APARIAN A-MBR Bedienungsanleitung
Modbus Router /
Modbus Router 485
User Manual
A-MBR / A-MBR-485
Document No. D106-009
12/2017
Revision 1.15
Document No. D106-009 Page 2 of 76
Revision 1.15
CONTENTS
1. Preface ............................................................................................................................... 5
1.1. Introduction to the Modbus Router ........................................................................... 5
1.2. Features ....................................................................................................................... 5
1.3. Architecture ................................................................................................................. 7
1.4. Additional Information ................................................................................................ 9
1.5. Support ........................................................................................................................ 9
2. Installation ....................................................................................................................... 10
2.1. Module Layout .......................................................................................................... 10
2.2. Module Mounting ..................................................................................................... 13
2.3. Power ........................................................................................................................ 14
2.4. RS232 Port ................................................................................................................. 14
2.5. RS485 Port ................................................................................................................. 15
2.6. RS485 Termination .................................................................................................... 15
2.7. Ethernet Port ............................................................................................................. 16
3. Setup ................................................................................................................................ 17
3.1. Install Configuration Software .................................................................................. 17
3.2. Network Parameters ................................................................................................. 17
3.3. Creating a New Project .............................................................................................. 22
3.4. Modbus parameters .................................................................................................. 24
3.5. Message Routing ....................................................................................................... 27
3.5.1. Reactive Tag Mode............................................................................................. 27
3.5.2. Scheduled Tag Mode.......................................................................................... 34
3.5.3. Unscheduled Mode ............................................................................................ 39
3.6. Module Download ..................................................................................................... 40
3.7. RSLogix 5000 Configuration ...................................................................................... 42
3.7.1. Studio 5000 Configuration (Version 20+) .......................................................... 42
3.7.2. RSLogix 5000 Configuration (Pre-Version 20) .................................................... 46
4. Operation ......................................................................................................................... 50
4.1. Message Routing ....................................................................................................... 50
4.2. RSLogix 5000 assemblies ........................................................................................... 50
1.1.1. Input Assembly................................................................................................... 51
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1.1.2. Output Assembly................................................................................................ 52
4.3. Unscheduled Messaging ........................................................................................... 53
4.3.1. Example .............................................................................................................. 57
5. Diagnostics ....................................................................................................................... 59
5.1. LEDs ........................................................................................................................... 59
5.2. Module Status Monitoring in Slate ........................................................................... 60
5.3. Modbus Diagnostics .................................................................................................. 65
5.4. Modbus Packet Capture ............................................................................................ 66
5.5. Module Event Log...................................................................................................... 69
5.6. Web Server ................................................................................................................ 70
6. Technical Specifications ................................................................................................... 71
6.1. Dimensions ................................................................................................................ 71
6.2. Electrical .................................................................................................................... 72
6.3. Ethernet ..................................................................................................................... 72
6.4. Serial Port (RS232) ..................................................................................................... 73
6.5. Serial Port (RS485) ..................................................................................................... 73
6.6. Modbus ..................................................................................................................... 73
6.7. Certifications ............................................................................................................. 74
Index ......................................................................................................................................... 75
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Revision History
Revision Date Comment
1.0 24 June 2015 Initial document
1.1 24 July 2015 Indication of serial data and stop bits supported
1.2 25 August 2015 Add UL Listed mark
1.3 7 September 2015 Added documentation for the RS485 version
1.4 28 September 2015 Added section for Base Address selection
1.5 30 September 2015 Add support for EtherNet/IP retry statistics and configuration
1.6 14 March 2016 Update warning on Logix Boolean 32-bit alignment to be for single and
multiple Coil/Discrete Register updates.
1.7 13 May 2016 Add ODVA Conformance mark
1.8 26 June 2016 Updated temperature range
1.9 8 August 2016
Added EDS Add-On-Profile
Added Modbus Diagnostic functions
Added RoHS2 compliant to certifications
1.10 23 May 2017 Add support for two additional interface modes.
Add RCM Conformance mark.
1.11 5 October 2017 Add UL Class 1 Division 2
1.12 6 October 2017 Update max mapping count from 20 to 40
1.13 23 October 17 Removed max Modbus writing in specification
1.14 22 November 17 Added support for multiple node emulation in Reactive Mode.
1.15 12 December 17 Added support for SLC/MicroLogix controllers.
Preface
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1. PREFACE
1.1. INTRODUCTION TO THE MODBUS ROUTER
This manual describes the installation, operation, and diagnostics of the Aparian Modbus
Router. The Modbus Router provides intelligent data routing between EtherNet/IP and
Modbus (serial Modbus-RTU or Ethernet Modbus-TCP). NOTE: The Modbus Router 485 can
communicate on serial RS485 whilst the Modbus Router can communicate on serial RS232.
The Modbus Router allows the user to integrate Modbus devices into a Rockwell Logix
platform (e.g. ControlLogix, CompactLogix, MicroLogix, etc.) with minimal effort.
Figure 1.1. – Typical Setup
1.2. FEATURES
The Modbus Router is able to transfer data from various Modbus devices to a maximum of
three Logix controllers. The module operates in one of three modes, simplifying the
configuration for all applications.
Mode Description Message Initiator
Reactive Tag The Modbus Router will convert Modbus messages to Logix
controller tag reads or tag writes. (Modbus Slave) Remote Device
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Scheduled Tag The Modbus Router transfers data between a Modbus device and a
number of Logix tags, using a preconfigured scheduled.
(Modbus Master)
No Logix or remote device configuration is required.
Modbus Router
Unscheduled The Modbus Router transfers messages received from a Logix
Message Instruction.
(Modbus Master)
Logix (Msg)
Table 1.1. – Modes of Operation
The Modbus Router is configured using the Aparian Slate application. This program can be
downloaded from www.aparian.com free of charge. Slate offers various configuration
methods, including a controller tag browser.
Hereafter the Modbus Router will be referred to as the module.
The module can operate in both a Logix “owned” and standalone mode. With a Logix
connection the input and output assemblies will provide additional diagnostics information
which will be available in the Logix controller environment.
The Modbus Router allows the user to integrate Modbus devices into a Logix system with
minimal effort. No copying or mapping of data in the Logix controller is required as the
Modbus Router writes directly into Logix tags.
The module also provides a range of statistics and traffic analyser to help fault find any
problems.
The Modbus Router supports Modbus on two ports which can be configured from the Slate
environment; Modbus-RTU (Serial) or Modbus-TCP (Ethernet).
The Modbus Router (RS232 version) uses isolated RS232 for Modbus serial communication
providing better noise immunity. The RS232 or RS485 port uses a terminal block for
convenient installation.
A built-in webserver provides detailed diagnostics of system configuration and operation,
including the display of Modbus operation and communication statistics, without the need for
any additional software.
Preface
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1.3. ARCHITECTURE
The figure below provides an example of the typical network setup in reactive mode, where
the Modbus Router acts as a Modbus slave device.
Figure 1.2. - Example of a typical network setup in reactive mode
By converting and redirecting serial Modbus messages from legacy devices to EtherNet/IP,
the module provides an interface for data exchange to Allen-Bradley ControlLogix and
CompactLogix platforms. This enables user to replace legacy devices and systems with
minimal effort and downtime.
The Modbus Router allows a Logix platform to seamlessly integrate into a Modbus network
with Reactive Tag Mode. The module will route Modbus message directly to Logix tags with
no need for additional ladder code.
Preface
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Figure 1.3. - Example of a typical network setup in scheduled/unscheduled mode
Systems that rely on a central ControlLogix communicating to a number of remote Modbus
devices, (e.g. Electrical Protection Units or Remote Terminal Units), may find the Modbus
Router useful when operating in Scheduled Tag Mode as shown in the figure above. The
module, acting as a Modbus master, will exchange data between the Modbus device and Logix
platform at a configured interval without any need for additional coding or mapping.
Preface
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1.4. ADDITIONAL INFORMATION
The following documents contain additional information that can assist the user with the
module installation and operation.
Resource Link
Slate Installation http://www.aparian.com/software/slate
Modbus Router User Manual
Modbus Router Datasheet
Example Code & UDTs
http://www.aparian.com/products/modbusrouter
Ethernet wiring standard www.cisco.com/c/en/us/td/docs/video/cds/cde/cde205_220_420/installation/guide/
cde205_220_420_hig/Connectors.html
CIP Routing The CIP Networks Library, Volume 1, Appendix C:Data Management
Modbus http://www.modbus.org
Table 1.2. - Additional Information
1.5. SUPPORT
Technical support is provided via the Web (in the form of user manuals, FAQ, datasheets etc.)
to assist with installation, operation, and diagnostics.
For additional support the user can use either of the following:
Resource Link
Contact Us web link www.aparian.com/contact-us
Support email support@aparian.com
Table 1.3. – Support Details
Installation
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2. INSTALLATION
2.1. MODULE LAYOUT
The module has three ports at the bottom of the enclosure as shown in the figure below. The
ports are used for Ethernet, RS232 or RS485 serial, and power. The power port uses a three-
way connector which is used for the DC power supply positive and negative (or ground)
voltage as well as the earth connection.
The Ethernet cable must be wired according to industry standards which can be found in the
additional information section of this document.
When using the RS232 version the RS232 port uses a four way connector. This provides
connection for the communication transmit (TX), receive (RX), and ground (GND) conductors.
The fourth connection (earth) is used for shielding the cable in high noise environments.
Figure 2.1. – Modbus Router (RS232) side and bottom view
When using the RS485 version the RS485 port uses a four way connector. This provides
connection for the communication positive (+) and negative (-) conductors (the third
connector is N/A). The fourth connection (earth) is used for shielding the cable in high noise
environments.
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1
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