FANUC AC Servo Amplifiers βi Series. Description Manual (B-65322EN/02)

13. Heat disspaton

The amount of heat dissipation depends on the SVM model and the current that flows

through the servo motor. For the current that flows through a servo motor, reference the

continuous rated current of each servo motor. (For the continuous rated current of each

servo motor, refer to the servo motor descriptions.) As the current that flows through a servo

motor, the root-mean-square value of the current that flows through an actual servo motor on

a machine can be used. The amount of heat dissipation indicated below assumes the use of

HRV2.

(1) Total amount of heat dissipation

The total amount of heat dissipation is calculated

according to the following expression:

Total amount of heat dissipation= a + Ka1 × b1

a: Amount of heat dissipation determined by the SVM

model [W]

Ka1: Coefficient determined by the SVM [W/Arms]

b1: Current flowing through the servo motor [Arms]

Total amount of heat dissipation

Name

Specification

[W]

[W/Arms]

SVM1-10HVi

H001

Ka1: 10.8

SVM1-20HVi

H002

Ka1: 11.1

SVM1-40HVi

H003

Ka1: 11.1

(2) Residual amount of heat in the cabinet

By placing the heat sink section outside the cabinet, the

residual amount of heat in the cabinet can be calculated

according to the expression below.

Residual amount of heat in the cabinet= a + Kb1 × b1

a: Amount of heat dissipation determined by the SVM

model [W]

Kb1: Coefficient determined by the SVM [W/Arms]

b1: Current flowing through the servo motor [Arms]

Residual amount of heat in the cabinet

Specificatio

Name

[W]

[W/Arms]

SVM1-10HVi

H001

Ka1: 2.2

SVM1-20HVi

H002

Ka1: 2.2

SVM1-40HVi

H003

Ka1: 1.1

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FANUC SERVO AMPLIFIER βiSV 20/20 DESCRIPTIONS

1. Type of applied documents

Name

FANUC SERVO AMPLIFIER βiSV 20/20 DESCRIPTIONS

Spec. No./Ver.

B-65322EN/02-03

2. Summary of Change

Group

Name / Outline

New, Add

Applicable

Correct, Del

Date

Basic Function

Optional

Function

Unit

Maintenance

Parts

Notice

Correction

Another

Addition of βiSV 20/20

New

2005. 7

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βiSV 20/20 DESCRIPTIONS

This documents describes about the specification of βiSV 20/20.

Please refer to FANUC SERVO AMPLIFIER βi series DESCRIPTIONS (B-65322EN/02) about

contents without in this.

(Note)

This Servo amplifier βiSV 20/20 is available to use combining Series 0i-MODEL C/

0i Mate-MODEL C.

All specifications and designs are subject to change without notice.

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1. Configuration

βiSV

20/20

FUSE

Stabilized power supply

Battery

CXA19B

CXA19A

case

DC24V

Optical cable

COP10A

3 phase

COP10B

200V to 240VAC

Magnetic

AC line

Breaker

CZ4

contactor

filter

Magnetic contactor

5A circuit

control signal

CX29

Emergency

breaker

JX5

stop switch

CX30

Emergency stop signal

CXA20

JF1

Separated regenerative

discharge resistor

JF2

CX36

Lighting

Power failure signal

surge absorber

CX5X

CZ5L

CZ5M

CAUTION

1 A circuit breakers, magnetic contactor, and AC line filter

are always required.

2 Use the stabilized 24VDC power supply for the amplifier.

24VDC power supply for the amplifier and 24VDC power

supply for the motor brake cannot be shared.

24V power supply

for motor brake

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2. Specification

Item

βi SV 20/20

Interface

FSSB

Unit Designation

A06B-6136-H201

Power P.C.B.

A16B-3200-0642

Control P.C.B.

A20B-2101-0290

Input Voltage

AC 200-240 V (+10%,-15%)

50 / 60 Hz

Main Power For

Current at 50Hz

7.6Arms

Three Phase Supply

Rated Capacity

2.7kVA

Control

Input Voltage

DC 24 V (+10%, -10%)

Power supply

Input Current

0.8 Arms

L-Axis

6.5Arms

Rated Output Current

M-Axis

6.5Arms

L-Axis

20 Ap

Current Limit Value

M-Axis

20 Ap

Servo control

HRV2, HRV3

Main Circuit Control Method

Sine Wave PWM Control with Transistor Bridges

Servo output frequency range

0-667Hz

- High Current

- IPM Abnormal

- High Voltage of DC Link

- Low Voltage of DC Link

Warning and protectivefunctions

- Overheat of Discharge Resistor

- Low Voltage of Control Power Supply

- FSSB Communication Error

- Locked Fan Motor

Ambient Temperature Range

0 to +55 degrees Celsius

Weight

3.9kg

Regererative resistor

(16ohm, 100W no-wind condition)

(16ohm, 200W no-wind condition)

Option

(16ohm, 400W wind velocity 2m/s condition)

Separated AC line filter

Separated battery

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3. Applicable motors

0.4

0.5

αi F1

αi F2

/ 5000

αi F

(20A)

αi S2

αi S4

/ 5000

/ 6000

/ 5000

αi S

(20A)

MOTOR

βi S0.4

βi S0.5

βi S1

βi S2

βi S4

βi S8

βi S12

/5000

/6000

/4000

/3000

/2000

βi s

(20A)

SV 20/20

L axis

axis

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4. Selection of breaker, electromagnetic contactor, and AC line filter

Please refer to the following table and select it. For details, please refer to B-65322/02EN.

Servo motor

Continuous rating current

Power supply capacity

[Arms]

[kVA]

(Reference value)

βiS 0.4/5000

0.6

0.2

βiS 0.5/6000

1.4

0.47

βiS 1/6000

2.3

0.77

βiS 2/4000

2.2

0.77

βiS 4/4000

3.3

1.2

βiS 8/3000

5.4

1.9

βiS 12/2000

6.3

2.2

αiF 1/5000

2.2

0.77

αiF 2/5000

3.3

1.2

αiS 2/5000

3.3

1.2

αiS 2/6000

4.5

1.6

αiS 4/5000

4.5

1.5

5. Derating

Consider derating as shown below, according to ambient temperature.

The solid line is a derating line for use when HRV2, while the dotted line is a derating line for

use when HRV3 is applied.

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6. Regeneration discharge resistor

6.1. When separated regenerative discharge resistor is not needed.

When the regeneration energy per regenerative cycle is below the following amounts of

energy [J], regeneration discharge resistor is unnecessary.

Table6.1 Permissible regenerative energy amount (Reference value)

Amplifier model

Permissible regenerative energy amount

25[J]

βiSV 20/20

Refer to Section [I. SVM ] of B-65322EN/02 for details about calculation method of the

regeneration energy per regenerative cycle.

6.2. When separated regenerative discharge resistor is needed.

When the regeneration energy per regenerative cycle exceeds the amount of permission

regenerative energy of servo amplifier, DC link overvoltage alarm or abnormal of

regeneration discharge may occur. In this case, regenerative discharge resistor is needed.

Table6.2 Capacity of regenerative discharge resistor

Specification

Capacity of regenerative discharge resistor

A06B-6130-H404

100W

(Note1) (Note2)

No -wind condition

A06B-6089-H500

200W

400W

(Note1)

No -wind condition

Wind velocity 2m/s condition

Cautions

z Please install into the cabinet, which fulfills the following conditions so that cutting fluid,

oil mist, cutting waste, etc. may not adhere to regeneration discharge resistor.

So, please install in the environment of the pollution degree 2 level specified to "IEC

60664-1."

In order to satisfy a pollution degree 2 under the severe environment of a machine tool,

it is necessary to install in a cabinet with which it is generally satisfied of IP54.

If the cabinet does not have a structure for preventing materials that adversely affect

regenerative discharge resistor from gettinng into the cabinet, normal operation and

safety may fail. So, special care should be taken.

Incorrect connection may cause to damage the amplifier.

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7. Setup switch (For DC alarm level)

Since the switch of four channels is in the front of a servo amplifier for regeneration

resistance protection, please make it the following setup.

Setup of SW1, SW2

Switch

Setup

Switch1

OFF

Switch2

OFF

Setup of SW3, SW4

SW3

SW4

Separated regenerative discharge resistor

A06B-6130-H404 (Note1)

OFF

A06B-6089-H500

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8. Power supply specification

8.1. Three-phase input power supply for motor power

- Nominal rating voltage: 200V to 240VAC

- Allowable voltage fluctuation: -15% - +10%

- Frequency: 50/60Hz

- Allowable frequency fluctuation: ±2Hz

- Power supply impedance : Voltage fluctuation by load (at

maximum output) not be exceed 7%.

- Power supply Unbalance: ±5% or less of rated voltage

NOTE

The allowable voltage fluctuation is a change

observed for several minutes. It is not a continuous

change.

8.2. Single-phase input for control power

Please be sure to use a regulated power supply for 24V power supply for amplifier.

Common use with 24V power supply for motor brakes cannot be performed.

- Nominal rating voltage: 24VDC

- Allowable voltage fluctuation: ±10% (Including momentary

variations)

- Power supply capacity

Power supply capacity per amplifier

FSSB interface

0.8A

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10. Power failure detecting function

The power failure detect function aiming at the gravity axis fall prevention at the time of a

power failure was occurred.

Please refer to the section [11.5] for connection details.

In case of using this function, please add an uninterruptible power supply (UPS) etc. to be

able to maintain the control source (DC 24V) of CNC and amplifier after a power failure

occurs until mechanical brake operates.

Specification

2-axes amplifier βiSV output a power failure detect signal from a connector CX36, when

power failure is occurred.

The drop of three-phase circuit AC voltage inputted into the connector “CZ4” of 2-axes

amplifier βiSV is detected.

CZ4 input voltage range: 0 V-AC240V+10% 3φ 50Hz/60Hz±2Hz

CZ4 power failure detect voltage: AC165V±10V

Detection delay time is established so that it may not react sensitively to instantaneous

power failure.

Detection delay time: 8msec~17msec

(Note)

The detect condition is simultaneous three-phase circuit AC voltage drop.

Therefore, it may be unable to detect a power failure correctly on following conditions.

Power failure (phase interruption) as only one phase drop.

Power failure occurred at the time of motor acceleration. (Please see below.)

βiSV Input Voltage

A power failure detecting signal is outputted

8msec ~ 17msec

from βiSV behind time 8msec~17msec after

power failure occur. When the output power

Power failure

of motor is large by acceleration, DC link

detect signal

voltage falls rapidly. So, even if power failure

Acceleration

is detected, DC link low voltage alarm may be

Motor speed

occurred.

DC link voltage

Low voltage alarm

Of DC link

Alarm occurred

The amplifier is necessary to operate normally at instantaneous power failure for

3msec or less and for this terms the power failure detect signal is not detected.

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11. Total connection diagram

βiSV

20/20

FUSE

Battery

Stabilized power supply

K11

CXA19B

CXA19A

case

DC24V

Optical cable

COP10A

3 phase

COP10B

200V to 240VAC

Magnetic

AC line

Breaker

CZ4

contactor

filter

5A circuit

CX29

Emergency

breaker

JX5

stop switch

CX30

CXA20

JF1

Separated regenerative

discharge resistor

JF2

CX36

Lighting

Power failure signal

K12

CX5X

surge absorber

CZ5L

CZ5M

CAUTION

1 A circuit breakers, magnetic contactor, and AC line filter

are always required.

2 Use the stabilized 24VDC power supply for the amplifier.

24VDC power supply for the amplifier and 24VDC power

supply for the motor brake cannot be shared.

3 The cabling of CX29 and CX30 of the second and

subsequent amplifiers may be omitted. For details, see

"TOTAL CONNECTION DIAGRAM".

24V powersupply

for motor brake

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11.1. Connection details

Refer to Section [ I. .SVM ] of B-65322EN/02 for details.

11.2. Details of cable K2 (Refer to B-65322/02EN)

Please select specification of cables in consideration of

following

table.

Refer

Section [ I .SVM ] of B-65322EN/02 for details.

Servo motor

Continuous rating current

[Arms]

(Reference value)

βiS 0.4/5000

0.6

βiS 0.5/6000

1.4

βiS 1/6000

2.3

βiS 2/4000

2.2

βiS 4/4000

3.3

βiS 8/3000

5.4

βiS 12/2000

6.3

αiF 1/5000

2.2

αiF 2/5000

3.3

αiS 2/5000

3.3

αiS 2/6000

4.5

αiS 4/5000

4.5

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11.3. Details of cable K3 (Refer to B-65322/02EN)

Please select specification of cables in consideration of

following

table.

Refer

Section [ I.SVM ] of B-65322EN/02 for details.

Servo motor

Continuous rating current

[Arms]

(Reference value)

3.6

βiS 0.4/5000

3.0

βiS 0.5/6000

βiS 1/6000

2.7

βiS 2/4000

3.2

βiS 4/4000

4.7

βiS 8/3000

6.0

βiS 12/2000

6.5

αiF 1/5000

2.7

αiF 2/5000

3.5

αiS 2/5000

3.3

αiS 2/6000

4.1

αiS 4/5000

4.6

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11.4. Details of cable K4 (Refer to B-65322/02EN)

In case of using regenerative discharge resistor

(a) A06B-6130-H404

Regenerative

βiSV 20/20

discharge resistor

DCP

DCC

Resistor

Crimp terminal: 1.25-6

CXA20

TH1

TH2

Thermostat

D-2000 series

Housing: 1-1318120-3

Contact: 1318107-1

Applicable wire: 0.30 to 0.85mm2

Manufacture: Tyco Electronics AMP

For connection tools, see subsection 9.2.3. of [I.SVM ] for B-65322EN/02

WARNING

z Do not short between terminal “DCP” and terminal “DCC”.

z Do not connect this terminal “TB” to terminal “TB1(DCP/DCN)” of

servo amplifier αi series.

Servo amplifier may be broken in case of above incorrect connection.

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(b) A06B-6089-H500

Cable specification:

Two-conductor polyvinyl heavy-duty power cable

JIS C 3312

βiSV 20/20

Conductor size of 3.5mm2

Regenerative

Crimp terminal

discharge resistor

5.5-6

5.5-4

DCP

DCC

Resistor

Cable specification:

Two-conductor polyvinyl heavy-duty power cable

JIS C 3312

Conductor size of 0.75mm2

Crimp terminal: 1.25-4

CXA20

TH1

TH2

Thermostat

D-2000series

Housing: 1-1318120-3

Contact: 1318107-1

Applicable wire: 0.3mm2 to 0.85mm2

Manufacture: Tyco Electronics AMP

For connection tools, see subsection 9.2.3. of [I.SVM ] for B-65322EN/02

WARNING

z Do not short between terminal “DCP” and terminal “DCC”.

z Do not connect this terminal “TB” to terminal “TB1(DCP/DCN)” of

servo amplifier αi series.

Servo amplifier may be broken in case of above incorrect connection.

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βiSV 20/20

DCP

Keep these pins unconnected.

(Do not install a jumper between pins.)

DCC

CXA20

Install jumper between pins.

D-2000 series

Housing: 1-1318120-3

Contact: 1318107-1

Applicable wire 0.30 to 0.85mm2

Manufacture: Tyco Electronics AMP

For connection tools, see subsection 9.2.3. of [I.SVM ] for B-65322EN/02

WARNING

z Do not short between terminal “DCP” and terminal “DCC”.

z Do not connect this terminal “TB” to terminal “TB1(DCP/DCN)” of

servo amplifier αi series.

Servo amplifier may be broken in case of above incorrect connection.

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11.5. Details of cable K12

24V

CX36

βiSV 20/20

Power failure detect signal output

Normal: ON

*ESP

Power failure detection: OFF

24V

PMC

*ESP

Relay for mechanical brake coil

Mechanical brake coil

CX36 specification (Rated output)

Output voltage:

30V Max.

Output current :

200mA Max.

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12. Heat disspaton

The amount of heat dissipation depends on the current that flows through the servo amplifier

and servo motor. For the current that flows through a servo motor, reference the continuous

rated current of each servo motor. (For the continuous rated current of each servo motor,

refer to the servo motor descriptions.) As the current that flows through a servo motor, the

root-mean-square value of the current that flows through an actual servo motor on a machine

can be used. The amount of heat dissipation indicated below assumes the use of HRV2.

(1) Total amount of heat dissipation

The total amount of heat dissipation is calculated

according to the following expression:

Total amount of heat dissipation= a + Ka1 × b1

a: Amount of heat dissipation determined by the βiSV

[W]

Ka1: Coefficient determined by the βiSV [W/Arms]

b1: Current flowing through the servo motor [Arms]

Total amount of heat dissipation

Name

Specification

[W]

[W/Arms]

βiSV 20/20

H201

Ka1: 12.6

(2) Residual amount of heat in the cabinet

By placing the heat sink section outside the cabinet, the

residual amount of heat in the cabinet can be calculated

according to the expression below.

Residual amount of heat in the cabinet= a + Kb1 × b1

a: Amount of heat dissipation determined by the βiSV

[W]

Kb1: Coefficient determined by the βiSV [W/Arms]

b1: Current flowing through the servo motor [Arms]

Residual amount of heat in the cabinet

Name

Specification

[W]

[W/Arms]

βiSV 20/20

H201

Ka1: 12.6

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FANUC AC Servo Amplifiers βi Series. Description Manual (B-65322EN/02) - page 10