YASKAWA J1000 CIMR-JC series User manual

J1000
MANUAL NO. TOBP C730600 33A
Type SI-485/J
To properly use the product, read this manual thoroughly and retain
for easy reference, inspection, and maintenance. Ensure the end user
receives this manual.
Technical Manual
RS-485
MEMOBUS/Modbus
Interface
YASKAWA AC Drive-J1000 Option

2YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual
Copyright © 2008 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.

TOBPC73060033A RS-485 Interface Technical Manual 3
Contents
1 PREFACE AND SAFETY . . . . . . .4
2 RECEIVING . . . . . . . . . . . . . . . . . .8
3 PRODUCT OVERVIEW . . . . . . . . .9
4 OPTION COMPONENTS. . . . . . .10
5 INSTALLATION PROCEDURE . .13
6 RELATED DRIVE PARAMETERS . . .20
7 TROUBLESHOOTING. . . . . . . . .23
8 SPECIFICATIONS . . . . . . . . . . . .25
9 YASKAWA LOCATIONS. . . . . . .27
10 REVISION HISTORY . . . . . . . . .28

4YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual
1 Preface and Safety
1 Preface and Safety
◆Applicable Documentation
The following manuals are available for the RS-485 Interface
Option:
Option Unit
Yaskawa AC Drive - RS-485 MEMOBUS /
Modbus Interface Option Technical Manual
Read this manual first.
The Technical Manual is packaged with the
RS-485 Interface Option and contains a basic
overview of wiring, settings, functions, and
fault diagnoses.
J1000

1 Preface and Safety
YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual 5
◆Terms
Note: Indicates a supplement or precaution that
does not cause drive damage.
Yaskawa Drive
U.S. and Europe:
Yaskawa AC Drive
J1000 Quick Start
Guide
Other Areas:
Yaskawa AC Drive
J1000 Installation &
Start-Up Manual
To obtain instruction
manuals for Yaskawa
products access these
sites:
U.S.: http://
www.yaskawa.com
Europe: http://
www.yaskawa.eu.com
Japan: http://www.e-
mechatronics.com
Other areas: contact a
Yaskawa representative.
For questions, contact the
local Yaskawa sales
office or the nearest
Yaskawa representative.
Yaskawa AC Drive-
J1000
Technical Manual
Drive: Yaskawa AC Drive - J1000 Series
Option: Yaskawa AC Drive - J1000 RS-485 MEMOBUS/
Modbus Interface

1 Preface and Safety
6YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual
◆Registered Trademarks
• Company names and product names listed in this manual are
registered trademarks of those companies.
◆Supplemental Safety Information
Read and understand this manual before installing, operating, or
servicing this option unit. The option unit 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
result in death or serious injury.
WARNING
Indicates a hazardous situation, which, if not avoided, could
result in death or serious injury.

1 Preface and Safety
YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual 7
CAUTION
Indicates a hazardous situation, which, if not avoided, could
result in minor or moderate injury.
NOTICE
Indicates an equipment damage message.

8YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual
2 Receiving
2 Receiving
◆Receiving
Confirm the packaging after receiving the RS-485 Interface
Option. If the wrong model is received or the RS-485 Interface
Option does not function properly, contact your supplier.
Components packaged with the option:
• The RS-485 MEMOBUS/Modbus Interface (SI-485/J)
• Technical manual
◆Tool Requirements
Use a flat-blade screwdriver with the dimensions below for
installation (See page 11) or removal (See page 12) of the option
cover and RS-485 Interface Option.
Blade width
3.0 mm max.
0.6 mm max.
Blade thickness

YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual 9
3 Product Overview
3 Product Overview
◆About this product
The RS-485 MEMOBUS/Modbus Interface is used to connect the
drive to a network using the MEMOBUS protocol.
By installing this option unit, the user can operate the drive with a
PLC or some other type of control device.
• Drive operation
• Monitor drive operational status
• Change drive parameter settings
◆Applicable Models
The RS-485 Interface Option is used with these Yaskawa drive
models.
Drive Drive Software Version <1>
<1> See “PRG” on the drive nameplate for software version
number.
CIMR-JABA≥1010

10 YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual
4 Option Components
4 Option Components
A – DIP Switch
S2
D – Drive
Connector
B–Terminal
Block
E – Connection
Tabs
C–Option
Model
Number
F–Unused
A
BC
DE

4 Option Components
YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual 11
◆Dimensions
The installed Option Interface adds 23.8 mm (0.94 in) to the total
depth of the drive.
8.8(0.35) 15(0.59)
mm(in)

4 Option Components
12 YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual
◆Terminal Block
Terminal Name Description
1 R+ Receive (+)
2 R- Receive (-)
3 IG Shield Ground
4 S+ Send (+)
5S-Send(-)
S– S+ IG R– R+
Top View
Bottom View

YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual 13
5 Installation Procedure
5 Installation Procedure
◆Section Safety
DANGER
Electrical Shock Hazard
Disconnect all power to the drive, before servicing.
Failure to comply will result in death or serious injury.
Wait at least one minute after all indicators are off. The drive
has internal capacitors that remain charged even after main
power supply is disconnected. The drive charge LED will
extinguish when the DC bus voltage is below 50 Vdc. Measure
drive DC bus voltage to confirm safe level.
NOTICE
Damage to Equipment
Properly connect the connectors.
Failure to comply may prevent proper operation and possibly
damage equipment.

5 Installation Procedure
14 YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual
◆Attaching the Interface Option
1. Insert a flat-blade screwdriver into the
opening as shown in the diagram below to
remove the option cover from the drive.
2. Insert the connector on the back of the
interface into the CN5 port and click into
place.
Note: The RS-485 Interface Option has three
additional connection tabs that must also
click into place to properly mount the
option.
Connection
tabs
CN5 port
Flat-blade
screwdriver

5 Installation Procedure
YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual 15
◆Removing the Interface Option
1. Insert a flat-blade screwdriver into the
small opening between the drive and the
Interface Option, and gently apply
pressure to the connection tabs as shown.
Underside of
Interface Option
Flat-blade
screwdriver

5 Installation Procedure
16 YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual
◆Connecting Peripheral Devices to the
RS-485 Interface Option
◆Wiring Diagram
■RS-485 Communications (2-wire)
Single Drive Wiring
PLC (Master)
Drive Drive Drive
Drive
SI-485/J
S2
DIP Switch
ON
R+
R–
IG
S+
S–
R+
R–
IG
S+
S–
PLC

5 Installation Procedure
YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual 17
Multiple Drive Wiring
Note: Set termination resistor switch S2, located
on the SI-485/J Option Interface to the ON
position for the end drive on the network.
Note: Set parameter H5-07 = 1 for each drive on
the network that is using RS-485
communications.
Drive
SI-485/J
S2
DIP Switch
ON
R+
R–
IG
S+
S–
Drive
SI-485/J
S2
R+
R–
IG
S+
S–
Drive
SI-485/J
S2
R+
R–
IG
S+
S–
R+
R–
IG
S+
S–
PLC
DIP Switch
OFF
DIP Switch
OFF

5 Installation Procedure
18 YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual
■RS-422 Communications (4-wire)
Single Drive Wiring
Drive
SI-485/J
S2
DIP Switch
ON
PLC
R+
R–
IG
S+
S–
R+
R–
IG
S+
S–

5 Installation Procedure
YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual 19
Multiple Drive Wiring
Note: Set termination resistor switch S2, located
on the SI-485/J Option Interface to the ON
position for the end drive on the network.
Note: Set parameter H5-07 = 0 for each drive on
the network that is using RS-422
communications.
R+
R–
IG
S+
S–
PLC Drive
SI-485/J
DIP Switch
OFF
S2
R+
R–
IG
S+
S–
Drive
SI-485/J
S2
R+
R–
IG
S+
S–
Drive
SI-485/J
S2
R+
R–
IG
S+
S–
DIP Switch
OFF
DIP Switch
ON

20 YASKAWA ELECTRIC TOBPC73060033A RS-485 Interface Technical Manual
6 Related Drive Parameters
6 Related Drive Parameters
No. Name Description Default
b1-01
Frequency
Reference
Selection 1
Selects the frequency
reference input source.
0:Operator - Digital preset
speed d1-01 to d1-17.
1:Terminals - Analog input
terminal A1 or A2.
2:MEMOBUS/Modbus
communications
3:Option PCB
1
b1-02 Run Command
Selection 1
Selects the run command
input source.
0:Operator - RUN and
STOP keys on the digital
operator.
1:Digital input terminals
2:MEMOBUS
communications
1
H5-01 Drive Slave
Address
Selects drive slave number
(address) for MEMOBUS/
Modbus terminals R+, R-,
S+, S-. Cycle power for the
setting to take effect.
1F