YASKAWA SI-ET3 User manual

MECHATROLINK-III
YASKAWA AC Drive Option
Technical Manual
MANUAL NO. SIEP C730600 88E
Type: SI-ET3
To properly use the product, read this manual thoroughly and retain
for easy reference, inspection, and maintenance. Ensure the end user
receives this manual.

2YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual
Copyright © 2016 YASKAWA ELECTRIC CORPORATION
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, 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 constantly 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. 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.

YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual 3
Table of Contents
1 PREFACE AND SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 OVERVIEW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 RECEIVING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4 OPTION COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5 INSTALLATION PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6 RELATED DRIVE PARAMETERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7 TRANSMISSION INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
8 MECHATROLINK-III COMMANDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
9 MAIN COMMAND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
10 SUB-COMMANDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
11 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
12 EUROPEAN STANDARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
13 SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
14 DISPOSAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

4 YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual
1 Preface and Safety
1 Preface and Safety
YASKAWA Electric supplies component parts for use in a wide variety of industrial applications. The selection and
application of YASKAWA products remain the responsibility of the equipment designer or end user.
YASKAWA accepts no responsibility for the way its products are incorporated into the final system design. Under no
circumstances should any YASKAWA product be incorporated into any product or design as the exclusive or sole safety
control. Without exception, all controls should be designed to detect faults dynamically and fail safely under all
circumstances. All products designed to incorporate a component part manufactured by YASKAWA must be supplied to
the end user with appropriate warnings and instructions as to the safe use and operation of that part. Any warnings
provided by YASKAWA must be promptly provided to the end user. YASKAWA offers an express warranty only as to
the quality of its products in conforming to standards and specifications published in the manual. NO OTHER
WARRANTY, EXPRESS OR IMPLIED, IS OFFERED. YASKAWA assumes no liability for any personal injury,
property damage, losses, or claims arising from misapplication of its products.
Applicable Documentation
The following manuals are available for the SI-ET3 option:
Terms
SI-ET3 Option
YASKAWA AC Drive Option
SI-ET3 MECHATROLINK-III
Installation Manual
Manual No: TOBP C730600 88
This guide is packaged together with the product and contains information
necessary to install the option and set related drive parameters.
YASKAWA AC Drive Option
SI-ET3 MECHATROLINK-III
Technical Manual
Manual No: SIEP C730600 88
(This book)
The technical manual contains detailed information about the option. Access the
following sites to obtain the technical manual:
U.S.: http://www.yaskawa.com
Europe: http://www.yaskawa.eu.com
Japan: http://www.e-mechatronics.com
Other areas: Check the back cover of these manuals.
For questions, contact Yaskawa or a Yaskawa representative.
Drive
YASKAWA AC Drive
Manuals
Drive manuals contain basic installation and wiring information in addition to
detailed parameter setting, fault diagnostic, and maintenance information.
The most recent versions of these manuals are available for download on our
documentation websites:
U.S.: http://www.yaskawa.com
Europe: http://www.yaskawa.eu.com
Japan: http://www.e-mechatronics.com
Other areas: Check the back cover of these manuals.
For questions, contact Yaskawa or a Yaskawa representative.
Note: Indicates supplemental information that is not related to safety messages.
Option: YASKAWA AC Drive Option MECHATROLINK-III
Drive: • YASKAWA AC Drive 1000-Series (A1000, U1000, Z1000U)
• YASKAWA AC Drive GA500
• YASKAWA AC Drive GA700
• YASKAWA AC Drive GA800
• YASKAWA AC Drive CR700
• YASKAWA AC Drive CH700
Keypad: • LCD Operator for YASKAWA AC Drive 1000-Series
• LED Operator for YASKAWA AC Drive 1000-Series
• LCD Keypad for YASKAWA AC Drive GA500, GA700, GA800, CR700,
and CH700
• LED Keypad for YASKAWA AC Drive GA500, GA700, GA800, CR700,
and CH700

1 Preface and Safety
YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual 5
Registered Trademarks
• MECHATROLINK-III is a trademark of the MECHATROLINK Members Association (MMA).
• All trademarks are the property of their respective owners.
Supplemental Safety Information
Read and understand this manual before installing, operating, or servicing this option. The option must be installed
according to this manual and local codes.
The following conventions are used to indicate safety messages in this manual. Failure to heed these messages could
result in serious or possibly even fatal injury or damage to the products or to related equipment and systems.
DANGER
Indicates a hazardous situation, which, if not avoided, will cause death or serious injury.
WARNING
Indicates a hazardous situation, which, if not avoided, could cause death or serious injury.
CAUTION
Indicates a hazardous situation, which, if not avoided, could cause minor or moderate injury.
NOTICE
Indicates an equipment damage message.

1 Preface and Safety
6YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual
 General Safety
General Precautions
• The diagrams in this section may include options and drives without covers or safety shields to illustrate details. Be sure to reinstall covers or
shields before operating any devices. The option should be used according to the instructions described in this manual.
• The diagrams in this manual are provided as examples only and may not pertain to all products covered by this manual.
• The products and specifications described in this manual or the content and presentation of the manual may be changed without notice to
improve the product and/or the manual.
• Contact Yaskawa or a Yaskawa representative and provide the manual number shown on the front cover to order new copies of the manual.
DANGER
Heed the safety messages in this manual.
Failure to comply will cause death or serious injury.
The operating company is responsible for any injuries or equipment damage resulting from failure to heed the warnings
in this manual.
WARNING
Electrical Shock Hazard
Do not modify the drive or option circuitry.
Modifications to circuitry can cause serious injury or death, will cause damage to the drive and option, and will void
the warranty. Yaskawa is not responsible for modifications of the product made by the user.
NOTICE
Do not use steam or other disinfectants to fumigate wood for packaging the drive or option. Use alternative
methods, for example heat treatment, before you package the components.
Gas from wood packaging fumigated with halogen disinfectants, for example fluorine, chlorine, bromine, iodine or
DOP gas (phthalic acid ester), can cause damage to the drive and option.

2 Overview
YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual 7
2Overview
The option provides a communications connection between the drive and a MECHATROLINK-III network. The option
connects the drive to a MECHATROLINK-III network and facilitates the exchange of data.
This manual explains the handling, installation and specifications of this product.
MECHATROLINK-III is a communications link to connect industrial devices (such as smart motor controllers, operator
interfaces, and variable frequency drives) as well as control devices (such as programmable controllers and computers) to
a network. MECHATROLINK-III is a simple, networking solution that reduces the cost and time to wire and install
factory automation devices, while providing interchangeability of like components from multiple vendors.
Install the option/MIII option on a drive to perform the following functions from a MECHATROLINK-III master device:
• Operate the drive
• Monitor the drive operation status
• Change drive parameter settings
Compatible Products
The option can be used with the products in Tabl e 1.
Table 1 Compatible Products
Note: Refer to the option package labeling in the field designated “PRG” (four digit number)” or the option labeling in the field
designated “C/N” (S + four digit number)” to identify the option software version.
Product Series Model(s) Software Version <1>
<1> Refer to “PRG” on the drive nameplate for the software version number.
<2> Before you install the option on a YASKAWA AC Drive GA500, GA700, GA800, CR700, or CH700, make sure that the option software
version is PRG: 6202 or later.
A1000
CIMR-A2A ≥1020
CIMR-A4A0002 to 4A0675 ≥1020
CIMR-A4A0930 and 4A1200 ≥3015
CIMR-A5A ≥5040
≥1020
U1000
CIMR-UA
≥1010
CIMR-UE
CIMR-UP
CIMR-UW
Z1000U
CIMR-ZA
≥6110
CIMR-ZE
CIMR-ZP
CIMR-ZW
GA500
<2> CIPR-GA50 ≥1010
GA700
<2> CIPR-GA70 ≥1010
GA800 <2> CIPR-GA80 ≥9010
CR700
<2> CIPR-CR70 ≥1012
CH700
<2> CIPR-CH70 ≥1012

2 Overview
8YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual
Install the Option on a GA500 Drive
An option card installation case is necessary to install the option on a GA500 drive.
The option card installation case model is: JOHB-GA500. This case is sold separately.
Refer to the option card installation case manual for more information about installation.
Figure 1
Figure 1 Option Card Installation Case
Option card installation case
components (sold separately)
Option card
Drive front cover
A1000

3 Receiving
YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual 9
3 Receiving
After receiving the option package:
1. Make sure that the option is not damaged and no parts are missing. Contact your sales outlet if the option or other parts
appear damaged.
NOTICE: Do not use damaged parts to connect the drive and the option. Failure to comply could damage the drive and option.
2. Confirm that the model number on the option nameplate and the model listed in the purchase order are the same. Refer
to Figure 2 on page 10 for details. Contact the distributor where the option was purchased or contact Yaskawa or a
Yaskawa representative about any problems with the option.
Option Package Components
Table 2 Option Package Contents
Installation Tools
• A Phillips screwdriver. Phillips screw sizes vary by drive capacity.
• A flat-blade screwdriver (blade depth: 0.4 mm (0.02 in), width: 2.5 mm (0.1 in)).
• A pair of diagonal cutting pliers.
• A small file or medium-grit sandpaper.
Description:
<1> GA700, GA800, CR700, and CH700 drives do not use the ground wire.
<2> GA700, GA800, CR700, and CH700 drives use two screws only.
Option Ground
Wire <1>
Screws (M3)
LED Labels
Installation
Manual
1000-Series
GA500, GA700,
GA800, CR700,
and CH700
_
Quantity:
113 <2> 111
CON R/E
LK2 LK1
MANUAL

10 YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual
4 Option Components
4 Option Components
MECHATROLINK-III Option
Figure 2
Figure 2 SI-EN3 Option Components
Connector
Table 3 Communication Connector
A – Connector (CN5)
<1> Refer to Option LED Display on page 11 for details on the LEDs
<2> Connect the provided ground wire during installation. Installation on GA700, GA800, CR700, and CH700
drives does not require the ground wire.
F – LED (LK1) <1>
B – Installation hole G – Ground terminal (FE) and installation hole <2>
C–LED(CON) <1> H – Communication connector CN1
D–LED(R/E)
<1> I – Communication connector CN2
E–LED(LK2)
<1>
MECHATROLINK-III Connector Pin No. Signal Name I/O Function
1 TXD_P I/O Send data (+): OUT
2 TXD_N I/O Send data (-): OUT
3 RXD_P I/O Receive data (-): IN
4(NC) – –
5(NC) – –
6 RXD_N I/O Receive data (-): IN
7(NC) – –
8(NC) – –
Shell SLD – Shield
A1000
E
F
G
H
I
D
C
B
Underside
A
A1000
2468
1357
CN2
CN1

4 Option Components
YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual 11
Option LED Display
The MECHATROLINK-III Option has four LEDs that indicate the option card or communication status.
 Defining Option LED States
Figure 3
Figure 3 Option LED Labels
Table 4 Option LED States
Name State Operating Status Description
R/E
Lit in
green Power supply on • SI-ET3 has been successfully powered up • An internal, self-diagnostic check completed in the SI-ET3
Lit in red Error • Error/alarm occurred
• Command error occurred (parameter error, phase error, combination error)
Flashing in
red SI-ET3 error Error found during the SI-ET3 self-diagnostic check
Unlit Power supply off
• The drive has no power
• SI-ET3 is not properly connected to the drive, or SI-ET3 has no power
• An internal, self-diagnostic error occurred in the SI-ET3
CON
Lit in
green Connection established Established connection
Unlit Connection unestablished Connection with master device is not established
LK1
Lit in
green Connector CN1 connected Connector CN1 is connected to other stations
Unlit Connector CN1
disconnected
Connector CN1 is not connected to other stations (cable not connected, cable
disconnected, other stations not powered up)
LK2
Lit in
green Connector CN2 connected Connector CN2 is connected to other stations
Unlit Connector CN2
disconnected
Connector CN2 is not connected to other stations (cable not connected, cable
disconnected, other stations not powered up)
CON R/E
LK2 LK1
GA500, GA700, GA800,
CR700, and CH700 Label
1000-Series Label
A1000

12 YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual
5 Installation Procedure
5 Installation Procedure
Section Safety
DANGER
Electrical Shock Hazard
Do not inspect, connect, or disconnect any wiring while the drive is energized.
Failure to comply will cause death or serious injury.
Before servicing, disconnect all power to the equipment and wait for at least the time specified on the warning label.
The internal capacitor remains charged even after the drive is de-energized. The charge indicator LED will extinguish
when the DC bus voltage is below 50 Vdc. When all indicators are OFF, measure for unsafe voltages to confirm the
drive is safe.
WARNING
Electrical Shock Hazard
Do not operate equipment with covers removed.
Failure to comply could cause death or serious injury.
The diagrams in this section may include options and drives without covers or safety shields to illustrate details.
Reinstall covers and shields before operating the drive and run the drive according to the instructions described in this
manual.
Do not allow unqualified personnel to perform work on the drive or option.
Failure to comply could cause death or serious injury.
Only authorized personnel familiar with installation, adjustment, and maintenance of AC drives and options may
perform work.
Do not remove covers or touch circuit boards while the drive is energized.
Failure to comply could cause death or serious injury.
Do not use damaged wires, stress the wiring, or damage the wire insulation.
Failure to comply could cause death or serious injury.
Fire Hazard
Tighten all terminal screws to the specified tightening torque.
Loose or overtightened connections could cause erroneous operation and damage to the terminal block or start a fire
and cause death or serious injury.
NOTICE
Damage to Equipment
Observe proper electrostatic discharge (ESD) procedures when handling the option, drive, and circuit boards.
Failure to comply could cause ESD damage to circuitry.
Never connect or disconnect the motor from the drive while the drive is outputting voltage.
Improper equipment sequencing could damage the drive.
Do not connect or operate any equipment with visible damage or missing parts.
Failure to comply could further damage the equipment.
Do not use unshielded wire for control wiring.
Failure to comply may cause electrical interference resulting in poor system performance. Use shielded, twisted-pair
wires and ground the shield to the ground terminal of the drive.

5 Installation Procedure
YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual 13
Properly connect all pins and connectors on the option and drive.
Failure to comply could prevent proper operation and damage equipment.
Confirm that all connections are correct after installing the option and connecting peripheral devices.
Failure to comply could damage the option.
NOTICE

5 Installation Procedure
14 YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual
Procedures for Installing and Wiring Options on a Drive
Procedures to install and wire the option are different for different drivel models.
Refer to Table 5 to check the procedures to install and wire the option on a drive.
Table 5 Procedures for Installing and Wiring Options on a Drive
 Procedure A
This section shows the procedure to install and wire the option on a 1000-series drive.
Prepare the Drive for the Option
1. Correctly wire the drive as specified by the manual packaged with the drive.
2. Make sure that the drive functions correctly.
Refer to Figure 4 for an exploded view of the drive with the option and related components for reference in the
installation procedure.
Figure 4
Figure 4 Drive Components with Option
Product Series
<1> Use the option card installation case manual to install the option on GA500 drives.
<2> Before you install the option on a YASKAWA AC Drive GA500, make sure that the option software version is PRG: 6202 or later.
Procedures for Installing and Wiring
Options on a Drive Page
A1000 Procedure A 14
U1000 Procedure A 14
Z1000U Procedure A 14
GA500
<1> <2> –
GA700 Procedure B 18
GA800 Procedure B 18
CR700 Procedure B 18
CH700 Procedure B 18
A – Insertion point for CN5 connector K – Option modular connector CN2
B – SI-ET3 option L – Drive grounding terminal (FE)
C – Drive front cover M – Connector CN5-A
D – Keypad N – Connector CN5-B
(Not available for communication option
installation.)
E–LEDlabel
F – Drive terminal cover
G – Removable tabs for wire routing O – Connector CN5-C
(Not available for communication option
installation.)
H – Included screws
I – Ground wire
J – Option modular connector CN1
F
H
M
N
O
L
K
I
BC
D
E
A
G
J
CON R/E
LK2 LK1
A1000

5 Installation Procedure
YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual 15
Install the Option
Remove the front covers of the drive before you install the option. Refer to the drive manual for information about how
to remove the front covers. Different drive sizes have different cover removal procedures. You can only install this option
into the CN5-A connector on the drive control board.
DANGER! Electrical Shock Hazard. Do not inspect, connect, or disconnect any wiring while the drive is energized. Failure to comply
will cause death or serious injury. Before servicing, disconnect all power to the equipment and wait for at least the time specified on the
warning label. The internal capacitor remains charged even after the drive is de-energized. The charge indicator LED will extinguish
when the DC bus voltage is below 50 Vdc. When all indicators are OFF, measure for unsafe voltages to confirm the drive is safe.
1. Shut off power to the drive, wait the appropriate amount of time for voltage to dissipate, then remove the keypad
(D) and front covers (C, F).
Refer to the manual packaged with the drive for details on keypad and cover removal.
NOTICE: Damage to Equipment. Observe proper electrostatic discharge (ESD) procedures when handling the option, drive, and
circuit boards. Failure to comply could cause ESD damage to circuitry.
Figure 5
Figure 5 Remove the Keypad, Front Cover, and Terminal Cover
2. Affix the LED label (E) in the appropriate position on the drive front cover (C).
Figure 6
Figure 6 Affix the LED Label
C
D
F
A1000
CON R/E
LK2 LK1
C
E
A1000

5 Installation Procedure
16 YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual
3. Insert the option card (B) into the CN5-A (M) connector on the drive and fasten it into place using one of the
included screws (H). Tighten the screw to 0.5 to 0.6 Nm (4.4 to 5.3 inlb).
Figure 7
Figure 7 Insert the Option
4. Connect one end of the ground wire (I) to the ground terminal (L) using one of the remaining provided screws
(H). Connect the other end of the ground wire (I) to the remaining ground terminal and installation hole on the
option (B) using the last remaining provided screw (H). Tighten both screws to 0.5 to 0.6 Nm (4.4 to 5.3 inlb).
Figure 8
Figure 8 Connect the Ground Wire
Note: The drive has only two ground terminal screw holes (I). Two ground wires should share the same ground terminal when
connecting three options.
NS MS
M
H
B
A1000
NS MS
H
I
L
B
A1000

5 Installation Procedure
YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual 17
5. Select the proper MECHATROLINK-III dedicated communication cable according to Table 6.
Route the option wiring inside the enclosure as shown in Figure 9-B. Take proper precautions so that the front
covers will easily fit back onto the drive.
Users may also choose to route the option wiring through openings on the front cover of some models. Remove
the perforated tabs on the left side of the front cover as shown in Figure 9-A to create the necessary openings
on these models.
Refer to the Peripheral Devices & Options section of the drive instruction manual for more information.
Note: Separate communication cables from main circuit wiring and other electrical lines to avoid potential sources of electrical
interference.
Figure 9
Figure 9 Wire Routing Examples
6. Firmly connect the MECHATROLINK-III communication cable to option communication connector CN1 or CN2.
Install MECHATROLINK-III communications cables apart from main-circuit wiring and other electrical and power
lines. Ensure the cable end is firmly connected (see Figure 17). Refer to MECHATROLINK-III
Communications Cables on page 22 for details.
Note: Maximum transmission distance is 100 m (328 ft). Minimum wiring distance between stations is 0.2 m (7.9 in).
A – Route wires through the openings
provided on the left side of the front
cover.
<1>
<1> The drive will not meet Enclosed wall-mounted type (IP20/UL Type 1) requirements if wiring is exposed outside the
enclosure.
B – Use the open space provided inside the
drive to route option wiring.
B
A

5 Installation Procedure
18 YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual
7. Reattach the drive front covers (C, F) and the keypad (D).
NOTICE: Do not pinch cables between the front covers and the drive. Failure to comply could cause erroneous operation.
Figure 10
Figure 10 Replace the Front Covers and Keypad
8. Set drive parameters in Table 7 for correct option performance.
 Procedure B
This section shows the procedure to install and wire the option on a GA700, GA800, CR700, or CH700 drive.
Prepare the Drive for the Option
Before you install the option on a YASKAWA AC Drive GA700, GA800, CR700, or CH700, make sure that the option
software version is PRG: 6202 or later.
1. Correctly wire the drive as specified by the manual packaged with the drive.
2. Make sure that the drive functions correctly.
Refer to Figure 11 for an exploded view of the drive with the option and related components for reference in the
installation procedure.
Figure 11
Figure 11 Drive Components with Option
A – Insertion point for CN5 connector I – LED Status Ring board
B – SI-ET3 option J – Connector CN5-A
C – Included screws K – Connector CN5-B
(Not available for communication
option installation.)
D – Drive front cover
E–LEDlabel
F – Keypad L – Connector CN5-C
(Not available for communication
option installation.)
G – Option modular connector CN1
H – Option modular connector CN2
F
C
D
A1000
I
C
L
HG
K
J
B
A
D
E
F
A1000

5 Installation Procedure
YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual 19
Install the Option
Remove the front cover of the drive before you install the option. Refer to the drive manual for information about how to
remove the front cover. Different drive sizes have different cover removal procedures. You can only install this option
into the CN5-A connector on the drive control board.
DANGER! Electrical Shock Hazard. Do not inspect, connect, or disconnect any wiring while the drive is energized. Failure to comply
will cause death or serious injury. Before servicing, disconnect all power to the equipment and wait for at least the time specified on the
warning label. The internal capacitor remains charged even after the drive is de-energized. The charge indicator LED will extinguish
when the DC bus voltage is below 50 Vdc. When all indicators are OFF, measure for unsafe voltages to confirm the drive is safe.
1. Affix the LED label (E) in the appropriate position on the drive front cover (D).
Figure 12
Figure 12 Affix the LED Label
2. Shut off power to the drive, wait the appropriate amount of time for voltage to dissipate, then remove the front
cover (D).
Refer to the manual packaged with the drive for details on cover removal.
NOTICE: Damage to Equipment. Observe proper electrostatic discharge (ESD) procedures when handling the option, drive, and
circuit boards. Failure to comply could cause ESD damage to circuitry.
Figure 13
Figure 13 Remove the Front Cover and Keypad
D
E
A1000
Keypad connector
Keypad connector tab
Move the keypad connector to the holder on the
drive after removing the keypad and before removing
the front cover. Insert the keypad connector tab into
the holder when installing the keypad connector to
the holder. Holder
A1000

5 Installation Procedure
20 YASKAWA ELECTRIC SIEP C730600 88E YASKAWA AC Drive Option SI-ET3 Technical Manual
3. Carefully remove the LED Status Ring board (I) and place it on the right side of the drive using the temporary
placement holes.
Refer to the manual packaged with the drive for details on removing the LED Status Ring board.
NOTICE: Do not remove the LED Status Ring board cable connector. Failure to comply could cause erroneous operation and damage
the drive.
Figure 14
Figure 14 Remove the LED Status Ring Board
4. Insert the option card (B) into the CN5-A connector (J) on the drive and fasten it into place using the included
screws (C). Tighten both screws to 0.5 to 0.6 Nm (4.4 to 5.3 inlb).
Note: Only two screws are necessary to install the option on a GA700, GA800, CR700, or CH700 drive. A ground wire is not
necessary. The option package ships with three screws and a ground wire for installation on other product series. Do not use the
ground wire or the extra screw.
Figure 15
Figure 15 Insert the Option Card
5. Select the proper MECHATROLINK-III dedicated communication cable according to Table 6.
Firmly connect the MECHATROLINK-III communication cable to option communication connector CN1 or CN2.
Install MECHATROLINK-III communications cables apart from main-circuit wiring and other electrical and power
lines. Ensure the cable end is firmly connected (see Figure 17). Refer to MECHATROLINK-III
Communications Cables on page 22 for details.
Note: Maximum transmission distance is 100 m (328 ft). Minimum wiring distance between stations is 0.2 m (7.9 in).
I
Drive front view
Temporary placement holes
A1000
C
J
B
A1000