Mitsubishi MELSEC-FX0N Series User manual

USER’S MANUAL
FX0N-32NT-DP Profibus-DP Interface Unit

FX0N-32NT-DP Profibus-DP InterfaceUnit
Foreword
• This manual contains text, diagrams and explanations which will guide the reader in the correct installation
and operation of the FX0N-32NT-DP Profibus-DP Interface Unit. It should be read and understood before
attempting to install or use the unit.
• Further information can be found in the Hardware Manual of the PLC, Programming Manual of the PLC,
MELSOFT GX Configurator-DP Configuration System for Open Networks Software Manual and the manual
of the Profibus-DP master units.
• If in doubt at any stage of the installation of FX0N-32NT-DP Profibus-DP Interface Unit always consult a pro-
fessional electrical engineer who is qualified and trained to the local and national standards which apply to
the installation site.
• If in doubt about the operation or use of FX0N-32NT-DP Profibus-DP Interface Unit please consult the nearest
Mitsubisi Electric distributor.
• This manual is subject to change without notice.

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FX0N-32NT-DP Profibus-DP
Interface Unit
User’s Manual
This manual confers no industrial property rights or any rights of any other kind, nor does it confer any
patent licenses. Mitsubishi Electric Corporation cannot be held responsible for any problems involving
industrial property rights which may occur as a result of using the contents noted in this manual.
FX0N-32NT-DP Profibus-DP Interface Unit
Manual number : JY992D61401
Manual revision : E
Date : March 2008

FX0N-32NT-DP Profibus-DP Interface Unit
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FX0N-32NT-DP Profibus-DP Interface Unit
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Guidelines for the Safety of the User and Protection of the FX0N-32NT-DP
Profibus-DP Interface Unit.
This manual provides information for the use of the FX0N-32NT-DP Profibus-DP Interface Unit.
The manual has been written to be used by trained and competent personnel. The definition of
such a person or persons is as follows:
a) Any engineer who is responsible for the planning, design and construction of automatic
equipment using the product associated with this manual, should be of a competent
nature, trained and qualified to the local and national standards required to fulfill that
role. These engineers should be fully aware of all aspects of safety with regards to
automated equipment.
b) Any commissioning or service engineer must be of a competent nature, trained and
qualified to the local and national standards required to fulfill that job. These engineers
should also be trained in the use and maintenance of the completed product. This
includes being completely familiar with all associated documentation for said product. All
maintenance should be carried out in accordance with established safety practices.
c) All operators of the completed equipment should be trained to use that product in a safe
and coordinated manner in compliance to established safety practices. The operators
should also be familiar with documentation which is connected with the actual operation
of the completed equipment.
Note : The term ‘completed equipment’ refers to a third party constructed device which
contains or uses the product associated with this manual.

FX0N-32NT-DP Profibus-DP Interface Unit
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Note’s on the Symbols Used in this Manual
At various times through out this manual certain symbols will be used to highlight points of
information which are intended to ensure the users personal safety and protect the integrity of
equipment. Whenever any of the following symbols are encountered its associated note must
be read and understood. Each of the symbols used will now be listed with a brief description of
its meaning.
Hardware Warnings
1) Indicates that the identified danger WILL cause physical and property damage.
2) Indicates that the identified danger could POSSIBLY cause physical and property
damage.
3) Indicates a point of further interest or further explanation.
Software Warnings
4) Indicates special care must be taken when using this element of software.
5) Indicates a special point which the user of the associate software element should
be aware.
6) Indicates a point of interest or further explanation.

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• Under no circumstances will Mitsubishi Electric be liable or responsible for any
consequential damage that may arise as a result of the installation or use of this equipment.
• All examples and diagrams shown in this manual are intended only as an aid to
understanding the text, not to guarantee operation. Mitsubishi Electric will accept no
responsibility for actual use of the product based on these illustrative examples.
• Owing to the very great variety in possible application of this equipment, you must satisfy
yourself as to its suitability for your specific application.

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Table of Contents
Guideline ............................................................................................. iii
1. Introduction............................................................................................1-1
1.1 Features of the 32NT-DP .................................................................................... 1-1
1.2 External Dimensions............................................................................................ 1-2
1.2.1 Pin Configuration of Profibus-DP Connector............................................................. 1-4
1.3 System Configuration .......................................................................................... 1-5
1.4 Applicable PLC .................................................................................................... 1-6
2. Wiring and Mounting .............................................................................2-1
2.1 Mounting.............................................................................................................. 2-2
2.1.1 Arrangements............................................................................................................ 2-2
2.1.2 Mounting.................................................................................................................... 2-2
2.2 Wiring .................................................................................................................. 2-4
2.2.1 EC and EMC Conformity ........................................................................................... 2-4
2.2.2 Power Supply Wiring ................................................................................................. 2-5
2.2.3 Profibus-DP Wiring.................................................................................................... 2-7
2.2.4 Terminating Resistor ................................................................................................. 2-8
3. Specifications ........................................................................................3-1
3.1 General Specifications......................................................................................... 3-1
3.2 Power Supply Specifications ............................................................................... 3-1
3.3 Performance Specifications................................................................................. 3-2
FX0N-32NT-DP Profibus-DP Interface Unit

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4. Buffer Memories (BFMs) Allocation.......................................................4-1
4.1 Buffer Memories (BFM) Lists............................................................................... 4-2
4.2 Received Output Data, Input Data to Send (BFM #0 ~ #19) <Read/Write> ........ 4-3
4.3 Data Exchange Status Bit (BFM #20) <Read Only> ........................................... 4-4
4.4 Swap Byte Order (BFM #21) <Read/Write> ........................................................ 4-4
4.5 Length of Sent Data (BFM #22), Length of Received Data (BFM #23)
<Read Only> ....................................................................................................... 4-4
4.6 Baud Rate (BFM #24) <Read Only> ................................................................... 4-5
4.7 Communication Status (BFM #25) <Read Only> ................................................ 4-6
4.7.1 Global Control Command.......................................................................................... 4-8
4.8 PROFIBUS Module ID (BFM #26) <Read Only>................................................. 4-9
4.9 Slave Address (BFM #27) <Read/Write> ............................................................ 4-9
4.10 User Diagnostics (BFM #28) <Read/Write> ...................................................... 4-10
4.11 Error Status (BFM #29) (Read Only) ................................................................. 4-11
4.11.1 General Error (BFM #29 Bit 0) ................................................................................ 4-12
4.11.2 External 24V Power Error (BFM #29 Bit 2).............................................................. 4-12
4.11.3 Hardware Error (BFM #29 Bit 3).............................................................................. 4-12
4.11.4 EEPROM Error (BFM #29 Bit 4).............................................................................. 4-12
4.11.5 FROM/TO Watchdog Timer (BFM #29 Bit 7) .......................................................... 4-13
4.11.6 Configuration Error (BFM #29 Bit 10)...................................................................... 4-13
4.11.7 Parameter Error (BFM #29 Bit 11) .......................................................................... 4-13
4.11.8 Slave Address Change Error (BFM #29 Bit 12)....................................................... 4-13
4.12 Model identification code (BFM #30) <read only> ............................................. 4-14