn-03, bn-04 set values)

Closed: Inverter output is shut OFF.

(Frequency reference is held).

3-wire sequence mode (00

2-stop, 5 FWD / REV

External baseblock

09

(NC contact input)

Accel / decel speed prohibit

0A

command (HOLD command)

0B Inverter overheat alarm

Multi-function analog input

0C

enabled / disabled

0D to

Not used ——

0F

Open: Inverter output is shut OFF.

(Frequency reference is held).

Frequency reference is held. (SFS operation is stopped).

Closed: OH2 blinks on operator and operation

continues. (Mirror fault)

Closed: Multi-function analog input is enabled.

(terminal 16)

Open: Multi-function analog input is disabled.

(terminal 16)

--84--

Set

Value

10 UP command Closed: Output frequency increment

11 DOWN command Closed: Output frequency decrement

Function Description

12 FJOG command

13 RJOG command

14 to

Not used —

1F

20 to

External fault 1

2F

30 to

External fault 2

3F

40 to

External fault 3

4F

50 to

External fault 4

5F

DC injection braking

60

command (JOG with priority)

61 Search 1 Closed: Search from max frequency

62 Search 2 Closed: Search from set frequency

Closed: Forward log run

FWD LED lights. Display: 6Hz

Closed: Reverse jog run

Digital operator REV LED does not light.

Display: 6Hz

External fault signal input

Closed: DC injection braking applied when the

frequency output is less than the DC injection start frequency and the DC injection braking command is closed.

63 Energy-saving operation Closed: Energy-saving

64 Not used —

65 to

Not used —

FF

Setting error (OPE3) occurs by setting to Sn-15 to -18 in the following cases.

 When set values are not listed from smaller to the larger.  When more than two search references of set values 61, 62 and 64 are set

simultaneously.

When the following combination is set at Sn-15 to -18, set value fault (OPE3) occurs.

1. Set values are not in descending order.

2. More than two search commands of set values 61 and 62 are set.

3. UP/DOWN commands are not set simultaneously. (only one command can be set)

4. UP/DOWN and accel/decel prohibit commands are set simultaneously.

5. More than two set values except FF are set.

--85--

7.4 MULTI-FUNCTION CONTACT INPUT SELECTION

(1) FWD/REV run selection

When 0 is set in Sn-15, the mode becomes 3-wire sequence mode.

STOP

RUN

(2) Operation signal selection

Selection of operation signals is enabled only while the inverter is not running.

Open: The inverter operates according to the setting of 1st, 2nd digits.

Closed: The inverter operates by frequency reference and run command from

the digital operator.

< Example >

For local/remote mode selection, set Sn-04 = x x 00.

Open: Frequency reference and run command from control circuit terminals

are accepted.

Closed: Frequency reference and run command from the digital operator is

accepted.

(3) Option card/inverter reference selection

Specify which of the option cards or inverter references is used for operation. The option card/inverter selection is effective only while the inverter is not running.

Open: Option card frequency reference and operation signals are accepted.

Closed: Frequency reference and operation signals from the inverter control

circuit terminals or the digital operator are accepted.

(4) Selection of multi-step speed references 1 to 3 and jogging frequency

selection

Up to nine step speeds can be selected by combinations of multi-step speed references and jog frequencies.

(set values = 3 to 6)

(set value = 0)

1

RUN COMMAND (RUNS WHEN "CLOSED")

2

STOP COMMAND (STOPS WHEN "OPEN")

5

FWD/REV RUN SELECT

11

GA7200

"OPEN": FWD RUN "CLOSED": REV RUN

(set value = 1)

(set value = 2)

Sn-15 to -18

(Cont’d)

--86--

○: Closed ×: Open －: No relation

Jog

Frequency

Reference

Selection

× × × × Master speed frequency reference*

× × ×

× ×

×

○ －－－

* In operator mode (1st digit of Sn-04 is 1), frequency reference 1 (An-01) is enabled.

+ When the multi-function analog input is selected by functions other the frequency reference (Sn-19 = 0), frequency

reference 2 (An-02) becomes effective. When the multi-function analog input is not used, set F to the set value.

Multi-Step Reference

3 2 1

○ ○ ○ ○

○ ○ ○ ○ ○ ○ ○

× × Frequency reference 5 (An-05)

×

× Frequency reference 3 (An-03)

○

× Frequency reference 7 (An-07)

Auxiliary analog reference

Frequency reference 4 (An-04)

Frequency reference 6 (An-06)

Frequency reference 8 (An-08)

Jog frequency reference 3 (An-09)

Frequency Reference

 For multi-step speed operation with frequency reference from digital operator, perform the

following setting:

○1 Sn-04 = xxx1 → An-01 becomes effective. ○2 Sn-19 = 0F → An-02 becomes effective.

(5) Accel/decel time selection

(select value = 7)

Accel/decel time is switched when "closed". Switching is permitted even during acceleration or deceleration.

Open: The accel/decel time set by bn-01 and bn-02 is accepted.

Closed: The accel/decel time set by bn-03 and bn-04 is accepted.

(6) External baseblock

(set value = 8)

Baseblock is performed when "closed". External baseblock differs as follows depending on the input status of the run command:

 When an external baseblock signal is input during running, blinks on the

digital operator and inverter output is shut OFF. When the external baseblock signal disappears, the inverter restarts with the frequency reference at that time. The voltage returns to the set value in the voltage recovery time.

 When a stop signal is input and an external baseblock signal is input while the

inverter is decelerating, blinks on the digital operator, the inverter output is shut OFF, and the output frequency is set to 0Hz.

--87--

7.4 MULTI-FUNCTION CONTACT INPUT SELECTION

(7) External baseblock (set value =9)

Baseblock is performed when "open". All other operations are the same as when set value = 8.

(8) Accel/decel speed prohibit command (set value = A)

As long as accel/decel speed prohibit command is input, accel/decel speed is prohibited and the output frequency at that time is held. When stop command is input, accel/decel speed prohibit state is freed and the system enters stop state. The figure below shows a time chart.

Note: If the run command is input again after the stop command is input while the accel/decel prohibit command is input, the holding output frequency is stored unless the accel/decel prohibit command is released. Therefore, operation is performed at the stored output frequency. Also when the power supply is turned OFF in the accel/decel prohibit command input status, the holding output frequency is still stored.

(9) Inverter overheat alarm (set value = B)

(10) Auxiliary analog reference input (set value = C)

FWD RUN

ACCEL/DECEL SPEED PROHIBIT COMMAND

FREQUENCY REFERENCE

As long as an inverter overheat signal is input, blinks on the digital operator.

When this function is selected by the multi-function terminal, the function set in the multi-function analog input is subject to the following restrictions.

Open: Multi-function analog input is not accepted.

Closed: Multi-function analog input is accepted.

OUTPUT FREQUENCY

(Same operation as when F is set in Sn-19)

--88--

Sn-15 to -18

(Cont’d)

(11) UP command/DOWN command (set value = 10, 11)

Acceleration/deceleration is performed by inputting the UP/DOWN commands without changing frequency reference in the forward (reverse) run command input status and operation can be performed at a desired speed.

Set value = 10: UP command

Set value = 11: DOWN command

UP command Closed Open Open Closed

DOWN command Open Closed Open Closed

Status Accel Decel Hold Hold

The following time chart indicates when the UP/DOWN commands are used.

FWD RUN UP COMMAND DOWN COMMAND

UPPER LIMIT SPEED

LOWER LIMIT SPEED

OUTPUT FREQUENCY

U = UP (accel) status D = DOWN (decel) status H = HOLD (constant speed) status U1 = During clamp at upper limit speed even in UP status D1 = During clamp at lower limit speed even in DOWN status

--89--

7.4 MULTI-FUNCTION CONTACT INPUT SELECTION

Notes:

1. When the UP/DOWN commands are used, set Sn-04 1st digit (frequency reference selection) as shown below.

Set 1st digit = 0 without fail. Setting 1st digit = 1 disables the UP/DOWN commands.

2. When the UP/DOWN commands are selected, upper limit speed is set

disregarding frequency reference.

Upper limit speed = max. output freq. (Cn-02) × freq. reference lower limit

(Cn-14)

3. The largest value among minimum output frequency (Cn-07), frequency

reference lower limit (Cn-15) and main frequency reference input from control circuit terminal 13 or 14 is employed as lower limit speed.

4. By inputting the FWD/REV run commands, operation is started at the lower limit

speed even if the UP/DOWN command is not input.

When the power supply is turned OFF in the HOLD status, the held output frequency is stored. By inputting the FWD/REV run commands in the HOLD status continuously after the power supply is turned ON, operation is performed at the stored output frequency.

5. When the JOG run command is input during running by UP/DOWN commands,

the JOG run command has priority.

(12) FJOG command, RJOG command (set value = 12, 13)

Forward and reverse jog frequency operation is enabled.

Set value = 12 FJOG command: Forward run by jog frequency reference

(An-09) at closed.

Set value = 13 RJOG command: Reverse run by jog frequency reference

(An-09) at closed.

Notes:

Sn-15 to -18

(Cont’d)

1. When FJOG command or RJOG command is input during running, FJOG command or RJOG command has priority.

2. When both FJOG and RJOG commands are closed for 500ms or more, the inverter stops according to the stopping method selection (Sn-04).

3. FJOG or RJOG command can be set individually.

--90--

(13) External faults 1 to 4 (set values = 2X, 3X, 4X, 5X: X is O to F)

When external faults 1 to 4 are input, to is displayed on the digital operator, and the inverter operates according to combinations of four bits shown in the table below. The hexadecimal equivalent of combinations of four bits show below is set in the 1st digit of the setting value (2X, 3X, 4X, 5X) of external faults 1 to 4.

Bit No. 0 1

0

1

3,2

External fault input: NO - contact input

External fault signal: Always detected

Selection of processing at external fault detection

External fault input: NC - contact input

External fault signal: Detected during running only

00: Ramp to stop (major fault) 01: Coast to stop (major fault) 10: Ramp to stop by bn-04 (major fault) 11: Operation to continue (minor fault)

<Example> External fault 1 is set as follows.

: NO - contact input : Signal is always detected : Processing is coast to stop

Set value 24H

0 1 0 0

NO - contact input

Always detected

Coast to stop

The inverter operates differently as described below when experiencing major faults or minor faults. The digits in the error display to indicate the terminal numbers in which external faults 1 to 4 are set.

Major faults

If an external fault is input, the fault is displayed and the inverter stops according to process selection at external fault detection. Fault contact output relay is output immediately.

Minor faults

Fault display blinks only when external fault is input (the display is made for 0.5 second even when input is less than 0.5 second).

--91--

7.4 MULTI-FUNCTION CONTACT INPUT SELECTION

<Example> External faults 1 to 4 are set to multi-function terminals 1 to 4.

(Nos. of terminal 5 to 8)

No. of Fault

External Fault 1 Terminal 5 lights (holding) blinks External Fault 2 Terminal 6 lights (holding) blinks External Fault 3 Terminal 7 lights (holding) blinks External Fault 4 Terminal 8 lights (holding) blinks

Multi-function

Terminal

Additional Notes of External Faults:

1.External fault reset is enabled in baseblock status.

2. The following shows the priority order of process selection when more than one external fault is input.

Coast to stop > ramp stop by bn-04 > ramp stop by bn-02.

3. Fault retry is disabled when an external fault is input.

(1) DC injection braking command (set value = 60)

When DC braking command is input when the inverter stops, DC braking operation is performed. When operation signal or jog operation command is input, the DC braking operation is stopped and the operation is started. (Privileged operation)

DC INJECTION BRAKING COMMAND

OUTPUT FREQUENC

DC

DC INJECTION BRAKING START

Display on Digital Operator

(Major Fault) (Minor Fault)

Sn-15 to -18

DC INJECTION

(Cont’d)

─92─

(2) Search command (set value = 61,62)

To start the motor during coasting when commercial power supply/inverter changing operation is performed, the motor can be operated without tripping by using the speed search function.

Set value = 61: Speed search starts with the maximum frequency. Set value = 62: Speed search starts with the frequency reference value when

search command is input.

Search commands with set values of 61 and 62 cannot be set at the same time.

By inputting the run command with the search command “closed" during baseblock, speed search starts after shutting down the inverter output for the minimum baseblock time (Cn-40).

Speed search operation starts when inverter output current is larger than the set value of the speed search operation level (Cn-38). The frequency at which inverter output current is smaller is determined as the speed synchronous point: Re-acceleration/deceleration is performed in the set accel/decel time up to the set frequency.

The following shows the time chart where the speed search command is input.

FWD (REV)

SEARCH

MAX. FREQUENCY OR FREQUENCY REF. VALUE WHEN SEARCH COMMAND IS INPUT

OUTPUT

AGREED SPEED

MIN.

VOLTAGE AT

OUTPUT

SPEED

RETURN TO THE VOLTAGE AT

Notes:

1. In momentary power loss operation continuation mode, speed search

operation is performed beginning with current output frequency, regardless of the existence of search command. After completion of speed search, the operation is performed according to the run command.

─93─

ple o

7.4 MULTI-FUNCTION CONTACT INPUT SELECTION

2. Determine a sequence so that FWD/REV run command enters at the same

time or later than search command.

<Exam

f

RELAY

3. More than two search commands for set values of 61 and 62 cannot be set.

(12) Energy-saving operation command (set value = 63)

When energy-saving operation command is input, output voltage is reduced only during agreed frequency and energy-saving operation is performed. The output voltage during energy-saving operation command is the product of normal V/f (Cn-02 to Cn-08) and energy-saving gain (bn-09 initial value 80%). Output voltage attenuates and returns in voltage recovery time.

RELAY

SEARCH

FWD/REV RUN

Sn-15 to -18

(Cont’d)

FWD RUN

ENERGY-SAVING

OUTPUT

ACCELERATION

V/f (Cn-02 to

DECELERATION

Time Chart - When energy-saving operation command is input

─94─

7.5 MULTI-FUNCTION ANALOG INPUT SELECTION

Select the set values shown below for Sn-19.

Set value Function Remarks

00 AUX frequency reference* Used for MASTER/AUX frequency reference selection.

01 Frequency reference gain (F GAIN) Total gain: Internal gain (bn-05) x F GAIN

02 Frequency reference bias 1 (F BIAS 1) Total bias: Internal bias (bn-06) + F BIAS 1

03

04 Overtorque detection level Internal overtorque detection level (Cn-26) ineffective.

05 V BIAS É V BIAS addition after V/f conversion.

Frequency reference bias 2 (F BIAS 2)

(+ -)

Total bias: Internal bias (bn-06) + F BI AS 2

Sn-19

06 Accel/decel time reduction coefficient Accel/decel time varied by analog input.

07 DC braking current

08 Stall level during running

09 Frequency reference lower limit

0A Setting prohibit frequency 4

0B to 0F Not used (no function provided)

DC injection braking current varied by analog input. (10V/inverter rated current) Internal DC braking current setting (Cn-11) ineffective.

Stall level during running is set by analog input. Cn-30 becomes ineffective.

Frequency reference lower limit value is set by analog input. Either Cn-15 set value or analog input whichever is larger becomes effective.

Setting prohibit frequency is set. The fourth value in addition to frequency values set by Cn-16 to 18 can be set.

* Not to be used with An-02. É460 class: V BIAS value 0 to 200V Note: For combinations of multi-step speed references at set value = 00, refer to pages 85 and 86.

─95─

(

7.5 MULTI-FUNCTION ANALOG INPUT SELECTION

Multi-function Analog Input Characteristics

(1) Sn-19 = 0 (2) Sn-19 = 1

100%

FREQUENCY REF.

0%

0V

MULTI-FUNCTION ANALOG INPUT

10V

F GAIN

(3) Sn-19 = 2 (4) Sn-19 = 3

10%

F BIAS 1

0%

0V

MULTI-FUNCTION ANALOG INPUT

10V

F BIAS 2

(5) Sn-19 = 4 (6) Sn-19 = 5

OVERTORQUE DETECTION LEVEL

200%

0%

0V

MULTI-FUNCTION ANALOG INPUT

V BIAS

10V

(7) Sn-19 = 6 (8) Sn-19 = 7

2.00

1.00

10%

0%

-10%

100V

0V

Sn-19

0V

MULTI-FUNCTION ANALOG INPUT

0V

MULTI-FUNCTION ANALOG INPUT

(Cont’d)

5V

10V

5V

10V

REDUCTION COEFFICIENT

10

1 0V

1V MULTI-FUNCTION ANALOG INPUT

10V

Actual accel/decel time =

DC INJECTION BRAKING CURRENT

Accel/decel time (bn-01 to -04)

100%

0%

0V

Reduction coefficient

(9) Sn-19 = 08 (10) Sn-19 = 09

STALL LEVEL DURING RUNNING

200%

30%

0V

MULTI-FUNCTION ANALOG INPUT

(11) Sn-19 = 0A

SETTING PROHIBIT FREQUENCY

Cn-02)

0V

MULTI-FUNCTION ANALOG INPUT

1.5V

10V

MAX. OUTPUT FREQUENCY

10V

FREQUENCY REFERENCE LOWER LIMIT

Cn-02)

0V

MULTI-FUNCTION ANALOG INPUT

MAX. OUTPUT FREQUENCY

MULTI-FUNCTION ANALOG INPUT

10V

─96─

7.6 MULTI-FUNCTION CONTACT OUTPUT SELECTION

Select the set values shown below for Sn-20 to -22. Contact output for 0.1 sec. while detecting signal.

Term inal No. SnControl circuit terminal 9, 10 (Contact output) 20 Control circuit terminal 25, 27 (Open collector output) 21 Control circuit terminal 26, 27 (Open collector output) 22

Set

Value

00 During running Closed: During running 01 Zero speed Closed: Zero speed

02 Agreed frequency

03 Agreed frequency setting

04 Frequency detection 05 Frequency detection 06 Inverter operation ready Closed: Inverter operation ready 07 During undervoltage detection Closed: During undervoltage detection 08 During baseblock Closed: During inverter output baseblock

09 Frequency reference mode

0A Control command

0B Overtorque detection Closed: During overtorque reference missing 0C Frequency reference missing Closed: While frequency reference missing

0D Braking resistor fault

0E Fault Closed: Fault (except CPF 00, CPF 01)

Name Signal Level (Closed)

Closed: -Cn-22 ≦ frequency ≦ +Cn-22 Closed: Set value 2 in agreed frequency status and (Cn-21-Cn-22)

Closed: Output frequency ≦ Cn-21 Closed: Output frequency ≧ Cn-21

Open: From control circuit terminal Closed: From operator

Description

Frequency ref. Output Frequency ref.

≦output frequency≦(Cn-21 +Cn-22)

Sn-20 to -22

0F Not used

─97─

－

CLOS

7.6 MULTI-FUNCTION CONTACT OUTPUT SELECTION

(1) Operation (set value = 0)

The operation contact is "closed" when FWD or REV run command is input, or the inverter outputs voltage.

(2) Zero-speed (set value = 1)

The zero-speed contact is "closed" when inverter output frequency is less than the minimum output frequency.

(3) Agreed frequency (set value = 2)

This is "closed" when output frequency is within the detection width shown in the figure below.

OUTPUT FREQUENCY

ED

FREQUENCY

Sn-20 to -22 (Cont'd)

(Frequency ref. -Cn-22) ≦ Output frequency ≦ (Frequency ref. + Cn-22) Cn-22: Agreed frequency detection width.

(4) Agreed frequency (Set value = 3)

This is "closed" when acceleration or deceleration is completed and output frequency is within the detection width shown in the figure below.

OUTPUT

AGREED

(Cn-21 -Cn-22) ≦ Output frequency ≦ Cn-21 +Cn-22) Cn-21: Agreed frequency point.

Cn-22: Agreed frequency detection width.

Cn-21

ED

─98─

OUTPU

(5) Frequency detection (set value = 4)

This contact is "closed" when output frequency is equal to or less than Cn-21, as shown in the figure below.

FREQUENCY

T

Cn-2

Output frequency ≦ Cn-21 Cn-21: Agreed frequency point.

Cn-22: Agreed frequency detection width.

(6) Frequency detection (set value = 5)

This contact is "closed" when output frequency is equal to or greater than Cn-21, as shown in the figure below.

FREQUENCY

T

Cn-2

Output frequency ≧ Cn-21 Cn-21: Agreed frequency point.

Cn-22: Agreed frequency detection width.

(7) Inverter operation ready (set value = 6)

This is "closed" when the inverter has become ready for operation.

(8) During undervoltage (UV) detection (set value = 7)

This contact remains "closed" as long as the inverter is detecting undervoltage.

(9) During baseblock (set value = 8)

This contact is always "closed" when inverter output is shut OFF.

(10) Frequency reference mode (set value = 9)

This contact is "closed" when the frequency reference mode from the operator is selected.

─99─

7.6 MULTI-FUNCTION CONTACT OUTPUT SELECTION

(11) Control command (set value = A)

This contact is "closed" when the control command from the keyboard is selected.

(12) Overtorque detection (set value = B)

This contact remains "closed" as long as the inverter is detecting overtorque. Set overtorque detection level in Cn-26 and set overtorque detection time in Cn-27.

(13) Frequency reference missing (set value = C)

This is "closed" when frequency reference missing is detected.

(14) Braking resistor fault (set value = D)

This is "closed" when the braking resistor is overheated or a fault is detected in the braking transistor.

(15) Fault (set value = E)

This contact is "closed" when the inverter detects a major fault. However, in the event of a fault in the watchdog (CPF00) or transmission between the mainframe and operator, the inverter is not operated.

(16) Not used (set value = F)

Multi-function contact output not used.

Sn-20 to -22 (Cont'd)

─100─

TECO-Westinghouse Motor GA7200 Operation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual