iycnet 32989737 micromaster drive on rockwell controllogix v10 en

Application about Communication

Integration of a MicroMaster Drive with Rockwell ControlLogix using DeviceNet

Third-Party Integration

Warranty, liability and support

MicroMaster DeviceNet Integration Item-Number: 32989737

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Note The application examples are not binding and do not claim to be complete regarding the circuits shown, equipping and any eventuality. The application examples do not represent customer-specific solutions. They are only intended to provide support for typical applications. You are responsible in ensuring that the described products are correctly used. These application examples do not relieve you of the responsibility in safely and professionally using, installing, operating and servicing equipment. When using these application examples, you recognize that Siemens cannot be made liable for any damage/claims beyond the liability clause described. We reserve the right to make changes to these application examples at any time without prior notice. If there are any deviations between the recommendations provided in these application examples and other Siemens publications - e.g. Catalogs - then the contents of the other documents have priority.

Warranty, liability and support We do not accept any liability for the information contained in this document.

Any claims against us - based on whatever legal reason - resulting from the use of the examples, information, programs, engineering and performance data etc., described in this application example shall be excluded. Such an exclusion shall not apply in the case of mandatory liability, e.g. under the German Product Liability Act (Produkthaftungsgesetz), in case of intent, gross negligence, or injury of life, body or health, guarantee for the quality of a product, fraudulent concealment of a deficiency or breach of a condition which goes to the root of the contract (wesentliche Vertragspflichten). However, claims arising from a breach of a condition which goes to the root of the contract shall be limited to the foreseeable damage which is intrinsic to the contract, unless caused by intent or gross negligence or based on mandatory liability for injury of life, body or health The above provisions does not imply a change in the burden of proof to your detriment.

Copyright 2007 Siemens A&D. It is not permissible to transfer or copy these application examples or excerpts of them without first having prior authorization from Siemens A&D in writing.

For questions about this document please use the following e-mail address:

mailto:[email protected]

Foreword


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Foreword

Objective of the application Siemens designs and sells automation products to meet the needs of customers around the globe. It is common to find automation equipment from a multitude of vendors in plants around the world. In order to meet the automation and integration needs of these customers, Siemens provides a variety of communication options for its products to facilitate integration with products from various vendors.

This application shows how to integrate a MICROMASTER drive with a Rockwell Allen Bradley ControlLogix controller using the DeviceNet protocol.

Main contents of this application This application deals with the following key elements:

Configuration for Cyclic Data Exchange Reading and Writing Parameter Data Diagnostics

Delimitation This application does not include a complete description of the Rockwell configuration and programming tools nor does it provide a complete description of the MICROMASTER drive capabilities. Details of these tools and equipment should be obtained from appropriate technical training sources.

Structure of the document The documentation of this application is divided into the following main sections.

Section Description Application Example This section contains a general overview of the

application example. It also provides an overview of the development architecture.

Establishing Communications

This section provides functional details of the hardware and software components used in the application example.

Configuration Steps This section provides a step-by-step description of the integration and test processes. Concepts and known pitfalls for each step are listed.

Appendix This section provides a list of video clip examples that can be viewed to assist the reader in understanding the concepts that have been presented.

Foreword


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Reference to Automation and Drives Service & Support This entry is from the internet application portal of Automation and Drives Service & Support. Clicking the link below directly displays the download page of this document.

http://support.automation.siemens.com/WW/view/en/32989737

Foreword


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Table of Contents

Table of Contents ......................................................................................................... 5

Application Description ............................................................................................... 7

1 MicroMaster DeviceNet Integration............................................................... 7 1.1 Overview........................................................................................................... 7 1.2 Requirements ................................................................................................... 7

2 Establishing Communications ...................................................................... 8 2.1 Overview........................................................................................................... 8 2.2 Configuration Activities ..................................................................................... 8

Alternative solutions ..................................................................................... 9 2.3 Required hardware and software components ............................................... 10 2.4 Verification ...................................................................................................... 12

Configuration and Operation of the Application ..................................................... 13

3 Configuration of the DeviceNet communication........................................ 13 3.1 MicroMaster Setup.......................................................................................... 13 3.2 Rockwell ControlLogix Configuration.............................................................. 14 3.3 Configuration Steps ........................................................................................ 14 3.3.1 RSLinx Communication Configuration............................................................ 14 3.3.2 Create a new RSLogix 5000 Project............................................................... 18 3.3.3 Configure DeviceNet Module.......................................................................... 19 3.3.4 Select Communications Path to Controller ..................................................... 20 3.3.5 Create DeviceNet Configuration File .............................................................. 22 3.3.6 Install the Micromaster EDS File .................................................................... 24 3.3.7 Browse DeviceNet Network for Nodes ........................................................... 27 3.3.8 Configure and Download DeviceNet Nodes ................................................... 29 3.3.9 Save and Exit the RSNetworx ........................................................................ 34 3.3.10 Manually Set DeviceNet Scanner to Run ....................................................... 35 3.3.11 Manually Command Motor.............................................................................. 37 3.3.12 Diagnostic Information .................................................................................... 38 3.3.13 Setting DeviceNet Scanner to Run with Logic ................................................ 40 3.3.14 Create Data Type for Data Buffer ................................................................... 40 3.3.15 Create Tags for Reading and Writing PKWs .................................................. 41 3.3.16 Create Logic for Reading PKWs..................................................................... 43 3.3.17 Create Logic for Writing PKWs ....................................................................... 48 3.3.18 Conclusion ...................................................................................................... 49

Appendix ..................................................................................................................... 50

4 Flash Animations.......................................................................................... 50

5 Internet links ................................................................................................. 51

Foreword


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6 History ........................................................................................................... 52

Application Description

MicroMaster DeviceNet Integration


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Content This application example provides step-by-step instructions for configuring a MicroMaster drive to be controlled from a Rockwell ControlLogix controller using a DeviceNet network. Animations of the individual configuration steps necessary are also included.

1 MicroMaster DeviceNet Integration

1.1 Overview

Introduction Siemens provides a DeviceNet communications card for certain Master Drive products. This application note provides integration details to connect the Master Drives to the Rockwell ControlLogix platform. The integration covers both Process Data (PZD) transfers and Parameter (PKW) transfers.

Overview The figure below provides an overview of the desired configuration. Figure 1-1

DeviceNetRockwell (Allen Bradley)ControlLogix Controller

Dev

iceN

et-

Car

d Siemens AGMaster Drives

1.2 Requirements

The integration solution must provide the read/write functionality for both PZD and PKW values from a Rockwell Controllogix Controller.




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2 Establishing Communications

Specific hardware and software items from both vendors are required to establish the DeviceNet communications.

2.1 Overview

Configuration Architecture In order to integrate the Micromaster with the ControlLogix Controller, a DeviceNet Scanner module is required in the ControlLogix platform and a DeviceNet communications board (CB) is required in the MicroMaster. Additionally, specific configuration software is required.

The following figure schematically shows the major components of the solution:

Figure 2-1

PG(for configuration)

RS 232Serial connection

(DF1 protocol)

ControlLogix Controller

DeviceNet

MicroMaster 440 FD(with DeviceNet module) Motor

Power

Configuration Figure 2-1 contains an engineering workstation (PG) on which the Rockwell RSLogix 5000 configuration software RS Linx is running. The configuration software will communicate with the ControlLogix Controller using the DF1 communications protocol through a serial port of the PG. The MicroMaster Basic Operating Panel (BOP) is all that is required to configure the MicroMaster drive.

2.2 Configuration Activities

The following activities must occur in order to establish the DeviceNet communications:

1. Communications must be established between the engineering workstation and the ControlLogix Controller

2. The hardware must be configured correctly in the ControlLogix Controller.




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3. The MicroMaster Electronic Data Sheet (EDS) file must be added to the Device Catalog of the Rockwell DeviceNet configuration software.

4. The DeviceNet network must be configured and downloaded to the DeviceNet Scanner Module.

5. The DeviceNet Scanner Module must be placed in the Run Mode.

6. Testing must be performed to verify cyclic communications (PZD data).

7. Logic must be programmed in the ControlLogix Controller to lock the DeviceNet Scanner in Run Mode.

8. Logic must be programmed in the ControlLogix Controller to read PKW values.

9. The PKW read logic must be tested.

10. Logic must be programmed in the ControlLogix Controller to write PKW values.

11. The PKW write logic must be tested.

Advantage to Customers This solution provides existing Rockwell customers with the opportunity to use the Siemens MicroMaster drive.

Alternative solutions The Siemens Automation Customer Support portal offers a number of other suggestions to connect SIMATIC components to Allen-Bradley/Rockwell networks. For more details, see ref. \4\.




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2.3 Required hardware and software components

Hardware Components Table 2-1

Component No. MLFB Note ControlLogix 4-slot Chassis

1 1756-A4 Any suitable chassis can be used.

ControlLogix Power Supply

1 1756-PA75 Any ControlLogix power supply suitable for the selected chassis and power source can be used.

ControlLogix Controller (CPU)

1 1756-L55 Any suitable Controller (CPU) can be used.

ControlLogix DeviceNet Scanner

1 1756-DNB

DeviceNet Cable 1 Refer to Siemens document DeviceNet Option Module Operating Instructions (6SE6400-5BC00-0BP0) Chapter 4 for cable requirements

Communications cable (between the engineering workstation and the ControlLogix Controller)

1 Siemens Simatic-TI programming cable 2601090-0001C or an industry standard null modem RS232 cable will work.

Siemens MicroMaster 440 Drive

1 6SE6440-2AB11-2AA1 Any Master drive with a DeviceNet communication board can be used.

Siemens MicroMaster 4 Basic Operating Panel (BOP)

1 6SE6400-0BP00-0AA0 Any means of configuring PKWs can be used.

Siemens MicroMaster DNM DeviceNet Communications Option Module

1 6SE6400-1DN00-0AA0

Siemens Motor 1 1LA2060-2AA10 Any motor suitable for the Master drive can be used.




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Software Components Table 2-2

Component No. Version Note Rockwell RSLinx Classic Lite communications software

1 V2.50.00.20 Any version may be used as long as it supports communications to the DeviceNet network.

RSLogix 5000 Programming Software

1 V15.01.00 Any version that supports the hardware components (CPU and DeviceNet Scanner) can be used.

MicroMaster Electronic Data Sheet (EDS) file: MM4v1-1.eds

1 V1.1 Used the EDS file for the specific DeviceNet communications board that is used.

Example Files and Projects The following list includes all files and projects used in this application example. Table 2-3

Component Note MicroMaster Drive on Rockwell ControlLogix.doc

This document.

MicroMaster DeviceNet communications board (CB) manual.

cf. \3\ in the appendix Internet links

_PLC_Files.zip RSLogix5000 sample project (MicroMaster_DeviceNet_Demo.ACD), RSLogix5000 sample DeviceNet configuration file (MicroMasterDeviceNetDemo.dnt), and the MicroMaster EDS file (MM4v1-2.eds).

_MicroMasterConfigAVIs.zip

The configuration movie clips listed in the Appendix of this document.




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2.4 Verification

Verification testing is performed with the configuration steps.

Configuration and Operation of the ApplicationConfiguration of the DeviceNet communication


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Configuration and Operation of the Application

Content This section describes the configuration process for the DeviceNet communications.

3 Configuration of the DeviceNet communication

Before beginning the ControlLogix configuration and programming, the Micromaster drive should be configured for DeviceNet communications. This application example presumes that the reader is familiar with the Micromaster product and can set the PKWs to the values that are provided. Likewise, the Rockwell ControlLogix hardware must be assembled in accordance with the slot assignments provided to match the sample project.

3.1 MicroMaster Setup

Use the MicroMaster 440 Basic Operator Panel (BOP) to configure the drive for the motor that is being used. Set the following parameters on the drive for the DeviceNet communications.1

Table 3-1

Parameter Value Comment

Select digital command source: P0700.0 6 DeviceNet card (CB on COM link) P0700.1 2 Terminal P0700.2 2 Terminal Control/Setpoint source: P0719.0 0 Binector/Connector (BICO) functionality P0719.1 0 Binector/Connector (BICO) functionality P0719.2 0 Binector/Connector (BICO) functionality Network node address (MAC ID): P0918 3 Default Interface for parameter modification: P0927 255 All bits set Select digital command dource: P1000.0 6 DeviceNet card (CB on COM link) P1000.1 2 Analog setpoint

1 Refer to Siemens document DeviceNet Option Module Operating Instructions (6SE6400-5BC00-0BP0), Chapter 5 for more detailed information.



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Parameter Value Comment

P1000.2 2 Analog setpoint Communication failure creates fault on drive? P2040 >0 Yes Number of PZD input words: P2041.00 0 Default (4 PZD input words) Number of PZD output words: P2041.01 0 Default (4 PZD output words) Baudrate on the DeviceNet: P2041.02 0 Default (125 kbps) Diagnostics mode: P2041.02 0 Default (use standard diagnostics) Status registers transmitted on DeviceNet: P2051.0 52 Actual status P2051.1 21 Actual frequency P2051.2 0 Binary input values P2051.3 0 Binary input values Commands received from DeviceNet: r2050.0 1 Actual status r2050.1 0 Actual frequency r2050.2 0 Binary input values r2050.3 0 Binary input values

3.2 Rockwell ControlLogix Configuration

The Rockwell ControlLogix should be assembled with the chassis and power supply. The following configuration must be used: Table 3-2

Slot Component

0 Controller (CPU) 1 DeviceNet Scanner

3.3 Configuration Steps

3.3.1 RSLinx Communication Configuration

RSLinx is Rockwell Automations communication component with which the ControlLogix controller is configured and programmed. In this example application RSLinx is running the DF1 protocol via the serial port of the



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computer. RSLinx runs as a service on the computer, so it is active once the computer starts up.

Table 3-3

1. Start RSLinx. Its icon is located in the lower right area of the taskbar. Click it to invoke the configuration screen.

2. Once the configuration screen appears,

select the Communications menu item.

3. From the Communications sub-menu, select Configure Drivers.

4. From the Configure Drivers window, select the Configure button.



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5. From the Configure RS-232 DF1 Devices window, select the Auto-Configure button.

6. If the cable is correct and the controller is powered on, a message stating Auto Configuration Successful will appear. Select the OK button to close the window.

7. Select the Close button from the Configure Drivers window.



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8. Close the RSLinx window.

RSLinx is now configured to allow RSLogix 5000 to communicate with the ControlLogix Controller.

NOTE You can watch a Flash animation of this operation. To start the animations, follow the instructions in chapter 4, and select "Configure RSLinx" from the menu.



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3.3.2 Create a new RSLogix 5000 Project

Once communications are configured, create a new project by starting RSLogix 5000. The screen should display the main menu window.

Table 3-4

1. Select the File menu item.

2. Select New.

3. Select the CPU type, add a name and a description and select the OK button.

4. A new project has been created.

NOTE You can watch a Flash animation of this operation. To start the animations, follow the instructions in chapter 4, and select "New Program" from the menu.



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3.3.3 Configure DeviceNet Module

After following the steps in 3.3.2, it is necessary to add the DeviceNet scanner to the project hardware configuration.

Table 3-5

1. Right click the 1756 Backplane item and select new module.

2. Expand the Communications selection and scroll to the 1756-DNB module.

3. On the side of each ControlLogix module is a label. The label contains the firmware revision of the module. RSLogix needs to be configured with the proper firmware revision. In the example to the right, the Major Revision number is 6 and the Minor revision number is 2.

4. Configure the Major Revision of the DeviceNet scanner and select the OK button.



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5. Configure the Minor Revision number and the symbolic name of the DeviceNet scanner.

NOTE You can watch a Flash animation of this operation. To start the animations, follow the instructions in chapter 4, and select "Configure DeviceNet Scanner" from the menu.

3.3.4 Select Communications Path to Controller

RSLogix needs a communications path in order to communicate with the controller. This is accomplished by selecting the path.

Table 3-6

1. Select the Who Active button beside the Path drop-down box on the RSLogix 5000 window.

2. Once the Who Active window appears,

the active path will animate by blinking the small icons to the left of an active path. Select the path.



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3. Once the path is highlighted, select the Set Project Path button.

4. When the path is set, select the Download button.

5. Select the Download button from the Download window.

6. The download is now in progress.



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7. After the download completes, the RSLogix 5000 should be online with the controller. As soon as the controller is online, the gears displayed to the left of the "Path:" selection will begin to rotate.

NOTE You can watch a Flash animation of this operation. To start the

animations, follow the instructions in chapter 4, and select "Set Communication Path" from the menu.

3.3.5 Create DeviceNet Configuration File

Configure a DeviceNet Configuration File.

Table 3-7

1. First select the properties of the DeviceNet Scanner.

2. Select the RSNetWorx tab from the Module Properties window.



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3. Enter the name of the configuration file.

4. Select the Apply button.

5. Select the Yes button from the warning screen.

6. The DeviceNet configuration file is created.


animations, follow the instructions in chapter 4, and select "Create DeviceNet Config File" from the menu.



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3.3.6 Install the Micromaster EDS File

Launch the DeviceNet configuration editor.

Table 3-8

1. Launch the DeviceNet Editor by selecting the button to the left of View and Edit the DeviceNet network.

2. If the configuration file does not exist, you

will get a message asking you to approve the creation of it. Select the Yes button.

3. RSNetworx will launch.

4. Once RSNetworx for DeviceNet launches,

select the Tools->EDS Wizard menu item.



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5. Select the Next button.

6. Select Register an EDS File and select the Next button.

7. Browse and select the MM4v1-1.eds file and select the Next button.




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12. The installation is complete.



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NOTE You can watch a Flash animation of this operation. To start the animations, follow the instructions in chapter 4, and select "Create DeviceNet File" from the menu.

3.3.7 Browse DeviceNet Network for Nodes

The DeviceNet network should be functional at this point. The next step is to browse the network for nodes.

Table 3-9

1. Select the Online button from the toolbar.

2. A path to the DeviceNet network must be

selected.



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3. Drill down through the existing communications path until the DeviceNet network is found. You will know you have reached it when the OK button becomes active. Select the OK button.

4. Select the OK button for the information message.

5. The DeviceNet scanner will scan for all 64 nodes on the network.

6. When it completes, the nodes that have been located will be shown connected to the network. The MM4 Drive Module (MicroMaster) and the DeviceNet scanner should appear connected.

NOTE You can watch a Flash animation of this operation. To start the animations, follow the instructions in chapter 4, and select "Browse Network" from the menu.



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3.3.8 Configure and Download DeviceNet Nodes

The next step is to configure and download the nodes that the scanner located.

Table 3-10

1. No configuration is required for the Micromaster MM4 Drive Module node. Use the mouse and right click its icon.

2. Select Download to Device.

3. Select the Yes button.

4. Select the DeviceNet scanner module and right click it.

5. Select Properties from the context

menu.



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6. Select the Scanlist tab.

7. Select the Download button.

8. Download takes place.

9. Once downloading completes, the Scanlist Configuration screen will appear. Ensure the MM4 Drive Module is high-lighted and select the right arrow button to add the MM4 Drive Module to the scanlist.



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10. Select the Edit I/O Parameters button to verify I/O sizes.

11. Note that the Poll size for both input and output is 8 bytes. This equates to the 4 PZD input words and 4 PZD outputs words of the MicroMaster drive. Select the OK button to close the window. Once the window disappears, select the Input tab.



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12. Note the mapping location of the input words. In this case, the 8 input bytes are mapped to the first 8 bytes (2 dwords) of the DeviceNet Scanners input data area. These 8 bytes represent the 8 bytes of status from the MicroMaster drive. Select the Output tab.

13. Like the inputs, the outputs are mapped to the first 8 bytes (2 dwords) of the DeviceNet Scanners data output area. This area corresponds to the 8 bytes of control words to the MicroMaster drive. Select the Module tab.



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14. From the Module page, select the Download to Scanner button.

15. Once download completes, select the OK button.



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16. RSNetworx automatically prompts for a download when exiting the DeviceNet Scanners configuration dialog. Select the Yes button.

17. The download will complete. After approximately 60 seconds, the three LEDs on the front of the DeviceNet Scanner module should be green. The MOD/NET and OK LEDs should be constantly lit, while the I/O LED should be flashing.

NOTE You can watch a Flash animation of this operation. To start the animations, follow the instructions in chapter 4, and select "Download Devices" from the menu.

3.3.9 Save and Exit the RSNetworx

Save the configuration and exit RSNetworx.



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Table 3-11

1. Select the Save button on the toolbar.

2. The button will gray out indicating the save operation completed.

3. Close RSNetworx.

NOTE You can watch a Flash animation of this operation. To start the animations, follow the instructions in chapter 4, and select "SaveAndExit" from the menu.

3.3.10 Manually Set DeviceNet Scanner to Run

The DeviceNet Scanner must be commanded to the run state in order to exchange data with other DeviceNet nodes. This is accomplished by setting a command bit in the scanners memory area of the Controller.

Table 3-12

1. The Controller must be placed into Run Mode. To do this, right click the Controller Tags menu item.

2. Select the Monitor Tags menu choice.

3. Expand the Local 1:O tags. (In the designation "1:0", "1" represents the module in slot 1, while "O" stands for outputs.)



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4. Expand the Command Register tags.

5. Change the value of the

CommandRegister.Run tag to 1 and press the Enter key.

6. Next turn the key on the controller to REM

(Remote) and select the Program button in the upper left area of the RSLogix 5000 window.

7. Select the Run Mode menu choice.

8. Select the Yes button.

9. The status of the controller should change to Run Mode. The text on the front of the DeviceNet Scanner should state RUN. All three LEDs, MOD/NET, I/O, and OK should be constantly lit green.



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NOTE You can watch a Flash animation of this operation. To start the animations, follow the instructions in chapter 4, and select "Set To Run" from the menu.

3.3.11 Manually Command Motor

Once the controller and DeviceNet Scanner are in Run, the MicroMaster drive can be commanded to run the motor.

Table 3-13

1. First expand the output data tags.

2. Change the view of the first dword to hex.

3. Set the most-significant word to 0x4000

and the least-significant word to 0x047E. This commands the motor for full speed with a stop command.

4. Next, set the least-significant word to 0x047F. This commands the motor to run at full speed with a "run forward" command. If the MicroMaster is configured properly for the motor, the motor should run forward at full speed.

5. Now expand the input data area to verify feedback from the MicroMaster: Expand the input tags. Change the view of the first dword to hex. Note that the value of the most-significant word is 0x3FFF indicating full speed. The least-significant word is the current status.



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6. Collapse the input data tags and command the motor to stop.

7. Expand the input tag area again and verify the motor has stopped.

The feedback shows the motor has stopped turning.

NOTE You can watch a Flash animation of this operation. To start the animations, follow the instructions in chapter 4, and select " Command Motor " from the menu.

3.3.12 Diagnostic Information

The DeviceNet Scanner contains several diagnostic tags. These are noted as the Local 1:S tags. For this example application three of them will be noted. First there is DeviceFailureRegisters. Any device that has failed will have its designated address bit set to "1". Addresses are designated least-significant bit to most-significant bit with address 0 being assigned to the least-significant bit. A DeviceNet network consists of 64 nodes so there are 8 double word registers for the DeviceFailureRegisters.



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There are also ActiveNodeRegisters. Like the DeviceFailureRegisters, there is a bit that is set for each active node. In the following screen capture, note that bit 3 of the first register is set to "1" indicating that the MicroMaster is communicating:

There are also DeviceStatus registers that provide a byte of status for each DeviceNet node:



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3.3.13 Setting DeviceNet Scanner to Run with Logic

Program logic is used to ensure the DeviceNet scanner goes to run when the controller does. The following is a latching ladder logic rung that will accomplish the task using the DeviceNet Scanners CommandRegister.Run tag.

3.3.14 Create Data Type for Data Buffer

In order to read and write MicroMaster parameters (PKWs), create a buffer data type to be used for read requests and write commands.



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Table 3-14

1. First expand the Data Types selection.

2. Next right click User-Defined and select the New Data Type menu item.

3. Enter the data type name. In this example, we will use Buffer.

4. Next configure the contents. For this

example, 8 bytes (SINT in Rockwell terminology) will be configured. This can be expanded if required. Select the Apply button to save the data type profile.

3.3.15 Create Tags for Reading and Writing PKWs

Tags will need to be configured to facilitate reading and writing parameters. Two Boolean tags will be created to command reads and writes, three tags will utilize the newly created Buffer data type, and two will be of the MESSAGE data type for the MSG functions used for sending requests and commands to the MicroMasters DeviceNet communication board (CB).

The tags are:



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Name Type Function Read Bool Read request trigger. Write Bool Write command trigger. ReadRequest Buffer Read request data for reading

parameters. ReadResponse Buffer Response from parameter read request. WriteCommand Buffer Write command data for writing

parameters. WriteResponse Buffer Response from the write command. ReadParms MESSAGE MSG function instance tag for read

requests. WriteParms MESSAGE MSG function instance tag for write

commands.

Table 3-15

1. To configure tags, select Controller tags.

2. Select the Edit Tags tab at the bottom

of the page.

3. Add the tags and then Save the project.

NOTE You can watch a Flash animation of this operation. To start the animations, follow the instructions in chapter 4, and select " Create Tags" from the menu.



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3.3.16 Create Logic for Reading PKWs

The MSG instruction is used to read parameters from the MicroMaster. This section centers around section 3.2.4 of the Siemens document DeviceNet Option Module Operating Instructions (6SE6400-5BC00-0BP0). The logic in this section reads parameter r964.002, the firmware version of the MicroMaster.

Table 3-16

1. To enter the logic, go to the MainRoutine Task. Double click MainRoutine.

2. Once in the logic, right click the (End)

rung and add a new rung.

3. Select a normally open contact.



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4. Select the read tag from the list of tags.

5. Next select the Input/Output tab of the

message instructions and enter a MSG function. Configure the MSG functions instance tag to the ReadParms tag that was created earlier.

6. Click the Configuration button to the right of the ReadParms tag name. The Configuration dialog box will open.



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7. Configure the message communications using the CIP Generic message type. Configure the Service Code, Class, Instance, and Attribute per the requirement of section 3.2.4 of the Siemens document DeviceNet Option Module Operating Instructions (6SE6400-5BC00-0BP0). For the Source Element use the ReadRequest tag that was configured earlier. The Source Element will contain the read request, the parameter number, and the parameter index. The total request will be 4 bytes long. For the Destination, use the ReadResponse tag that was created earlier. This will hold the response value from the MicroMaster.

8. Next click the Communication tab. Select the Browse button to browse for the message communications path. Select the DeviceNet Scanner module. Type the suffix ,2,3 after the name of the DeviceNet card so that the text is DeviceNetScanner,2,3. DeviceNetScanner is the name of the DeviceNet Scanner card entered during hardware configuration. This value will change according to the name in the DeviceNet Scanner module properties. The value "2" is required. It is the numeric representation of the DeviceNet communications port on the module. This value is always 2. The value "3" is the node address of the MicroMaster. This value will change based upon the node address that has been set for the MicroMaster. One important note, DO NOT CHECK the Connection check box. If it is checked, the read request WILL NOT function.



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9. Select the OK button to apply the configuration.

10. Next download the program to the controller. Note that the communications are offline for the download. Runtime edits can also be made.

11. Confirm the Download operation.

12. Once the download completes, confirm placing the controller back in Run Mode by selecting the Yes button.



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13. Vertically Tile the Logic Window and the Controller Tag window.

14. Write the read request data into the

ReadRequest tag. Note that the data is BYTE SWAPPED as stated in the Siemens manual.

15. Once this is done, set the Read tag to "1"

to enable the MSG block.

16. Note in the ladder logic status that the

Done (DN) bit is set indicated that the read request worked. In the Read Response tag, the values returned are hex "C4 43 d0 00 00 00". The "C4 63" is a valid response to the parameter read request. The data is byte swapped. It corresponds to the expected response from section 3.2.4 of the Siemens manual. The actual value is hex "00 d0" which in decimal is 208. This MicroMaster has firmware version 2.08. The last 2 bytes, "00 00", are the index value. This value is always zero.


animations, follow the instructions in chapter 4, and select "Create Read Logic" from the menu.



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3.3.17 Create Logic for Writing PKWs

This example for writing MicroMaster parameters is from section 3.2.5 of the Siemens manual. Parameter P1203, "Flying Start", will be set to a value of "99".

Table 3-17

1. The logic is very similar to the "Read PKW" logic.

2. As defined in section 3.2.5 of the Siemens

manual, the service code is different for the write command.

3. The communications path is still the same.



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4. Write commands are similar to the read commands. The following screen capture shows the write to P1203 example from section 3.2.5 of the Siemens manual. Note the values in the write response tag and the Done (DN) bit on the output of the MSG instruction.

NOTE You can watch a Flash animation of this operation. To start the animations, follow the instructions in chapter 4, and select Verify Write Operation from the menu.

3.3.18 Conclusion

This application example has shown the basic requirements for cyclic data exchange and acyclic reading and writing to/from a Siemens MicroMaster drive and a Rockwell (Allen Bradley) ControlLogix Controller using DeviceNet. The concepts presented here should be applicable to other Siemens DeviceNet products.

Appendix

Flash Animations


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Appendix

4 Flash Animations

A flash animation of each configuration step is included with this application example. To watch the animations, extract the Zip archive into any directory and start the animation framework by double-clicking Start.exe.

The individual clips are started by clicking their corresponding menu entries:

Menu entry Description See... Configure RSLinx Configuring the RSLinx communication software to

communicate to the ControlLogix Controller. 3.3.1

New Program Creation of a new RSLogix5000 project. 3.3.2 Configure DeviceNet Scanner

Configuring the ControlLogix hardware including the DeviceNet Scanner.

3.3.3

Set Communications Path

Setting the project communications path so communications can occur with a controller.

3.3.4

Create DeviceNet Config File

Definition of the DeviceNet configuration files. 3.3.5, 3.3.6

Browse Network Browsing the DeviceNet network to locate connected nodes. 3.3.7 Download Devices Downloading the configuration to DeviceNet nodes. 3.3.8 Create DeviceNet File

Configuration of the DeviceNet nodes. 3.3.8

SaveAndExit Saving and exiting the DeviceNet network configuration software.

3.3.9

Set To Run Manually setting the DeviceNet Scanner to Run Mode. 3.3.10 Command Motor Entering data values to the drive to command a motor to run

using the PZD command words and monitoring feedback from the PZD status words.

3.3.11

Verify Write Operation

Testing and verifying that the write operation functioned properly.

3.3.12

Program Run Logic Programming logic to latch the DeviceNet Scanner in Run Mode.

3.3.13

Create Buffer Data Type

Configuring a custom data type to hold read/write request and response data.

3.3.14

Create Tags Creating of custom tags for reading and writing PKWs. 3.3.15 Create Read Logic Programming of the MSG block to read parameters (PKWs)

from the MicroMaster drive. Verification of correct operation is also shown.

3.3.16

Create Write Logic Programming of the MSG block to write parameters (PKWs) to the MicroMaster drive.

3.3.17

Appendix

Internet links


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5 Internet links

Topic Title \1\ Reference to the

entry http://support.automation.siemens.com/WW/view/en/32989737

\2\ Siemens A&D Customer Support

http://www.ad.siemens.de/support

\3\ Operating Instructions: MICROMASTER DeviceNet Option Module


\4\ Reference to a collection of articles regarding the connection of Rockwell components


Appendix

History


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6 History Table 6-1 History

Version Date Modification

V1.0 24/09/07 First edition V1.1 10/01/09 Adaptation to CS Design Guidelines

iycnet 32989737 micromaster drive on rockwell controllogix v10 en

Documents