YASKAWA PG-B2 User manual

YASKAWA

MANUAL NO. TOBP C730600 09A

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

thoroughly and retain them for future reference.

PG SPEED CONTROLLER CARD PG-B2

Varispeed G5/F7/G7 OPTION CARD

INSTRUCTIONS

YA S K AWA

or transmitted, in any form, or by any means, mechanical, electronic, photocopying, recording,

or otherwise, without the prior written permission of Yaskawa. No patent liability is assumed

with respect to the use of the information contained herein. Moreover, because Yaskawa is con-

stantly striving to improve its high-quality products, the information contained in this manual is

subject to change without notice. Every precaution has been taken in the preparation of this

manual. Nevertheless, Yaskawa assumes no responsibility for errors or omissions. Neither is

any liability assumed for damages resulting from the use of the information contained in this

publication.

NOTES FOR SAFE OPERATION

Before installation, operation, maintenance or inspection of this option, a technically quali-

fied individual who is familiar with this type of equipment and the hazards involved should

read this entire manual thoroughly. In this manual, the NOTES FOR SAFE OPERATION

are classified as “CAUTION”.

Indicates a potentially hazardous situation that, if not avoided, may result in minor

or moderate injury to personnel and damage equipment.

Failure to heed notices labeled with may result in dangerous situations or

equipment damage.

Steps to be taken to insure proper operation and to avoid malfunctions.

Before use,

1. Before installing the Encoder (PG) Feedback Card (the PG-B2 card), read this manual and the man-

ual for the installation of the drive.

2. Before connecting the PG-B2 card or external terminals, turn OFF the main power to the drive and

verify that the CHARGE indicator lamp of the Drive is OFF.

3. When ordering the PG-B2 card, specify the product type and code number.

CAUTION

NOTE

• The option card uses a CMOS IC chip. It may break if touched by bare fingers because of static

electricity. Be careful when handling.

• When removing the option card from the drive for transportation or storage, the card should be

placed in the anti-static package it was received in.

• DO NOT alter wiring or connect or disconnect connectors while equipment power is ON.

Failure to observe these cautions may result in injury or equipment damage!

CAUTION

NOTE

Contents

NOTES FOR SAFE OPERATION - - - - - - - - - - - - - - - - - - - - - - - - - - - 3

1 Inspection after Delivery - - - - - - - - - - - - - - - - - - - - - - - - - - - 5

2 Introduction and Component Names - - - - - - - - - - - - - - - - - - 6

3 Installation Procedure - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7

3.1 Before Installation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -7

3.2 Drive Installation Procedure - - - - - - - - - - - - - - - - - - - - - - - - -7

4 Interconnection - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9

5 Wiring - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10

5.1 Terminal Functions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -10

5.2 Wiring Precautions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11

6 Application of Encoder (PG) - - - - - - - - - - - - - - - - - - - - - - - 13

7 PG-B2 Card Parameter List - - - - - - - - - - - - - - - - - - - - - - - 14

Revision History

1 Inspection after Delivery

Prior to shipment, all Yaskawa products undergo rigorous inspection procedures to ensure accu-

racy and reliability. We recommend checking the following items upon receipt.

• Check that the code number (73600-A013X) and product type (PG-B2) labeled on the

actual card correspond to product ordered.

• Check for damage or shortage caused during transportation.

Report any material or manufacturing defects on the card to your Yaskawa representative.

• Verify that the products received are the products ordered.

Installation of incorrect product may lead to injury or damage.

CAUTION

2 Introduction and Component Names

The Encoder (PG) Feedback Card (hereafter referred to the PG-B2 card) is mounted on the

drive’s control board to provide speed and direction feedback. The drive’s control logic can use

this information for purposes such as correcting for speed fluctuation caused by motor slip and

maintaining the velocity.

Using standard software, the PG-B2 card can be used for closed loop control (Flux Vector or

V/F with PG). The marker (C or Z) pulse cannot be used from the encoder.

The PG-B2 card is compatible with the G5, F7 and G7 Yaskawa drives.

The external appearance and component names are shown in Fig. 1

Fig. 1 Encoder (PG) Feedback Card (PG-B2)

Name Code No. Functions

PG speed controller card

PG-B2

73600-A013X • Applicable to complementary output PG

• Phase A and phase B pulse (2-phase pulse)

inputs for vector control

• Maximum input PG frequency: 32,767 Hz

• Pulse monitor output: +24 V, 30 mA (max.)

(Open collector output)

Terminal TA3

(for connecting

shielded sheath)

Terminal block

TA1 Terminal block TA2

Grounding lead wire

(connected to the grounding terminal

(G5: 12 (G), G7 or F7: E (G)) of Inverter

control board)

Variable resistor for

adjusting +12V power

Spacer mounting

hole (3.2 mm dia.) Spacer mounting

hole (4.0 mm dia.)

Spacer mounting

hole (3.2 mm dia.)

Connector to Inverter

control board (4CN)

3 Installation Procedure

3.1 Before Installation

Remove contents from package and verify that a mounting spacer (code number

SRNT41028-9) is included with the PG-B2 card (see Fig. 2).

Fig. 2 Spacer

3.2 Drive Installation Procedure

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

voltage to bleed off the DC bus capacitors. Remove the cover and verify that the

CHARGE indicator lamp is OFF.

2. Insert the spacer (SRNT41028-9) into the spacer mounting hole in the mounting base of

the Drive (see Fig. 3). Drive models of 3.7 kW or smaller capacities have two closely

spaced mounting holes. Insert the spacer into the hole closest to the 7CN connector on

the control board. Insertion of the spacer into the incorrect hole will stack the spacer. Be

careful to insert in the proper hole in the proper inserting direction.

3. Align the two holes of the PG-B2 card 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-B2 spacer mounting hole.

(See part A of the side view on the next page.)

4. Rotate the top edge of the card down into place, carefully aligning connector 4CN on

the back of the card with connector 4CN on the control board.

5. Gently press the card into place until 4CN and the spacer click into place.

6. Connect the grounding lead wire of the PG-B2 card to the grounding terminal (G5: 12

(G), G7 or F7: E (G)) on the control board.

Drive End Option Card End

0.197 in. (5 mm) 1.32 in. (33.6 mm) 0.224 in. (5.7 mm)

0.567 in. (14.4 mm)

Note: Be sure to remove the option clip before installing the PG-B2 card. If

the card is installed with the clip attached, the card cannot be cor-

rectly installed, and the card will perform poorly.

Fig. 3 Installation of the PG-B2 Card

PG-B2

4CN Option

A connector

Spacer mounting hole

2CN Option

C connector

3CN Option

D connector

Connector

terminal

Grounding terminal

(G5: 12 (G), G7 or F7: E (G))

Front View Side view

Details

Option D

Option C

Option A

Option A installation spacer

(SRNT41028-9, comes with PG-B2)

Mounting base of Inverter

Spacer mounting hole

Control board

Spacer

Mounting

base side

Option A side

Installation of spacer

Top

Bottom

Control board

PG-B2

(a)

(b)

Spacer mounting hole for option A

4CN

Option A connector

2CN

Option C connector

Option A installation spacer

(Comes with option A.)

Option clip

(To secure option C or D)

3CN

Option D connector

Option A Option A installation spacer

Option D installation spacer

Option C installaiton spacer

Option D

Option C

4 Interconnection

Fig. 4 shows interconnection between the Drive, the PG-B2 card, and peripheral equipment.

Note: The PG terminal symbols are the examples when using a Yaskawa’s motor.

PG type: LMA-B-S185Y (complementary output)

The pulse monitor emitter is connected to common inside the PG-B2.

The emitter common must be used for external circuits.

Fig. 4 Basic Interconnection Diagram (Example when Used with a G7-series Inverter)

Inverter

Motor

Pulse A

Pulse B

(Forward rotation)

Grounding lead wire

Pulse A

Pulse B

E (G)

Varispeed G7

Divider

Pulse monitor outputs

5 Wiring

5.1 Terminal Functions

* Up to +14 V ±5 % can be supplied by adjusting variable resistor RV1.

RV1 is set to 13.0 V at the factory prior to shipment.

PG Signal Output

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

nect 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°.

Table 1 Terminal Functions of PG-B2

Terminal Block

Symbol

No.

Functions Remarks

TA1 1 +12 V +12 V power supply

(+12 V ±5 %, maximum current 200 mA)*

Power supplies

for PG

20V

3+APulse

Encoder (Pulse generator, PG)

signal input.

Signal input level

H: +8 V to +12 V

L: +1 V or lower

4−

5+BPulse

6−

TA2 1 + A Pulse Pulse monitor output. Open collector

24 V max.

30 mA max.

2−

3+BPulse

4−

TA3 Shielded sheath connection terminal

Table of contents

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