Toshiba MD911 User manual

6F8C1399
Instruction Manual
MODBUS (MD911) Module
Unied Controller
nv Series

Notes
(1) The technical information provided herein describes typical operations and applications of the product and does not
guarantee the intellectual property rights or other rights of Toshiba or third parties nor allows license of its use.
(2) No part or the whole of this document may be reproduced without prior consent.
(3) The information herein may be changed in the future without notice.
(4) All possible measures have been taken to prepare the information herein. If you have any question, comment, or nd any
error, please contact us.
PROSEC, TOSLINE, TOSDIC, CIEMAC are trademarks or registered trademarks of Toshiba Corporation.
Microsoft, Windows are registered trademarks of Microsoft Corporation in the U.S. and other countries.
PROFIBUS is a registered trademark of PROFIBUS User Organization.
Anybus and NetTool are trademarks or registered trademarks of HMS Industrial Networks.

Unified Controller nv series MODBUS (MD911) Module Instruction Manual i
Safety Precautions
On the product and this operation manual, important information for safe and correct use to
prevent danger to the user and other people as well as property damage is described.
Understand the following information (signs and symbols) before reading the text, and follow the
described items.
Description of signs
Sign Description
DANGER Indicates that failure to avoid it will result in an immediate risk of death or
serious injury(*1).
WARNING Indicates that failure to avoid it will result in a risk of death or serious injury(*1).
CAUTION Indicates that failure to avoid it will result in a risk of light or medium injury(*2) or
only property damage(*3).
*1: A serious injury indicates loss of sight, injury, burns (high/low temperature), electric shock, broken
bones, or intoxication that will have aftereffects and require hospitalization or long-term hospital visits
for healing.
*2: An injury indicates an injury, burn, or electric shock that does not need hospitalization or long-term
hospital visits for healing.
*3: A property damage indicates consequential damage in terms of breakage of properties or materials.
Description of symbols
Symbol Meaning
Prohibition
Indicates “Prohibition” or “You must not do”.
Specific details are indicated near the symbol with pictures and text.
Mandatory
Indicates “Mandatory Action” or “Do as indicated”.
Specific details are indicated near the symbol with pictures and text.
Warning
Indicates Warning.
Specific details are indicated near the symbol with pictures and text.
(Note) Descriptions of Prohibition, Mandatory Action, and Warning vary depending on the display on the
main unit.

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1. Safety Precautions on Installation
WARNING
Ground
Ground the device.
Otherwise, it may cause an electric
shock or fire.
CAUTION
Prohibited
Do not install, store, or use it in
the following environments.
・A place with a lot of dust
・A place with corrosive gases (SO2,
H2S) or flammable gases
・A place with vibrations and shocks
exceeding the allowed values
・A place with condensations due to
rapid temperature changes
・A place with low or high temperature
outside of the installation condition
・A place with high humidity outside of
the installation condition
・A place with direct sunlight
・A place near equipment generating
strong radio waves or magnetic fields
It may cause accidents.
Mandatory
Install the device in a place
where maintenance and
inspection can be done easily.
It may cause accidents.
Prohibited
Do not block the ventilation
hole or air inlet/outlet.
It may cause fire or failure due to
overheat.
Mandatory
For installation and wiring of
the system, observe the
installation
Otherwise, it may cause a fall, fire,
failure, or malfunction.

Unified Controller nv series MODBUS (MD911) Module Instruction Manual iii
2. Safety Precautions on Maintenance and Inspection
WARNING
Mandatory
When installing or removing
the module after wiring, make
sure that the external power
supply is off.
Otherwise, there will be live electric
poles on the back of the external
terminal block of the module, causing
an electric shock.
CAUTION
Prohibited
Do not drop, crush, or apply
strong shocks to the device
or board.
Otherwise it will cause failure.
Mandatory
Before touching the device or
board, touch a grounded
metal to discharge the static
electricity of your body.
Otherwise, it may cause malfunction or
failure due to static electricity.
Mandatory
Wipe off stain on the device,
module, or board with a soft
cloth.
For severe stain, use a wet
cloth wrung tightly.
Leaving them stained may cause wrong
decision or malfunction.
Mandatory
Place a board or module
removed from the unit or
base unit on a conductive mat
or conductive bag (used for a
backup board) on a grounded
table.
Otherwise, parts may be damaged due
to static electricity.
Prohibited
Do not use benzene or
thinner to remove stain on
device, module, or board.
It may cause deformation or
discoloration of the device panel,
module, or board.

6F8C1399
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3.
Safety Precautions on Replacement of Life Limited Parts
WARNING
Mandatory
If the device has power fuses
or alarm fuses, when
replacing them, turn off the
switch of the device.
Otherwise, it may cause an electric
shock or fire.
4. Safety Precautions on Daily Use
WARNING
No touch
Do not touch the terminals of
the module and unit during
energization.
It may cause an electric shock.
Prohibited
Do not modify, repair,
disassemble, or adjust the
device, module, or board.
It may cause an electric shock, fire,
injury, or failure.
Upon faulty operation or failure, contact
Toshiba's branch office or service
offices.
Mandatory
Before using, check that the
power capacity, frequency,
voltage, and regulation
comply with the device
specifications.
If not, it may cause damage of the
device, or fire due to overheat, as well
as not obtaining the original
performance of the device.
Mandatory
When the ambient or internal
temperature of the device
rises abnormally or failure
occurs in the device, stop
using the device, turn off the
power, and contact one of
Toshiba's service
representatives.
Using it as it is may cause fire due to
overheat.
No touch
Do not touch the terminals of
the module and unit during
energization.
It may cause an electric shock.
The power supply module is for the nv
series only. Do not use it alone for any
other purposes.

Unified Controller nv series MODBUS (MD911) Module Instruction Manual v
CAUTION
Prohibited
Do not touch anything other
than the operation part
(setting switches inside the
module), such as the IC parts
and terminals, connectors,
and soldered surfaces inside
the module.
Doing so may result in electrostatic
breakdown of the ICs and LSIs,
causing failure. Also, an injury may
occur due to the ends of the part lead
wires, or burns may occur due to hot
parts.
Prohibited
Do not disassemble or modify
the device or module.
It may cause malfunction or failure as
well as loss of safety of the device.
Prohibited
Do not forcefully bend, pull,
or twist the power cord and
cables.
It may cause breaks or heating.
Prohibited
Do not insert any metal into
the gaps of the device main
body.
It may cause fire.
5. Safety Precautions on Transportation, Storage, and Disposal
CAUTION
Mandatory
Observe ordinances and
rules.
When destroying the product, observe
the ordinances and rules of the local
government.
Prohibited
For transportation and
storage of the product, use a
conductive bag and
packaging box.
Otherwise it will cause failure.

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vi
Restrictions on Application
■This product is not developed/manufactured for use in systems involving devices that directly affect
human life (Note 1).
■To use this product for systems that involve devices that significantly affect human safety or
maintenance of public functions (Note 2), special considerations (Note 3) are required in system
operation, maintenance, and management. In this case, contact one of Toshiba's sales
representatives.
(Note 1) Devices that directly affect human life include the following.
· Medical devices such as life supporting devices and devices for surgical units.
(Note 2) Systems that involve devices that significantly affect human safety or maintenance of public
functions include the following.
· Main unit control systems of nuclear power plants, safety protection systems of nuclear
facilities, and other systems that are critical for safety
· Operation control systems of mass transportation systems and air traffic control systems
(Note 3) Special considerations indicate sufficient discussions with Toshiba's engineers to construct a
safe system (e.g. employing fool-proof design, fail-safe design, or redundant design).
Disclaimer
■Toshiba shall not be responsible for any damage caused by fire or earthquake, acts of a third party,
other accidents, the user's willful acts or negligence, misuse, or use in abnormal conditions.
■Toshiba shall not be responsible for any incidental damage (loss of business profits, interruption of
business, change or loss of stored memory) caused by use of or being unable to use this product.
■Toshiba shall not be responsible for any damage caused by failure to observe the information described
in the operation manual.
■Toshiba shall not be responsible for any damage caused by malfunctions due to combination with any
connected device.
■Toshiba shall not be responsible for any damage caused by malfunctions due to combination with any
application program created by the customer.
Note
Use your cellular phone or PHS 1 meter or more away from the product main unit in operation,
various transmission cables, and I/O bus cable. Otherwise, the system may malfunction.

Unified Controller nv series MODBUS (MD911) Module Instruction Manual vii
This manual describes the functions, methods of installation and setting, and maintenance and inspection
of the MODBUS (MD911) module ("MD911 module" hereafter) for connecting the information/control
network MODBUS to the Unified Controller nv series.
To use this device correctly, read "Safety precautions" first.
The manuals related to the MD911 module are as follows.
· Unified Controller nv series Controller Unit Instruction Manual (6F8C1220)
Describes the main unit hardware of the nv series controller.
· Unified Controller nv series Controller type1 Functional Manual (6F8C1221)
Describes the functions and basic use of the nv series type 1.
· Unified Controller nv series type2 Functional Manual (6F8C1362)
Describes the functions and basic use of the nv series type 2.
· Unified Controller nv series Integrated Controller V series Programming Instructions (LD/FBD/SFC/ST)
(6F8C1226)
Describes the detailed specifications of the instruction words of the program languages (LD, FBD, and
SFC) supported by the nv series and Integrated Controller V series.
· Unified Controller nv series Integrated Controller V series Engineering Tool 4 −Basic−(6F8C1290)
Describes how to create, debug, print, and save programs using nV-Tool.
Introduction

6F8C1399
viii
●Notational conventions
The following are the notational conventions for better understanding of this document.
◆Important: Describes what the user should be particularly aware of to handle the product
correctly.
Note: Describes what the user should observe to handle the product correctly.
Remark: Describes a remark.
●Reading this document
This document consists of the following chapters.
· Chapter 1 Introducing the MD911 module
Describes the functions, characteristics, and names and functions of the parts.
· Chapter 2 Installation and wiring
Describes how to install it to the basic unit and how to connect cables.
· Chapter 3 Setting
Describes how to set the switches and parameters to use the module correctly.
· Chapter 4 Operation
Describes the operations such as checking before operation, startup, and shutdown.
· Chapter 5 Troubleshooting
Describes troubleshooting such as what to do when failure occurs.
· Chapter 6 Maintenance and inspection
Describes troubleshooting regarding daily inspection and periodical inspection and how
to perform inspections.
· Chapter 7 Application interface
Describes the user application interface and usage constraints.