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FANUC SERVO AMPLIFIER a series. DESCRIPTIONS (B-65162E/03) - page 18

B-65162E/03

11. OPTION RELATED TO SPINDLE

D Using the signal for integral speed control

Spindle speed

Spindle 1

Phase synchronization

Synchronization speed

Spindle 2

Signal for spindle synchronization

control SPSYC

Signal for specifying spindle

synchronization speed

Signal indicating that synchronization control

of spindle speed is completed

FSPSY

Signal for the chuck close command

Signal indicating that the chuck has been closed

Signal for integral speed control

INTCA

(Note)

(Note)

Signal for spindle phase synchronization control

SPPHS

Signal indicating that synchronization control of spindle phase is completed

FSPPH

NOTE

Set the signal for integral speed control to

1 while a

workpiece is being held with the two spindles.

513

11. OPTION RELATED TO SPINDLE

B-65162E/03

11.4.6

The tables below list the parameters related to spindle synchronization

control. Refer to the Parameter Manual and each CNC manual for details.

Parameters

Parameter No.

FS0

FS15-TT

Description

FS0-TT

FS16

1st

2nd

1st

2nd

Rotation direction setting

Rotational direction of spindle motor for spindle

0080#6

0086#6

5820#0

4800#0

synchronization control (1st spindle)

Rotational direction of spindle motor for spindle

0080#7

0080#6

5820#1

4800#1

synchronization control (2nd spindle)

Setting related to output signals for spindle synchronization

Target level for the spindle speed synchronization

6533

6673

6533

3033

3173

4033

control

Difference between error pulses for the two

0303

0303

5810

4810

spindles, regarded as spindle phase synchroniza-

tion completion signal

Difference between error pulses for the two

0576

0576

5811

4811

spindles, regarded as an alarm during spindle syn-

chronization control

Setting of gear ratio data between the spindle and motor

6506#1

6646#1

6506#1

3006#1

3146#1

4006#1

Increment system for gear ratios

Gear ratio between the spindle and motor

6556 to

6696 to

6556 to

3056 to

3196 to

4056 to

(selected by DI signals CTH1A and CTH2A from

6559

6699

6559

3059

3199

4059

the PMC)

Setting related to a shift amount and phase synchronization

6534

6674

6534

3034

3174

4034

Shift for spindle phase synchronization control

Compensation data for spindle phase synchro-

6535

6675

6535

3035

3175

4035

nization control

Setting to disable automatic one-rotation signal

6506#3

6646#3

6506#3

3006#3

3146#3

4006#3

detection when the spindle synchronization mode

is switched

Position gain setting

Position gain for spindle synchronization control

6565 to

6705 to

6565 to

3065 to

3205 to

4065 to

(The same value must be set for both spindles.)

6568

6708

6568

3068

3208

4068

(selected by DI signals CTH1A and CTH2A from

the PMC)

Setting of acceleration/deceleration time constants

Acceleration/deceleration time constant for spindle

synchronization control

6532

6672

6532

3032

3172

4032

(The same value must be set for the 1st and 2nd

spindles.)

514

B-65162E/03

11. OPTION RELATED TO SPINDLE

Parameter No.

FS0

FS15-TT

Description

FS0-TT

FS16

1st

2nd

1st

2nd

Setting of acceleration/deceleration time constants (Continued)

Flux switching point for calculating the accelera-

tion/deceleration time constant for spindle syn-

6300

6480

6300

3480

3700

4336

chronization control

(The same value must be set for both spindles.)

Bell-shaped acceleration/deceleration

time

constant for spindle synchronization control

6304

6484

6304

3484

3704

4340

(The same value must be set for the 1st and 2nd

spindles.)

Setting of a velocity loop gain and motor voltage

Velocity loop proportional gain for spindle synchro-

6544

6684

6544

3044

3184

4044

nization control

6545

6685

6545

3045

3185

4045

(selected by DI signal CTH1A from the PMC)

Velocity loop integral gain for spindle synchroniza-

6552

6692

6552

3052

3192

4052

tion control

6553

6693

6553

3053

3193

4053

(selected by DI signal CTH1A from the PMC)

6585

6725

6585

3085

3225

4085

Motor voltage for spindle synchronization control

6310

6490

6310

3490

3710

4346

Incomplete integral coefficient

515

11. OPTION RELATED TO SPINDLE

B-65162E/03

11.5

SPEED RANGE

SWITCHING

CONTROL

Speed range control conducts switching of speed range in one motor

11.5.1

(motor designed specifically for speed range switching control) using the

General

FANUC SERVO AMPLIFIER α series SPINDLE AMPLIFIER

MODULE.

NOTE

This function is not available for αC series.

11.5.2

Configuration and

Order Drawing

Number

Configuration

The following items are needed in addition to the spindle amplifier

module.

D Speed range switching control software (option)

D Relay circuit (including electromagnetic contactor and drive relay)

D Switching signal from PMC

Configuration of the components is shown in following fig.

Speed range switching signal

Status confirmation signal

Switching unit

Spindle

Spindle

motor with

Power

PMC

CNC

amplifier

speed range

line

(SPM)

switching

Feedback signal

11.5.3

D On a spindle motor with the output switch function, the user can switch

Specifications

between two types of windings: one for the low-speed output

characteristics and the other for the high-speed output characteristics.

Switching is possible even while the motor is rotating.

D A spindle amplifier (SPM) is usable regardless of its type.

D To check the status of the power line, check the statuses of the

magnetic contactors for both high-speed range and low-speed range.

This function can be selected by the parameter setting:

516

B-65162E/03

11. OPTION RELATED TO SPINDLE

FS16

:

No. 4014 #3=1

FS15

:

No. 3014 #3=1

FS0

:

No. 6514 #3=1

D As the speed detecting signal (SDTA) is used for switching speed

detection, it cannot be used for gear change speed detection, etc.

D As the error detection function for switching operation, the alarm

(AL-15) is issued if the magnetic contactor signal

(RCHA,

RCHHGA) is not applied within 1 second of the power line switch

signal (RCHPA) being output.

11.5.4

The connections of Type A and Type B, below, depend on the

specification of a spindle motor with the output switch function. When

Connections

low-speed output characteristics mode is selected, MCC1 is on, and

MCC2 is off. When high-speed output characteristics mode is selected,

MCC1 is off, and MCC2 is on.

(1) Type A

Relay circuit

Communica-

tion cable

JA7B

Electromagnetic

contactor switching

Single phase

circuit

200VAC

AC

CNC

Spindle amplifier

Electromagnetic contactor

spindle

module (SPM)

for switching power cable

U

motor

and

V

PMC

W

U

TB2

MCC 2

V

U

U

W

V

V

W

ÂÂ

Auxilially

G

contact

ÂÂ

X

MCC1

Y

X

Z

Y

G

Z

Auxilially

JY2

contact

G

NOTE

The power supply module is omitted from the figure.

Items such as units and cables other than the spindle

amplifier module and, AC spindle motor, which are

surrounded by the unbroken line, must be provided by the

machine tool builder.

517

11. OPTION RELATED TO SPINDLE

B-65162E/03

(2) Type B

Relay circuit

Communica-

tion cable

JA7B

Electromagnetic

contactor switching

Single phase

circuit

200VAC

AC

CNC

Spindle amplifier

Electromagnetic con-

spindle

module (SPM)

tactor for switching

U2

motor

and

power cable

V2

PMC

W2

U2

TB2

MCC 2

V2

U

W2

V

W

Auxilially

contact

ÂÂ

U1

MCC 1

V1

U1

W1

V1

G

W1

Auxilially

JY2

contact

NOTE

The power supply module is omitted from the figure.

Items such as units and cables other than the spindle

amplifier module and, AC spindle motor, which are

surrounded by the unbroken line, must be provided by the

machine tool builder.

518

B-65162E/03

11. OPTION RELATED TO SPINDLE

(3)

Details of Connection between PMC and Switching Unit

It shows the case that the status of the electromagnetic contactors both for

the high-speed range and for the low-speed range is input.

PMC

Switching unit

Power-line change signal

DV

Relay

0V

+24V

+24V stabirized

0V

power supply

+24V

200VAC

Auxiliary

A contact

RV

Low-speed side MCC

status signal

MCC1

Auxiliary

B contact

0V

Auxiliary

B contact

RV

High-speed side MCC

status signal

MCC2

Auxiliary

A contact

0V

NOTE

1

The main contact terminals and power line in contact are

omitted.

2

Add a surge absorber to the electromagnetic contactor

operation coil as necessary.

3

Use a power-line switching electromagnetic contactor with

the proper capacity for each spindle motor.

519

11. OPTION RELATED TO SPINDLE

B-65162E/03

11.5.5

Spindle Control

Signals

(1)

Input Signals (DI Signals) PMC to CNC

(a)

Signal addresses

First spindle control input signal

FS0

FS15

FS16

#7

#6

#5

#4

#3

#2

#1

#0

RCHA

RSLA

INTGA

SOCNA

MCFNA

SPSLA

*ESPA

ARSTA

G230

G226

G071

G231

G229

G072

RCHHGA

MFNHGA

INCMDA

OVRA

DEFMDA

NRROA

ROTAA

INDXA

Second spindle control input signals

FS0

FS15

FS16

#7

#6

#5

#4

#3

#2

#1

#0

RCHB

RSLB

INTGB

SOCNB

MCFNB

SPSLB

*ESPB

ARSTB

G234

G234

G075

G235

G237

G076

RCHHGB

MFNHGB

INCMDB

OVRB

DEFMDB

NRROB

ROTAB

INDXB

(b)

Switching request signal (RSLA)

[Function]

It is used as an instruction signal which selects power characteristics.

0 : The high-speed range is selected.

1 : The low-speed range is selected.

[Usage]

This instruction is usually set according to the velocity command (S

instruction). In this case, parameter No. 4019 #4=1 (FS16) is set to work

the switching operation after speed detecting signal (SDTA) is confirmed

on the spindle side, because a low-speed range is selected immediately

after the velocity command changes from a high speed to a low speed

above the switching point.

In addition, there is a method that this instruction is selected by the speed

detecting signal (SDTA) which is one of output signals of CNC (DO

signal). But, please note that this method changes the speed detecting

signal in the following cases.

D When the motor speed crosses the speed detection level in the constant

surface speed control.

At using a low-speed range, the switching-operation can be prevented

by clamping at the switching speed with the instruction (G50, G92)

that clamps the maximum spindle speed at the constant surface speed

control.

D In the case that the motor speed crosses the speed detection level when

the speed is changed by a spindle override.

Since the power of motor is turned off in switching-operation when the

speed range switching control works in the following control modes,

please select either speed range beforehand, and please do not change the

switching request signal while working.

D Rigid tapping mode

D Cs contouring control mode

D Spindle synchronization control mode

520

11. OPTION RELATED TO SPINDLE

B-65162E/03

(2)

Output Signal (DO signal) CNC to PMC

(a)

Signal addresses

First spindle control output signal

FS0

FS15

FS16

#7

#6

#5

#4

#3

#2

#1

#0

ORARA

TLMA

LDT2A

LDT1A

SARA

SDTA

SSTA

ALMA

F281

F229

F045

MOAR2A

MOAR1A

POAR2A

SLVSA

RCFNA

RCHPA

CFINA

CHPA

F282

F228

F046

Second spindle control output signals

FS0

FS15

FS16

#7

#6

#5

#4

#3

#2

#1

#0

ORARB

TLMB

LDT2B

LDT1B

SARB

SDTB

SSTB

ALMB

F285

F245

F049

MOAR2B

MOAR1B

POAR2B

SLVSB

RCFNB

RCHPB

CFINB

CHPB

F286

F244

F050

(b)

Power-line switching signal (RCHPA)

[Function] It is an instruction signal to select the electromagnetic contactor for the

speed range switching of the spindle motor.

0 : The electromagnetic contactor for a high-speed range should be

selected.

1 : The electromagnetic contactor for a low-speed range should be

selected.

[Usage] When switching request signal (RSLA) changes, the power supply to the

motor is automatically turned off.

Power supply OFF status continues until the switching completion signal

(RCFNA) changes.

At changing from the low-speed side to the high-speed side, this signal

changes from ”1” to ”0” after the switching request signal (RSLA) is

received. As a result, the electromagnetic contactor for a low-speed range

is first turned off. After it is confirmed to have turned off the

electromagnetic contactor for a low-speed range, the electromagnetic

contactor for a high-speed range is turned on.

At changing from the high-speed side to the low-speed side, this signal

changes from ”0” to ”1” after the switching request signal (RSLA) is

received. As a result, the electromagnetic contactor for a high-speed

range is first turned off. After it is confirmed to have turned off the

electromagnetic contactor for a high-speed range, the electromagnetic

contactor for a low-speed range is turned on.

(c)

Switching completion signal (RCFNA)

[Function] This signal shows by which speed range the spindle motor is controlled.

0 : It is controlled by a high-speed range.

1 : It is controlled by a low-speed range.

[Usage] Switching request signal (RSLA) changes. And after it is confirmed that

this signal is corresponding to the switching request signal (RSLA), it

moves to the next movement.

Since the motor power is turned off until this signal is corresponding to

the switching request signal (RSLA) after the change of the switching

request signal (RSLA), please note not to apply the cutting load, etc. to

the spindle in the switching-operation.

522

11. OPTION RELATED TO SPINDLE

B-65162E/03

11.5.6

Sequence

(1) When the Status of both Electromagnetic Contactors for a Low-speed Range (RCHA) and for a High-speed

Range (RCHHGA) is Confirmed and the Speed Range Switching Control Works

Parameter No. 4014 #3=1 (FS16)

(a) Switching-operation of a low-speed range ³ a high-speed range

Switching request signal (RSLA)

High-speed (=0)

Low-speed (=1)

PMC ³ CNC

Power-line switching signal (RCHPA)

CNC ³ PMC

High-speed (=0)

Low-speed (=1)

Clutch/gear signal

High-speed (=0)

(CTH1A, 2A) PMC ³ CNC

Low-speed (=1)

Low-speed side electromagnetic contactor

Open

Closed

Low-speed side electromagnetic contactor

status signal (RCHA)

Open (=0)

Closed (=1)

PMC ³ CNC

High-speed side electromagnetic contactor

Open

Closed

High-speed side electromagnetic contactor

Open (=0)

status signal (RCHHGA)

Closed (=1)

PMC ³ CNC

Switching completion signal (RCFNA)

High-speed (=0)

CNC ³ PMC

Low-speed (=1)

524

B-65162E/03

11. OPTION RELATED TO SPINDLE

(b) Switching-operation of a high-speed range → a low-speed range

Switching request signal (RSLA)

High-speed (=0)

Low-speed (=1)

PMC ³ CNC

High-speed (=0)

Power-line switching signal (RCHPA)

Low-speed (=1)

CNC ³ PMC

High-speed (=0)

Clutch/gear signal

Low-speed (=1)

(CTH1A, 2A) PMC ³ CNC

Open

Closed

Low-speed side electromagnetic contactor

Low-speed side electromagnetic contactor

Open (=0)

Closed (=1)

status signal (RCHA)

PMC ³ CNC

Closed

Open

High-speed side electromagnetic contactor

High-speed side electromagnetic contactor

status signal (RCHHGA)

Closed (=1)

Open (=0)

PMC ³ CNC

High-speed (=0)

Low-speed (=1)

Switching completion signal (RCFNA)

CNC ³ PMC

525

11. OPTION RELATED TO SPINDLE

B-65162E/03

(2) When the Speed Range Switching Control Works by Confirming Only the Power-line Status Check Signal

(RCHA)

For parameter No. 4014 #3=0 (FS16)

(a) Switching-operation of a low-speed range → a high-speed range

Switching request signal (RSLA)

High-speed (=0)

Low-speed (=1)

PMC ³ CNC

Power-line switching signal (RCHPA)

Low-speed (=1)

High-speed (=0)

CNC ³ PMC

High-speed (=0)

Clutch/gear signal

Low-speed (=1)

(CTH1A, 2A) PMC ³ CNC

Closed

Open

Low-speed side electromagnetic contactor

Open

Closed

High-speed side electromagnetic contactor

Power line status check signal (RCHA)

Low-speed (=1)

High-speed (=0)

PMC ³ CNC

Switching completion signal (RCFNA)

High-speed (=0)

Low-speed (=1)

CNC ³ PMC

526

B-65162E/03

11. OPTION RELATED TO SPINDLE

(b) Switching operation of a high speed range → a low-speed range

Switching request signal (RSLA)

High-speed (=0)

Low-speed (=1)

PMC ³ CNC

Power-line switching signal (RCHPA)

High-speed (=0)

Low-speed (=1)

CNC ³ PMC

High-speed (=0)

Low-speed (=1)

Clutch/gear signal

(CTH1A, 2A) PMC ³ CNC

Open

Closed

Low-speed side electromagnetic con-

tactor

Closed

Open

High-speed side electromagnetic con-

tactor

High-speed (=0)

Low-speed (=1)

Power-line status check signal (RCHA)

PMC ³ CNC

High-speed (=0)

Low-speed (=1)

Switching completion signal (RCFNA)

CNC ³ PMC

NOTE

1

A parameter is provided to disable switching from

high-speed range to low-speed range at speeds

exceeding the switchable speed (speed detection signal

SDTA = 0).

2

Switch the clutch/gear signals (CTH1A, CTH2A) so that

data such as velocity loop gain can be set separately for

low-speed characteristics mode and high-speed

characteristics mode.

3

An alarm (AL-15) is issued if the magnetic contactor signal

is not applied within one second of the power line switch

signal being output. Ensure that the magnetic contactor

signal is applied within one second of the power line switch

signal being output.

4

Because there are electromagnetic contactor operation delays

etc. when checking electromagnetic contactor MCC1, MCC2

selection conditions in electromagnetic contactor MCC1 only,

auxiliary contacts make sure that there is a minimum time lag of

50msec between operating the MCC1, MCC2 switch and

changing the power cable condition verification signal (RCHA) with

the power cable switching cable (RCHPA).

527

11. OPTION RELATED TO SPINDLE

B-65162E/03

11.5.7

The table below lists the parameters related to the speed range switching

control function. Refer to the Parameter manual for details.

Parameters

Parameter No.

Description

FS0

FS15

FS16

Whether the speed range switching control function is used (Set to 1.)

6515#2

3015#2

4015#2

(CNC software option is necessary.)

Function for checking the statuses of the magnetic contactors for both high-speed

6514#3

3014#3

4014#3

range and low-speed range

Function for checking the speed detection signal when switching from high-speed

6519#4

3019#4

4019#4

range to low-speed range

6523

3023

4023

Speed detection level

6924

3304

4160

Hysteresis for the speed detection level

11.5.8

Cautions in Use

D Use an electromagnetic contactor for speed range switching whose

capacity is suited for the spindle amplifier module

For the sake of reference, the table below lists the model ratings of

electromagnetic contactors made by Fuji electric and Telemechanic.

Electromagnetic contactor

Applicable

30-minute rated

spindle amplifier

current of the

Flowing current

Model ratings

module

amplifier (A)

(A)

SPM-2.2

13.4

SC-4-0

22

SPM-5.5

30

SC-1N

50

SPM-11

48

SC-2N

60

SPM-15

63

SC-2SN

80

SPM-22

95

SC-4N

135

SPM-26

111

SC-5N

150

SPM-30

133

SC-6N

150

SPM-45

198

SC-8N

260

D In order to suppress electrical noise generated at switching in the

electromagnetic contactor for speed range switching, use a surge

absorber containing resistor and capacitor.

D Setting the machine ready signal (MRDYA)

For the purpose of safety, use two signals in the sequence that makes

the system operable. These are the emergency stop signal (_*ESPA) and

machine ready signal (MRDYA). Set the machine ready signal

(MRDYA) to 1 to allow operation of the machine.

D When conducting rigid tapping, set the desired speed range in advance

and do not perform switching.

Accordingly, when conducting rigid tapping, although the speed

detection signal (SDTA) will be output from the spindle amplifier, be

sure that this signal is ignored.

528

11. OPTION RELATED TO SPINDLE

B-65162E/03

11.6

SPINDLE SWITCHING

CONTROL

11.6.1

Spindle switching control uses a spindle amplifier module TYPE III in a

machine that has two spindle motors but does not move both

General

simultaneously. Furthermore, it has an electromagnetic contactor to

change power lines on the outside of the spindle amplifier. The function

works by switching between motors with the same characteristics or two

motors that have different output power characteristics.

It has the following uses.

D In turning centers etc. it uses a single spindle amplifier to switch the

power line, velocity feedback signal line and the orientation signal line

using the Main Spindle Motor for turning and the Sub Spindle Motor

for rotation tools.

D It uses a single spindle unit to switch the power line, velocity feedback

signal line and the orientation signal line using the vertical axis motor

and horizontal axis motor of the machine tool with five- surface

machining capability.

NOTE

This function is not available for αC series.

11.6.2

To control two spindle motors with one spindle amplifier, the following

are additionally required:

Configuration

D Magnetic contactor (switch unit) for power line switching

D Signals between the PMC and switch unit

Switch signal

Status check signal

Switch unit

Spindle

Main

amplifier

spindle

Power

PMC

CNC

module

motor

line

(SPM)

Type 3

Feedback signal

Sub

spindle

motor

Feedback signal

530

11. OPTION RELATED TO SPINDLE

B-65162E/03

D Cs contouring control cannot be used both MAIN and SUB side.

D Gear change on the SUB side can be set to 2 stages.

D The spindle switching function can be used for the Power Mate D/F.

D The spindle switching function cannot be used for αC series.

11.6.5

Connection

(1) Connection

Relay circuit

Communication

cable

Magnetic

Single-phase

contactor

200 VAC

switch circuit

CNC

Spindle amplifier

Magnetic contactor

and

module (SPM)

for power line

Main spindle motor

PMC

Type 3

switching

Auxiliary

contact

Sub spindle motor

JY2

JY6

Auxiliary

contact

NOTE

In this figure, the power supply module is omitted. The machine tool builder is to provide all units

and cables other than the spindle amplifier and AC spindle motors.

532

B-65162E/03

11. OPTION RELATED TO SPINDLE

(2)

Details of Connections for the PMC and Switching Unit

It shows the case that the status of the electromagnetic contactors both on

the MAIN spindle side and on the SUB spindle side is input.

PMC

Switching unit

Power-line switching

signal

DV

Relay

0V

+24V

+24V stabirized

0V

power supply

+24V

200VAC

Auxiliary

A contact

RV

Sub spindle side MCC

status signal

MCC1

Auxiliary

B contact

0V

Auxiliary

B contact

RV

Main spindle side MCC

status signal

MCC2

Auxiliary

A contact

0V

NOTE

1

The main contact terminals and power line in contact are omitted.

2

Add a surge absorber to the electromagnetic contactor operation coil as necessary.

3

Use a power-line switching electromagnetic contactor with the proper capacity for each spindle

motor.

533

11. OPTION RELATED TO SPINDLE

B-65162E/03

11.6.6

Spindle Control

Signals

(1)

Input Signals (DI Signals) PMC to CNC

(a)

Signal addresses

First spindle control input signal

FS0

FS15

FS16

#7

#6

#5

#4

#3

#2

#1

#0

RCHA

RSLA

INTGA

SOCNA

MCFNA

SPSLA

*ESPA

ARSTA

G230

G226

G071

G231

G229

G072

RCHHGA

MFNHGA

INCMDA

OVRA

DEFMDA

NRROA

ROTAA

INDXA

Second spindle control input signals

FS0

FS15

FS16

#7

#6

#5

#4

#3

#2

#1

#0

G234

G234

G075

RCHB

RSLB

INTGB

SOCNB

MCFNB

SPSLB

*ESPB

ARSTB

G235

G237

G076

RCHHGB

MFNHGB

INCMDB

OVRB

DEFMDB

NRROB

ROTAB

INDXB

(b)

Switching request signal (SPSLA)

[Function] It is used as an instruction signal which selects the spindle motor.

0 : The main spindle motor is selected.

1 : The sub spindle motor is selected.

[Usage] This signal is changed after stopping the spindle motor.

Speed zero signal (SSTA) is used for confirming that a spindle motor is

stopping.

Since it is necessary that motor power is off for spindle changing, please

set off the spindle rotation command (SFRA/SRVA) and the spindle

orientatation command (ORCMA) at switching spindle motors.

(c)

Power-line status check signal (MCFNA)

[Function] The selection status signal of the electromagnetic contactor for switching

the spindle motor power-lines is input.

0 : The main spindle is selected.

1 : The sub spindle is selected.

[Usage] Usually, the state of the auxiliary contact (contact A) of the magnetic

contactor for the sub spindle motor is entered directly.

[Function] When bit 2 of parameter No. 4014 (FS16) is set to 0, this signal is used

as the power line state check signal. So, the state of selection by the

magnetic contactor for spindle motor power line switching is entered.

0: The main spindle motor is selected.

1: The sub spindle motor is selected.

[Usage] In the case of changing from the main spindle to the sub spindle, this

signal is set from ”1” to ”0” after confirming that the electromagnetic

contactor on the main spindle side is off and that the electromagnetic

contactor on the sub spindle side is on.

In the case of changing from the sub spindle to the main spindle, this

signal is set from ”0” to ”1” after confirming that the electromagnetic

contactor on the sub spindle side is off and that the electromagnetic

contactor on the main spindle side is on.

534

B-65162E/03

11. OPTION RELATED TO SPINDLE

(d)

Main spindle side electromagnetic contactor status signal (MFNHGA)

This signal is effective for parameter NO.4014 #2=1 (FS16)

[Function] The opening and closing status signal of the electromagnetic contactor for

power-line on the main spindle side is input.

0 : The electromagnetic contactor on the main spindle side is open.

1 : The electromagnetic contactor on the main spindle side is closed.

[Usage] The status of the auxiliary contact (”A” contact) of the electromagnetic

contactor on the main spindle side is input.

This signal is valid when bit 2 of parameter No. 4014 (FS16) is set to 1.

(2)

Output Signal (DO signal) CNC to PMC

(a)

Signal addresses

First spindle control output signal

FS0

FS15

FS16

#7

#6

#5

#4

#3

#2

#1

#0

ORARA

TLMA

LDT2A

LDT1A

SARA

SDTA

SSTA

ALMA

F281

F229

F045

MOAR2A

MOAR1A

POAR2A

SLVSA

RCFNA

RCHPA

CFINA

CHPA

F282

F228

F049

Second spindle control output signals

FS0

FS15

FS16

#7

#6

#5

#4

#3

#2

#1

#0

ORARB

TLMB

LDT2B

LDT1B

SARB

SDTB

SSTB

ALMB

F285

F245

F049

MOAR2B

MOAR1B

POAR2B

SLVSB

RCFNB

RCHPB

CFINB

CHPB

F286

F244

F050

(b)

Power-line switching signal (CHPA)

[Function] It is an instruction signal to select the electromagnetic contactor for

switching the spindle motor power-line.

0 : The electromagnetic contactor for the main spindle should be selected.

1 : The electromagnetic contactor for the sub spindle should be selected.

[Usage] This signal is output after receiving the switching request signal

(SPSLA).

This signal selects the electromagnetic contactor for switching the spindle

motor power-line.

At changing from the sub spindle to the main spindle, this signal changes

from ”1” to ”0” after the switching request signal (SPSLA) is received.

As a result, the electromagnetic contactor for the sub spindle is first turned

off. After it is confirmed to have turned off the electromagnetic contactor

for the sub spindle, the electromagnetic contactor for the main spindle is

turned on.

At changing from the main spindle to the sub spindle, this signal changes

from ”0” to ”1” after the switching request signal (SPSLA) is received.

As a result, the electromagnetic contactor for the main spindle is first

turned off. After it is confirmed to have turned off the electromagnetic

contactor for the sub spindle is turned on.

535

B-65162E/03

11. OPTION RELATED TO SPINDLE

11.6.7

Sequence

(1) When the Status of both Electromagnetic Contactors for the Sub Spindle (MCFNA) and for the Main Spindle

(MFNHGA) is Confirmed on the Spindle Side and the Spindle Switching Control Works

Parameter NO.4014 #2=1 (FS16)

MAIN SPINDLE ³ SUB SPINDLE ³ MAIN SPINDLE

Spindle forward rotation command

(SFRA) or Spindle reverse rotation

OFF (=0)

OFF (=0)

ON (=1)

ON (=1)

ON (=1)

command (SRVA)

PMC ³ CNC

Spindle motor speed

Stop

Speed zero signal (SSTA)

OFF (=0)

OFF (=0)

OFF (=0)

CNC ³ PMC

ON (=1)

ON (=1)

Switching request signal (SPSLA)

MAIN (=0)

MAIN (=0)

PMC ³ CNC

SUB (=1)

MAIN (=0)

Power-line switching signal (CHPA)

MAIN (=0)

SUB (=1)

CNC ³ PMC

Main side electromagnetic contactor

OPEN

(MCC2)

CLOSED

CLOSED

Main side electromagnetic contactor

CLOSED (=1)

status signal (MFNHGA)

OPEN (=0)

CLOSED (=1)

PMC ³ CNC

Sub side electromagnetic contactor

OPEN

OPEN

CLOSED

(MCC1)

OPEN (=0)

OPEN (=0)

Sub side electromagnetic contactor

CLOSED (=1)

status signal (MCFNA)

PMC ³ CNC

SUB (=1)

Switching completion signal (CFINA)

MAIN

MAIN (=0)

CNC ³ PMC

(=0)

t₁

t₁’

t₁<1sec

t₁’<1sec

besides

besides

t₂

t₂’

t₂<1sec

t₂’<1sec

NOTE

If the electromagnetic contactor status check signals for the main spindle (MFNHGA) and for

the sub spindle (MCFNA) do not change within 1 second after the switching request signal

(SPSLA) is changed, the alarm occurs.

537

11. OPTION RELATED TO SPINDLE

B-65162E/03

(2) When the Spindle Switching Control Works by Confirming Only the Power-line Status Check Signal (MCFNA)

For parameter No. 4014#2=0 (FS16)

MAIN SPINDLE ³ SUB SPINDLE ³ MAIN SPINDLE

Spindle forward rotation command

(SFRA) or Spindle reverse rotation

OFF (=0)

ON (=1)

OFF (=0)

ON (=1)

ON (=1)

command (SRVA)

PMC ³ CNC

Spindle motor speed

Stop

Speed zero signal (SSTA)

OFF (=0)

OFF (=0)

OFF (=0)

ON (=1)

ON (=1)

CNC ³ PMC

SUB (=1)

MAIN (=0)

Switching request signal (SPSLA)

MAIN (=0)

PMC ³ CNC

MAIN (=0)

MAIN (=0)

Power-line switching signal (CHPA)

SUB (=1)

CNC ³ PMC

OPEN

CLOSED

CLOSED

Main side electromagnetic contactor

(MCC2)

OPEN

OPEN

CLOSED

Sub side electromagnetic contactor

(MCC1)

Power-line status check signal

OPEN (=0)

OPEN (=0)

(MCFNA)

CLOSED (=1)

PMC ³ CNC

Switching completion signal

SUB (=1)

MAIN (=0)

MAIN (=0)

(CFINA)

CNC ³ PMC

t₁

t₁

G

NOTE

1

Because there are electromagnetic contactor operation delays etc. when checking

electromagnetic contactor MCC1, MCC2 selection conditions in electromagnetic contactor

MCC1 (see PMC and switching unit contact details) only, auxiliary contacts make sure that

there is a minimum time lag of 50 msec between operating the MCC1, MCC2 switch and

changing the power cable condition verification signal (MCFN) with the power cable switching

signal (CHP).

2

If the power-line status signal (MCFNA) doesnot change within 1 second after the switching

request signal (SPSLA) is changed, the alarm occurs.

538

B-65162E/03

11. OPTION RELATED TO SPINDLE

11.6.8

Refer to the Parameter manual for details of parameters.

D Automatic initial setting of spindle parameters can also be performed

Parameters

for the sub spindle.

D The table below lists the parameters related to the spindle switching

control function.

Parameter No.

Description

FS0

FS15

FS16

6514#0

3014#0

4014#0

Whether the spindle switching control function is used (Set to 1.)

Whether the spindle switching control function is enabled during rotation of the sub

6514#1

3014#1

4014#1

spindle

Function for checking the statuses of the magnetic contactors both for the main

6514#2

3014#2

4014#2

spindle and for the sub spindle

6524

3024

4024

Zero speed detection level (for the main spindle)

6163

3343

4199

Zero speed detection level (for the sub spindle)

D The following parameters may have to be changed depending on the

combination of the two motors and the spindle switching control.

Manually change the parameters after automatic parameter setting.

Parameter No.

FS0

FS15

FS16

Description

Main

Sub

Main

Sub

Main

Sub

6513

6153

3013

3333

4013

4189

Data on dead zone for current

#6 to 2

#6 to 2

#6 to 2

#6 to 2

#6 to 2

#6 to 2

6610

6228

3110

3408

4110

4264

Current conversion constant

6612

6230

3112

3410

4112

4266

Current prediction constant

11.6.9

Cautions in Use

D The magnetic contact for switching the power line must have an

adequate capacity for the spindle amplifier module.

The example given below shows the model codes of Fuji Electric Co.,

Ltd.

Magnetic contactor

30min. rated cur-

Applicable

rent for amplifier

Flowing current

spindle amplifier

Model code

(A)

(A)

SPM-11

48

SC-2N

60

SPM-15

63

SC-2SN

80

SPM-22

95

SC-4N

135

SPM-26

111

SC-5N

150

SPM-30

133

SC-6N

150

SPM-45

198

SC-8N

260

D To suppress electrical noise generated while the magnetic contact

switches power lines, use a surge absorber containing resistors and

capacitors.

539

11. OPTION RELATED TO SPINDLE

B-65162E/03

D The indicated voltages for the speed meter and load meter of the main

spindle may differ from those of the sub spindle. In this case, switch

between the speed meter or load meter for the main spindle and sub

spindle as follows.

Switching circuit

SM

or

LM

For sub

For main spindle

spindle

0M

Speed meter or

load meter

540

B-65162E/03

11. OPTION RELATED TO SPINDLE

11.7

SWITCHING UNIT

11.7.1

The switching unit uses an electromagnetic contactor outside the spindle

amplifier module to switch power lines for spindle switching control for

General

two motors or for speed range switching control for a motor in the

following cases:

D Switching a power line from one motor to another motor (spindle

switching control)

D Switching a power line for a motor which has two types of windings

(speed range switching control)

NOTE

This unit cannot be used for αC series.

11.7.2

Specification No.

Applicable

Specification No.

Application

amplifier

For spindle switching control and for speed

A06B-6078-K034

range switching control (Type B)

SPM-15 or

less

A06B-6078-K035

For speed range switching control (Type A)

For spindle switching control and for speed

A06B-6078-K036

range switching control (Type B)

SPM-30 or

less

A06B-6078-K037

For speed range switching control (Type A)

NOTE

Type A : Switching the

connection for the motor winding.

Type B : Switching the

connection for the motor winding.

541

11. OPTION RELATED TO SPINDLE

B-65162E/03

11.7.3

Specifications

(1)

Specifications of Electromagnetic Contactors

A58L-0001-0306

A58L-0001-0312

FANUC purchase

(SC-3N manufactured

(SC-6N manufactured

code No.

by Fuji Electric)

by Fuji Electric)

Rated operating

220 V

220 V

voltage

Rated operating

65 A

125 A

current

Closed cir-

Closed cir-

Current capacity for

780A

1500A

cuit

cuit

the closed circuit

and shut-off

Shut-off

650A

Shut-off

1250A

Frequency

of

1200 times/hour or more

switching operation

Life expectancy of

Mechanical

5 million times or more

the switching op-

eration

Electrical

1 million times or more

Rating of the elec-

tromagnetic opera-

200/220 V, -15%, +10%, 50/60"1 Hz

tion coil

Applicable spindle

SPM-15 or less

SPM-30 or less

amplifier module

(2)

Specifications of the Relay

A58L-0001-0307

FANUC purchase code No.

(LY2-D manufactured by Omron)

Rated voltage

24V " 10%

Rated current

36.9 mA

542

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