YASKAWA PG-X2 User manual

YASKAWA

PG SPEED CONTROLLER CARD PG-X2

INSTRUCTIONS



YA S K AWA

MANUAL NO. TOE-C736-40.4

VARISPEED-616G5 OPTION CARD

Upon receipt of the product and prior to initial operation, read these

instructions thoroughly and retain them for future reference.

NOTE

NOTES FOR SAFE OPERATION

Read this instruction manual thoroughly before installation,

operation, maintenance or inspection. In this manual, the NOTES

FOR SAFE OPERATION is classified as “CAUTION”.

CAUTION

Indicates a potentially hazardous situation which, if not avoided, may

result in minor or moderate injury to personnel and damage to

equipment.

It may also be used to alert against unsafe practices.

Even items described in CAUTION may result in a vital accident in

some situations. In either case, follow these important items.

: These are steps to be taken to insure proper operation

and to avoid malfunctions, etc.

CAUTION

SThe option card uses a C MOS IC chip. It may break if touched by bare

fingers because of static electricity. Be careful when handling.

SWhen removing the option card from the inverter for transportation or stor-

age, put the card into the anti-static package it was in when delivered.

SNever change wiring or connect or disconnect connectors while the power

is ON.

Failure to observe this caution may injure you.

PG speed controller card, PG-X2 is mounted on the control board of the inverter,

and performs speed feedback using the pulse generator (PG) on the motor to cor-

rect speed fluctuations caused by slipping. Motor rotation direction is detected

by phase A and phase B PG pulse inputs. The card is used for flux vector control.

This option card is applicable to the following inverter series:

VS−616G5: Entire series

Name Code No. Functions

PG speed

controller card

PG−X2

73600−A015X

SApplicable to RS-422 output PG

SPhase A and phase B pulse (2−phase pulse)

inputs for vector control

SMaximum input frequencyrange : 50 to

300kHz

SPulse monitor output: RS-422 output

Terminal TA3

(for connecting

shielded sheath)

Terminal block

TA1

Terminal block

TA2

Spacer mounting

hole (3.2mm dia.)

Variable resistor for

adjusting +5V power

Spacer mounting

hole (3.2mm dia.)

Connector to inverter

control board (4CN)

Spacer mounting

hole (4.0mm dia.)

Variable resistor for

adjusting +12V power

Grounding lead wire

(connected to pin #12

of inverter control board)

Fig. 1 PG speed controller card PG-X2

Verify that the attachment below is in the package.

SSpacer : 1 pc. (Dimentions in mm)

14.4

5 33.6 5.7

Fig. 2 Spacer (code no. SRNT41028−9)

Before use,

(1) Before using PG−X2, read this manual and the manual for the

installation of the inverter.

(2) Before connecting PG−X2 or external terminals, turn OFF main power

of the inverter and verify the CHARGE indicaor lamp of the inverter is

OFF.

(3) When ordering PG−X2, specify the name and code number.

1Inspection after Delivery

CAUTION

SVerify that ordered products have been delivered.

Installation of a wrong device may lead to injury or damage.

Though the products have undergone rigorous inspection before shipping, check

the following for safety.

SCheck the name written on the product to verify that ordered products have

been delivered.

SCheck for damage caused during transportation.

If there is anything uncertain on the structure, contact your YASKAWA repre-

sentative.

NOTE

2Installing to Inverter (See Fig. 3)

2.1 Installation Procedure

1Turn OFF the main power and wait for the time specified on the cover of the

inverter. Remove the cover and verify that the CHARGE indicator lamp is

OFF.

2Insert the attached spacer (SRNT41028−9) into the spacer mounting hole

in the mounting base of the inverter. (See Fig. 3.)

Inverters of 3.7kW or smaller capacities have two closely placed holes. In-

sert the spacer into the hole on the 7CN side. Inserting into the wrong hole

will stack the spacer. Be careful to insert in the proper hole in the proper

inserting direction.

3Align the two holes of PG−X2 and projections as shown in the detailed side

view, first at location (a) and then at (b), and precisely place the card on the

option A connector. Insert the spacer mounted at 2 above into the PG−X2

spacer mounting hole. (See part A of the side view.)

Verify that 4CN is precisely aligned to PG−X2. Gently push the card until

it clicks.

Spacer mounting

hole Top

Option A

Option C

Control board

Option D

4CN Option

A connector

2CN Option

C connector

3CN Option

D connector

Connector

terminal

Grounding terminal Bottom

Front view Details

Option A installation spacer

(SRNT41028−9, comes with PG−X2)

Mounting base of inverter

Mounting base

of inverter Spacer mounting

hole

Control board

Spacer

Mounting

base side

Option A side

Installation of spacer

Side view

(b)

(a)

PG-X2

Fig. 3 Installation of PG speed controller card PG−X2

3Interconnection

Fig. 4 shows interconnection between the inverter, PG−X2, and peripheral

equipment.

Inverter

Motor

Pulse monitor outputs

Pulse A

Pulse B

Pulse Z

(Forward rotation)

Grounding lead wire

L1(R)

L2(S)

L3(T)

U(T1)

V(T2)

W(T3)

Pulse B

Output

*Power supply for PG (From PG-X2)

TA1 1-2 (0V) : +12V 200mA max.

TA2 3-2 (0V): +5V 200mA max.

DO NOT use the both supplies at the same

time.

PG speed controller card PG-X2

Pulse A

Pulse B

Pulse Z

Fig. 4 Interconnection diagram

Notes on wiring

SSeparate the control signal wires ( from terminals TA1 and TA2 ) of the

PG−X2 from the main circuit wires and other power cables.

SUse a shielded wire to connect to the PG. Connect the wire as shown in

Fig. 5 to prevent interference by noise. The wire must be 100m or shorter.

Shielded Sheath Armor

To inverter shielded

sheath terminal TA3 Insulate these parts

with insulating tape.

Never connect.

Fig. 5Shielded wire termination

NOTE

4Wiring

See Table 1 for the functions of the external terminals.

Table 1 External terminals

Terminal block

symbol

No. Functions

1 +12V For power supply (+12V, +5V should not be used

2 0V at the same time.)

+12V

200mA

max.

3 +5V

+12V

200mA

max

+5V 200mA max.

4 +

pulse

5−

6 +

pulse

PG signal input*

422

level

input

7−

422

level

input

8 +

pulse

9−

10 0V Common terminal

1 +

pulse

2−

3 +

pulse

Pulse monitor output

422

level

output

TA2 4−

422

level

output

5 +

pulse

6 -

7 SG Common terminal

TA3 Shielded sheath connection terminal

*For two−phase pulse input from PG, input 90°lead pulse to A−pulse side and 90°delay pulse to

B−pulse side during forward run.

PG signal output

The PG signal output (phases A and B) may vary according to installation loca-

tion on the motor. Refer to Fig. 4 for correct wiring.

In general, motor forward direction is counterclockwise (CCW) as viewed from

the load shaft. For YASKAWA’s motor, phase A of PG output leads phase B by

a phase angle of 90_in clockwise (CW) rotation. According to PG, phase A lags

phase B by a phase angle of 90_in clockwise (CW) rotation. In this case, when

PG is installed at the opposite drive end, connect phases A and B output from

PG to the option card as it is.

For YASKAWA’s inverter motor with PG, PG is installed at the opposite drive

end. Then, phase A lags phase B by a phase angle of 90_at motor forward run.

(Motor runs CCW as viewed from PG.) Therefore, when using this motor or

similar motors, connect phases A and B to the option card after replacing phase

output. The pulse monitor on this option shows phase A leading phase B by a

phase angle of 90_.

Make sure the followings when wiring.

STo prevent noise, use shielded wire and separate from heavy current circuits

(200VAC or greater) or relay drive circuits. (Wire length to the PG connec-

tor must be 50m or shorter.)

SConnect both ends of the unused wire of the shielded wire to the 0V termi-

nal.

SConnect the grounding lead wire (E) to pin 12 of the control board of the

inverter.

SApplicable wire sizes for terminal block TA1 and TA2 are shown below.

[Terminal: MKDS1 series manufactured by Phoenix Contact GmbH &

Co.]

[mm2]AWG I [A] VAC [V]

Thin twisted wire 116 12 125

Solid wire 1.5 16 12 125

UL 22−16 10 300

CSA 28−16 10 300

CSA 28−16 10 150

Terminal block TA1,TA2 side

Connecting wire end

5.5 mm

Notes on selecting cables

Too thick a cable applies pressure to the option card and may lead to failure.

Too thin a cable may lead to imperfect contact or a break in the wire.

NOTE

5Selecting PG

The maximum frequency of PG output pulse that can be detected is 300kHz.

Find output frequency, fPG (Hz), according to the following formula.

fPG (Hz) =Motor rotation speed (r∕min) at max. frequency output

60 ×PG constant (p∕rev)

If the PG power capacity is 200mA or greater, provide a separate power supply.

(If momentary power loss ride-through function is necessary, provide backup

capacitor or take other necessary measures.)

PG power

supply

*Backup capacitor momentary

power loss recovery

Signal

0V12V

Fig. 6Connection example with PG when using separate power supply

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