GE Industrial Solutions AF-300C User Manual

Urinves

GEK-85716A

TM Trademark of General Electric Company, U.S.A. These

lnsfwcfions

operation mainfenance. Should lurfherinformafion bo desired or should parficularprobloms arise which are not covered sullicienffy for the purchasers purposes, fhe

mafter should be

nol

purporf

coverall

referred to General

details

E!eclric Comwnv

vafialions

in equipment lo provide for

every possible

confingency

lo be

mef

connecficn with insfallafion

GE Drive Systems

SUPPLEMENT

FOR INSTRUCTION MANUAL GEK-85716A

These

instructions

during

installation, operation, and maintenance. Should further information be desired or should particularproblems arise that are not

covered sufJ?ciently for the purchaser’s purpose,

do not purport to cover all details or variations in equipment, nor to provide for evey possible contingency to be met

tlze

matter should be referred to GE Drive Systems, Salem, Virginia U.S.A.

This supplement contains additional information needed when installing and operating the

AF3OOC

series of inverters. Refer to the information of this supplement in addition to that contained in

GEK-

85716A for the figures, tables, and paragraphs listed in this supplement.

Figure

4-15.

Basic Connection Diagram

Figure S-12. Control Block Diagram

The 3-phase AC circuit breaker shown in these figures is incorrectly illustrated as three breakers. It is actually a single,

3-pole

breaker.

Table 5: Function Code Data Table 6: Function Code Descriptions

Function Code lb, Electronic Thermal Overload Protection, that is built in to the AF-300C series of inverters is factory set as Operational. If the user changes this to Non-Operational, conventional overload protection for the motor and wiring must then be provided by the user. Typical wiring for an overload relay is shown in figure 8-12 of GEK-85716A.

All inverter installations

must

meet the applicable na-

tional (NEC, CEC) and local electrical codes. It is the

system engineer’s responsibility to be certain that the

inverter installation complies with all applicable electrical codes. (If a system engineer is not involved, it is the user’s responsibility.)

(10/14/94)

Page 1 of 1

AF-300C

Inverter

40 to 300 HP

380/400-460

GEK-85716A

Issue Date: August 1994

VAC,

50/60

These instructions do not purport to cover all details or variations in equipment, nor to provide for every possible contingency to be met during installation, operation, and maintenance. Should further information be desired or should particular problems arise that not covered chaser’s purpose, the matter

This document contains proprietary information of General Electric Company, U.S.A. and Is furnished to its customers solely to assist that customer in the instaliatlon, testing, and/or maintenance of the equipment described. This document shall not be reproduced in whole or in part nor shall tents be disclosed to any third party without the written approval of GE Drive Systems, 1501 Roanoke Boulevard, Salem, Virginia 24153, U.S.A.

should

be referred to GE Drive Systems, Salem, Virginia, U.S.A.

sufficiently

for the pur-

tts

con-

Printed in the United States of America.

TABLE OF CONTENTS

Paae

2. DESCRIPTION, COMPONENT IDENTIFICATION,

SAFETY PRECAUTIONS

AND SPECIFICATIONS ........................................................................

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

General Description................................................................................

Inspection Items Upon Delivery ............................................................

Movement and Storage ..........................................................................

l-l

2-I

2-1 2-l

2-l

lnverter Components and Cooling ........................................................ 2-2

TABLE 1: AFSOOC lnverter Standard Specifications

AF300C AFSOOC

3. INSTALLATION GUIDELINES .............................................................. 3-l

lnverter Catalog Numbers

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

lnverter Options (inc. Line Reactors)

Installation Environment ........................................................................

Open Installation Mounting Clearance Enclosed Mounting Installation Guidelines

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

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

AFSOOC Dimensions ..............................................................................

4. WIRING PROCEDURES

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

Main Circuit Wiring ..................................................................................

Auxiliary Control Power Supply Connections

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

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

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

2-5

2-8

2-9

3-l

3-2

3-4

4-1

4-l

4-2

AC Line Reactor Connection ................................................................ 4-2

DC Reactor Connections ...................................................................... 4-2

Braking Unit and Braking Resistor Connections Ground Terminal Connections

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

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

4-3

4-8

Control Circuit Wiring ............................................................................ 4-6

TABLE 2: Terminal Identification/Function TABLE 3: Application of Wiring and Equipment

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

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

4-l 0

4-l 3

INVERTER

Before Applying AC Power Inspection

OPERATION ......................................................................

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

Keypad Panel Identification/Function ..................................................

TABLE 4: Keypad and Display Operation

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

Display Examples Chart ........................................................................ 5-4

Monitoring Control Signals and lnverter Output

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

Setting Function Codes.......................................................................... 5-6

Function of Reset Key After Changing Function Code Data

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

Fault Indication And Retrieval ................................................................ 5-6

Data Protection

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

Trial Keypad Operation (Optional) ........................................................ 5-9

Control Circuit Connection and Operation Actual Operation TABLE 5: Function Code Data

FUNCTION CODE DESCRIPTIONS ....................................................

.................................................................................... 5-l 5

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

.......................................... 5-l 1

TABLE 6: Function Code Descriptions ................................................

5-1

5-l 5-l 5-2

5-5 5-6 5-9

5-l 7

6-1

6-l

AF-300C

hverters

GEK-85716

TABLE OF CONTENTS

Section

10.

Title

MAINTENANCE AND INSPECTION

Megger Test ............................................................................................

Periodic Parts Replacement Inspection Items

Measurement Points and Meters ..........................................................

TROUBLESHOOTING ..........................................................................

TABLE 7: Fault Description and Operation TABLE 8: Fault Condition Display and Corrective Action..

WARRANTY PARTS AND SERVICE ....................................................

Warranty Coverage ................................................................................

Out-Of-Warranty Procedures ..................................................................

Motors ......................................................................................................

In-Warranty Failure Checklist ..................................................................

PARTS REPLACEMENT ......................................................................

TABLE 9: AF3OOC

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

lnverter Renewal Parts ..........................................

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*..*......

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

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

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

Paae

7-1

7-1 7-1

7-I

7-3

8-l 8-I

9-1

9-1 9-l

9-1

1 o-1

1 O-l

NOTES:

LIST OF FIGURES

Fiuure #

Figure 2-1. Figure 2-2.

Figure 2-3. Figure 2-4. Figure 2-5. Figure 2-6. Figure 3-1. Figure 3-2. Figure 3-3. Figure 4-1. Figure 4-2. Figure 4-3. Figure 4-4. Figure 4-5. Figure 4-6. Figure 4-7. Figure 4-8. Figure 4-9. Figure 4-10. Figure 4-l Figure 4-12. Figure 4-l 3. Figure 4-l 4. Figure Figure 4-l 6. Figure 4-l 7. Figure 4-l 8.

Figure 4-l 9.

Figure 4-20.

Figure 4-21.

Figure 4-22.

Figure 4-23.

Figure 4-24.

Figure 4-25.

4-l

Title

NAMEPLATE DATA IDENTIFICATION

TYPICAL INVERTER COMPONENTS ..........................................................

INVERTER COOLING METHODS ................................................................

KEYPAD PANEL COMPONENT IDENTIFICATION

104X220FA003,004 104X220FA005,006

INVERTER MOUNTING CLEARANCE ..........................................................

INVERTER ENCLOSURE MOUNTING ARRANGEMENTS ........................

INVERTER EXTERNAL DIMENSIONS TERMINAL

AC POWER CONNECTION ..........................................................................

AUXILIARY CONTROL POWER SUPPLY CONNECTIONS DC REACTOR CONNECTION

OUTPUT WIRING CONNECTIONS ..............................................................

BRAKING RESISTOR AND BRAKING UNIT CONNECTIONS

GROUND CONNECTIONS ............................................................................

CONTROL WIRE ROUTING ..........................................................................

FREQUENCY

FAULT RESET CONNECTION ......................................................................

EQUIVALENT CONTROL CIRCUIT FAULT OPEN COLLECTOR CONNECTION

SURGE SUPPRESSOR CONNECTION ......................................................

BASIC CONNECTION DIAGRAM OPERATION FROM KEYPAD REMOTE OPERATION WITH MOMENTARY CONTACTS REMOTE OPERATION WITH MOMENTARY CONTACTS

AND REVERSING CAPABILITY

REMOTE OPERATION WITH MAINTAINED CONTACTS

REMOTE OPERATION WITH MAINTAINED CONTACTS AND REVERSING CAPABILITY

REMOTE OPERATION WITH MAINTAINED CONTACTS

AND JOG FUNCTION ....................................................................................

REMOTE OPERATION WITH MAINTAINED CONTACTS

AND JOG FUNCTION WITH REVERSING CAPABILITY REMOTE OPERATION WITH MOMENTARY CONTACTS

AND AUTO/MANUAL OPERATION ..............................................................

REMOTE OPERATION WITH MOMENTARY CONTACTS AND REVERSING CAPABILITY AND AUTO/MANUAL OPERATION

REMOTE OPERATION WITH MAINTAINED CONTACTS

AND AUTO/MANUAL OPERATION ..............................................................

BLOCKS

RELAY

LINE REACTOR OUTLINE AND SCHEMATIC.. LINE REACTOR OUTLINE AND SCHEMATIC

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

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

SEl-TING/MONITORING

CONTACTS ..........................................................................

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

.......................................................... 2-l

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

........ 2-l 1

.......... 2-12

.......................................................... 3-3

........................ 4-2

.................... 44

TERMINAL CONNECTIONS

.............................................................. 4-8

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

................................................................ 4-l 5

.......................... 4-l 6

.................................................................... 4-l 6

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

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

............................ 4-l 9

........

........ 4-20

Pacle

2-2

2-3

2-4

3-l 3-2

4-I 4-2

4-2 4-3

4-6 4-6 4-7

4-8

4-8 4-8 4-9

4-l 5

4-l 7

4-17

4-l 8

4-20

4-21

. . . III

LIST OF FIGURES

Fiaure

Figure 4-26.

Figure

5-l.

Figure 5-2. Figure 5-3. Figure 5-4.

Figure 5-5.

Figure 5-6. Figure 5-7. Figure 5-6.

Figure 5-9. Figure 5-l 0. Figure 5-l 1. Figure 5-l 2. Figure 5-13. Figure

5-l

Title

REMOTE OPERATION WITH MAINTAINED CONTACTS

AND REVERSING CAPABILITY AND AUTO/MANUAL OPERATION ..........

KEYPAD PANEL COMPONENT IDENTIFICATION ...................................... 5-2

DISPLAY LED INDICATOR IDENTIFICATION ..............................................

FUNCTION CODE

FAULT INDICATIONS .................................................................................... 5-7

ELECTRIC MOTOR ROTATION ....................................................................

FACTORY CONNECTIONS .......................................................................... 5-I 1

EXAMPLE OF COMMONLY USED SIGNALS ..............................................

KEYPAD PANEL

KEYPAD PANEL “RUN” OPERATION EXAMPLE .......................................... 5-l 2

REMOTE OPERATION CONNECTIONS ...................................................... 5-I 3

REMOTE OPERATION EXAMPLE ................................................................ 5-14

MULTI-STEP FREQUENCY OPERATION CONNECTIONS ........................ 5-14

MULTI-STEP FREQUENCY ‘RUN” OPERATION EXAMPLE ........................ 5-15

MULTI-STEP ACCELERATION AND DECELERATION

OPERATION CONNECTIONS ...................................................................... 5-l 6

“06”

AND ‘07’ DATA ........................................................ 5-5

OPERATION CONNECTIONS .......................................... 5-12

Page

4-21

5-4

5-I

5-I I

Figure 5-15.

Figure

6-l.

Figure 7-1. Figure 7-2. Figure

6-I.

Figure 6-2. Figure 6-3. Figure 6-4. Figure 6-5. Figure 6-6. Figure 6-7. Figure 6-6. Figure 8-9. Figure 8-10.

MULTI-STEP ACCELERATION AND DECELERATION ‘RUN’

OPERATION EXAMPLE..................................................................................

AF900C

MAIN CIRCUIT MEGGER TEST CONNECTIONS ........................................ 7-l

MEASUREMENT LOCATIONS AND DEVICES EXAMPLE .......................... 7-3

MOTOR RUNS BUT SPEED DOES NOT CHANGE

TROUBLESHOOTING CHART ...................................................................... 8-5

MOTOR ROTATION IS NOT SMOOTH TROUBLESHOOTING CHART ...... 8-6

MOTOR OVERHEATS TROUBLESHOOTING CHART ................................ 8-6

INVERTER

CPU ABNORMAL TROUBLESHOOTING CHART ........................................ 8-7

EXTERNAL FAILURE TROUBLESHOOTING CHART .................................. 8-8

OVERCURRENT TROUBLESHOOTING CHART.......................................... 8-9

OVERVOLTAGE TROUBLESHOOTING CHART .......................................... 8-I 0

UNDERVOLTAGE TROUBLESHOOTING CHART ...................................... 8-10

OVERLOAD TROUBLESHOOTING CHART ................................................

FUNCTION

OVERHEATS TROUBLESHOOTING CHART ............................ 8-7

CODE

MAP.................................................................. 6-I 3

5-I

8-11

LIST OF FIGURES

Fiaure #

Figure

Figure S-13. Figure

Figure 8-15.

Figure 8-16. Figure Figure 6-18.

Table

TABLE 1:

8-l 1.

8-I 2.

8-I

8-l

Title

MOTOR STALLS DURING ACCELERATION

TROUBLESHOOTING CHART

CONTROL BLOCK DIAGRAM ......................................................................

INTERCONNECTION DIAGRAM - 40 HP INVERTERS

INTERCONNECTION DIAGRAM - 50 AND 60 HP INVERTERS ................

INTERCONNECTION DIAGRAM - 75 HP INVERTERS ..............................

INTERCONNECTION DIAGRAM - 100 AND 125 HP INVERTERS ............

INTERCONNECTION DIAGRAM - 150 HP INVERTERS ............................ 8-22

INTERCONNECTION DIAGRAM - 175 TO 300 HP INVERTERS ................

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

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

Pacre

8-11

8-12

8-14

8-16

8-I

S-20

8-24

LIST OF TABLES

AFSOOC

INVERTER STANDARD SPECIFICATIONS .................................. 2-5

Pacae

TABLE 2: TABLE 3: TABLE 4:

TABLE 5: TABLE 6: TABLE 7:

TABLE 8:

TABLE 9:

TERMINAL IDENTIFICATION/FUNCTION .................................................... 4-10

APPLICATION OF WIRING AND EQUIPMENT

KEYPAD AND

FUNCTION CODE DATA .............................................................................. 5-17

FUNCTION CODE DESCRIPTIONS ............................................................ 6-l

FAULT DESCRIPTION AND OPERATION .................................................... 8-l

FAULT CONDITION DISPLAY AND CORRECTIVE ACTION

AF-3OOC INVERTER

DISPLAYOPERATION ..........................................................

RENEWAL PARTS ......................................................

............................................ 4-13

5-2

...................... 8-3

1 O-l

AMOOC lnverters

GEK-85716

NOTES:

Af-300C lnverfers

SAFETY PRECAUTIONS

GEK-85718

WARNING, CAUTION AND NOTE LABELS PLACED ON THE EQUIPMENT

The following format is used on the safety and informative labels placed on the equipment. Read all labels and follow the directions on them whenever working on the equipment.

WARNING:

practices that may result in personal injury or loss of life if not correctly followed.

Denotes operating procedures and

WARNING labels will be red in color with black or white lettering.

CAUTION:

practices that, if not strictly observed, may result in damage to, or destruction of the equipment.

Denotes operating procedures and

CAUTION labels will be amber in color with black letterina.

NOTE:

especially significant in understanding and operating the equipment.

Notes call attention to information that is

WARNING - ELECTRICAL SHOCK AND

BURN HAZARD:

as oscilloscopes to work on live equipment, the

oscilloscope’s chassis should be grounded and a

differential amplifier input should be used. Care should be used in the selection of probes and

leads and in the adjustment of the oscilloscope so

that accurate readings may be made. See instrument

manufacturers instruction book for proper operatlon

and adjustments to the instrument.

WARNING - STRAIN HAZARD: improper

lift

trig

Lift only with adequate equipment and trained personnel.

WARNING

HAZARD:

mounting inverters in hazardous areas such as locations where flammable or combustible vapors or dusts are present. lnverters should be Installed away from motors suitable for use in these locations.

NOTE labels will be white in color with black

letterincr.

WARNING, CAUTION AND NOTE

PARAGRAPHS WITHIN THIS INSTRUCTION

The following paragraphs list some general safety reminders and safety recommendations to be followed when operating or installing this equipment. These safety precautions will be repeated throughout this instruction book where applicable.

WARNING -MECHANICAL MOTION

HAZARD:

motion. it is the responsibility of the user to insure that any such motion does not result in an unsafe condition. Factory provided Interlocks and operating limits should not be bypassed or modified.

inverter systems cause mechanical

WARNING- ELECTRICAL SHOCK

HAZARD:

enclosure houslngs should be grounded in accordance with the National other required standards.

WARNING- MOTOR OVERSPEED

HAZARD:

inverter for operation up to 400 Hz maximum output

frequency, the inverter is capable of running the

motor at up to 8 - 7 times its base speed. Never

operate the motor above its top mechanical speed or a catastrophic failure may occur. the inverter for a top frequency above the safe

mechanical speed for the motor. Consult factory

for any application exceeding 120 Hz.

WARNING - PERSONAL INJURY HAZARD:

Carry the inverter only by the body, not by the terminals or top cover. Equipment movement

should only be performed by trained personnel.

When using instruments such

practices can cause serious or fatal injury.

FIRE AND EXPLOSION

Fires or explosions might result from

hazardous

All

motor bases and equipment

Because it is possible to configure the

areas, even if used with

Electric

Never

Code or

configure

1-l

AF-300C

lnverters

GEK-85716

WARNING - BURN AND SHOCK HAZARD:

Shut off the AC power supply before making the output connections. Voltage may be present between the output terminals even though the verter Is stopped. Make sure that the “CHARGE LED indicator has gone out before making any output connections.

in-

WARNING - BURN AND SHOCK HAZARD:

Do not conduct any inspections until after disconnecting the power supply and after the “CHARGE” LED indicator on the inverter has gone out.

CAUTION: Do not connect power

output terminals

onlv to the power terminal; (Ll , L2,

CAUTION: Do not connect power

brakina resistor connection terminals short-circuit between P-N or P-DB terminals, and do not connect anv resistance with a resistance value less than the standard application brakina resistor.

CAUTION:

control circuit terminals (except 30A, B, Cl.

WARNING -MECHANICAL MOTION HAZARD:

Function Code 01 displays zero. If Function Code 13 or 15 contains a non-zero number, the motor will run when a RUN comand Is glven even If the frequency reference is zero.

When the frequency reference is zero,

CAUTION:

dotward) and REV-CM (reverse) terminals. Do not

use a contactor (for ON/OFFoperation) on the line side of the inverter for RUN and STOP.

CAUTION:

WARNING -MECHANICAL MOTION

HAZARD:

with the ‘Local/Remote” switch in the “Local” position, pressing the FWD or REV key will cause the motor to rotate. Any RUN permissives that may be wired to the FWD or REV terminals are ignored.

When running from the Keypad Panel

WARNING - PERSONAL INJURY HAZARD:

To prevent personal caused by equipment malfunction, only adequately trained persons should modify any programmable inverter.

Injury

or equipment damage

side of the inverter for ON/OFF operation.

CAUTION: The AC

KVA ratina should be Horsepower ratina of the invetter, but not areater than 500 greater than 500

reactor (optional; must be pruchased seperatelv) on

the line side of the inverter. A Line Reactor is also

required if an SCR Tvpe controller and/or Power Factor Correction Capacitors are used on the same power lines.

supplv

to the

(U,

Do not connect power

For RUN and STOP, use the FWD-CM

Do not use a contactor on the output

KVA.

If an AC

KVA

Connect power supply

L3).

SUPDIV

to the

(P, DB).

Supplv

is to be used, install a line

Power Transformer

treater

than 1.5 times the

SUPPIV

Power Transformer

Never

SUDPIV

to the

WARNING - FIRE HAZARD: Use

namic braking resistors that are provided by GE

Drive Systems. These are special resistors that have a thermal fuse built in that opens if the resistor gets too hot. This fuse should only open

If the DB transistor In the lnverter or DB unit fails short circuited. The resistor will need to be replaced if this happens.

CAUTION: When removinn or

handle them bv the connector onlv and not bv the wire itself. Be careful not to mix wires when recon-

nectina them.

CAUTION:

that exceeds the standard specification fluctuation permissible. lf excessive voltaae is applied to the invetter, damaae to the internal components will result.

Do not connect power

replacina

only’dy-

SUPPIV

voltage

wires,

voltaae

l-2

CAUTION:

output side of the invetter.

CAUTION:

ground wire connected.

CAUTION:

consult the TROUBLESHOOTING section of this

instruction book, and after correctina the problem, resume operation. Do not reset the fault alarm

automaticallv bv external seauence, etc.

CAUTION:

the inverter terminals or on the control circuit terminals.

Do not connect filter capacitors on the

Do not operate the inverter without the

If the inverter’s fault alarm is activated,

Do not perform a meaaer test between

AF-300C lnverfers

GEK-85718

CAUTION: Motor Thermal Overload protection

must be provided, either bv motor thermoswitch, external motor overload relav, or inverter electronic thermal overload.

CAUTION: Because the ambient temperature

oreatlv affects inverter life and reliabilitv, do not install

the inverter in anv location that exceeds the allowable temperature. Leave the ventilation cover attached for temperatures of 40 deqrees C or below, and remove the cover for temperatures between 40 and 56 dearees

C. If the cover needs to be removed, another of enclosure The inverter should not be operated when the ambient temperature is above 50 dearees C.

CAUTION:

densor

inverter will overheat and be damaoed due to harmonics.

CAUTION:

be kept as far awav as possible from the main power wirinq to prevent operational error due to noise interference. Never install both tvoes of wirino in the same duct or conduit. (A separation distance of 10 centimeters 14 inches1 or more is recommended.) If the control circuit wiring must cross the main power wir- inn, it should cross at a rioht anale (see Fiaure

may

be required for

Do not connect a phase advance con-

in the output wires. The

The control circuit terminal wirinn should

safetv

condenser

tvpe

purposes.

and

4-81.

CAUTION: Use shielded or twisted wire for the

control circuit wirina lwirina should be as short as

possible, i.e. 20 meters

outer coverino of the shielded wires to the inverter around terminal and leave the other end uncon-

nected, but taped.)

CAUTION:

relavs or solenoid tvpe coils, etc. that mav be close to

the inverter or used with the inverter.

NOTE: Always read the complete instructions prior to

applyingpoweror troubleshooting the equipmentand follow al/procedures step by step.

NOTE: The motor chassis should be grounded to earth ground through a separate ground lead from all other equipment ground leads to prevent noise coupling.

NOTE: Readandheedall WARNING, CAUTION, and

NOTE labels posted on the equipment.

Install a suppressor in parallel with any

165

feet1 or less). (Connect

NOTES;

1-3

AF-JOOC /wetters

GEK-85718

/VOTES:

l-4

AF-300C

DESCRIPTION, COMPONENT

Inverters

GEK-85716

IDENTIFICATION, AND SPECIFICATIONS,

GENERAL DESCRIPTION

The

AF-300CTM

versions (380-460 VAC @ 50Hz; 400-460 VAC @ 60 Hz). All of the inverters use two Processing Units’

to provide high performance in all applications.

General data and specifications for each individual inverter are listed on the nameplate attached to the inverter (see Figure 2-1 for nameplate example). See

TABLE 1 for a complete listing of all

specifications. lnverter operation and Function Code setting can be

performedfromthe“Keypad Panef’thatalsofeatures

an LED Data Monitor Display. Eleven Touch Keys and the LOCAL/REMOTE switch arefurnished on the Keypad Panel for operation and Function Code adjustment. Operation Monitoring, Function Code

Setting, Fault Monitoring, Data Protection, Reset, and

Mode Changeover can all be performed from the

Touch Panel. Operation Commands and Frequency

Setting Commands can also be entered from the Keypad Panel. (See Figure 2-4 for Keypad Panel component identification and function.)

TM - Trademark of General Electric Company, U.S.A.

inverter is available in 40 to 300 HP

18bit

“Central

(CPUs)

for multifunction processing

AFSOOC

inverter

INSPECTION ITEMS UPON DELIVERY

Upon receipt of the inverter, inspect equipment for the following items:

1. Check the nameplate to insure that the inverter specifications correspond to those ordered.

2. Inspect the unit for any damage that may have occurred during shipment.

-- lf

there are any problems or questions regarding the above, contact the distributor that the inverter was purchased from.

MOVEMENT AND STORAGE

WARNING - PERSONAL INJURY HAZARD:

Carry the inverter only by the body, not by the terminals or top cover. Equipment movement should only be performed by trained personnel.

For temporary storage after delivery, the following guidelines should be followed:

Ambienttemperature range in the storage area should be between -25 to

2. Leave inverter in its packing carton to avoid exposure to dust and potential damage.

Avoid placing the inverter directly on a concrete floor or in a location exposed to direct sunlight.

(Store on a stand or shelf.)

+65

degrees C.

Figure 2-1.

NAMEPLATE DATA IDENTIFICATION

2-l

AF-300C lnverfers

GEK-85716

4. Avoid storage in humid environments or in atmospheres that contain corrosive gases such

as sulferized gas, ammonia gas, or chlorine

gas.

NOTE:

lfrhe inverref is stored or insralledin a locarion

where construction work is still being done, keep the

inverfer prorecred from exposure until

it is to be placed in service.

water and dust

This pedastal should mount to the bottom of the inverter.

NOTE: inverrers

for ‘cooling inside

the

enclosure” is required,

repositioned (see Figure 2-3).

The mounting adapter, positioned at either the top or

bottom of the enclosure, must be located in accordance with the installation/cooling method.

With the “cooled outside the enclosure” method, the

INVERTER COMPONENTS AND COOLING

Refer to Figure 2-2 for identification and location of inverter components. There are two types of cooling methods depending on the installation method, “cooled inside control enclosure’ and Vooled outside control enclosure’ (see Figure 2-3).

cooling fan is mounted externally and approximately 60% of the total heat generated by the inverter is discharged outside the unit.

NOTE:

When the cooling fan is insralled ourside the control enclosure, it must be periodically cleaned (especially in dus& environments).

lnverters rated 200,250, and 300 HP can be mounted “Cooled Inside Control Enclosure”. However, a mounting pedastal will need to be constructed that can support the weight of the inverter.

Mounting Adaptor

are shipped

rhe

wirh

the adapter mounted

enclosure’. If *cooling outside

the

adapter must be

Control Cooling Fan Charge

Contactor

Keypad

Panel

AC Line .

Fuses (3)

Mounting Adaptor

Figure 2-2.

TYPICAL

INVERTER

COMPONENTS

Main Control Card

(Base Driver is integral

on this Card)

Control Circuit Terminal Board

Ground Fault Detection Card

Main Circuit

Terminal Board

2-2

lnverter Cooled Inside

The Control Enclosure

lnverter Cooled Outside

The Control Enclosure

t t

----

COOLING AIR

t t

COOLING AIR

MOUNTING AND

UFilNG

ADAPTER

Figure 2-3.

INVERTER

COOLING METHODS

MOUNTING AND LIFTING ADAPTER

AF-300C

Invetters

GEK-85716

FUNCTION

ED Selection Indicator

FAST

LOCAL

Figure

LED Indicator

three sections as follows:

Function Display - Displays in two digits the

selected Function Code number.

Data Display -

data, Function Code setting data, and the fault codes.

-The LED Indicator is made up of

Displays in four digits the operation

2-4. KEYPAD PANEL COMPONENT IDENTIFICATION

DATA

Unit Indicators

Unit Indicator - The LED on the left of each unit

symbol corresponds to the contents of the data display.

NOTE:

except W, W, and

All letters are displayed in upper case

UP.

Touch Kevs - There are eleven Touch Keys and the LOCAL/REMOTE switch that perform the following

functions: (See Section 5 for a description of each individual key.)

Function

Operation Monitoring Monitor the operation status of the inverter. Function Code Setting:

Fault Monitoring

Set Data Protection

Reset

Operation Mode Selection

Operation Commands

Frequency Setting Commands

Basic Function Codes Auxiliary Function Codes Set data required for control.

Calibration Function Codes Adjust output signals to match with instruments

Set data required for operation.

externally installed. Display and retrieval of the Fault Code and the

operating conditions at the time of the fault. Protect set data against accidental modification. Data reset at Function Code setting, reset to returr

to operation monitoring mode after completing the

setting, fault reset, and Error Displav Reset.

Switch for changing between “Local” and “Remote’

modes of operation.

Forward, Reverse, and Stop commands can entered in the “Local” mode.

Increase and decrease reference frequency commands can be entered in the “Local’ mode.

Description

2-4

AF-300C

lnwetiers

GEK-85718

TABLE 1: AF-300C

inverter HP (400460 VAC)

Standard Applicable

Motors460V (KW)

OUTPUT:

Rated Capacity-460V (KVA}

Rated Output Current46OV (Amps)I60

Rated Output Voltage (*2)

Rated Output Frequency (*3)

Overload Current Rating

POWER SUPPLY:

Rated input AC Voltage

Allowable Fluctuations

(*l)

INVERTER

50 60 75 100 125

37 45 55 75 90

57 69 65 75

3-Pk

%se,

50 - 120 Hertz Base Frequency

150% for 1 minute duration (inverse time characteristic)

3-Phase, 3-Wire Type, 400-460 VAC @ 60 Hertz, 380-460 VAC @ 50 Hertz

Voltage:

STANDARD SPECIFICATIONS

SPECIFIC

114 134

91 112 150 176

3-Wire Type, 400-460 VAC

+lO%,

-15%; Voltage Unbalance: Within 3%; Frequency: +/-5%

4TION

150 175 200 250 300

110 132 166 200 220

160 193 232 287 316

210 253 304 377 415

Control System

Output Frequency Range

CONTROL:

Frequency/Temperature Fluctuation (Stability)

Frequency Setting Resolution

Voltage/Frequency Characteristics w/F)

Torque Boost

Acceleration/Deceleration Chacteristics

Control Torque

(*3)

Sinusoidal Wave PWM With Flux Control

0.5 - 120 Hz (0.5 to 5.0 Hz start frequency; 50 to 120 Hz base frequency)

Analog Setting - Maximum frequency

Digital Setting - Maximum frequency +/-0.01% (at

Analog Setting - 0.1% (0,05Hz/50Hz) of maximum frequency

Digital Setting - 0.1 Hz (0.01 Hz/50Hz)

Voltage - 320-460

Base Frequency - 50 to 120 Hz voltage and frequency.)

21 selectable patterns plus energy conservation mode.

0.2 to 3600 seconds, four Accel/Decel time settings available. Three patterns available (Linear,

Standard: Regenerative Brake, (DC Link Pump-Up) DC injection Brake,

Optional: Dynamic Brake, 100% (5% Duty Cycle).

VAC (Adjustable independently for both

Starting Frequency of O-60 Hz at O-l 0 Seconds Time

+/-O-2%

‘s’

Curve, Logarithmic Curve)

(at

25oC, +/-1OoC)

-1OoC

O-10%

Voltage for

+5OoC)

(*I) Indicates rated capacity when rated output voltage is 440 VAC.

(9)

It is not possible for output voltage to exceed power supply voltage.

(*3) Consult distributor for operation above 120

Hertz.

2-5

AF-300C

lnverters GEK-85716

TABLE 1: AF-300C

ITEM

inverter HP (400-46OV)

CONTROL: (continued),

Torque Limit Control

Automatic Acceleration and

Deceration Operation

Slip Compensation Control Multi-Step Frequency Setting

Up-Down Control

Momentary Power Failure Restart inverter Bypass Logic Bias Frequency Setting (*4)

INVERTER

40 50 60 75 100 125 150 175 200 250 300

Output current can be limited within a range of approximately 30% to 150% (1% step).

Can be used to avoid DC Link overvoltage trips caused by motor

regeneration during deceleration. Maintains motor at constant speed with load fluctuations. Seven adjustable frequency presets can be selected via three external

contacts. External momentary contacts can be used to control frequency increase

decrease. After momentary power failure, automatic restart is possible. Allows switching the motor between the inverter and the power line. Magnitude of the bias added to the frequency reference signal can be set

from 0 to 100% (1% step).

STANDARD SPECIFICATIONS (continued)

SPECIFICATION

ant

Frequency Jump

Reversing Operation By Frequency Setting Signal Characteristics

Upper and Lower Limiters of Output Frequency

PFiOTECTiON/DETECTiON:

OPERATION:

Frequency Reference Signals

input Signals

Output Signals

Up to three resonant frequencies can be skipped. Width adjustable from

0 - 5 Hertz (IHz

Makes bipolar frequency reference input possible. (Reverse motor rotation by changing frequency reference voltage polarity, rather than by using REV-CM contact.)

Output frequency can be limited to a specified range (overiding frequency reference).

Stall Prevention, Overcurrent, Overvoltage, Undervoltage, instantaneous Power Failure, lnverter Overload, Motor Overload (electronic thermal action), External Failure (external thermal action), CPU Abnormal, Output Short Circuit, Ground Fault (for inverter protection only), and Input Surge.

Frequency Reference (Voltage Input): 0 to Current input: 4 to 20 Ma DC.

Forward Command, Reverse Command, Self-Holding Selection, Current Input Selection, Multi-Frequency Setting, Up-Down Control, Accel/Decel Selection, Free-Run Command, lnverter Bypass Command, Output Switch Interlock Selection, External Alarm input, Alarm Reset Input, and Ground

Protection

Contact Outputs:

Open Collector outputs:

Input.

step).

+/-lo

VDC (0 to +/-5VDC).

Power-Side (or Motor-Side) electromagnetic contact0

command, Fault Relay Output..

See Section 6, Function Code 45.

Tim<

(*4) Bias does not affect operation when frequency command comes from the Keypad Panel.

2-6

AF-300C

lnverfers

GEK-85718

TABLE 1: AF-300C

ITEM

lnverter HP (400-460 VAC)

INDICATION:

Frequency Meter Output

Touch Panel LED Operation:

ISetting:

Al-

LED Indication (charge light)

ENVIRONMENT:

Installation Location

INVERTER

40 50 60 75 100 125 150 175 200 250 300

Analog - 0 to Output Frequency, Set Frequency, Synchronous Speed, Output Current,

Output Voltage, Load Revolution Speed, and Presence of Input and Output Signals.

Indication of Function Code and Set Data (Refer to Function Code List).

OCI -

Deceleration, OC3 - Overcurrent During Constant Speed, OV LV - Undervoltage, Motor Overload, OH2 - External Failure, Err0 - CPU Abnormal or Failure, and Failure History (three previous failure indications).

Lights up when DC Link capacitors are charged (DC Link voltage is present),

Indoors, altitude of 3281 ft (1000 meters) or less, free of direct sunlight, corrosive gas, and dust. Motor wiring should be less than 66 feet, otherwise wire separation of 4 inches may be required.

STANDARD

+lO

VDC, Pulse Frequency - (6 to 100) x Output Frequency.

Overcurrent During Acceleration, OC2 - Overcurrent During

SPECfFlCATlONS

SPECIFICATION

OLl -

lnvener Overload, OH1 - lnverter Overheat,

(continued)

Overvoltage,

Ol2 -

Ambient Temperature

Humidity

Vibration Temperature During Transportation

APPROXIMATE WEIGHTS

Pounds Kilograms

-10 to

+5ooc

20 to 90% Relative Humidity (free of condensation).

0.5G or less.

-25 to

+6Y

95 95 221 221 221 276 331 419 419

30 35 43 43

100 100 100 125 150 190 190

2-7

AF-300C lnverters GEK-85718

TABLE 1: AF-300C INVERTER STANDARD SPECIFICATIONS (continued)

ITEM

lnverter HP (400460 VAC)

Efficiencv and Loss:

Loss

(w)

Efficiencv (%I Constant Torque Load:

Base Speed Full Load

0.75 Base Speed Full Load

0.5 Base Speed Full Load

0.25 Base Speed Full Load

Efficiencv (%I Pump or Fan:

0.8 Base Speed 64% Load

0.6 Base Speed 36% Load

0.4 Base Speed 16% Load

1280

1520 1800I2050

95.9 96.0

94.7 94.9

74.2 175.0 76.5

SPECIFICATION

96.3 96.6

87.9

95.8

95.4

95.3

94.4

94.9

74.8 77.7

95.3 95.5

79.4 79.6 78.4 79.3

95.8

79.9

AFSOOC Catalog Numbers

HP Rating

40 50 60 75

100 6VAF3431 OOC-- -(I)

(1) The two character

No dash or characters - inverter is not UL listed or CSA approved.

Al - lnverter is UL listed only. A2 - lnvener is UL listed and CSA approved.

positions

(41

)

VAC,

3=Phase, 50160

Cataloq

6VAF34304OC6VAF34305OC6VAF34306OC6VAF343075C--

No.

-(l)

following a dash in the catalog number designate the following:

2-8

Rating

125 150

200 250

300 6VAF3433OOG-

Hertz)

Cataloq No.

6VAF343125C-6VAF34315OC-6VAF3432OOC6VAF34325OC,

-(l)

AMOOC

lnverters

GEK-85718

INVERTER OPTIONS

Various options are available for the These options can be ordered from the supplier of the inverter per the GE Catalog Number shown on the chart within this paragraph. The General Electric Company ‘6v” catalog numbers are coded as shown in the following Examples:

Example: (Non-HP Related

6VKAAA3AANN*

6V - GE Drives Products Operation K - Option Kit

AAA -

Applicable Series (1,2, or 3 characters) 3 - AF-300 Family of invetters

AA -

Option Abreviation

NN - Option Size/Length (if applicable)

alphabetical character, N = Numerical char.

AFSOOC

Items)

Inverter.

NOTE: Option charts are divided into horsepower

relatedandnon-horsepowerrelateditems. Checkthe

horsepower of the inverter before ordering options to be sure the correct option is ordered.

Example: (HP Related

6VKA3NAANN*

6V - GE Drives Products Operation

K - Option Kit

AAA -

Applicable Series 3 - AF-300 Family of inverters N - Voltage

AA - Option Abreviation

NN - Horsepower Rating (2 or 3 characters)

Items1

AF-300C HORSEPOWER RELATED OPTIONS - Braking Units and Braking Resistors

(See Section 4 for recommended wiring.)

Horsepower Braklng Unit

6VKC34BU

Quantity Req. Braklng Resistor

6VKC34BR

Quantity Req. Capacity Resistance (Ohms)

NOTE:If the braking unit or resistor overheats, the thermal switch opens which turns off the braking unit

transistors and trips the inverter on an “OH2’ fault (provided thermal interlocks are wired correctly).

recommended braking unit and resistor combinations willprovide up to

duty cycle (maximum continuous ON time of braking unit is 60 seconds). *Total value, not for one resistor.

---

(KW)

40 50 60 75

050 050

1 1 1 1 1 1

040

050 060 075

3.6 4.8 6.0 7.2 9.6* 12.0* 14.4* 18.0* 19.2* 24.0” 28.8*

15 12

075 075 150 150

1 1

7.5 6.0* 5.0* 3.75* 3.33* 3.0* 2.5* 1.88”

100 125

050 060 2 2

150 175

150 175 150 150 150 1 1

075 060 050 060

100% braking torque with a maximum 5%

3 4

200 250 300

2 2 2

075

4 4

These

2-9

AF-300C NON-HORSEPOWER

Description

RS-422/485 Card

BCD Card Amps Signal Card Output Signal Card 6VKC3AC Pulse Tach Feedback Card

Catalog #

6VKC3RS 6VKC3BC 6VKC3AS

6VKC3TF

R&ATED

Description GE Catalan

Relay Unit 6VKC3RY Keypad Cable - 2M 6VKC3CBO2 Speed Potentiometer

RFI

OPTIONS

6VKC3SP

Reactor 6VKABC3RF

CAUTION:

the Inverter, but not greater than 10 times the HP ratinq of the lnverter or 500 KVA (whichever is oreater). If an AC Power Supplv Transformer qreater than this is to be used, install a Line Reactor (must be purchased

seperatelv] on the line side of the Inverter. A Line Reactor

factor correction capacitors are used on the same

The AC Power Suoplv Transformer KVA rating should be oreater than 1.5 times the HP ratino of

also required if an SCRtvpe controller and/or power

power

lines.

AC LINE REACTORS FOR

AF-300C INVERTERS (See Caution)

200 460 250 460 300 460

For input voltages other than 460, Contact General Electric Company, Drives Products Operation.

Amps shown are at 460 VAC input voltage.

***AC Line Reactors may also be required for inverters rated

700

provided with the inverter.

NOTE:

peak (non-saturating) current rating of the reactor is greater

than 2.8 times the input current rating of the inverter.

232 295 FA005*** 287 370 316 400

UP and above even though a DC Link reacfor is

If reactors are supplied by others, be sure that the

FAOOG*** FAOOG***

2-10

75 50 50

AF-300C

lnveriters

GEK-85718

104X22OFAOO3

104X220FA004

123456

NOTE: AU DIMENSIONS ARE IN INCHES.

104X22OFAOOl. 002.

I--“‘-7

104X225FAOO4

LZl

GO3

4 5

S/16

HOLES

2 3

IN. MTG.

(WY.

+.,, I_

Reactor

104X22OFAOO3 104X22OFAOO4

Toierece of

4AWG

is required, use #4 solid or two

Figure 2-5.

i-l-

0.125 inches

H dlA.

(1 EACH TERM.)

Dlmensions (inches) A B C* D

3.125 5.563 0.875

3.625 7.250 0.625

#IO

stranded

104X220FA003,004

LINE REACTOR OUTLINE AND SCHEMATIC

HOLE

I.c’A’-I

k.56

Terminal Weight Board

1.750 16-6

1.50

(#4

stranded will not fit in connector).

AWG** 37

----

S/16

MTG. SLOTS

(pounds)

5/6

LONG

{QlY.

2-11

AWOOC lnwerfers

NOTES:

All dimensions in inches (not drawn to scale). Dimension tolerance of +/-0.09 unless otherwise indicated. Reactor may be slightly different than shown.

GEK-85716

TYPICAL TERMINAL CONNECTION

(QUANTllYl 6)

1O4X2!tOFAOO5. 006

T-

I-

(OUTLINE)

S/18

IN.

HOLES

MTG.

(STY.

Reactor

104X22OFAOO5 1 104X220FA006 1

Figure 2-6.

Dlmensions (inches) A

5.00 1 8.875 1 1.00

5.50 1 12.50 1

104X22OFAOO5,006

iC(max)lD

.875 1

Weight

(min)

.I25 1

7.250

1.00

LINE REACTOR OUTLINE AND SCHEMATIC

8.50

2-12

IO.406 1 IO.531 1

1.00

1.250

AF-300C lnverters GEK-85718

3. INSTALLATION GUIDELINES

INSTALLATION ENVIRONMENT

Install the inverter in a location that meets the following requirements:

-- The ambient temperature is between -lCPC and

+5OoC (+14oF

The relative humidity is between 20% and 90%. Avoid any location subject to dew condensation, freezing, or where the inverterwould come

in contact with water.

-- Do not install in any location subject to direct sunlight, dust, corrosive gas, inflammable gas, water vapor, or oil mist.

The inverter should be installed at an elevation below 1000 meters (3281 feet) and vibration should be less than

Motor wiring should be less than 66 feet. Otherwise, wire seperation of 4 inches may be required.

OSG.

+122+).

OPEN INSTALLATION MOUNTING CLEARANCE

NOTE: When installing two or more in close proximity, allow sufficient shown in Figure 3-1 and install them in a hori-

zontal row.

row, atleast 79.7inches

provided between each one to prevent the

ambient temperature from rising.

See the appropriate view in Figure 33 for the location of mounting holes.

-- Install the rubber bushings supplied with the inverter into the cable openings in the wiring lead-in plate to prevent cable damage and to minimize dust entry.

If they must be installed in a vertical

(SOcm)

4.8 inches

(120

mm)

inverfers

space as

spacemust be

CAUTION:

affects inverter life and reliabilitv, do not install the invetter in any location that exceeds the allowable temperatures.

Install the inverter perpendicular to the ground and with the lettering right side up. (If the inverter is installed up-side-down or horizontally, heat build-up will occur.)

Install at a sufficient distance from other equipment, walls, or wiring ducts as shown in Figure

3-l (these clearances are required to allow for proper cooling air circulation).

CAUTION:

ture of the coolina fins of the inverter rise to ap- proximatelv 90 decrees C (194 dearees R. For this reason, the mountinq wall must be of heat resistant material.

Because the ambient temperature

Durinq operation, the tempera-

oreatlv

4.8 inches

(120

mm)

4.8 inches (120 mm)

‘lgure

3-1. INVERTER MOUNTING CLEARANCE

(Open Installation)

4.8 inches (120 mm)

3-1

ENCLOSED MOUNTING INSTALLATION

GUIDELINES

When mounting inverter(s) inside of an enclosure, the temperature inside of the enclosure should not exceed 50%

Do not install the inverter in a small sealed enclosure or mount other heat-generating components near the inverter within the enclosure.

Cooling fans are to be installed in such a way that the cooling air passes through the ing components.

(122oF).

heat-generat-

NOTE:

verter or Cooling Fan mayprevent the air temperature within the enclosure from being reduced to the specified value, even though the cooling fan is of the proper capacity.

When installing more than one inverter within the same enclosure, arrange them horizontally as shown in Figure 3-2. If the invetters must be arranged vertically, provide a partition board between the inverters to negate the heat generated by the lower unit from affecting the upper one (see Figure 3-2).

Improper installation positions of the In-

AIR OUT

Horizontal Arrangement

COOLING

FANS

M0$’

Vertical Arrangement

AIR OUT~

AIR OUT

PARTITION

BOARD

Figure

3-2.

INVERTER

AIR IN

ENCLOSURE MOUNTING ARRANGEMENTS

3-2

View

‘A”

View

“B”

--IL-=a

(ON. 2)

‘U

BOLT

(ON. 4)

PANEL DRILLING

UFUNG

HOLE5

-w+

*y-1w’-ii

-AL

d= (ON. 2)

-0

-k

~LirnNG

HOLES

-I--

PANEL DRILLING

r-w3 7

rwi-l

fh5

”

t---2--l

View

“c”

DIMENSIONS ARE IN INCHES

AND

[UILUYETERS]

PANEL

ORiLUNC

4.53

[115]

EXTERNAL DIMENSIONS

Figure

6.26

[2351

13.6

[36D]

-t

3-3.

INVERTER

3-3

AF-300C Dimensions (Refer to Figure 3-3)

lnverter

Catalog

HP Number 40

100

125

150

200

250

300

6VAF34304OC

6VAF34305OC

6VAF34306OC

6VAF343075C

6VAF2431OOC

6VAF343125C

6VAF343150C

6VAF3432OOC

6VAF34325OC

6VAF3433OOC

View

A,B

Dimension in Inches and (mm)

35.25 84.45 33.45 33.75 11.26

(=I

39.20 88.45 37.40 37.75

(996) (sn) (950) (959) (356) (13) (25) (9)

43.90 43.15 42.15 42.44 (1115) (1096) (1071) (1078) (424) (13) (25) (9)

48.90 43.15 42.15 42.44 (1115) (1096) (1071) (1078) (424) (13) (25) (9)

51.20 50.0 48.60 49.0 20.25 (1300) (1270) (1234) (1245) (514) (18) (36) (13)

64.60 63.60 63.20 (1641) (1615) (1605) ---

H2 H3 H4 hl h2 h3

.50 1.0

(875)

(857) (286) (13) (25)

---

14.02

16.70 .50 1.0 -35

16.70 -50 1.0 .35

32.40

(823) ___

32.40

(823)

32.40

(823) ___

.70 1.4 .50

e-w es_ ___

___

- mm_

1.0

w-m

___

- -

___

mm_

___

35 (9)

lnverter

Catalog

HP Number

100

125

150

200

250

300

6VAF343040C

6VAF343050C

6VAF343060C

6VAF343075C

6VAF2431OOC

8VAF343125C

6VAF34315OC

6VAF3432OOC

6VAF343250C

6VAF3433OOC

View

A,6

A,B

Dimension in Inches and (mm)

13.4

W") (240)

14.8 10.80 14.70 14.40 2.55 (375) (275) (373) (366) (65) (250) (145) (10)

14.8 10.80 14.70 14.40 (375) (275) (373) (366) (65)

14.8 10.80 14.70 14.40 (375) (275) (373) (368) (65) (250) (145) (10)

20.90 (530) (430) (527) (520) (80) (320) (180) (15)

20.90

(530) (430)

20.90 (530) (430) (527) (520) (79)

26.80 22.80 26.00 24.00 3.10 14.40 9.25 (680) (580) (660) (610) (79)

33.50 29.50 32.70 30.70 3.10

(850) VW

33.50 29.50 32.70 30.70 3.10 (850)

W2 W3 W4 D

9.45

16.90

0'50)

13.30

(338)

20.75 20.50 3.14 12.60 7.10

20.75 20.50

(527) (520)

20.75 20.50

(830)

(830) (780)

13.00 2.55 9.85

(65)

2.55 9.85 5.70

3.11

t-1

3.11

(780)

(79)

5.70

(250) (145) (10)

9.85

(250) (145) (10)

12.60 7.10 (320) (180)

(366) (235) ---

14.40 (366) (235) ---

5.70

9.25

.40

-60

-60 (15) .60 (15)

---

3-4

AF-300C lnverters GEK-85718

WIRING PROCEDURES

Wiring should be implemented in accordance with the following procedures. If these procedures dis-

agree with local electrical codes, the local codes

should be followed instead. After completing wiring,

check that all wires have been properly connected.

CAUTION:

Incorrect wiring mav cause damaae to

the inverter and/or result in improper operation. The Main Circuit Terminal Block is located at the

bottom portion of the inverter. The Control Circuit

Terminal Block is located near the middle of the

inverter. (See Figure 4-l) NOTE: P7-P and

CM-T/-I/?

terminals are jumpered

together at the factory. A DC Reactor is also shipped

for connection between terminals

Pl-P

on 100 HP

inverters and above.

MAIN CIRCUIT WIRING CAUTION:

connected to the U, V, W terminals nor the N,

Be sure that the power supplv is never

PI,

and

P terminals. Never connect N to Pl nor N to P.

Power Supplv Connections

Connect a circuit breaker between the three-phase power supply and main circuit terminals Li ,

l2,

(see Figure 4-2).

An AC Line Reactor may be required for some

applications. (See

“AC

Line Reactor Connec-

tion” paragraph in this section.)

If a starter or contactor is used between the circuit breaker and the main circuit terminals to shut off power to the inverter if an inverter fault occurs,

then wire control power as shown in Figure 43.

NOTE: See TABLE 2 for description of all terminals

and TABLE 3 for application wiring list.

NOTE: An MC Contactof (see figure 4-3) should be used when either:

(7) A dynamic braking option is installed. (2) Thepower supply lines can experience an ovef-

voltage condition. if the current rating of the MC Contactor coil is too large for the Fault Relay Contacts, be sure to use a pilot relay as shown in Figure

472.

RF-30K

TBS

RX1

RX2

JBA~JEIB~~EC~RIN~ LV ImTl

JmsG

‘3-E FRR OL FMI

II 1 12 1 13

LI I

SW2 s-41

CONTROL CIRCUIT

FM2 VI CI XI X2 X3 CM RTI RT2 RUT

(FWOIRNI BX I CH JTHRIRSTI FU 1

MRIN CIRCUI;

L2 1 L3

INPUT

Figure 4-1.

u I

TERMINAL BLOCKS

TERtlINRL

TERMINRL BLOCKS

v I w

OUTPUT

1-1

4-1

BLOCKS

CONTROL CARD

TB6 TB4

\-G/lZj

RF-3 00c

MRIN

POWER

INPUT

RC LINE

REACTOR

CUSTOMER SUPPLIED

PHASE

RC POWER

(IF REQU

CIRCUIT

BRERKER

IRED)

Figure 4-2. AC POWER CONNECTION

AUXILIARY CONTROL POWER SUPPLY CONNECTION

When using the circuit shown in Figure 4-3, it is necessary to connect terminals

“RO”

and ‘To” to the

hot side of the MC Contactor.

CAUTION:

Do not neolect to make the RO and TO

connections. If not made, continuous cyclinq of the MC Contactor mav occur under certain conditions that will stress (or fail) the charoe resistor and DC link capacitors.

AC LINE REACTOR CONNECTION

An AC Line Reactor is required on AF-300C inverters

if the KVA rating of the supply transformer is greater

than

lOtimes

the horsepower rating of the inverter or 500 KVA (whichever is greater). This reactor is considered optional and must be purchased separately when required for specific applications (see “Options’ paragraph in Section 2).

(CUSTOMER

SUPPLIED)

Figure 4-3. AUXILIARY CONTROL POWER SUPPLY CONNECTION

DETACH THE FACTORY INSTALLED SHORT-CIRCUIT

CONRlCTOR

(IF PRESENT)

\,_ _. _ _ (

N Pl

RERCTOR

Figure 4-4. DC REACTOR CONNECTION

DC REACTOR CONNECTION

A DC Reactor is required on all

AF300C

inverters rated 100 HP and above. This reactor is included in the purchase of the inverter and shipped with the inverter. This

reactor must be installed or the war-

ranty will be voided.

1. Remove the jumper between the

‘P”

and

‘PI”

terminals (installed at factory).

2. Connect DC Reactor between these terminals as

shown in Figure 4-4 (see TABLE 3 for wire sizing).

4-2

Motor Connectlons (See Fiaure

WARNING-BURNANDSHOCKHAZARD:

Shut off the power supply before making the output connections. If the power supply is on, a

voltage may be present between the output termi-

nals even though the lnverter Is stopped.

4-31

BRAKING UNIT AND BRAKING RESISTOR CONNECTIONS

NOTE:

tion with braking unit. The number of braking units and braking resistors varies per the horsepower of the inverter and the braking requirements of the the application (see Figure 4-6 for wiring).

Connect the 3-phase motor wires to the U, V, and W terminals of the Main Circuit Terminal Block as shown in

Figure4-5

view A).

(SeeTABLE

2for de-

CAUTION:

tween the inverter and the brakina unit.

scription of all terminals and TABLE 3 for wire sizing.)

NOTE: Motor

will

rotate counterclockwise

when

viewed from the load side when connected normally. If the motor rotates in reverse direction, interchange any two of the U, V, or W terminal connections.

1. Remove the jumper between the THR and CM terminals of the inverter (installed at the factory).

2. Connect the thermal contacts in series (to THR and CM) so that both the braking unit and braking

resistor will be OFF should overheating occur.

-- Connect braking unit so that thermal contacts

2. If contactors are connected as shown in Figure

4-5

(View B), connect an interlock to prevent clos-

ing both contactors (MC-1 and MC-2) at the same

time. A contactor on the output for any other

purpose must operate such that the contactor

closes before the inverter is started and opens

after the inverter stops.

3. When two brakino units are used, set Switch SW1 on the printed circuit board of the braking unit in

the 1-2 position (set in 2-3 position at factory).

Braking Resistor must be used in combina-

Alwavs match terminals ‘P’ and ‘N’ be-

can be made for terminals 1 and 2 (of braking unit) to terminals THF? and CM (of the inverter) respectively.

CAUTION:

output

heat and be

Do not connect anv capacitors in the

wires. The capacitors and inverter will over-

damaoed

due to harmonics.

ff-300c

OUTPUT

u v w

HOTOR

View A

RF-300C

IN=‘UT

1 L2 1

0 0

P’ P’ P’

CUSTOMER SUPPLIED

3 PHRSE AC POWER

NOTE :

CROSS INTERLOCKING BOTH STRRTERS

‘ON’ FIT

THE

1 v 1 w

LIN

REFICTCR

K-1

CIRCUIT -- -- -BREAKER

SRME

AF-300C

OUTPUT

..__ ._.. .

(MC-I RN! ME-2,

View B

REO

TIM.

1’

J\!,. _

,*’ :

IR D TO

.__._

-- -- --

PREVENI

FROM

_-__

MC-2

Figure 4-5. OUTPUT WIRING CONNECTIONS

4-3

AF-300C

lnverfers

1 Braking Unit

1 Braking Resistor

View

GEK-85716

‘A”

NOTE:

Be sure to remove the jumper from between terminals

THR

and

or the Braking Unit will not operate.

1 Braking Unit

2 Braking Resistors

View

“B”

NOTE: Be sure to remove

the jumper from between terminals THR and

the Braking Unit will not

operate.

Figure 4-6.

BFlAKlNG RESISTOR AND BRAKING UNIT CONNECTIONS (Part

4-4

of 2)

1 Braking Units

3 Braking Resistors

Vlew

AF300C

hverters

GEK-85718

NOTE:

Be sure to remove the jumper from between terminals THR and CM or the Braking Unit will not

operate.

2 Braking Units

4 Braking Resistors

View “D

--j

1 I

NOTE: Be sure to remove the jumper from between terminals THR and

the Braking Unit will not

operate.

Figure 4-6.

BRAKING RESISTOR AND BRAKING UNIT CONNECTIONS (Part 2 of 2)

4-5

Figure 4-7.

GROUND CONNECTIONS

GROUND TERMINAL CONNECTIONS CONTROL CIRCUIT WIRING

It is necessary to provide grounding in order to pro-

tect against an electral shock due to leakage and to

reduce the effects of electrical ‘noise”. (See Figure 4-

7.1

Preferably, each inverter or other piece of equipment should be grounded individually. If this is not possible, the alternative method is common grounding where the ground wire from each piece of equipment is connected at the ground point.

NOTE: The ground wire should be as large a gauge

as possible and the length should be kept as short as possible.

Avoid grounding method where the ground wire is used in common with other equipment i.e., do not daisv chain around

connections.

Perform all control wiring in accordance with the

following applicable subparagraphs (and referenced

Figures) and the applicable circuit as shown in Figures 4-15 to 4-26 (located at the end of this Section). Refer to TABLE 2for terminal descriptions and TABLE

3 for wire sizing.

CAUTION:

Hiah reliabilitv contacts for lowvoltaqe

and current sianals must be used on the control circuit terminals (FWD, REV, BX, THR, X2. X3, RTI , RT2,

the voltage is approximatelv

AUT).

When the contact is open,

+24 VDC;

contact is closed, the current is approximatelv 3 mA

DC (see Fioure 4-12 for circuit).

CAUTION:

The control circuit terminal wirina should be kept as far awav as possible from the main power wirinn to prevent operational error due to noise inter-

ference. Never install both tvpes of wirinq in the same

INVERTER CONTROL

CIRCUIT WIRING

duct or conduit. (A separation distance of 10 centi-

meters [4 inches1 or more is recommended.) If the control circuit wirina must cross the main power wir- inn, it should cross at a riaht annle and be seperated

#$$, plq

/=lIN

CIRCUIT WIRING

bv at least 1 inch(see Fiqure 4-8).

FIST.

PU, IL, Xl

when the

CROSS AT RIGHT ANGLE AND KEEP AT LEAST 1 INCH

SEPERATION

Figure 4-8.

CONTROL WIRE ROUTING

KEEP NOT LESS

THffl 4’(l@cm)

CAUTION:

trol circuit wirina; wirinn should be as short as

sible, i.e. 20 meters

to the invetter around terminal and leave the other end open and electricallv insulated.

CAUTION:

Use shielded twisted wire for the con-

POS-

(65

feet) or less. Connect

shield

Install a suppressor in parallel with any

relavs or solenoidtvpe coils, etc. that mav be close to

the inverter.

4-6

(I chi I

f3x

IREVI FWDI

FREQUENCY

REFERENCE

13 I 12 I 11 I ( ( I AUT I

OUTPUT

FREQUENCY

SIGNAL

’

ANALOG PULSE

’

SPEED POT

Figure 4-9.

FREQ. SETTING/MONITORING EQUIVALENT CIRCUIT

Frequencv SettindMonitoring

Equivalent Circuit

Frequency Setting Power Terminal (13) can beset for either positive or negative voltage polarity via jumper SW1 on the Main Control Card. (See Figure 4-9 for equivalent circuit.)

-- Factory setting of polarity is positive (SW1 in l-2 position).

-- Also see Function Code 47.

FREQUENCY

2 ’

METER

Although output frequency is digitally displayed on the keypad, when an external display is required,

connect a frequency meter to monitoring terminals FM1 and FM2. Either analog or digital meters can be connected, but Switch SW2 must be set in accordance with the type meter used. Set SW2 as follows:

-- 1-2

Position for Analog Output (factory setting)

-- 2-3 Position for Digital Output

-- Also see Function Codes 40 and 50

NOTE: These

signed for meter connection

output

terminals (F/W,

only.

FM2) are de-

Ifa

special application (for control, etc.) is required, confact the distributor that supplied the inverter.

4-7

AMOOC lnverters

GEK-85716

Alarm Reset Switch Connection

If an external RESET is required, connect a momen-

tary pushbutton to the RST terminal as shown in

Figure 4-10.

NOTE:

parallel operation to be performed with the RESETkey

on the Keypad Panel. Carelessness when setting Function Codes and/or retrieving faults

inputting a RESET signal.

Equivalent Control Circuit

The equivalent circuit as shown in Figure 4-11 is pres-

ent in the control circuits (FWD, REV, BX, THR, RST, PU, IL, must be highly reliable contacts for low voltage signals. 24 VDC is present when the switch is open; 3

mA DC is present when the switch is closed. The

maximum leakage current that can be tolerated and still maintain an OFF state is 80 uA. The maximum

voltage drop that can be tolerated and still maintain

an ON state is one volt.

The application of this terminal allows a

may result

Xi,

X2, X3, RTI , RT2,

AUT).

The contacts used

CAUTION:

supply connections are correct. Damaue will occur if

Figure

Verifv

that the

4-l

0. FAULT RESET CONNECTION

! 1

polar&

;‘customer

of the power

RESET

SWITCH

supplied.

1 t_______.__ 0

Flgure

Fault Relay Contact Rating

The Fault Relay contacts are rated at 250 VAC, 300

milliamps inductive @ cos 9 2 0.3. When a large MC Contactor is used, use a pilot relay with the appropriate contact rating and coil rating. (See Figure 4-12.)

Open Collector Output Terminal Connection

It is recommended to use the optional relay output

unit when using these output signals, however it is

possible to use a customer furnished power supply

and relays. The open collector outputs are “sink circuits. If customer supplied relays are to be controlled, an external DC power supply (27 VDC max.) is

required. A diode must also be installed (reverse

biased) for relay coil suppression (see Figure 4-13).

4-I

EQUIVALENT CONTROL CIRCIUT

4-8

Figure 4-12.

UP TO

Figure 4-13.

27VDC

(CUSTOMER

SUPPLIED)

A A

FAULT RELAY CONTACTS

+-J-d

THAN

50ma.

OPEN COLLECTOR CONNECTION

Surge Suppressor Connection

When a magnetic coil actuated device such as a starter, control relay, solenoid valve, etc., opens and closes, the current will sharply fluctuate resulting in a voltage spike (or noise). In some instances this voltage spike can cause misoperation of the electrical circuits of the inverter and other peripheral equip-

ment. A surge suppressor should be connected across all magnetic coils connected to the inverter, as well as across all magnetic coils with supply wiring

running parallel with inverter wiring. Wiring should be kept as short as possible (8 inches

mum). See Figure 4-14 for

connection

[20

cm] maxi-

methods and

thefollowing chart for recommended RC Filter capac-

ity.

Surge Suppressor (RC Filter) Application

AF-300C

/metiers

GEK-85716

Magnet 1 c

Eauipment

Magnetic Contactor (DC)

Main Circuit (AC) Auxiliary Relay (DC) Auxiliary Relay (AC) Solenoid Brake (DC)

Braking Clutch

*Diode to be used only when the current of the operating coil is no more #an 1 Amp.

cant

actor

0.2 microfarad,

0.1

0.2 microfarad,

0.2 microfarad, 500 VDC Capacitor; 500 Ohm Resistor or diode*.

0.2 microfarad, 500 VDCCapacitor; 500 Ohm Resistor.

Figure 4-14.

RC Filter or Diode

500

VDC Capacitor; 500 OhmResistor or diode*.

500

VDC Capacitor; 500 OhmResistor.

microfarad,

500

VDC Capacitor; 500 Ohm

500

VDC Capacitor; 500 OhmResistor.

Resistor or diode*.

SURGE SUPPRESSOR CONNECTION

4-9

AF-300C

lnvetfers

TABLE 2: TERMINAL IDENTIFICATION/FUNCTION

GEK-85716

Terminal

Label

MAIN CIRCUIT:

Ll, a

u, v,w

P, N

E (G)

CONTROL POWER:

RO, TO

Terminal Name

AC Supply Line

Input Terminals lnverter Output

Terminals

Brake Unit Terminals

DC Reactor Connection Terminals

Ground Terminal Connection for ground.

Control Power Auxiliary Input

Function

Connection for commercial power (400460 VAC @ 60 Hz) or

(380-460

Connection for 3-phase induction motor.

Connection for brake unit (optional). (Brake resistor must be connected through brake unit.)

To be connected when power factor improving DC Reactor

(optional on 75 HP and below) is used. (Provided and required on 100 HP and above.)

Connection for single-phase AC power for backing up the control circuit power when input starter is used (460 VAC).

VAC @ 50 Hz).

FREQ. SET MONITOR

FM1 FM2

Frequency Setting Common

Frequency Setting

Voltage Input

Frequency Setting

Voltage Output Term. Frequency Setting

Current Input Voltage Input

Auxiliary Terminal Frequency Meter

Connection Points

Common terminal for frequency setting signals (terminals 12, 13,

When 0 to + IO VDC is input, the maximum frequency is

reached at +I 0 VDC. The output frequency is proportional down to 0 VDC. Input impedance is 22K ohm. (Speed Pot Wiper)

+ 10 VDC power supply for Speed Pot (1 (Speed Pot Power)

When 4 to 20mA DC is input, the maximum frequency is reached at

20mA. The output frequency is proportional down to 4mA. Reaches maximum output frequency at

freq. is proportional down to 0 VDC). Input impedance is 22K ohms.

Provides an output of 0 to +10 VDC

Available for connection of a voltmeter (with internal resistance of

1 OK ohms). FM1

SW2 must be changed to 2-3 position. (See Figure 4-9 and

Function Codes 40 and 50.)

Vl,

and Cl). (Speed Pot Common)

(+lO

= Pos., FM2 = Neg. To output a digital signal,

OmA

maximum).

+/-I

0 VDC (the output

VDC at max. frequency).

4-10

AF-300C lnwerters

GEK-85718

TABLE 2: TERMINAL IDENTIFICATION/FUNCTION

Terminal Label

CONTACT INPUT:

AUT

FWD REV

Xl x2

Terminal Name

Contact Input Corn. Current Input Select

Forward Command Input Terminal Reverse Command Input Terminal

Motor Coast-To-Stop Input Terminal

Multi-Step Frequency

Setting Terminals Increase/Decrease

Frequency Control

Momentary START/ STOP Contact Selection

Function

Common terminal of contact input signals. When the frequency setting signal is provided with voltage or

current, this changes over the input signal to be used. AUT-CM On = Selects current input (4 to 20 mA). AUT-CM Off = Selects voltage input and frequency setting input,

Forward command via FWD-CM (closed). Reverse command via REV-CM (closed). When FWD-CM is closed and REV-CM is closed at the same time, the inverter will decelerate and stop (only when Function Code 41 is set inactive).

Motor will coast-to-stop with BX-CM (closed). No alarm signal will be output. If BX-CM is opened while FWD or REV closed , the inverter will start to operate because a RUN command is present.

Eight differenct frequency settings can be made with the

combinations of ON and OFF of each terminal. By changing Function Code 42 to YES, the Xl and X2 terminals are

changed from multi-step speed commands to increase and decrease commands. The increase and decrease commands simulate a motorized speed pot.

By changing Functtion Code 41 to YES, the X3 terminal is changed from a multi-step speed command to a momentary pushbutton common input for momentary START/STOP commands. With X3CM closed, FWD and REV signals input by a pulse signal (pulse width of 50 msec or greater) can be self-sealed.

(continued)

RTl

RT2

THR

RST

Multi-Step Accel/

Decel Time Command

Input Terminals

External Thermal External Braking

Resistor Thermostat Terminal

Reset Signal Input Terminal

Rela]

RTI-CM (closed),

second, third, and fourth types of acceleration/deceleration time selections.

by normal first acceleration/deceleration time.

With THR-CM open, OH2 trip will occur and motor will coast-to-stop. NOTE: With no external thermal relay or external braking resistor

thermostat, the THR-CM terminals must be jumpered or the inverter

will

not operate.

Faults are reset when a momentary contact is made between the RST-CM terminals for more than 0.1 seconds. NOTE: If there is an input to the

not RESET.

RT2-CM

NOTE: When there is no input to

4-11

(closed), RTI-RT2-CM (closed) are the

RT1, RT2,

FWD

or REV terminals, the unit

operation is

will

Af-300C

lnverters

GEK-85718

TABLE 2: TERMINAL

Terminal

Label Name

CONTACT INPUT: (continued)

OPEN COLLECTOR OUTPUT*:

CME RUN

FAR

FDT

Terminal

Commercial To lnverter When PU-CM is closed, reference increases and preparation for

Output Starter When providing an output starter, its auxiliary contact (normally

Interlock closed) must be between IL-CM (closed). When the starter picks-

Open Collector Comm. Common terminal for output of open collectors.

lnverter

Set Frequency When the set frequency is reached (inverter is up-to-speed), Detection Signal FAR-CME will be ON. See Function Code 36.

Optional Detection of FDT-CME will be on when the output frequency is larger than the set Frequency Level

lnverter Overload Early Warning Signal

Undervoltage Stop

In Operation

IDENTlFtCATION/FUNCTION

inverter operation is made. When set to OFF after a fixed time, inverter will operate. (Used for open transfer Line-lnverter-Line; also used with terminal

up, the auxiliary contact must open (IL-CM open) permitting inverter operation. IL-CM On - interrupts inverter operation; IL-CM Off continues inverter operation. Used with terminal ‘Pu” for transfer.

Transistor turns ON between RUN-CME at start frequency and above. Transistor turns OFF when inverter is stopped, during coast stop, and DC braking.

detection frequency; FDT-CME will be OFF when output frequency is less than set frequency. See Functtion Code 35.

OL-CME will be on when the output current is larger than the set value; OL-CME will be OFF when output current is less than set

current. See Function Code 32.

LV-CME will be on when an undervoltage condition exists. LV-CME will be off when output will occur for a set time after power-up.

“IL’

for transfer.)

the

DC link voltage is above the trip threshold.

(continued)

CONTACT OUTPUT:

Ax1

30A

308

3oc

*Open collector outputs are

must

be provided via an external power supply when using them to control external relays (see Figure 4-13.)

The Relay Option

Run Relay Dry Contact Contact is closed when the inverter is running. (Contact rating: output

Fault Relay Dry Contact Output

‘Sink”

GVKC3RY

has this power supply built in.

circuits

250 VAC, 0.3 Amps inductive @ cos theta 2 0.3)

During normal operation, the relay is not energized and contact is

made between 308 and 30C. When a fault is detected, the relay is energized and contact is made between 30A and 30C.

rating: 250 VAC, 0.3 Amps inductive @ cos theta 2 0.3)

wi?h +27 VDC,

4-12

50mA maximum ratings.

Power for these circuits

(Contact

TABLE 2: TERMINAL IDENTIFICATION/FUNCTION (continued)

Terminal Terminal Label

PROTEC-

TION

Name

Function

AF-3OOC Invertem

GEK-85718

GFl

GF2

Ground Fault Input terminals exclusively used for internal ground fault detection Protection Input unit.

TABLE 3: WIRING AND EQUIPMENT SIZING (Power Wire, AWG*)

lnverter HP

40 40

1 2

Qty.**

1 1

Input

Power Power Reactor Diameter

me -- __

50 1 -- 2

60 60

75 75

100 100 100

125

150 150

150

200 2 200 2

20(-j

250 2 250 3 250 3

300 3 300 3

3oc)

1 1 --

__ __ -1

1 -__ -_ --

1 1 -1 -- --

1 --

2 2

-- -- --

l/O

2/o

4/o

-- --

l/O

2 -- --

3/o

__ --

4/o

-- --

2/o

-__ __

Output DC

__ __ 2

-- --

-- -2

l/O

3/o

4/o

l/O

110

3/o

-- --

2/o

4/o

3/o

4/o

Stud

0.236

0.315

0.393

0.433

0.512

Amp Amp

Terminal Terminal Crimp

104X161AA- Number

057 320383 69062 057 320383

056 321600 69062 056 321600 69062

060 321868 056 321600 69062

023 36923 060 321868

023 36923 69120 025 36927 69120 068 321878

068 321878 69120 068 321878 060 321868

060 321868 060 321868

024 36925 026 36929 69120

026 36929 028 36934

028 38934 024 36925 026 36929

024 36925 024 36925 028 36934

Tool #

69062

69120

69120 69120

69120

69120 69120 69120

69120 69120

69120

69120 69120

69120

*Wire

size from NEC Table 310-76. Copper

wire

rated

ambientand 1.25 times inverterratedamps. These

codes.

**Quantity of wires in parallel per terminal.

6oOC

for 100 amps and less, 75% for over 100 amps in

are

minimum wire sizes; consult and conform to localand national

4-13

30%

AF-300C /metiers

GEK-85716

-I

rz&. 7TiR

IWlJl

&l?c

TO,

RF-300C

;EJ ._______-_-_---_________

+ _ - -_ -- _ -- -

& _- - - _. .-. -

t-- _ - _ - )-.,L;-

.-------------.---.------.-,~

(1) CAUTION: Do not connect externally supplied power to terminals 1 or 2 on the Braking

Unit or the Braking Resistor.

Doing so will cause damage to occur.

,..-........- -_,.

.-. '

;

I *

. . . ..-..---_._.-

lr f

1. +-*A-

:: *I

I 1 \i

I’

E(G)

PEV

FM1

FM2

RUT

RTI

RT2

EIX

Rsr

TH?

FUN

A2 B2

c2 A3

B3 C3

ii B4

C4 I35 85

Figure 4-t 5.

BASIC CONNECTION DIAGRAM

4-14

AF-300C

hverkrs

GEK-85718

IMPORTANT: The following CAUTIONS apply to Figures 4-l 6 through 4-26.

Other NOTES that apply to a specific Figure are shown on that Figure.

*l -

CAUTION:

nals THR and CM and connect Normallv Closed thermal interlock contacts in series between THR

and CM.

*2 -

CAUTION:

START/STOP commands from remote are ionored.

If it is desired to use thermal interlocks, remove the jumper from between termi-

If the “LOCAL/REMOTE’ switch on the Kevpad Panel is in the ‘LOCAL’ position,

NOTE:

LOCAL/REMOTE switch should be in the ‘LOCAL’ position (*2).

RF-300C

DYNAMICDYNAMIC

BRAKEBRAKE THERMALTHERMAL SWITCHESSWITCHES

Figure 4-18.

OPERATION FROM KEYPAD

4-l 5

NOTE:

“0’

(Yes).

LOCAL/REMOTE switch should be in the ‘REMOTE’ position (“2). Set Function Code 41 to

NOTE:

‘0”

(Yes).

BRAKE THERMAL SWITCHES

Figure 4-17.

SPEED POT

LK n

l/2

WRTT

REMOTE OPERATION WITH MOMENTARY CONTACTS

LOCAL/REMOTE switch should be in the ‘REMOTE” position (*2). Set Function Code 41 to

Figure 4-18.

SWITCHES

REMOTE OPERATION WITH MOMENTARY CONTACTS AND REVERSING CAPABILITY

4-16

AF-300C

Inwetters GEKm8571

NOTE:

‘--*

(No).

LOCAL/REMOTE switch should be in the “REMOTE’ position (*2). Set Function Code 41 to

SWITCHES

Figure 4-19.

REMOTE OPERATION WITH MAINTAINED CONTACTS

NOTE:

‘-’

(No).

RF-3

LOCAL/REMOTE switch should be in the “REMOTE” position

00C

SPEED POT

1K n

l/2 WRTT

(*2).

Set Function Code 41 to

BRAKE THERMAL SWITCHES

Figure

4-20. REMOTE OPERATION WITH MAINTAINED CONTACTS AND REVERSING CAPABILITY

4-17

AF-300C

RF-380C

lnverters

GEK-85716

3EIA

FIX

flX2

CME FRR OL FM1 FM2

30B 30C

RUN LV FDT II 12

SPEED POT

1K I-l, 112

Cl XI X2 X3 CM

13 FWD REV BX CM THR RST PU IL

I I

RTl

RT2 RUT

WATT

DYNAMIC BRAKE THERMAL SWITCHES

TLml&

NOTE: LOCAl&EMOTE switch should be in the “REMOTE’ position (*2). Set Function Code 41 to

‘--”

(No).

NOTE: JOG Decel follows the same slope as RUN Decel, except when JOG is commanded during operation above the JOG frequency setting. Check the following Function Codes:

Function Code 23 = JOG Speed (Frequency) Setting. Function Code 2A = JOG Accel Time Setting. Function Code 26 = JOG Decel Time Setting.

Figure 4-21. REMOTE OPERATION WITH MAINTAINED CONTACTS AND JOG FUNCTION

4-18

AF-300C

SPEED POT

1K i-L, l/2

WATT

AWOOC fnverters

GEK-85718

NOTE:

LOCAL/REMOTE switch should be in the “REMOTE’ position (*2). Set Function Code 41 to

‘--’ (No).

NOTE:

JOG Decel follows the same slope as RUN Decel, except when JOG is commanded during

operation above the JOG frequency setting. Check the following Function Codes:

Function Code 23 = JOG Speed (Frequency) Setting. Function Code 2A = JOG Accel Time Setting. Function Code 26 = JOG Decel Time Setting.

Figure 4-22. REMOTE OPERATION WITH MAINTAINED CONTACTS AND JOG FUNCTION

WITH REVERSING CAPABILITY

4-I

AF-300C lnverters

GEK-85716

NOTE:

‘0’

(Yes).

Figure

LOCAL/REMOTE switch should be in the ‘REMOTE” position (*2). Set Function Code 41 to

SPEED POT

lKfi.l/2

WATT

OPEN:

MANUAL SPEED

BRAKE THERMAL SWITCHES

CLOSED:

AUTO SPEED

REFERENCE

4-23. REMOTE OPERATION WITH MOMENTARY CONTACTS AND AUTO/MANUAL OPERATION

NOTE:

‘0’ (Yes).

LOCAL/REMOTE switch should be in the “REMOTE” position (*2). Set Function Code 41 to

AUTO SPEED

REFERENCE

Figure

SPEED POT

IK IT, I/2 WRTT

4-24. REMOTE OPERATION WITH MOMENTARY CONTACTS AND

BFtAKE

THERMAL SWITCHES

REVERSING CAPABILITY AND AUTO/MANUAL OPERATION

4-20

AF300C

lnvetiers

GEK-85716

NOTE: LOCAL/REMOTE switch should be in the “REMOTE” position (*2). Set Function Code 41 to

‘-’

(No).

RUT0

SPEED

REFERENCE

OPEN: MANUAL SPEED

CLOSED:

AUTO SPEED

REFERENCE

SPEED POT

1K n,1-‘2

WRTT

BRAKE THERMAL SWITCHES

Figure 4-25. REMOTE OPERATION WITH MAINTAINED CONTACTS AND AUTO/MANUAL OPERATION

NOTE: LOCAYREMOTE switch should be in the “REMOTE position (*2). Set Function Code 41 to

‘-’

(No).

AUTO’

SPEED

OPEN:

MANUAL SPEED

REFERENCE

CLOSED: AUTO SPEED

REFERENCE

SPEED POT

lKn,l/2

WRTT

BRAKE

THERMAL

SWITCHES

Figure 4-26. REMOTE OPERATION WITH MAINTAINED CONTACTS AND

REVERSING CAPABILITY AND AUTO/MANUAL OPERATION

4-21

AF-3OOC inverters

GEK-85718

NOTES:

4-22

INVERTER

AF-300C

OPERATION

lnverfers

GEK-85718

BEFORE APPLYING AC POWER INSPECTION

After mounting and wiring has been completed, check the inverterfor the following items before applying AC power:

Check for wiring errors (especially main circuit wiring).

-- Verify that there are no wiring chips, screws, etc. remaining in the inverter.

Check that all screw and terminal connections are tight.

Verify that no exposed wire ends are touching other terminals.

Before a test run is performed,

understand the operation of the Keypad Panel as described in the following charts and paragraphs.

Refer to Trial Operation ’ paragraph near the end of this Section for recommended procedures.

besure to review and

CAUTION:

the inverter termirlals or control circuit terminals. For meqqer testina method, refer to Section 7, Mainte-

nance and Inspection.

KEYPAD PANEL IDENTIFICATION/ FUNCTION

The Keypad Panel is installed on the front panel of the inverter and is used for data display and Function Code setting and modifications. The inverter is operated with the Function Codes set by this Keypad Panel and by external operation/control commands.

Also, FORWARD/STOP and REVERSE/STOP can be input and the reference frequency can be set from the Keypad Panel. A Mode Change Switch is also provided to switch operation between LOCAL (Keypad Panel) and REMOTE (control circuit terminals). See the following chart for a description of all Keypad Panel functions and TABLE 4 for Keypad Panel operation procedures. Refer to Figure tion of the components of the Keypad Panel.

conduct_menoer testsbetween

5-I

for identifica-

KEYPAD PANEL FUNCTIONS CHART

Function

Operation Monitoring Monitor the operation states of the inverter. Function Code Setting: Basic Function Codes Set data required for operation.

Auxiliary Function Codes Set data required for control. Calibration Adjust output signals to match with instruments

Function Codes externally installed.

Fault Monitoring

Set Data Protection Reset Data reset at Function Code setting, reset to return

Operation Mode Selection Switch for changing between “Local and ‘Remote’

Operation Commands Forward, Reverse, and Stop commands can be

Frequency Setting Commands Increase and decrease reference frequency com-

Display and retrieval of a fault and the operating conditions at the time of the fault.

Protect set data against accidental modification.

to operation monitoring mode after completing the setting, fault reset and error display reset.

modes of operation.

entered in the “Local mode.

mands can be entered in the “Local’ mode.

Description

5-I

FUNCTION

DATA

Figure 5-1.

KEYPAD PANEL COMPONENT iDENTiFiCATiON

TABLE 4: KEYPAD AND DISPLAY OPERATION

LED indicator

three sections as follows:

Function Code Display-Displays

the selected Function Code number. LED Selection Indicator under each digit lights when that digit is selected to be changed.

Data Display - Display in four digits the operation

data, Function Code setting data, and the fault codes.

Unit Indicator

symbol corresponds to the contents of the data display.

NOTE: All letters are displayed in upper case

except W, W, and

-The LED indicator is made up of

in two digits

-The LED on the left of each unit

Touch

Kevs - There are eleven Touch Keys and

one switch that perform as follows:

SHIFT

Key - Selects the Function Selecting Mode

and the Parameter Setting Mode.

-- The order of selecting each digit is fixed as 2nd Function digit - 1st Function digit - Data digits in sequence, except the order is 2nd Function Digit - 1 st Function digit for Function Codes 00-05, Fl

2).

When the data on the Data Display is blinking,

-F3,

and F5-F7 (see Figure

you cannot change the selection by pressing the SHIFT Key. Press the RESET key to

recover original data and stop the blinking or press the

data and stop the blinking. The

SET

key to store the newly changed

SHIFT

key

can then be used to make the selection.

5-2

AF-300C

Inverters

GEK-85716

TABLE 4: KEYPAD AND DISPLAY OPERATION

UP and DOWN ARROW Keys - Used to modify

values

- The

FAST Key - Used in conjunction with the DOWN ARROW

Code data change.

-- Pressing

SET Key - Used when setting parameters to enter

set data into memory.

RESET Key - Used in the Parameter Setting Mode

and Fault Monitoring Mode as follows:

Parameter Settlng Mode

-- Reset of Set Data -

-- Reset of Set Error Display -

of each mode selected

UP ARROW

DOWN ARROW

The increase and decrease of values can be set anywhere between the upper and lower limits (see TABLE 5, Function Code Data).

Pressing the pressing FAST key) will obtain low speed.

While pressing the press

FAST

and twice to obtain high speed changes. the UP or DOWN ARROW key to clear the

moderate and high speed changes.

SET or RESET

FAST

Protection’ Function (see “Set Data Protection” paragraph in this Section).

When new data is being set, the Data Display will blink; pressing SET key will enter the new data into the memory and the blinking will stop.

Data that has been set in the memory is not

erased when power supply is turned off.

SET

so that you can return to the original data.

when ‘Err” is displayed due to incorrect setting

and the set data will be cleared so that you can return to the previous data setting.

Return to Operation Monitoring Mode - After

setting parameters, press to Operation Monitoring Function Code that had been selected and displayed before setting parameters.

key allows selection/setting of ‘Set Data

key and the displayed data will be cleared

key increases values.

keys to increase speed of Function

DOWN ARROW key

key once to obtain moderate speed

Press

by SHIFT key.

key

decreased values.

DOWN

key

RESET

ARROW key,

while

key prior to

Press

RESET key

key to return

and

(without

Release

pressing

(continued)

Fault

Monitoring Mode

-- Fault Reset - Press RESET key after solving problem and the fault will be cleared so that you can return to the mode selected before the fault occurred. (Faults command is present.)

LOCALREMOTE Switch - Used for operation mode

selection.

-- Do not change while running.

not change if operated while running; the mode changes only after stopping.

Local Mode accepts input from the upper and lower rows of keys of the keypad panel.

-- Remote Mode accepts input from the FWD, REV, BX, and frequency setting terminals (lower row keys on the keypad are not accepted except STOP key; see “STOP

INC

SPEED Key - Increases reference frequency

when in the “Local mode.

When power is off or afault occurs, the reference frequency is stored.

DEC SPEED Key - Decreases reference frequency

when in the “Local’ mode.

When the INCSPEED and DEC SPEED keysare pressed at the same time, the DEC SPEED key is given priority.

When power is off or a fault occurs, the reference

frequency is stored.

FWD Key - Forward operation command when in

the

“Local”

mode.

FWD Command is not accepted when operating by a

REV

first.}

REV Key - Reverse operation command when in

the “Local” mode.

REVCommand is not accepted when operating

by a FWD

first.)

STOP

or “Remote” mode and “Serial Link” mode.

-- When pressed while running in “Locat’ mode,

-- When pressed while running in “Remote’ or

Key - Stop command when in either ‘Local”

MID/REV LED goes off, inverter output frequency

decreases, and motor stops. ‘Serial Link” mode, inverter output is turned off

and motor coasts to a stop (OH2 Fault Trip).

cannot be reset while

The mode will

Key”).

operation command. (Press

a RUN

STOP

5-3

AMOOC

lnvetfers

GEK-85716

Function/l)ata

indicators

fumon

selection

indicator

Figure

OATA

5-2. DISPLAY LED INDICATOR IDENTIFICATION

DISPLAY EXAMPLES CHART

Fault (When the 4th digit indicates the first fault in overcurrent during deceleration)

Setting

frequency exceeds that of the upper limit frequency)

Setting

during operation has been set)

*The display for Synchronous Code 3d) be set in advance. (Also, for Machine Speed [Function Code

must be entered in advance.)

Error (When the setting of the lower limit of

Error (When a Function Code that cannot be set

Speed

(Function Code 02) requires that the Number of Electric Motor Poles (Function

5-4

F 0

051,

the machine speed conversion factor

1.0 c 2

E r r 1

E r r 2

MONITORING CONTROL SIGNALS

AND INVERTER OUTPUT

When monitoring functions other than faults, perform the following procedures. (See Figures 5-2 and 5-3.)

OPERATION PROCEDURE

Function Codes 00 through OA provide “Read

Only”

access to inverter control signals and output informa-

tion. These can be very useful in troubleshooting

problems quickly. Function Codes 06 and 07 will be covered first be-

cause they take an additional step, due to the Function Code extension, to get to the signal status information,

Function 1

Descrbtion

04 05

09 OA Calculated Torque

Output Frequency Reference Frequency Synchronous Speed Output Current Output Voltage Machine Speed Input Signal Status Output Signal Status Motoring Torque Lim. Braking Torque Limit

Ind. Unit

HZ Hz

RPM A V

RPM

1. Press

RESET

key and confirm that the Function Selection LED under the second digit of the Function

Code

Display is lit and that thevalue of it is

“0”.

2. Press the SHIFT key once to move the Function Selection LED to the first digit of the Function Code Display.

The Function Selection LED under the first digit

Figure

will now be lit and the value of this first digit will

be changed in the next step.

3. Press the UP ARROW or DOWN ARROW key to set the first digit of the Function Code to ‘6’.

9. Press the SHIFT key once to turn off the Function Selection LED and permit data retrieval.

4. Press the SHIFT key once to turn off the Function Selection LED and permit data retrieval.

-- The 4th digit of the Data Display will indicate the

Function Code Extension

(A, b, C, d,

-- Function Code datawill be displayed in the3rd,

Function Code “06”.

-- Function Code datawill be displayed in the3rd,

-- Display symbols are ‘Signal Received = [0],

2nd, and 1 st digits of the Data Display and data

units are shown by the Unit Indicator.

-- Display symbols are “Signal Received = [0],

No Signal Received = [-I’.

Press the UP contents of

Press the

ARROW

C, d, and E (of Function Code 06).

SHIFT

key

onceto

display (in order) the

light the Function Se-

lection LED under the second digit of the Function Code Display.

Press the

SHIFT

key a second time to move the

All other signals from Function Codes 00 through OA are obtained using the Codes 06 and 07, except that the Function Code extension does not exist.

NOTE: After

have been completed, it is recommended to return

the display to Function Code “00’ (Output Frequency)

unless your particular application deems otherwise.

Function Selection LED to the first digit of the Function Code Display.

-- The Function Selection LED under thefirst digit

will now be lit and the value of this first digit will

be changed in the next step.

6-3. FUNCTION CODE 06 AND 07 DATA

The4th

Function Code Extension

Code

2nd, and 1

digit of the Data Display will indicate the

of Function

‘07”.

digits of the Data Display and data

units are shown by the Unit Indicator. No Signal Received =

I-1’.

same

procedure as Function

any operations with the Keypad Panel

Pressthe

UP ARROW key oncetosetthefirstdigit

of the Function Code to ‘7”.

5-5

AF-300C lnverfefs

GEK-85718

SETTING FUNCTION CODES

To change Function Codes settings, perform the fol-

lowing procedures. (See Figure NOTE: For convenience, always change the second

digit of a Function Code first since changing the second digit always returns the first digit to a value of zero.

NOTE:If the inverter is running and a Function Code

is changed that is not permitted to be changed while running, an

‘Err2”

fault

will

be displayed. Press

SET key to clear this fault and continue.

NOTE: ff Function Code data is “protected’ (Function

Code

99),

it cannot be changed until Function Code

99 is changed to Wnprotected’. See ‘Data Protection’ paragraph in this section.

OPERATION PROCEDURE

1. Press RESET key and confirm that the Function Selection LED under the second digit of the Function Display is lit and that the value of it is ‘0”.

2. Press the

ARROW or DOWN ARROW key to set the second digit of the Function Display to the second digit of the Function Code to be changed.

5-2)

RE-

If additional Function Codes changes are desired, press SHIFT key and repeat steps 2 thru 7 of this procedure.

NOTE:

After any operations with the Keypad Panel have been completed, it is recommended to return the display to Function Code

‘00’

(Output Frequency)

unless your particular application deems otherwise.

FUNCTION OF RESET KEY AFTER

CHANGING FUNCTION CODE DATA

Pressing RESET after finishing Function Code changes will always return the display to one of the Operation Monitoring Function Codes (Function Codes that begin with zero). The particular one that it is returned to can be changed by selecting the desired Function Code and leaving it there for approximately two or three minutes without pressing any of the keys on the keypad.

NOTE: The “Power-Up

Function Code as the ‘Return Via Code.

Defaul?

will be the same

ReseP

Function

3. Press the SHIFT key once to move the Function Selection LED to the first digit of the Function Display.

The Function Selection LED under the first digit will now be lit and the value of this first digit will be changed in the next step.

Press the

ARROW or DOWN ARROW key to set the first digit of the Function Display to the first digit of the Function Code to be changed.

Press the

SHIFT

key once to turn off the Function Selection LED and permit Function Code data changes.

6. Press the UP ARROW or DOWN ARROW key to change data of the Function Code selected to the desired new value.

To make large changes, use FAST key to-

gether with

or DOWN ARROW keys. Press UP or DOWN ARROW key first (data will change in tenths of units), then press FAST key once to change data in single units, or press FAST key

twice to change data in tens of units.

-- Data Display data will blink durning change procedure and when desired value is reached.

7. Press the SET key to set the new Function Code value into memory.

Data Display will cease to blink after the data has been set into memory.

FAULT INDICATION AND RETRIEVAL

When a fault occurs, the mode is automatically switched to the Fault Monitoring mode. The fault Function

Code will be displayed in the Function Display, the number (in order) and type of fault will be shown in the

Data Display (blinking), and the Function Selection LED for the first digit of the Function Code will be lit.

The fault indication function is composed of the fol-

lowing three parts:

Indication of present fault.

Indication of operating conditions at the time that

the fault took place.

3. Indication of previous faults.

If the fault is a multiple fault, indication can be re-

trieved in the order of occurence (up to seven faults)

by Function Code

In addition, the operating conditions at the time of the first fault can be indicated by Function Codes through

(only for present fault; after RESET, this

information is lost). Also, the first fault for the past three fault trips can be

indicated by F5 through NOTE: First fault means the first detected fault when

mu/tip/e faults occur at the same time.

FO,

1-7.

F7.

5-6

AF-300C

lnverfers

GEK-85718

NOTE:If control power is

display, fault output signal

turned

will

not be he/d.

off during fault

Perform either of the following procedures to obtain fault information. (See Figures 5-2 and 5-4.)

WHEN FAULT OCCURS AND IS STILL PRESENT

Press

SHIFT

key once to turn off the Function Selection LED under the first digit of the Function display and advance control to the Fault Retrieval mode.

The fault number

(1)

will be shown in the fourth digit of the Data Display and the fault type will be shown in the third, second, and first digits of

the Data Display.

2. Press the UP ARROW key once to display the second fault in the Data Display.

The fault number (2) will be shown in the fourth digit of the Data Display and the fault type will be shown in the third, second, and first digits of

the

Data Display.

3. Press the UP ARROW key again to display the

third fault in the Data Display,

The fault number (3) will be shown in the fourth

digit of the Data Display and the fault type will be shown in the third, second, and first digits of

the Data Display.

4. Repeat step 3 until no fault is shown in the Data Display (Example:

“3. - - - ”

indicates that no third

fault exists.)

NOTE: If you plan on investigating the fault, history

and operation data is required. Also record the date, time, and any information about the machine operation prior to the fault

Function Code

F2 F3

F8 F7

Indication Data (by digit)

4th

1 -

order

of occurence.

3rd 2nd

0 0

0 H 0 H 0

0 L 2

E r E r r

6 6 0. 0

1-4 in

order

of indication

1st

c 2

c 0

L u

0 d

0. F

0 0

u u

Name of Fault

Overcurrent At Acceleration Overcurrent At Deceleration Overcurrent At Fixed Speed Overvoltage Undervoltage lnverter Oveheat External Alarm lnverter Overload Motor Overload CPU Error

Memorv Error

Output

Frequency Setting Frequency Output Current

Normal Operation Reverse Operation Current Restriction Voltage Restriction Undervoltage Restriction

1st Prev. Fault (Pres. Fault - 1) 2nd Prev. Fault (Pres. Fault - 2) 3rd Prev. Fault (Pres. Fault - 3)

Figure

54. FAULT INDICATIONS

5-7

5. History and Operation Data Not Rewired:

The confirmation of the fault has been completed at this point. If the operation data and fault history are not required, press RESET key after fault cause has been corrected and do not perform the

remaining steps of this procedure.

This will clear the fault and the control will auto-

matically return fault and be ready for operation. Please note that thesecond, third, etc. faults have stored in the memory. It is recommended that they be recorded for possible future reference.

Hlstory and Operation Data Rewired:

Press

SHIFT

for the first digit of the Function Code Display is lit

to retrieve operation data at the time of the fault.

Press the information in the Data Display: (See Figure 5-4.)

quency will be displayed.

tion State will be displayed.

Selection LED under the firstdigit of the Function Display and advance control the the Op-

State Number (1) will be shown in the fourth State will be shown in the third, second, and

first digits of the Data Display.)

the Data Display.

State will be displayed as in

UP ARROW

Press once to select Fi

Press a second time to select F2 and the Sat

Frequency will be displayed.

Press a third time to select F3 and the Output

Current will be displayed.

Press a fourth time to select F4 and the Opera-

Press SHIFT key once to turn off Function

eration State Retrieval Mode. (The Operation

digit of the Data Display and the Operation

Press the

Operation State Number (2) in the fourth digit

of the Data Display and the Operation State will

be shown in the third, second, and first digits of

Press the

Operation State Number (3) and the Operation

Press the UP ARROW key again to display the

Operaton State Number (4) and the Operation

tothe

mode it was in prior to the

not

been

key until the Function Selection LED

key to display the following

and the Output Fre-

UP ARROW

key once to display the

key again to display the

above.

7.8.Fault Hktory Data Not Required: If the fault history is not required, press

after fault cause has been corrected and do not perform the remaining steps of this procedure.

This will clear the fault and the control will automatically return to the mode it was in prior to the fault and be ready for operation.

Fault History Data Required:

Press

SHIFT

for the first digit of the Function Code Dispfay is lit to retrieve fault history data.

Press the UP information in the Data Display:

Press once to select F5 and the last fault (first of a multiple fault occurence) to occur will be displayed.

Press a second time to select F6 and the fault one time previous to the last fault will be displayed.

Press a third time to select F7 and the fault two times previous

NOTE: When RESETkeyispfessed, a ‘moving

the fault history will occur. The inverter can not be reset when a

Press

RESET

rected. Data retrieval for fault monitoring is complete at this point.

This will clear the fault and the control will automatically return to the mode it was in prior to the fault and be ready for operation.

OBTAINING FAULT HISTORY WHEN FAULT IS NOT PRESENT

Press

SHIFT

under the second digit of the Function Code display lights.

-- This selects the second digit.

Press the UP ARROW key or DOWN ARROW key

to set

‘F’.

Press the Function Code Display.

The Function Selection LED under the first digit will light.

key until the Function Selection LED

ARROW

RUN

key after fault cause has been cor-

key until the Function Selection LED

SHIFT

key to display the following

tothe

last fault will be displayed.

command is present.

key to select the first digit of the

RESET

up”

key

NOTE:If you plan on investigating the fault, history

and operation data is required. Also record the date, time, and any information about the machine opefa-

tion prior to the fault.

5-8

NOTE:

inverter is not presently faulted.

There are no fault inputs for Function Codes

to F4 and the Data Display will show I- - -* when the

AF-300C inverters GEK-85718

4.5.Press the UP or DOWN ARROW keys to set the desired number (F5, F6, F7). (See Figure

-- Each fault history will be shown on the Data

Display when selected.

Press RESET key to return to Operation Monitor-

ing mode (no ‘move up’ of fault history will occur).

5-4.)

DATA PROTECTION

Function Code data can be protected against accidental changes by the setting of Function Code 99.

When data is ‘Protected’, it cannot be changed until

Function Code 99 is changed to’Unprotected’. There are two different methods of setting the data protec-

tion. Perform either of the following procedures that

best suits your particular application. OPERATION PROCEDURE

To Set Protection:

Press FAST key first and then SET key (while FAST key is still depressed) to set Function Code

99 to ‘Protected’.

-- Function Code Display will display

neither of the Function Selection LEDs lit.

Data Display will show (0) in the first digit posi-

tion to indicate ‘Protected*. (This will be dis-

played for approximately 5 seconds after keys

are released.)

-- Data Display will then return to its previous

mode.

-- All Function Code data currently set will be protected.

Release

Press FAST key first and then RESET key (while FAST key is still depressed) to set Function Code 99 to “Unprotected’.

-- Function Code Display will display ‘99” with

Data Display will then return to its previous

All Function Code data currently set will no

Protection:

neither of the Function Selection LEDs lit.

Data Display will show (-) in the first digit posi- tion to indicate ‘Unprotected”. played for approximately 5 seconds after keys are released.)

mode.

longer be protected.

“99”

with

(This will be dis-

OPERATION PROCEDURE

Press SHIFT key until Function Selection Led under the second digit of Function Code Display is lit.

-- This selects the second digit.

Press UP or DOWN ARROW keys until played in the second digit position.

Press SHIFT key to advance to DataSetting Mode.

Press UP ARROW key to set to “Protected” status.

-- (0) will be displayed in the first digit position of

Press DOWN ARROW key to set to “Unprotected status.

-- (-) will be displayed in the first digit position of

Press SET key to store selection into memory.

Press RESET key to return to Operation Monitoring Mode.

TRIAL KEYPAD OPERATION (Optional)

Before trial operaton of the inverter, ensure that all inspections outlined in the “Before Applying AC Power Inspections’ paragraph have been performed.

WARNING - MECHANICAL MOTION HAZARD:

wlth the “Local/Remote” switch In tion, presslng the FWD or REV key motor to rotate. Any RUN permissives that may be wired to the FWD or REV termlnals are Ignored.

If a test run Is desired, run the inverter at a low frequency of around 5 Hertz. Conduct thetrial operation per the following procedure:

1. Disconnect all couplings and belts that connect the electric motors and machinery so as to allow

independent operation of the electric motors.

‘9’

is dis-

First digit of Function Code Display will auto-

matically be set to

Current status of “Protected’ (0) or ‘Unpro-

tected” (-) will be be displayed in the first digit position of the Data Display.

Both Function Selection LEDs will go out.

Data Display.

Y9*

also.

Data Display.

When

If the electric motors are connected directly to the machinery, verify that any mechanical motion will not pose a safety hazard.

running

from the Keypad Panel

the”Local” posl-

will

cause the

5-9

2. Set all operating switches to OFF and set Remote’ switch to

3. Apply AC power.

Control circuits and sequence circuits will be activated and charge LED will light.

Data Display portion of blink

‘LoAd”

internal data.

‘LoAd” ceases to blink while CPU is checking

that Function Code set data matches the specification.

Touchpad Panel will display last operation mode

of invetter prior to removal of AC power.

4. Use “Increase Speed” or ‘Decrease Speed’ keys to set desired reequency. (A low frequency of

about 5 Hz is recommended for the first run.)

5. Give a Forward or Reverse command and check for the following: (See Figure 5-5.)

Correct direction of rotation.

Smooth rotation of motor.

Any abnormal vibration or noise in the motor.

Smooth speed increase and speed reduction.

“LocaIn

position.

Touchpad

while the CPU is checking the

‘Local/

Panel will

6. Check for any abnormal heating, fumes, etc. while motor is rotating.

7. Perform the following using the Keypad Panel: __

8. Reconnect any equipment disconnected in step of this procedure.

9. Perform steps 5 thru 7 with the load connected. NOTE: If any Function Code settings need to be

changed, refer to ‘Setting Function Codes’ paragraph

in this Section.

Raise the reference frequency gradually and

verify that it reaches top frequency for the

particular application (typically 60 Hz, default setting from factory).

Check AC motor current (should be approxi-

mately 3040% of rated current with no load). Lower the reference frequency and stop the

motor.

OUTPUT

p-p-p-j

Figure 5-5. ELECTRIC MOTOR ROTATION

5-10

AF-300C

Inverters

GEK-85718

CONTROL CIRCUIT CONNECTION AND OPERATION

Basic connectlons

from the Keypad Panel are shown in Figure 5-6 (this is a factory installed jumper).

A wiring example of commonly used signals

are optional for either Keypad Panel Operation or External Operation (through control circuit terminals) is shown in Figure 5-7.

Connection description is as follows:

- 3OA,

308, 30C - Fault Relay Output used for

alarm circuits, etc.

- FMI,

FM2 - Used for external analog meter

when frequency indication is needed.

THR - Connected to

Connects to a normally closed contact. When inverter STOP is desired through external alarm, open this contact. The inverter will trip on

‘OH2’ and the motor will coast stop.

RST

-Connects to a normally open momentary

contact for resetting a fault externally.

that are required for operation

that

terminal at factory.

-- BX - Connects to a normally open contact. When motor coast stop is desired during normal operation, close this contact

and remove

the RUN command (FWD or REV).

Termlnal Connectlons required for operatlon from Keypad Panel

are shown in Figure 5-8.

Operation is as follows:

Rotation Direction - Press for forward rotation or

FWD on the Keypad

REV

on the Keypad for

reverse rotation.

-- Frequency Setting - The frequency reference can come into the inverter in one of the following ways when the

in the

‘LOCAL’

LOCAL/REMOTE

position.:

switch is

1. Set the motor speed by pressing the INCREASE SPEED or DECREASE SPEED kevs on the Keypad Panel to increase or decrease the inverter output frequency.

2. Multi-Step Speed Settings can be selected by terminals

Xi,

X2, and X3. (Programmable preset frequencies in the Function Codes can be selected.)

-- See Figure 5-9 for RUN Operation example.

3ORj31BjIICIRUN]

RXl/RX2lCflElFRRI

l CAUTION: lf it is desired to use thermal interlocks, remove the

jumper from between terminals THR and CM, and connect nor-

mally closed thermal interlock contacts in series between THR and CM.

lFtIl]Ftl2 Vl

1~13~111 I12 I13 IFUU~REV~

1 Cl 1 Xl 1

X2]

X3 1 en

BX I en

Figure 5-6. FACTORY CONNECTIONS

: If it is desired to use thermal interlocks, remove the

between terminals THR and CM, and connect nor-

thermal interlock contacts in series between THR

INlERWL CIFXUIT

IRTlIRt21AUT

ITHR~RST~ pu I IL

Figure

5-7. EXAMPLE OF COMMONLY USED SIGNALS

5-l 1

AF-300C lnverters

GEK-85718

Forward

AXljRX2ICtlEIFAR[

3ml3~~13mcl~u~I

CAUTION: If it is desired to use thermal interlocks, remove the

jumper from between terminals THR and CM, and connect nor-

mally closed thermal interlock contacts in series between and CM.

IFllllFH2l VI 1

IFDT~ 11 I12 I13 IFUD~REV~ Rx I

Cl 1 Xl 1 X2 1 X3 1 Cn

THR

Figure 5-8. KEYPAD PANEL OPERATION CONNECTIONS

IRTlIRT2(RUt

ITHR~RST] PU 1

I I

Reverse

*FWD-CM and RRI-CM terminals arre both ignored.

WARNING - MECHANICAL MOTION HAZARD:

When running from the Keypad Panel with the “Local/Remote’ switch in the ‘Local” position,

pressing the FWD or REV key will cause the motor to rotate. Any RUN permissives that may be wired

to the FWD or REV terminals are ignored.

Figure 5-9. KEYPAD PANEL ‘RUN’ OPERATION EXAMPLE

5-12

AF300C

lnverfers

GEK-85718

Terminal Connections

required

for Remote

Operation are shown in Figure 5-l 0. Connection description/operation is as follows:

-- Rotation Direction -Make contact between FWD-CM for forward rotation or between REV-

CM for reverse rotation.

-- Frequency Setting - The frequency reference

can come into the inverter in one of the follow- ing ways when the LOCAL/REMOTE switch is in the ‘REMOTE’ position:

1. Speed Pot - 1 K ohm,

connected to terminals

2. Voltage - 0 to

and 11 (11 is common).

+I0

3. Current - 4 to terminals Cl and 11 (11 is common).

l/2

watt potentiometer

11,12,

and 13.

VDC signal to terminals

2OmA

DC current signal to

(Ter-

minal AUT must be connected to CM.)

Speed Pot Plus Voltage - 1 K ohm,

l/2

watt potentiometer connected to terminals 11, 12, and 13 is added to 0 to +I 0 VDC signal connected to terminals Vl and 11.

5. Voltage Plus Voltage - 0 to +I 0 VDC signal connected to terminals Vl and 11 is added to 0 to + 10 VDC signal connected to terminals 12 and 11 (11 is common).

6. Multi-Step Frequency Settings - Selected by terminals Xi, X2, and X3.

(Program-

mable preset frequencies in the Function Codes can be selected.)

7. UP/DOWN Control (Simulated Motorized Potentiometer) - Selected by terminals Xl and X2.

-- See Figure 5-l 1 for Remote RUN Operation exe--,-

al I ipia.

‘1

CAUTION: If it is desired to use thermal interlocks, removethe

jumper from between terminals THR and CM, and connect nor-

mally closed thermal interlock contacts in series between THR

and CM.

Figure 5-10. REMOTE OPERATION CONNECTIONS

5-l 3

Forward

Reverse

I I

: I

ON ON

Figure

5-I 1. REMOTE OPERATION EXAMPLE

CAUTION: lf it is desired to use thermal interlocks, remove the jumper from between terminals THA and CM, and connect normally closed thermal interlock contacts in series between THR and CM.

Flgure 5-12. MULTI-STEP FREQUENCY OPERATION CONNECTIONS

5-14

ACTUAL OPERATION

Terminal connections and Function Code selections for Multi-Step Frequency Operation and MultiStep Acceleration and Deceleration Operation are as described in the following subparagraphs.

MultI-Step Acceleration and Deceleration Opera-

tion terminal connections (RTI, shown in Figure 5-14. Fourdifferent acceleration and deceleration times can be externally selected.

1. The multi-step acceleration and deceleration

Multi-Step Frequency Operation terminal connections (Xl, X2, X3 terminals) that are required are shown in Figure 5-12. Multi-step Frequency Operation can be used to select one of eight different speed settings (one manual setting and seven preset settings).

1. The multi-step frequency Function Code

set-

tings are:

[23]

1241

[25] [26]

[271

[29]

for multi-step frequency 1. for multi-step frequency 2. for multi-step frequency 3. for multi-step frequency 4. for multi-step frequency 5. for multi-step frequency 6. for multi-step frequency 7.

3. See Figure 5-15 for RUN Operation example.

2. See Figure 5-13 for RUN Operation example.

RT2,

terminals) are

Function Code settings are:

[16]

for acceleration time 1.

[2A] for acceleration time 2. [2C]

for acceleration time 3.

[2E] for acceleration time 4. [17] [2b] [2d] [2F]

for deceleration time

for deceleration time 2. for deceleration time 3. for deceleration time 4.

Forward

-CM

Fw!?CM

~%.l

_ ri-

i .

i ;

-. .

SPEED 1 (FUNCTION CODE

SPEED 2 (FUNCTION CODE 241

SPEED r-SPEED 3 -

CFUtKTION SFEED 4 (FUNCTION 5

! .

23)

CODE

lFUNCT.I 251

MRNUFL

-SPEED 6 (FUNCTION CODE

CODE

-~-ON

263

CODE

SPEED

SPEED 7 (FUNCTION

I *

27)

28)

CODE 29)

Figure 5-13. MULTI-STEP FREQUENCY ‘RUN’ OPERATION EXAMPLE

5-15

*l CAUTION: lf

jumper from between terminals THR and CM, and connect nor-

mally closed thermal interlock contacts in series between THR

and CM.

it is desired to use thermal interlocks, remove the

Figure 5-14.

Forward

FWII

-CM

MULTI-STEP ACCELERATION AND DECELERATION OPERATION CONNECTIONS

I I

;

: !

: ’ :

I I

Figure 5-15.

MULTI-STEP ACCELERATION AND DECELERATION “RUN’ OPERATION EXAMPLE

5-I

TABLE 5: FUNCTION CODE DATA

Mode

OPERATION MONITOR

BASIC

PARAMETER

Funct. Code Name

02(“)

03 04 Output Voltage

0.5(“)

06 07 Output Signal Status

08 Motoring Torque Limit 09 Braking Torque Limit OA

10 11

12 13 14 15

16(‘3) 17r.3, lp)

Output Frequency Reference Frequency

Synchronous Speed

Output Current

Machine Speed

Input Signal Status

Calculated Torque

Maximum Frequency Base Frequency Rated Output Voltage Frequency Bias High Limiter Low Limiter

Acceleration Time 1

Deceleration Time 1

Frequency Gain Torque Boost Auto Energy Saving Op.

Elec. Thermal Overload

Setting and Indication Data Factory

Range

Indicates During Operation Hz

u II II ,I II II II II II II

II II II I, II II II

I, ,I II II

II I, II II II

50.0 - 400.0 (*5) 50 - 400 (*5) 320 - 460 O-400 O-400 O-400

0.2 3600

0.2 3600 O-200 O-20 Yes - (0), No - (-) 0 (not used) 50 -105

II II

II ”

&&t

HZ RPM

Amps 1 Amp ---Volts 2v

RPM

____

-*--

----

____

HZ HZ

set set

Increment Setting

0.1 Hz ----

0.1 1 RPM ----

1 RPM ----

mm-* ____

11.m

____

----

0.1 Hz 1 Hz

1 Hz 1 Hz 1 Hz

0.1

0.1% 1

mm-

set

----

____

-___ mamm

----

-w-s

60.0 Hz 60 Hz 460 V

OHz

60 Hz 1 Hz

2O.Osec

20.0

105.0 %

No (-1

105%

set

AUXILIARY

PARAMETER

20 21 22

23p2) 24e’ 25(‘2)

26r2) 27r2)

28r2) 29m

2b 2c 2d 2E

2F 30

DC Brake Starting Freq.

DC Brake Voltage DC Braking Time Multi-Step Freq. Setting 1 Multi-Step Freq. Setting 2

Multi-Step Freq. Setting 3 Multi-Step Freq. Setting 4 Multi-Step Freq. Setting 5

Multi-Step Freq. Setting 6 Multi-Step Freq. Setting 7 Acceleration Time 2 Deceleration Time 2 Acceleration Time 3 Deceleration Time 3 Acceleration Time 4 Deceleration Time 4 Accel / Decel Pattern

0.0, 0.5 - 60.0

0.0 - 10.0

0.5 - 400.0

0.2 - 3600

0.2 - 3600 0,

1,2.

5-17

Hz %

Hz Hz Hz Hz Hz

Hz Hz

set

set set

0.1

___

% set

Hz Hz Hz Hz Hz Hz Hz

set set set set set set

0.0 Hz

10.0%

0.5

set

0.0 Hz

0.0 Hz 100

set

100

set

100

set

100

set

100

set

100

set

TABLE 5: FUNCTION CODE DATA (continued)

Mode Funct.

Code

31 32

33(‘2)

AUXILIARY PARAMETER (continued)

34(-j 35(“)

36(‘2)

37 38 39 3A

3d(*2) 3~(*21

40 41

43(‘4)

44 45 46 47

Name

Tone Control Selection Overload Early Warning

Motoring Torque Limit Braking Torque Limit Freq. Detection Threshold

Freq. At Reference

Start Frequency Start Freq. Holding Time

Jump Frequency 1 Jump Frequency 2 Jump Frequency 3 Jump Frequency Range Number of Motor Poles Coefficient Mach Spd. Pulse Freq. Meter Coeff ic.

FWD/REV Command Hold

(3 wire control) Up / Down Control

Restart After Power Failure Under Vottage Alarm Open Coil. Output Select Slip Compensation Control

Voltage Signal Polarity Op.

Yes (0), No

Setting and Indication Data

Ranqe

1) 2,3,4. 50-105 0,20 -

180

0,20-180

l-400

0.5 - 5.0

0.0 - 10.0

0.0,0.5 -

0.0,0.5 - 400.0

0.0, 0.5 - 400.0

0.0 - 5.0 2,

0.1 - 10.0 6-100 Yes (0), No

Yes (0), No Yes (0), No Yes (0), No

0.0 - 2.5

4,6,

8, 10, 12

1,2.

400.0

(-)

(-) (-) (-)

(-)

yniJ

___

% %

HZ HZ HZ

set

HZ HZ HZ HZ

___ _I

___ H.?

___

Increment

--a

1% 1% 1% 1 Hz

0.1 Hz

0.1

set

0.1

0.1 Hz

0.1 Hz 2

0.1 1

--w

Factory

Settinq

105% 150%

100%

30 Hz

2.5

0.5

0.0

set

0.0 Hz

2.0 Hz 4

1.0 30 Yes (0)

No (-I No C-1

Yes (0) 0

0.0 Hz

No f-1

ADJUSTMENT

PARAMETER

PROTECTION

Because the data display is four digits, if the indication exceeds four digits it will be shown as automatically. (Example: 12000 RPM

These parameter values can be changed during inverter operation; other parameters can only be changed when the

inverter is stopped.

*3 If the setting of Acceleration/Deceleration time exceeds 100 seconds, the minimum setting unit resolution will become

1 second.

Momentary power failures only (duration may vary with horsepower and load).

Consult distributor for operation above 120 Hz.

50 Freq. Meter Calibration 70.0 - 105.0 % 0.1% 100.0%

Set Data Protection Yes (0), No (-)

would

be displayed as 1200 RPM.)

5-18

___

__-

1110

of the actual

No t-1

AF-300C lnverfefs

TABLE 5: FUNCTION CODE DATA (continued)

GEK-85718

Mode

FAILURE INDICATION

Funct. Name

Code

F2 F3 F4

F5 F6 F7

Fautt Message

Output Frequency at Fault Setting Frequency at Fault Output Current at Fault Operating Mode at Fault Fault Memory 1 Fault Memory 2 Fault Memory 3

Settina and Indication Data

Indication Failure Condit. Hz

NOTES:

yniJ

Increment

0.1 Hz

Factorv

Setting

---

5-l g

NOTES:

AMOOC

hefters

GEK-85716

5-20

FUNCTION CODE DESCRIPTIONS

TABLE 6: FUNCTION CODE DESCRIPTIONS

OPERATION MONITOR FUNCTIONS

Functions 00 n OA

The operation monitor will indicate any of the data selections shown in the chart on the right.

For monitoring functions 02 (synchronous speed)

and 05 (load turning speed), it is necessary to set auxiliary parameters 3d and 3E.

NOTE:

the indication exceeds four digits it as

12000 RPM would be displayed as 1200 RPM.)

--The input signal status and output signal status can be monitored via the keypad by going to Function Code 06 or 07, then using the UP/ DOWN ARROW keys to change the fourth digit.

The chart on the right shows what signals are shown in the first, second, and third digits.A

indicates that the signal is present; a

the signal is not present.

Because the data display is four digits, if

will

be shown

7110

of the actual automatically. (Example:

“-’

means

“0’

Function

00 01 02 03 04 05 05 07

09 OA

F Unction

Uo?

AF-300C Invertem GEK-85716

Description

Output Frequency Reference Frequency

Synchronous Speed Output Current Output Voltage Machine Speed Input Signal Status Output Signal Status Motoring Torque Lim. Braking Torque Limit Calculated Torque

Ind. Unit

HZ HZ RPM A V RPM

BASIC PARAMETER

SElTlNG

Functions 10 - 19

Voltage/Frequency Setting Characteristics

Function 10 Maximum Frequency

(fmax) Function 11 Base Frequency (fbase)

Function 12 Rated Output Voltage

(Vrated)

These parameters will be set with fbase, Vrated, and fmax adjusted to the rating of the electric motor. Consult distributor for operation above 120 HZ.

fbase:

Vrated: 320

fmax:

Function 13 Frequency Bias When the frequency setting signal is at

50 to 400 Hz

to 460 VAC

50-400

Hz/freq.

set signal 100% time

(fbias)

O%,

bias can be added so that the inverter will run at a specified frequency even with zero reference applied. (Used to add an offset to the low end of the reference signal.}

fbias: 0

fmax

Frsauency smng slwar

MO%

6-l

AF-300C lnverters

GEK-85718

Adjustment of Upper/Lower Limits

Function Function

14 High Output Freq. Limiter 15 Low Output Freq. Limiter

(IHL)

(fLL)

The upper and lower limiters can be set so that the

inverter output frequency will stay within these limits.

This

will prevent motor overspeed and under-

speed.

NOTE:

If the High Limit is set lower than the Low Limit, the Low Limit will be ignored and an error indication (Errl) will be displayed.

fHL: 0 to fmax fLL: 0 to fmax

outoul

frwurney

:::, pq

Fm~uemcy srt!lng ugnil

look

AccjDec time setting

Function 16 Acceleration Time Function 17

Deceleration Time

(lVo.

(t,,=,) (t,,,)

The acceleration and deceleration times define the

amount of time it takes between 0 Hz and fmax.

ACC, : 0.2

DEC, :0.2

Function

to 3600 seconds to 3600 seconds

18 Frequency Gain (Gain)

The frequency gain adjustment can be used to scale the analog voltage reference at the top end.

Gain: 0 to 200%

When the freauencv setting

sicrnal

is applied with a

current input, this function cannot be used.

Function 19 Torque Boost

21 patterns can be selected (torq. boost = 0 to 20).

-- Patterns (0) and (1) are used for low torque loads

(available for fans and blowers, thus improving characteristics such as vibration, noise, and efficiency.

-- Pattern (2) is characteristic of V proportional to

the square of f up to fSase/3.

-- Pattern (3) is characteristic of constant V/f up to

ff3ase.

-- Patterns (4) through (20) are to increase V/f in a

low frequency range between 0 to

fSase/3

to make up the torque at low speed operation and to give torque boost characteristics.

Torque Boost: 0 to 20

Settmg swul

0u10ut

lfeauenw

fwx

outw wttagr

Time

ACC. mlt

Output

Ihe. tlma

frraurncy

6-2

Function 1 A Automatic Energy Saving Oper.

When automatic energy saving operation is selected, voltage is reduced as shown. The voltage is decreased as the load current decreases. 0

= Active

= Inactive

Outout

voltage

AF-300C

hvertefs GEK-85716

Function 1 bElectronic Thermal Overload

I Electronic thermal setting should be made with the following equation: Electronic Thermal Overload =

Rated electric motor current x 100%

Rated inverter current

--When using a 4 pole, 3 phase motor, the motor

can be protected from overload without an external thermal relay.

-- The electronic thermal calculation compensates

for a decrease in motor cooling at low speed .

--When using one inverter with more than one

motor, an external thermal overload relay should be used for each motor.

-- lfthe ElectronicThermal Function is not used, set

at 0%.

CAUTION:

lav

meets the reauirements of

The electronic thermal overload

4-Dole

standard

re-

motors onlv. When anv of the followina conditions exist, use conventional overload relavs instead of

the electronic overload built into the inverter.

-- Motors other than 4-oole tvpe.

Special motors (anv non-standard motor).

For a orouc oneration where two or more motors

are run usinn a sinole inverter.

-- Aoplication has frequent startinn/stocoinq,

-- Operation is at 10 Hz or less.

* 105%

30%

Threshold Where Timing Begins Based

On Output Frequency And Current,

And Electronic Thermal Overload Setting

Time

Before

Trip

(Min.)

6-3

Output Current

(%)

Inverse Time Characteristic with

Electronic Thermal Overload = 105%

AUXILIARY FUNCTION CODES

Functions 20 - 47

DC Brake

Function Function 21 Function

Brake Start Freq.: 0.0, 0.5 to 60 hz. Brake Voltage: Brake Time: Brake Duty Cycle:

The DC brake is applied when aSTOP command is

given and the inverter output frequency is at or below the DC brake start frequency.

-- If the motor/load inertia is so large that the rotation is not stopped aftertheset DC brake time (10 seconds maximum), the motor/load will coast

until stopped.

-- When DC brake is not used, set the Brake Start

Frequency to

20 DC Brake Start Frequency (f,-,J

DC Brake Voltage (VocJ

22 DC Brake Time

(t&

otolo%

0 to IO seconds 5% maximum

“0’.

Ouwut houency

(turnmg screw)

:::lzYL

Mu/f;-Step Frequency Setting Selections 1 - 7

Function Function Function Function Function Function Function

23 Multi-Step frequency1(MSSl) 24 Multi-Step

frequency 25 Multi-Step frequency 26 Multi-Step 27 Multi-Step

frequency

frequency 26 Multi-Step frequency 29 Multi-Step frequency

2 (MSS2) 3 (MSS3) 4 (MSS4) 5 (MSS5) 6 (MSSG) 7 (MSS7)

External contact signals allow a selection of seven speeds.

Each step speed can be set between 0.5 and 400 HZ. The rate of change of the output frequency be-

tween each step is adjustable by the accel/decel time setting. NOTE: Multi-step frequency opefaticm overrides

other frequency reference signals.

Relationship Between Terminals and

Fun. Code

x2-w

X3-M

Multi-Step Frequencies 1 to 7

Depel LoC/R

off

off Cfl

liiii

Cff

On On Off Off On Or Off Off On On On Or

Speed

iii+,

6-4

AcclDec Time Settings Numbers 2 - 4.

Function Function Function 2E Function 2b Function 2d Function 2F

2A Acceleration Time

2C Acceleration Time

Acceleration Time Deceleration Time Deceleration Time Deceleration Time

(fAcc2) (fAcc3) (tAccd)

(t,,,) (t,& (t,,&

Function Code External Contact

Signal

IT1

-CM

FtT2-CM

Acc/Dec Acc/Dec Acc/Dec Acc/Dec

otl cm

#2 #3 #4

off

9ff On

On On

-- The time between 0 to fmax and from fmax to 0 can be set anywhere between 0.2 to 3600 sec-

onds.

-- Accel and Decel time can be selected from four

different acceleration and deceleration groups

using the RTI and

RT2

terminals.

-- Even during acceleration and deceleration, Ac-

ccl /Decel time can be changed using the exter-

nal contact signals

Function 30

Accel/Decel

FITI

and RT2.

Pattern

ACC/DEC Pattern Setting

Linear ACC/DEC Curve ACC/DEC Curve ACC/DEC

NOTE:

Linear pattern will override Pattern B if

‘A’ ‘B’

0 1 2

fmax is greater than 60 Hz.

NOTE: This function cannot be used in the event

Multi-Step Frequency selection is made.

Settmg swat

Acceleratron

AvaAaBle

Curve A -

for

telectmg

‘S’

cUN’3

..,

time

two

Oecelerat~on time

kmds of patlerns:

Cunre

B - For Use On

Fans And Blowers

ltvu

Time

Trma

an0 B

lime

Function 31 Tone Control Selection

There are four different tone control selections that set the chopping frequency of the inverter output transistors. This can be used to reduce audible resonant frequencies from the motor.

IFunction 32 Overload Early Warning Signal

An early warning signal is given if the inverter output current exceeds the overload alarm level for a certain period of time.

This is an open collector output. If the optional relay unit is used, this signal can be used as a dry contact output.

‘0’ is

set, this function is inactive.

Operating Time

6-S

AF-300C hverters GEK-85718

Torque Limiter (Motoring and Braking)

Function Function 34

33 Motoring Torque Limit (T,J

Braking Torque Limit (T,J

-- Torque is calculated from the output voltage and current of the inverter.

-- This function can improve impact load restoration characteristics during ACC/DEC and constant

speed

operations and improve instantane-

ous restart ability.

Reoeneration Avoidance Control

Set braking torque limit to

O%,

and power regeneration to the inverter will be limited to obtain deceleration characteristics close to coasting.

Automatic ACC/DEC Even if the acceleration and deceleration time is reduced to less than the time fixed by load inertia, automatic acceleration and deceleration can be maintained by maintaining the torque limit level.

NOTE:

optional brake unit and brake resistor will

To obtain more torque on deceleration,

re-

quired.

Torque Limit Setting Range (Motoring and Braking)

-- Set to

“0”

to render inactive.

-- Adjustable from 20 to 180%.

(Motoring)

Slip = 0

Torque

(Braking)

Slip

NOTE:

The

data setting for

Function Code 34 is

100% (assuming that a braking resistor is connected). If no braking resistor is connected, setting should be changed to 15% or less. If left at

lOO%,

an overvoltage trip will occur during deceleration if the decel time setting is too shortforthe motor/load inertia.

Function

This signal

35 Frequency Detection Threshold

(FDT)

is active (On) when the outputfre-

quency exceeds the detection level.

This is an open collector output. If the optional relay unit is used, this signal can be

used as a dry contact output.

Outout

signal

(f-01-WE)

OUIOUI treauency

Time

6-6

Function

36 Frequency At Reference (FAR)

This signal is active (On) when the output fre-

quency reaches the reference frequency.

This is an open collector output.

If the optional relay unit is used, this signal can be used as a contact output. FAR: 0.5 to 5.0 Hertz

Starting Actions

Function 37 Function

Starting frequency set range is 0.5 to 5 Hz.

Starting Frequency

36 Start Frequency Hold Time

(F,)

v,,,,)

-- Starting frequency holding time setting range is

0.0 to 10 sec.

A starting frequency and holding time can be set that is suitable for the starting torque characteris- tics of the load.

(Setting is ignored during decelera-

tion and reverse operation.)

Frequency Jump

Outpul

freouency

OS- snz

Time

These functions are used to avoid the natural mechanical vibration of the load. Three jump frequencies can be set. Jumpfrequen-

ties

are not active during acceleration and decel-

eration or if the multi-step speed settings are used.

The jump frequency range is adjustable between 0

to 5 Hz. (When the jump frequency is not used, set it to ‘0.0’.

Jump 1, Jump 2, &Jump 3:

0.0,0.5 to 400 Hz

Number of Electric Motor Poles Speed Conversion Coefficient.

Function 3d Function 3E

Number of Motor Poles

Machine Speed Conversion

Coefficient.

These Function Codes are set to monitor the synchronous speed of the motor and the machine speed.

fUAx

Oulout

trBauulcv

Function

Jum wdlh sat&o

Settins Ranae

2, 4, 6, 8, IO,

0.1

:&5.0H~

100%

- 10.0

.tumo twawncy

WlOJl

Machine Speed = (Motor Synchronous Speed) X (Machine Speed Conversion Coefficient).

6-7

Frequency Monitor

Function Function 50

40 Pulse Freq. Meter Coefficient

Analog Freq. Meter Calibration

The inverter output frequency can be monitored from terminals FM1 (+) and FM2

SW2on the Main Control Card in the

(-).

Set Jumper

I-2

position for an analog meter or in the 2-3 position for a pulse type meter.

Function 41

FWDIREV Command Hold (3-wire)

This function enables control by a one-shot (50ms minimum) RUN/STOP command (FWD and REV command), External self-sealing circuits can be omitted. When this function is selected, multi-step speed settings from 1 to 3 can be used, but those from 4 to 7 cannot.

NOTE:

After

commend

hold, no other commands

will be received uniess a STOP command is given.

Active: Inactive:

Function

‘0’

(3-wire control, momentary contacts)

1-11

(2-wire control, maintained contacts)

42 Up-Down Control Selection

Pulse Period =

-----------------o Analog output

Output

voltage

‘b-l

l/nf

1ov

(sec.)

output

frequency

n coefficient 6 to 100 f =

lnvetter Output

100%

lmaxlmum Irequency)

Pulse Signal Width

be 60 msec. or longer

Freq.

Calibration Range:

70x-

105%

17v- 1o.m

m&it

The frequency can be increased and decreased using terminals Xl -CM and X2-CM. This function simulates a motor driven potentiometer.

In addition, if power is shut down, set value is stored. When operation is started again, inverter will come up to the stored frequency.

NOTE:

sealing selection, and

The functions of multi-step

up-down

frequency,

control use the

self-

same terminals. Thus, there are four possible combinations of operation. A// three functionsca nor be used simulraneouslv.

Act.

IAct. 1

Up-down control

Comm-hold sel.

NOTES: When this control function is selected, multistep

speed setting 4 (Function Code 26) can be used, but the other six settings cannot.

Multi-Step Speed Setting, and Up-Down Control cannot be usedsimultaneously because the same terminals are used for these functions.

If the Up-Down function is selected, external

quency

setting signals (voltage and

gored. If Up-Down buttons are pressed at

down will take precedence.

FWDIRN

Command Hold,

current)

the

same time,

fre-

are

in-

6-8

Function 43

This function specifies whether the inverter is to be

restarted automatically when power is recovered after a momentary power failure.

If automatic restart is selected, the inverter is restarted after power recovery under the following conditions:

Function44IUndervoltage Alarm

When

undervoltage level, inverter will cease to give an

output.

to indicate alarm and transmit an alarm signal

indicate that it has reached the undervoltage level without self-holding (can select either one).

main circuit

Auto-Restart For Momentary

Power Failure

voltage decreases to the

Atthattime, it will self-hold the failure signal

1. The power failure duration is within the allowable time.

2. A RUN command is present when the power is restored.

3. Must be in “Remote” Mode.

Setting

0 __

Alarm

Setting Operation Self-Hold Alarm

Auto-Restart Active

stop Stop No

Yes

Status YES NO

Ind

Y0S

Yes No Trans.

Transmit

Sig,

Function 45

The

RUN, FAR, FDT,

to output faults and operation monitoring signals.

The output mode can be selected with this func-

Open Collector Output Selection

OL, and LV terminals are used

Output Signal Selection

lk%i * I ’

Symbol

tion. Three modes, 0, 1, and 2, can be selected. If

mode 1 or 2 is selected, signals are output in a bit pattern (see following charts).

This function is used for external indication of

Operating Mode and/or Fault Condition. NOTE: individual fault signal will output only one

fault,

even if more than one fault occufs simultane-

ous/y.

Combination of Individual Fault Output When Setting Is

Individual No

Fault

Terminal

RUN (MSB) Off FAR FDT

(LSB)

Fault

Off

oc ou

Overcurrent Over

Voltaae

Off Off On

Off On

Off

iLver,oad

nals

“1’

Under Voltaae

Off On On

OLl

lnverter Overload

On Off Off

Early Warning Early Warning

Undervoltage Undervoltage

Alarm Alarm

OL2 OH1

Elec.

Overload Overheat On

Off On On

Motor lnverter

Off

vi&al

Fault Sig-

OH2

External Alarm .

On On On

6-9

Function

45 Open Collector Output Selection (continued)

Operation Monitor Output When Setting

Individual Fault

LU OLI

OL2 Electric Motor Overload

OH1

OH2 External Alarm

Operation Monitor Output When Setting

lnverter Running

Overvoltage

Undervoltage lnverter Overload

lnverter Overheat

Is ‘2” (When inverter is tripped)

Terminal Symbol

ILSBl

OL1 FDT1 FAR 1 RUN

Off

On off On off On Off On

Off

“2”

(While inverter is not tripped)

Hoff /off

On On Off Off On On Off

Hoff

off off off off

On Off On Off On Off On Off Off On Off On

off off off off

lMSBl

Off Off

Off

Off 3 Off 4 Off off off

~off

Off 9

Decimal

Eaulv.

5 6 7 6

P P

P P P P

NOTE:

Function

Used for compensation of speed errors caused by load fluctuation. A slip frequency corresponding to

the load current can be added; compensation range is 0.0 to 2.5 Hz.

P A A

P P

)

indicates that monitor signal is present (True), A indicates that monitor signal is absent (False).

46 Slip Frequency Compensation

P P

A P Off Off Off Off On

P P

A On Off On On Off P

Off On On On Off On On On On Off

On Off Off Off On

16 17

6-10

Function 47 Operation By Signal Polarity

This function enables the direction of motor rotation to be changed according to the polarity

(+, -)

of the frequency setting voltage.

To operate the inverter with an external frequency

setter, turn on the switch between terminals FWD

and CM. Apply a positive voltage (+ 10 VDC) to terminal Vl to turn the motor in the forward direction, or apply a negative voltage to the terminal to turn it in the reverse dirction.

If the switch between terminals REV and CM is on,

a positive voltage applied to terminal

turns the motor in the reverse direction and a negative voltage to the terminal turns it in the forward direction.

This means that the motor rotation direction can be

changed simply by changing the polarity of the setting voltage.

‘0’

(zero):

Active

‘-’ (dash): Inactive

CAUTION:

made, the analoa sianal is iunored. When this happens, the rotation direction will be set accordina to terminals FWD and REV.

AF-300C

lnverters

. ’

GEK-85716

S&itch

(RN-CM)

If a Multi-Step Freauencv selection is

DATA PROTECTION

Function 99 Data Protection

Function Code settings can be protected so that

they cannot be changed or lost accidentally. Protected data cannot be changed without first

cancelling the data protection function. The Data Protection function can be operated in the following two ways:

1. Select Function Code 99 using the SHIFT and

UP ARROW or DOWN ARROW keys. Use the SHIFT key to set the unit to Data Setting Mode. If

thedata

protected, displays

is protected,

“--’

is displayed. Pressing the UP key

“O’,

then pressing the SET Key stores

‘0’

is displayed.

If it is not

this value in memory and disables a data change.

Pressingthe DOWN key displays”--“, then pressing the SET Key stores this value in memory and enables a data change.

2. While holding down the FAST key, press the SET key to protect the data or the RESET key to release data protection. The display shows

‘0’

when the data cannot be changed (protected) or

‘--”

when the data can be changed (not pro-

tected). The current display is held for five seconds after

the keys are released and then returns to the previous display.

NOTE:

In the Fault Monitoring Mode

while the data display is blinking, the Data Protection function cannot be selected.

6-I 1

Af-300C lnverters

GEK-85716

FAULT INDICATION AND DETECTION

fault

lndicafion

Functions FO - F7

The fault indication function is composed of the following three pans:

1. Indication of the present fault.

2. Indication of operating conditions at the time that the fault took place.

3. Indication of previous faults.

When a fault occurs, the mode will automatically be switched to the Fault Display Mode.

-- If the fault is a complex one (two or more simulta-

neous faults), use the UP or DOWN ARROW keys

to change the 4th data digit and the faults will be

displayed in the

-- Inaddition, the operating conditions at thetimeof the

present fault only

tions Fl

-- Also, the first fault for the previous three fault trips

can be indicated by

NOTE:

when multiple faults occur at the same time.

through F4.

First fault means the first detected fault

1st

2nd, and 3rd digits.

can be indicated by Func-

through F7.

A more detailed explanation on obtaining fault

information can be found in Section 5 of this Instruction Book. If the fault will be investigated, obtain as much fault information as possible before resetting the inverter to resume operation. Also record the date, time, and any information about

the machine operation prior to the fault. This will

help in determining the cause more quickly.

Function Code

___-

----

F2 F3

F5 F6 F7

Indication Data (by digit)

4th

- 7 in

order 0

occurence.

E r r E r r

1-4inorder

of indication

3rd 2nd 1st

0 c 2

0 0 H 0 L 0 L

6 0.

0 0.

L U H

L u L u u

U 1

0 d

0 0

Name of Fault

Overcurrent At Acceleration Overcurrent At Deceleration Overcurrent At Fixed Speed Overvoltage Undervoltage lnverter Overheat External Alarm lnverter Overload Motor Overload

CPU Error Memory Error

Output Frequency Setting Frequency Output Current

Normal Operation Reverse Operation Current Restriction

Voltage Restriction

Undervoltage Restriction

1st Prev. Fault (Pres. Fault - 1) 2nd Prev. Fault (Pres. Fault - 2) 3rd Prev. Fault (Pres. Fault - 3)

6-12

AF-300C /metiers GEK-85716

Figure

6-l.

AF300C FUNCTION CODE MAP

6-13

AF300C

lnwerters

GEK-85718

NOTES:

6-I

AF-300C

MAINTENANCE AND INSPECTION

lnwerters

GEK-85716

So that the AF-300C inverter may give extended pe-

riods of trouble-free operation and to prevent poten-

tial problems from occuring, the following items should

CAUTION:

7-1 and meqqer them all at one time. each terminal individuallv.

be periodically inspected.

3. Use a multi-meter set on a high resistance range

WARNING - BURN AND SHOCK HAZARD:

Do not conduct any Inspectlons until after discon-

to conduct a continuity test on the control circuits and not a megger or a buzzer.

necting the power supply and after the “CHARGE” light on the inverter has gone out.

CAUTION: When removina or

replacing

wires,

handle them bv the connector onlv and not bv the

wire itself. Be careful not to mix wires when recon-

necting them.

PERIODIC PARTS REPLACEMENT

The life of the inverter will vary according to the

installation environment and the amount of running

time. However, if continuous operation is within the

allowable limits, the life of the DC Link capacitor is approximately five years and the life of the cooling fan is

MEGGER TEST

NOTE: Perform t//is test only if absolute/y necessary.

Disconnect all inverter terminals and never apply test voltage to the inverter when conducting an external circuit megger test.

Perform the test only on the main circuit as shown

approximately three years. It is recommended that

these parts be replaced before failure occurs.

INSPECTION ITEMS

Refer to the Inspection Items Chart in this section

for inspection points and corrective action.

in Figure 7-l when conducting a megger test on the inverter itself.

Do not conduct a megger test on the control circuits.

Short all terminals as shown in Fiaure

Do not meqqer

TB5

E(G)

5OOV

MEGGER

Figure 7-1.

CONTROL CIRCUIT

TERMINAL BOARD

y,*piifyq

MAIN CIRCUIT TERMINAL BOARD

L2 L3 u v w

MAIN CIRCUIT MEGGER TEST CONNECTIONS

7-1

INSPECTION ITEMS CHART

Item Reason of InsDection Corrective Action

Power Source

Voltage

Ambient Temperature

Ambient

Humidity

Vibration

Noise

Odor

Dust

Screws/ Connectors*

*Check internal screws/connectors only during periodic inspections or when cover is removed.

Wiihin permissible limits (323 - 506 VAC) Adjust the power supply voltage

for 380/400-460 VAC @ 50/60 Hz.

Within permissible limits

(+140

+122+)

Wiihin permissible limits (20 - 90% RH) Investigate cause and make corrections No dew condensation or freezing until environment is within permissible limits

Within permissible limit

Abnormal Audio Noise from cooling fan, etc.

Smell or burning

Dust accumulation on cooling fins, Clean and blow out with compressed air.

cooling fan, or on the control board. (Follow appropriate safety precautions.) Check for any loosening Retighten as needed.

(-100

to +500 C) Investigate cause and make corrections

until environment is within permissible limits

(0.6G

or less) Investigate cause and make adjustments

until within permissible limits. Contact the supplier where the inverter

was purchased. Contact the supplier where the inverter

was purchased.

Dailv

Inspections

For daily inspections, it is not necessary to remove

the inverter cover. Check the inverter from the out-

side for any abnormal items per the above chart.

If anything is found, take corrective action as soon as possible.

If the inverter is to be kept in operation before cor-

rections can be made, record details of the problem for future reference.

7-2

Periodic Inspections

Periodic inspection intervals will vary per the inverter application (bi-monthly, semi-annualy, annually, etc.). Pick an interval that best suits the particular applica-

tion, but do not ignore the inspections entirely.

For periodic inspections, remove the inverter cover and check the inverter for any abnormal items as per the daily inspections, plus the following:

-- Check all internal screws/connections.

-- Check the DC Link capacitor for any leakage or swelling.

-- Check relay contacts for roughness.

Check all wires and conductors for any deforma-

tion or heat damage/deterioration.

-- Check resistor insulation for cracks.

Verify output voltage of each phase.

AF-300C hefters

GEK-85718

input Side (Power Side)

Amperemeter AR, S, T

Movable Core

Type

Symbol of Instrument

Item Measurement of Output Freq.

Output Side (Electric Motor Side)

Input Side Measuring Inst. (Power Side)

Voltmeter VR, S, T

Rectifier Type or Movable Core

Tvoe

Terminals FM1 and FM2

Wattmeter WR, T

Electrodyna-

mometer Type

INVERTER

Output Side Measuring lnst (Electric Motor Side)

I I

Wattmeter wu, w

Electro-

dynamometer Tvoe

Name of Instrument

Kind of lnetrument

Symbol of Instrument

DC Voltmeter

Movable Coil Type

Figure 7-2. MEASUREMENT LOCATIONS AND DEVICES EXAMPLE

MEASUREMENT POINTS AND METERS

Since the inverter input/output voltage and current

contains high frequencies, selection of the wrong measuring device can lead to gross miscalculations.

RECOMMENDED MEASUREMENT DEVICE CHART

Item Simde Measurement Precision Measurement

Input Voltaoe Tester Moving-Iron type voltmeter Input Current Clamp Meter Moving-Iron type ammeter Input Power -Output Voltane Output Current Clamp Meter Moving-Iron type ammeter Output Power --

Tester Rectifier type voltmeter

When using a CT (current-detection transformer) to

measure the current, the amount of error will be large if the frequency is low. Because of this, always use a CT with as large a capacity as possible. See the following chart and Figure 7-2 for recommended measurement devices.

Electrodynamometer type wattmeter

7-3

AF-300C

lnverfers

GEK-85715

NOTES:

7-4

AF-300C lnverters

GEK-85718

8. TROUBLESHOOTING

TheTABLES and Figures within this Section arefurnished to aid in troubleshooting the more common problems

that may be encountered with the problem still is present, it may be necessary to contact the distributor that the inverter was purchased from. parts ordering procedures (In Warranty and Out of Warranty), refer to Section 9; for replacement parts listing, refer to Section as possible be recorded from the inverter before resetting and continuing operation. See Sections 5 and 6 of this Instruction Book for additional Fault information

IO.

For more expediant troubleshooting of Faults, it is recommended that as much information

AFSOOC

Inverter.

If after performing all suggested procedures and the

For

m J&Y

OCl

oc2

oc3

OLl

OH1

OL2

Functlon

Current Limit

Undervoltage Trip

Overcurrent Trip

Overvoltage Detection

lnverter Overload

lnverter Overheat

Motor Overload

(Electronic Thermal

Overload)

TABLE

FAULT DESCRIPTION AND OPERATION

Description

Provides restriction of the output current when the inverter reaches the current limit level.

Operation will be kept on for 15 msec at full load in case of power failure. (At light load, operating time may be slightly longer.)

When the DC Link goes below the under-voltage level, the inverter will stop output

When the output current of the inverter reaches the overcurrent protection level, the inverter will stop output and hold the fault trip (motor coasts to stop).

OCI : Overcurrent during acceleration.

OC2:

OC3: Overcurrent during constant speed. Ground faults are detected by the ground fault detection unit (standard equipment).

NOTE:

For prevention of personnel injury, efc, a leak-proof relay, should be

connected separately.

When the DC Link voltage reaches the overvoltage protection level,

the inverter will stop output and hold the fault trip (motor coasts to stop). When overload operation exceeds the overload limit (inverse time

characteristic) of the invetter, the inverter will stop output and hold the fault

trip (motor coasts to stop).

If the temperature of the inverter unit is too high, the inverter will stop output and hold the fault trip (motor coasts to stop).

When only one motor is driven, overload can be detected without an external thermal device. Since reduction in the cooling effect at low speed is taken into account, protection over a wide operation range can be provided. When overload operation exceeds the electronic thermal overload setting (inverse time characteristic) the inverter will stop output and hold the

fault trip (motor coasts to stop).

The ground fault defecfion

and

hold the fault trip (motor coasts to stop).

Overcurrent during deceleration.

unit is

protect

the

inverfer on/y.

CAUTION:

thermal

relav

When drivina more than one motor, provide protection with a

in line with each motor.

8-1

AF-300C

TABLE 7: FAULT DESCRIPTION AND OPERATION (continued)

Displav

lnverters

Function

GEK-85718

Description

OH2 External Fault

Err0 CPU Err9

Err1

Err2

Errd

Abnormal

Setting Error Setting Error

NV-RAM Error

Stall Prevention

When the overtemp detection device of the brake unit and brake resistor

(optional) or the user’s external thermal relay is activated, the inverter will

stop output and hold the fault trip (motor coasts to stop). If the inverter CPU operation is abnormal, the inverter will stop output and

hold the fault trip (motor coasts to stop). When low limit frequency setting exceeds that of the high limit frequency. When a Function Code that cannot be set while inverter is running has been

attempted to be set. Stored setting data is abnormal. This error message cannot be reset.

Replace the Main Control Card.

NOTE:

reinserting any socketted integrated circuit chips on the Main Conttrol Card

(tota/ of three).

Automatically extends acceleration time to restrict overcurrent during rapid acceleration (to prevent overcurrent trip). Automatically extends deceleration time to restrict overcurrent and overvoltage during rapid deceleration (to prevent overcurrent and overvoltage trip).

may be possible

to c/ear this condition by removing and

input Surge

The inverter can be protected from 5KV standard impact wave voltage which will invade from the main circuit power.

8-2

AF-300C

TABLE 8: FAULT CONDITION DISPLAY AND

CORRECTIVE ACTION

lnverters

GEK-85718

Displa]

OCl

oc2

oc3

Check For: Corrective Action

AC supply voltage not within permissible limits . . . . . . . . . . . . Check inverter specs and adjust AC supply voltage.

Output line short-circuited

Proper torque boost Proper acceleration time Loose Connections

Other than above .,.,,.................................,..,....,,..,..,..,... Check transistors

AC supply voltage not within permissible limits . . . . . . . . . . . . Check inverter specs and adjust AC supply voltage.

Output

line short-circuited . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Proper deceleration time ,..........,,...............................~...

Loose Connections .,...

Other than above

AC supply voltage not within Output line short-circuited

Sudden change in load

Loose Connections

Other than

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

above . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

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

,,..,.,,.,,..,..,,..,.,......................... Lengthen the acceleration time.

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

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

permissible limits . . . . . . . . . . . .

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

.,..,...,..,..,..,.,............................,. Eliminate sudden load changes.

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

,..................................... .Check on operation of external output contactor

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

Check output line insulation.

Megger test the motor.

Adjust as needed (reduce torque boost).

Check on operation of external output contactor

If used.

Check Main Circuit wiring connections

Increase inverter capacity (use larger HP inverter).

Check

output

line insulation. Megger test the motor. Lengthen the deceleration time. Check on operation of external output contactor If used. Check Main Circuit wiring connections Connect DB braking unit resistor (optional) or check operation of if already present. (Check

thermal interlock connections to DB unit.)

Increase inverter capacity (use larger HP inverter). Check inverter specs and adjust AC supply voltage.

Check

output

line insulation. Megger test the motor.

if used. Check Main Circuit wiring connections Check for electrical noise. Check on operation of external output contactor If used. Increase inverter capacity (use larger HP inverter).

polarll

NOTE: Motor will coast-to-stop when fault condition is displayed. After obtaining Fault information and correcting the cause of the problem, reset by pressing the RESET key on the Keypad Panel, or momentarily close contact between the

RST-CM control circuit terminals after the motor has stopped.

NOTE: if a fault cannot be reset, check to be sure that a RUN command is not present. NOTE:

AC supply voltage not within permissible limits . . . . . . . . . . . .

Proper deceleration time ..,.............................................

Dynamic Braking not functioning properly ..,.................

‘Lu”

may be displayed when the AC supply is switched OFF and does not indicate any abnormality.

8-3

Check inverter specs and adjust AC supply Lengthen the deceleration time. Connect DB braking unit resistor (optional) or check operation of if already present. Check polarity of thermal interlock connections to DB unit. Check Function Code 34; increase setting necessary.

voltage.

value if

AMOOC lnverfers

GEK-85718

TABLE 8: FAULT CONDITION DISPLAY AND

CORRECTIVE ACTION (continued)

Dimlay

OH1

OH2

Ol2

Err1

Check For:

lnverter ambient temperature not within permissible

limits .,..*..............................................*..............................

Cooling fan(s) Loadisover permissibte limits

Proper wiring External thermal overload relay activated

(Continuity check between external

DB braking unit terminal 1-2) lnverter ambient temperature not within permissible

limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AC supply voltage not within permissible limits.............. Check inverter specs and adjust AC supply voltage.

Circuit breaker is open

Open AC supply phase .................................................... Correct input wiring and check AC supply fuses.

Other than above ............................................................ Check customer power supply capac.ky.

Electronic thermal overload set incorrectly .................... Check Function Code 1 b.

Load is over permissible limits ........................................

Correct Function Code selection

(Low limit frequency has been set higher

than high limit frequency)

not operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

between THR-CM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . .

..-...... I

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

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

Corrective Action

Correct to proper temperature range. Replace cooling fan(s).

Reduce load. Increase inverter capacity (use larger HP inverter).

Rewire as needed.

. . . . .

Check relay. Reduce load.

Correct to proper temperature range. Correct ambient temp./lower braking duty cycle.

Close circuit breaker.

Reduce load.

Check Function Codes14and

15.

Err0

Err9

Err2

Errd

NOTE: Motor

cause of the problem, reset by pressing the RESETkey on RST-CM control circuit

NOTE: If a fault cannot b8 reset, check to b8 NOTE:

Electrical noise source close to inverter

A Function Code that cannot be set while running has been attempted to be set

Normal stored data settings (Stored setting data has been determined to be abnormal.)

will

coast-to-stop when faulf condition is displayed. After

terminals

“Lu”

may be displayed when the AC supply is switched OFF and does not indicate any abnormality.

(after the motor has stopped}.

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

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

. . . . . . . . . . . . . . . . . . Replace Main Control card.

sure that

a RUN command is notpresent.

Take noise prevention measures. Check to make sure noise is not coming into terminals “11” or “CM”.

Attempt to change only those Function Codes in TABLE 5 marked with “*2” while inverter is running.

NOTE:

condition by removing and reinserting any

SoCketted integrated circuit chips

Control Card (total of three).

the

Keypad Panel or momentarily close contact between the

obfaing

may be possible to clear this

the Main

far.& information and

correcting the

8-4

Motor Runs But Speed Does Not Change

Is Upper/Lower Limiter

Activated?

(Function Codes

andll5)

AF-300C lnverters GEK-85716

Correct Wiring Error.

Analog Frequency NO

Setting Device Failure.

What position is the

LOCAL/REMOTE switch

on the Keypad in?

Is 11,

Wiring Correct?

Do Voltage And

Current Inputs To

Vi, 12, or

-T-

Are Acceleration/

Deceleration Times

12,13,

Cl,

YES

Change?

YES

Too Long?

LOCAL

REMOTE

Are Xl, X2, X3

terms. connectea

to CM?

Are All Frequency

Settings Different?

YES NO

YES

Use INC SPEED and

DEC SPEED Keys On

Keypad To Change

Speed

Are Function

Codes 41 and 42

set correctly?

Correct Function

Code Settings.

Change Frequency

Settings.

Use

Xi,

X2, X3 terms.

to select frequency.

Adjust Acceleration/

Deceleration Time

To Match Load.

lnverter Problem.

Figure 8-1. “MOTOR RUNS BUT SPEED DOES NOT CHANGE“ TROUBLESHOOTING CHART

8-5

AF-300C hvetters

GEK-85718

Motor Rotation Is Not Smooth

During Acceleration/Deceleration?

Input Voltage Fluctuation? Correct Power Line Problem.

Large Load Fluctuation?

Noise Interference In Analog Input? Test With Analog Frequency Setting Device.

lnverter Problem

Figure 8-2. “MOTOR ROTATION IS NOT SMOOTH” TROUBLESHOOTING CHART

YES

Lengthen Acceleration/Deceleration

Time Setting.

Increase Motor And lnverter Capacity.

Attach A Flywheel.

Motor Overheats

Do Motor And V/F Pattern Match?

YES

Is There Continuous Low Speed Operation?

Is The Load Too Heavy?

Check lnverter Output Voltage Balance.

If Not Good, Indicates lnverter Problem.

Figure 8-3. “MOTOR OVERHEATS” TROUBLESHOOTING CHART

YES

Use Special lnverter Motor. Lower The Torque

Reduce Load. Increase lnverter Capacity

Correct V/F Pattern Setting

(Function Codes 10, 11, and 12).

Boost (Function Code 19).

(Use Larger HP Inverter).

If Good, Indicates Motor Problem.

8-6

AF-300C Imetiers GEK-85716

INVERTER

OVERHEAT

Is the inverter cooling

fan working?

YES

Is the inverter’s air

passage plugged?

Is ambient temperature

within specified value?

Figure 8-4.

YES

(OHl)

Check Power to

cooling fan.

Remove obstacles.

Check Speed Pot

wiring.

YES

Potential noise

interference.

“INVERTER

OVERHEATS” TROUBLESHOOTING CHART

Correct Power

Supply Problem.

Replace Cooling Fan.

Check that proper

noise prevention

measures have

been taken.

twisted wire for

control inputs. (Do not

connect terminals 11 or

YES

CPU ABBNORMAL

Display abnormal

or out

YES

Turn power OFF, then

Sack ON (after CHARGE

lamp goes out).

Has data been dis-

played on indicator?

Check that insertion of

CPU into IC socket is

correct.

Figure

YES

The inverter is normal;

allow continuous

operation. measures have

YES

Potential noise

interference.

8-5. “CPU ABNORMAL” TROUBLESHOOTING CHART

Check that proper

noise prevention

been taken.

YES

Use shielded and

twisted wire for

control inputs. (Do not

connect terminals 11 or

CM to earth ground.)

YES

Possible inverter failure - Contact

lnverter Supplier

8-7

AF-300C

lnwenters

GEK-85718

EXTERNAL FAILURE (OH2)

Is the connection

between THR and CM

correct and intact?

Is the alarm function of

the external equipment

working properly?

IYES

Is ambient temperature

for the external

equipment within the

specified value?

INO

Correct the ambient

condition to make it within the specified

value.

YES

control inputs. (Do not

connect terminals 11 or

CM to earth ground.)

Are external thermal

sensors working

thermal sensors.

The inverter will trip on Remove RUN com-

OH2 if powered-up with

a RUN command RESET on the keypad

present. This is a to clear the trip.

safetv feature.

Use shielded and

twisted wire for

YES

mand and press

YES

RUN command from remote conflicts with

STOP command from

Reduce the load of the

external equipment or

decrease the duty

cycle, or use

larger HP

fnverter/Motor.

was present (FWD or

Was STOP pressed on

the keypad when the

inverter was running

with the LOCAL/RE-

Potential noise intetfer-

ence at THR or CM

terminals .

Possible invetter

failure - Contact

fnverter Supplier

Figure 8-8. “EXTERNAL FAILURE” TROUBLESHOOTING CHART

8-8

YES

Check that proper

noise prevention

measures have

been taken.

YES

GE Industrial Solutions AF-300C User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual