YASKAWA SI-EM3 User manual

MANUAL NO. SIEP YEACOM 05A
Technical Manual
Modbus TCP/IP
Type SI-EM3
YASKAWA AC Drive 1000-Series Option
To properly use the product, read this manual thoroughly and retain
for easy reference, inspection, and maintenance. Ensure the end user
receives this manual.

YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual 3
Table of Contents
1 PREFACE AND SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 PRODUCT OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 RECEIVING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4 OPTION COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5 INSTALLATION PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6 OPTION RELATED DRIVE PARAMETERS . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7 MODBUS TCP/IP MESSAGING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
8 WEB INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
9 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
10 SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Copyright © 2009 YASKAWA ELECTRIC AMERICA
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.

4 YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual
1 Preface and Safety
1 Preface and Safety
Yaskawa manufactures products used as components in a wide variety of industrial systems and equipment. The selection
and application of Yaskawa products remain the responsibility of the equipment manufacturer 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 systems
or equipment designed to incorporate a product 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 Yaskawa 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-EM3 option:
Terms
Registered Trademarks
• Modbus TCP/IP is a trademark of Modbus-IDA.
• All trademarks are the property of their respective owners.
SI-EM3 Option
Yaskawa AC Drive 1000-Series Option
SI-EM3 Modbus TCP/IP Installation Manual
Manual No: TOEP YEACOM 05
Read this manual first.
The installation manual is packaged with the SI-EM3 option and
contains information required to install the option and set up related
drive parameters.
Yaskawa AC Drive 1000-Series Option
SI-EM3 Modbus TCP/IP Technical Manual
Manual No: SIEP YEACOM 05
The technical manual contains detailed information about the option.
In the U.S., access http://www.yaskawa.com to obtain the technical
manual. Customers in other areas should contact a Yaskawa
representative.
Yaskawa Drive
Yaskawa AC Drive
1000-Series Quick Start Guide The drive manuals cover basic installation, wiring, operation procedures, functions,
troubleshooting, and maintenance information.
The manuals also include important information about parameter settings and drive
tuning.
Access these sites to obtain Yaskawa instruction manuals:
U.S.: http://www.yaskawa.com
Europe: http://www.yaskawa.eu.com
Japan: http://www.e-mechatronics.com
Other areas: contact a Yaskawa representative.
Yaskawa AC Drive
1000-Series Technical Manual
Note: Indicates supplemental information that is not related to safety messages.
Drive: Yaskawa AC Drive 1000-Series
Option: Yaskawa AC Drive 1000-Series SI-EM3 Modbus TCP/IP option

1 Preface and Safety
YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual 5
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.
General Safety
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.
CAUTION
Indicates a hazardous situation, which, if not avoided, could result in minor or moderate injury.
NOTICE
Indicates an equipment damage message.
General Precautions
• The diagrams in this section may include options and drives without covers or safety shields to illustrate details. Reinstall covers or shields before
operating any devices. The option should be used according to the instructions described in this manual.
• Any illustrations, photographs, or examples used in this manual are provided as examples only and may not apply to all products to which this
manual is applicable.
• 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.
• When ordering new copies of the manual, contact a Yaskawa representative or the nearest Yaskawa sales office and provide the manual number
shown on the front cover.
DANGER
Heed the safety messages in this manual.
Failure to comply will result in death or serious injury.
The operator is responsible for injuries or equipment damage caused from failure to heed the warnings in the manual.
NOTICE
Do not expose the drive to halogen group disinfectants.
Failure to comply may cause damage to the electrical components in the option.
Do not pack the drive in wooden materials that have been fumigated or sterilized.
Do not sterilize the entire package after the product is packed.
Do not modify the drive or option circuitry.
Failure to comply could result in damage to the drive or option and will void warranty.
Yaskawa is not responsible for any modification of the product made by the user. This product must not be modified.

6 YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual
2 Product Overview
2 Product Overview
About This Product
The SI-EM3 option provides a communications connection between the drive and a Modbus TCP/IP network. The option
connects the drive to an Modbus TCP/IP network and facilitates the exchange of data.
This manual explains the handling, installation and specifications of this product.
Modbus TCP/IP is a communications link to connect industrial devices (e.g., smart motor controllers, operator interfaces,
and variable frequency drives) as well as control devices (e.g., programmable controllers and computers) to a network.
Modbus TCP/IP 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.
Modbus TCP/IP is an open device network standard.
By installing the option to a drive, it is possible to do the following from a Modbus TCP/IP master device:
• operate the drive
• monitor the operation status of the drive
• change parameter settings.
Applicable Models
The option can be used with the drive models in Table 1.
Table 1 Applicable Models
Drive Series Drive Model Number Software Version <1>
<1> See “PRG” on the drive nameplate for the software version number.
A1000
CIMR-A2A VSA90101
CIMR-A4A
CIMR-A5A VSA90504

3 Receiving
YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual 7
3 Receiving
Please perform the following tasks upon receipt of the option:
• Inspect the option for damage. Contact the shipper immediately if the option appears damaged upon receipt.
• Verify receipt of the correct model by checking the model number printed on the name plate of the option package.
• Contact your supplier if you have received the wrong model or the option does not function properly.
Option Package Components
Tools Required for Installation
• A Phillips screwdriver (M3 metric/#1, #2 U.S. standard size*) is required to install the option and remove drive front
covers.
• Diagonal cutting pliers. (required for some drive models)
• A small file or medium grit sandpaper. (required for some drive models)
*Screw sizes vary by drive capacity. Select a screwdriver appropriate for the drive capacity.
Note: Tools required to prepare option networking cables for wiring are not listed in this manual.
Description: Option Ground
Wire Screws (M3) LED Label Installation Manual
_
Quantity: 1131 1
NS MS
MANUAL

8 YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual
4 Option Components
4 Option Components
SI-EM3 Modbus TCP/IP Option
Figure 1
Figure 1 Option (Top View)
Terminal CN1
The communication connector on the option is a modular RJ45 female connector designated CN1.
CN1 is the connection point for a customer supplied male Modbus network communication cable.
Table 2 Male, 8-way Ethernet Modular Connector (Customer Supplied)
A – Modbus TCP/IP Modular Female Connector (CN1) E – Installation hole
B – Ground Terminal and installation hole <1>
<1> The ground wire provided in the option shipping package must be connected during installation
F – Connector (CN5)
C – LED (10/100) <2> G–LED(NS)<2>
<2> Refer to Option LED Display on page 9 for details on the LEDs
D – LED (LINK/ACT) <2> H–LED(MS)<2>
Male Ethernet 8-Way Modular Connector Pin Description
1 (Pair 2) Transmit data (TXD) +
2 (Pair 2) Transmit data (TXD) -
3 (Pair 3) Receive data (RXD) +
4 (Pair 1) Not used <1>
<1> Not used for 10 Mbps and 100 Mbps networks.
5 (Pair 1) Not used <1>
6 (Pair 3) Receive data (RXD) -
7 (Pair 4) Not used <1>
8 (Pair 4) Not used <1>
B
Underside
F
A
E
D
C
GH

4 Option Components
YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual 9
Option LED Display
The option has four LEDs:
Bi-color Status LEDs:
• Module status (MS) red/green
• Network status (NS) red/green
Green Ethernet LEDs:
• Network speed-10/100 (MS) green
• Link status and network activity-Link/Act (NS) red/green
The operational states of the option LEDs after the power-up diagnostic LED sequence is completed are described in
Tabl e 3. Wait at least 2 seconds for the power-up diagnostic process to complete before verifying the states of the LEDs.
Table 3 Option LED States
Table 4 Option LEDs
Name Indication Operating Status Remarks
Color Status
MS
(visible through
drive cover)
– OFF Power supply OFF Power is not being supplied to the drive
Green ON Option operating . The option is operating normally
Green Flashing Option initializing The option is configuring an IP address
Red ON Fatal error occurred The option has detected a fatal (unrecoverable) error
Red Flashing Non-fatal error occurred The option has detected a non-fatal (recoverable) error
Example: Loss of link fault
NS
(visible through
drive cover)
– OFF Offline or Power supply OFF –
Green ON Online communications established The option is online and has established connections
Green Flashing Control connection active The option is online and has an established and active
control connection
Red ON Communications error (fatal) The option detected a duplicate IP address or a control
connection has timed-out
Name Indication Operating Status
Color Status
10/100
(visible with front
cover removed)
Green OFF 10 Mbps is established
Green ON 100 Mbps is established
LINK/ACT
(visible with front
cover removed)
Green OFF Link is not established
Green ON Link is established
Green Flashing Link is established and there is network activity

10 YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual
5 Installation Procedure
5 Installation Procedure
Section Safety
DANGER
Electrical Shock Hazard
Do not connect or disconnect wiring while the power is on.
Failure to comply will result in death or serious injury.
Disconnect all power to the drive, wait at least five minutes after all indicators are off, measure the DC bus voltage to
confirm safe level, and check for unsafe voltages before servicing to prevent electric shock. The internal capacitor
remains charged even after the power supply is turned off. The charge indicator LED will extinguish when the DC bus
voltage is below 50 Vdc.
WARNING
Electrical Shock Hazard
Do not remove the front cover of the drive while the power is on.
Failure to comply could result in death or serious injury.
The diagrams in this section may include options and drives without covers or safety shields to show 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.
Do not allow unqualified personnel to use equipment.
Failure to comply could result in death or serious injury.
Maintenance, inspection, and replacement of parts must be performed only by authorized personnel familiar with
installation, adjustment, and maintenance of this product.
Do not touch circuit boards while the power to the drive is on.
Failure to comply could result in death or serious injury.
Do not use damaged wires, place excessive stress on wiring, or damage the wire insulation.
Failure to comply could result in death or serious injury.
Fire Hazard
Tighten all terminal screws to the specified tightening torque.
Loose electrical connections could result in death or serious injury by fire due to overheating of electrical connections.
NOTICE
Damage to Equipment
Observe proper electrostatic discharge (ESD) procedures when handling the option, drive, and circuit boards.
Failure to comply may result in ESD damage to circuitry.
Never shut the power off while the drive is outputting voltage.
Failure to comply may cause the application to operate incorrectly or damage the drive.

5 Installation Procedure
YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual 11
Do not operate damaged equipment.
Failure to comply may cause further damage to the equipment.
Do not connect or operate any equipment with visible damage or missing parts.
Do not use unshielded cable 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.
Properly connect all pins and connectors.
Failure to comply may prevent proper operation and possibly damage equipment.
Check wiring to ensure that all connections are correct after installing the option and connecting any other
devices.
Failure to comply may result in damage to the option.
NOTICE

5 Installation Procedure
12 YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual
Prior to Installing the Option
Prior to installing the option, wire the drive, make necessary connections to the drive terminals, and verify that the drive
functions normally without the option installed. Refer to the Quick Start Guide packaged with the drive for information
on wiring and connecting the drive.
Figure 2 shows an exploded view of the drive with the option and related components for reference.
Figure 2
Figure 2 Drive Components with Option
A – Connector CN5-C H – LED label
B – Connector CN5-B I – Drive terminal cover
C – Connector CN5-A J – Removable tabs for wire routing
D – Insertion point for CN5 connector K – Included screws
E – SI-EM3 option L – Ground wire
F – Drive front cover M – Option modular connector CN1
G – Digital operator N – Drive grounding terminal (FE)
I
K
A
B
C
N
L
EF
G
H
D
J
NS MS
M

5 Installation Procedure
YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual 13
Installing the Option
Remove the front covers of the drive before installing the option. Refer to the drive Quick Start Guide for directions on
removing the front covers. Cover removal varies depending on drive size. This option can be inserted only into the
CN5-A connector located on the drive control board.
1. Shut off power to the drive, wait the appropriate amount of time for voltage to dissipate, then remove the digital
operator (G) and front covers (F, I). Front cover removal varies by model.
DANGER! Electrical Shock Hazard. Do not connect or disconnect wiring while the power is on. Failure to comply will result in death or
serious injury. Before installing the option, disconnect all power to the drive. The internal capacitor remains charged even after the
power supply is turned off. The charge indicator LED will extinguish when the DC bus voltage is below 50 Vdc. To prevent electric
shock, wait at least five minutes after all indicators are off and measure the DC bus voltage level to confirm safe level.
NOTICE: Damage to Equipment. Observe proper electrostatic discharge procedures (ESD) when handling the option, drive, and circuit
boards. Failure to comply may result in ESD damage to circuitry.
Figure 3
Figure 3 Remove the Front Covers and Digital Operator
2. With the front covers and digital operator removed, apply the LED label (H) in the appropriate position on the
drive top front cover (F).
Figure 4
Figure 4 Apply the LED Label
F
G
I
NS MS
F
H

5 Installation Procedure
14 YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual
3. Insert the option (E) into the CN5-A connector (C) located on the drive and fasten it using one of the included
screws (K).
Figure 5
Figure 5 Insert the Option
4. Connect the ground wire (L) to the ground terminal (N) using one of the remaining provided screws (K). Connect
the other end of the ground wire (L) to the remaining ground terminal and installation hole on the option (E) using
the last remaining provided screw (K) and tighten both screws to 0.5 ~ 0.6 nm or (4.4 ~ 5.3 in lbs).
Figure 6
Figure 6 Connect the Ground Wire
Note: There are two screw holes on the drive for use as ground terminals. When connecting three options, two ground wires will need to
share the same drive ground terminal.
NS MS
C
D
K
E
NS MS
K
L
N
E

5 Installation Procedure
YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual 15
Wiring the Option
5. Route the option wiring.
Depending on the drive model, some drives may require routing the wiring through the side of the front cover to
the outside to provide adequate space for the wiring. In these cases, using diagonal cutting pliers, cut out the
perforated openings on the left side of the drive front cover. Sharp edges along the cut out should be smoothed
down with a file or sand paper to prevent any damage to the wires.
5.a Route the Ethernet cable inside the enclosure for drives that do not require routing through the front cover.
Refer to Table 5 and Figure 7 to determine the proper wire routing by drive model.
Table 5 Model-Specific Cable Routing
Figure 7
Figure 7 Wire Routing Examples
6. Connect the Ethernet communication cable to the option modular connector (CN1).
To connect the option to a network, insert the RJ45 connector of the Cat 5e patch cable into the option modular
connector (CN1). Ensure the cable end is firmly connected (see Figure 7).
Communication Cable Specifications
Only use cable recommended for Modbus TCP/IP™. Using a cable not specifically recommended may cause the option
or drive to malfunction.
Drive Series Model Wire Routing <1>
<1> Refer to Figure 7 for examples of the different wire routing techniques.
Through Front Cover Inside Drive
A1000 CIMR-A2A0004 to 0040; CIMR-A4A0002 to 0023;
CIMR-A5A0003 to 0011 Figure 7 (A) -
A1000 CIMR-A2A0056 and above; CIMR-A4A0031 and above;
CIMR-A5A0023 and above. -Figure 7 (B)
A – Route wires through the openings provided
on the left side of the front cover. <1>
<1> The drive will not meet NEMA 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
16 YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual
Connection Diagram
Figure 8 Wiring Diagram
7. Replace and secure the front covers of the drive (F, I) and replace the digital operator (G).
Figure 8
Figure 9 Replace the Front Covers and Digital Operator
Note: Take proper precautions when wiring the option so that the front covers will easily fit back onto the drive. Make sure no cables are
pinched between the front covers and the drive when replacing the covers.
8. Set drive parameters in Table 6 for proper option performance.
<1> The ground wire provided in the option shipping package must be connected during installation.
Drive
M
U
V
W
R
S
T
CN5
FE
<1>
ModbusTCP/IP Master Modbus TCP/IP Cable
MotorPower
SI-EM3
Modbus
TCP/IP
Option
CN1
MS
MS
I
F
G

6 Option Related Drive Parameters
YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual 17
6 Option Related Drive Parameters
The following parameters are used to set up the drive for operation with the option. Parameter setting instructions can be
found in the drive Quick Start Guide or Technical Manual.
Confirm proper setting of the all parameters in Table 6 before starting network communications.
Table 6 Related Parameter Settings
No.
(Addr.
Hex)
Name Description Values
b1-01
(180)
<1>
Frequency Reference Selection
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
4: Pulse Input (Terminal RP)
Default: 1
Range: 0 to 4
(Set to 3 for)
b1-02
(181)
<1>
Run Command Selection
Selects the run command input source.
0: Digital Operator - RUN and STOP keys
1: Digital input terminals S1 to S
2: MEMOBUS/Modbus communications
3: Option
Default: 1
Range: 0 to 3
(Set to 3)
F6-01
(3A2)
Operation Selection after
Communications Error
Determines drive response when a bUS error is detected during
communications with the option.
0: Ramp to Stop
1: Coast to Stop
2: Fast-Stop
3: Alarm Only <2>
Default: 1
Range: 0 to 3
F6-02
(3A3)
External Fault Detection
Conditions (EF0)
Sets the condition for external fault detection (EF0).
0: Always detected
1: Detected only during operation
Default: 0
Range: 0, 1
F6-03
(3A4)
Stopping Method for External
Fault from the Communication
Option
Determines drive response for external fault input (EF0) detection during
option communications.
0: Ramp to Stop
1: Coast to Stop
2: Fast-Stop
3: Alarm Only <2>
Default: 1
Range: 0 to 3
F6-06
(3A7)
<3>
Torque Reference/Torque Limit
Selection from the Communication
Option
0: Torque Reference/Torque Limit via network communications are
disabled
1: Torque Reference/Torque Limit via network communications are
enabled <4>
Default: 0
Range: 0, 1
F6-07
(3A8)
NetRef/ComRef Selection
Function
0: Multi-step speed reference disabled, (F7 functionality)
1: Multi-step speed reference allowed, (V7 functionality)
Default: 0
Range: 0, 1
F6-08
(36A)
Reset Communication Related
Parameters
Determines if communication-related parameters F6- and F7- are
set back to original default values when the drive is initialized using
parameter A1-03.
0: Do not reset parameters
1: Reset parameters
Default: 0
Range: 0, 1
F7-01
(3E5)
<6>
IP Address 1 Sets static IP address of network connection.
Parameter F7-01 sets the most significant octet.
Default: 192
Range: 0 to 255
F7-02
(3E6)
<6>
IP Address 2 Sets static IP address of network connection.
Parameter F7-02 sets the second most significant octet.
Default: 168
Range: 0 to 255
F7-03
(3E7
<6>
IP Address 3 Sets static IP address of network connection.
Parameter F7-03 sets the third most significant octet.
Default: 1
Range: 0 to 255

6 Option Related Drive Parameters
18 YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual
Table 7 Option Monitors
F7-04
(3E8)
<6>
IP Address 4 Sets static IP address of network connection.
Parameter F7-04 sets the fourth most significant octet.
Default: 20
Range: 0 to 255
F7-05
(3E9) Subnet Mask 1 Sets static Subnet Mask of network connection. Parameter F7-05 sets the most significant octet.
Default: 255
Range: 0 to 255
F7-06
(3EA) Subnet Mask 2 Sets static Subnet Mask of network connection. Parameter F7-06 sets the second most significant octet.
Default: 255
Range: 0 to 255
F7-07
(3EB) Subnet Mask 3 Sets static Subnet Mask of network connection. Parameter F7-07 sets the third most significant octet.
Default: 255
Range: 0 to 255
F7-08
(3EC) Subnet Mask 4 Sets static Subnet Mask of network connection. Parameter F7-08 sets the fourth most significant octet.
Default: 0
Range: 0 to 255
F7-09
(3ED) Gateway Address 1 Sets static Gateway address of network connection. Parameter F7-09 sets the most significant octet.
Default: 192
Range: 0 to 255
F7-10
(3EE) Gateway Address 2 Sets static Gateway address of network connection. Parameter F7-10 sets the second most significant octet.
Default: 168
Range: 0 to 255
F7-11
(3EF) Gateway Address 3 Sets static Gateway address of network connection. Parameter F7-11 sets the third most significant octet.
Default: 1
Range: 0 to 255
F7-12
(3E0) Gateway Address 4 Sets static Gateway address of network connection. Parameter F7-12 sets the fourth most significant octet.
Default: 1
Range: 0 to 255
F7-13
(3F1) Address Mode at Startup
Selects how the option address is set.
0: Static <5>
1: BOOTP
2: DHCP
Default: 2
Range: 0 to 2
F7-14
(3F2) Duplex Mode Selection
Selects duplex mode setting.
0: Half duplex forced
1: Auto-negotiate duplex mode and communication speed
2: Full duplex forced
Default: 0
Range: 0 to 2
F7-15
(3F3) Communication Speed Selection
Sets the communication speed.
10: 10 Mbps
100: 100 Mbps
Default: 10
Range: 10, 100
F7-16
(3F4) Communication Loss Time-out
Sets the time-out value for communication loss detection in tenths of a
second. A value of 0 disables the connection time-out.
Example: An entered value of 100 represents 10.0 seconds.
Default: 0
Min.: 0
Max.: 300
H5-11
(43C)
Communications ENTER Function
Selection
Select the function for the ENTER command that saves parameter data to
the drive.
0: Parameter changes activated when ENTER command is written
1: Parameter changes activated immediately without ENTER command
Default: 1
Range: 0, 1
<1> To start and stop the drive with the option master device using serial communications, set b1-02 to 3. To control the drive frequency reference
via the master device, set b1-01 to 3.
<2> If F6-01 is set to 3, the drive will continue to operate when a fault is detected. Take safety measures, such as installing an emergency stop switch.
<3> Enabled in CLV, AOLV/PM, and CLV/PM control modes (A1-02 = 3, 6, or 7). When enabled, d5-01 determines whether the value is read as the
Torque Limit value (d5-01 = 0) or read as the Torque Reference value (d5-01 = 1). In CLV/PM, this value is read as the Torque Limit.
<4> Default setting specifies that the Torque Reference or Torque Limit is to be provided via network communications (F6-06 = 1). The motor may
rotate if no torque reference or Torque Limit is supplied from the PLC.
<5> If F7-13 is set to 0, then all IP Addresses (F7-01 to F7-04) must be unique.
<6> Cycle power for setting changes to take effect.
No. Name Description Value Range
U6-80 to U6-83 Online IP Address IP Address; U6-80 is the most significant octet 0 to 255
U6-84 to U6-87 Online Subnet Subnet; U6-84 is the most significant octet 0 to 255
U6-88 to U6-91 Online Gateway Gateway; U6-88 is the most significant octet 0 to 255
U6-92 Online Speed Link Speed 10, 100
U6-93 Online Duplex Duplex Setting 0: Half, 1: Full
U6-98 First Fault First Option Fault -
U6-99 Current Fault Current Option Fault -
No.
(Addr.
Hex)
Name Description Values

7 Modbus TCP/IP Messaging
YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual 19
7 Modbus TCP/IP Messaging
Modbus TCP/IP Overview
The Modbus TCP/IP protocol is essentially the Modbus protocol over an Modbus TCP/IP network. A master controller
(typically a PLC) sends commands to slave devices, which then perform the specified functions and send a response to
the master. The drive using the option has slave functionality.
Supported Modbus TCP/IP Commands
Table 8 Supported Modbus TCP/IP Commands
Drive Modbus TCP/IP Option Registers
All of the command registers, monitor registers, and parameters documented in the drive Technical Manual are accessible
via the option.
High Speed Access Drive Modbus TCP/IP Option Registers
Many of the registers required for control have been specially mapped to provide higher speed access to increase network
performance. Use these registers for the best response times.
All of the drive command registers have been mapped to this high speed access area (Modbus TCP/IP registers 01H to
01FH). In addition, the monitors shown in Table 9 are mapped for high speed access.
Function Code Function Name
03H Read Multiple Registers
06H Write Single Register
10H Write Multiple Registers
17H Read/Write Multiple Registers

7 Modbus TCP/IP Messaging
20 YASKAWA ELECTRIC SIEP YEACOM 05A 1000-Series Option SI-EM3 Modbus TCP/IP Technical Manual
Table 9 Drive Registers
Address
(hex)
Drive
Register
(hex)
Description Bit Description
2000 4B Status Word
(U1-12)
0 During Run
1 During Zero Speed
2 During Reverse Direction
3 During Fault Reset Signal Input
4 During Speed Agree
5 Drive Ready
6Alarm
7Fault
8 During Operation Error (OPE)
9 During Momentary Power Loss
A Motor 2 Selected
B Reserved
C Reserved
D Reserved
E ComRef Status, NetRef Status
F ComCtrl Status, NetCtrl Status
2001 44 Motor Speed Monitor (U1-05)
2002 48 Torque Reference Monitor (U1-09)
2003 F0 PG Count Channel 1
2004 40 Frequency Reference Monitor (U1-01)
2005 41 Output Frequency Monitor (U1-02)
2006 26 Output Current
(0.01 A units for drives set to 11 kW in Heavy or Normal Duty and 0.1 A units for drives set to 15 kW and above.)
2007 4F Terminal A2 Input Level Monitor (U1-14)
2008 46 DC Bus Voltage Monitor (U1-07)
2009 C0 Error Signal 1
0 Reserved
1 Undervoltage (Uv1)
2 Control Power Supply Undervoltage (Uv2)
3 Soft Charge Circuit Fault (Uv3)
4 Reserved
5 Ground Fault (GF)
6 Overcurrent (oC)
7 Overvoltage (ov)
8 Heatsink Overheat (oH)
9 Heatsink Overheat (oH1)
A Motor Overload (oL1)
B Drive Overload (oL2)
C Overtorque Detection 1 (oL3)
D Overtorque Detection 2 (oL4)
E Dynamic Braking Transistor Fault (rr)
F Braking Resister Overheat (rH)