Sumitomo Drive Technologies SI-485/J-H User manual

RS-485
MEMOBUS/Modbus
Interface
Inverter SF-520 Option
Technical Manual
Type SI-485/J-H
NOTICE
1. Make sure that this installation manual is
delivered to the end user of inverter unit.
2. Read this manual before installing or
operating the inverter unit, and store it in
a safe place for reference.
No.DM2204E-1Manual
SF-520

2
Copyright © 2015 Sumitomo Heavy Industries, Ltd.
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 Sumitomo. No
patent liability is assumed with respect to the use of the
information contained herein. Moreover, because Sumitomo 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. Sumitomo 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.

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 WARRANTY . . . . . . . . . . . . . . . .27

4
1 Preface and Safety
1 Preface and Safety
◆Applicable Documentation
The following manuals are available for the RS-485 Interface
Option:
Option Unit
SF-520 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.
SF-520

1 Preface and Safety
5
◆Terms
Note: Indicates a supplement or precaution that
does not cause drive damage.
Inverter
SF-520 Series
Operating and
Maintenance
Manual
No. DM2201E
To obtain instruction
manuals for Sumitomo
products access these
sites:
http://
www.cyclo.shi.co.jp/
SF-520 Series
Technical Manual
No. DM2202E
Drive: SF-520 Series
Option: SF-520 RS-485 MEMOBUS/Modbus Interface
SF-520

1 Preface and Safety
6
◆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
7
CAUTION
Indicates a hazardous situation, which, if not avoided, could
result in minor or moderate injury.
NOTICE
Indicates an equipment damage message.

8
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-H)
• Technical manual
◆Tool Requirements
Use a flat-blade screwdriver with the dimensions below for
installation (See page 14) or removal (See page 15) of the option
cover and RS-485 Interface Option.
Blade width
3.0 mm max.
0.6 mm max.
Blade thickness

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

10
4 Option Components
4 Option Components
A – DIP Switch
S2
D – Drive
Connector
B–Terminal
Block
E – Connection
Tabs
C–Option
Model
Number
SF-520
A
BC
DE

4 Option Components
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
◆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
Front View

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
◆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
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
◆Connecting Peripheral Devices to the
RS-485 Interface Option
◆Wiring Diagram
■RS-485 Communications (2-wire)
Single Drive Wiring
PLC (Master)
Drive Drive Drive
SF-520
SI-485/J-H
S2
DIP Switch
ON
R+
R–
IG
S+
S–
R+
R–
IG
S+
S–
PLC

5 Installation Procedure
17
Multiple Drive Wiring
Note: • Set termination resistor switch S2, located
on the SI-485/J-H Option Interface to the
ON position for the end drive on the
network.
• Set parameter H5-07 = 01 for each drive on
the network that is using RS-485
communications.
SF-520
SI-485/J-H
S2
DIP Switch
ON
R+
R–
IG
S+
S–
SF-520
SI-485/J-H
S2
R+
R–
IG
S+
S–
SF-520
SI-485/J-H
S2
R+
R–
IG
S+
S–
R+
R–
IG
S+
S–
PLC
DIP Switch
OFF
DIP Switch
OFF

5 Installation Procedure
18
■RS-422 Communications (4-wire)
Single Drive Wiring
SF-520
SI-485/J-H
S2
DIP Switch
ON
PLC
R+
R–
IG
S+
S–
R+
R–
IG
S+
S–

5 Installation Procedure
19
Multiple Drive Wiring
Note: • Set termination resistor switch S2, located
on the SI-485/J-H Option Interface to the
ON position for the end drive on the
network.
• Set parameter H5-07 = 00 for each drive on
the network that is using RS-422
communications.
R+
R–
IG
S+
S–
PLC SF-520
SI-485/J-H
DIP Switch
OFF
S2
R+
R–
IG
S+
S–
SF-520
SI-485/J-H
S2
R+
R–
IG
S+
S–
SF-520
SI-485/J-H
S2
R+
R–
IG
S+
S–
DIP Switch
OFF
DIP Switch
ON

20
6 Related Drive Parameters
6 Related Drive Parameters
No. Name Description Default
b1-01
Frequency
Reference
Selection 1
Selects the frequency
reference input source.
00 :Operator - Digital preset
speed d1-01 to d1-17.
01 :Terminals - Analog
input terminal A1 or A2.
02 :MEMOBUS/Modbus
communications
03 :Option Potentiometer
01
b1-02 Run Command
Selection 1
Selects the run command
input source.
00 :Operator - RUN and
STOP keys on the
digital operator.
01 :Digital input terminals
02 : MEMOBUS
communications
01
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