Allen-Bradley DeviceNet 1756-DNB Configuration Manual
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Allen-Bradley DeviceNet 1756-DNB Configuration Manual

Communication module
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Allen-Bradley
DeviceNet
Communication
Module
(Cat. No. 1756-DNB)
Allen-Bradley Drives
Configuration
Manual

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Summary of Contents for Allen-Bradley DeviceNet 1756-DNB

  • Page 1 Allen-Bradley Configuration DeviceNet Communication Manual Module (Cat. No. 1756-DNB) Allen-Bradley Drives...
  • Page 2 Reproduction of the contents of this copyrighted publication, in whole or in part, without written permission of Allen-Bradley Company, Inc., is prohibited. Throughout this manual we make notes to alert you to possible injury to people or damage to equipment under specific circumstances.
  • Page 3 DeviceNet network using a ControlLogix chassis in conjunction with a 1756-DNB communication module know each of your device’s I/O parameters and requirements are proficient with DeviceNet Manager software are familiar with the Microsoft Windows environment Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...
  • Page 4 P–2 Conventions The following conventions appear throughout this manual to guide you through the information and concepts. Important: Your screens may appear slightly different than the ones depicted in this manual if you are running DeviceNet Manager software on a platform other than Windows NT, version 4.0.
  • Page 5 This is a type of input/output-data communication. A strobe message solicits a response from each strobed device (a multicast transfer). It is a 64-bit message that contains one bit for each device on the network. Allen-Bradley Drives This is an abbreviation for “transmit”. Publication 1756–6.5.15 – July 1998...
  • Page 6 DeviceNet courses Designing a DeviceNet Network (course no. CCP160) and Configuring a DeviceNet Network (course no. CCP161) are currently offered. Contact your local authorized Allen-Bradley distributor or sales/support office for more information. Repair and Exchange Services your only “authorized” source...

  • Page 7: Table Of Contents

    Adding Devices to the Scan List from the Scan List Editor Screen 3–11 Allen-Bradley Drives Configuring a Device in the Scan List ....
  • Page 8 toc–ii Table of Contents Using the Slave Mode Function ......3–14 Determining Data-Mapping Preferences with Auto Map .

  • Page 9: What's In This Chapter

    At this point in your planning, it is advantageous for you to have some idea of how the network could be expanded. When mapping your I/O, you have the opportunity to allot room for future I/O. This can save time and effort in the future. Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 10: Planning Examples

    1–2 Planning Your Configuration Planning Examples The following examples illustrate a data-mapping plan for a DeviceNet network. About This Example This example has the following characteristics: a PC host platform a 1756–DNB communication module a Series 9000 photoelectric sensor (strobed) a RediSTATION operator interface (polled) Important: In the following examples, output is data sent to a...

  • Page 11: Part I - Photoelectric Sensor Mapping Input Data

    0000 0000 0000 0000 word 123 Word 8 0000 0000 0000 0000 Example: The data bit for photoelectric sensor #1 (1D) appears at word 1, bit 1 in the input image table of your host platform. Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 12: Part Ii - Redistation Operator Interface Mapping Input Data

    1–4 Planning Your Configuration Part II – RediSTATION Operator Interface Mapping Input Data The RediSTATION operator interface’s input byte is mapped to the communication module’s data table. In the RediSTATION’s byte is a bit for the: red button (on/off) green button (on/off) RediSTATION Inputs = unused bits R = bit for red button...

  • Page 13: Part Iii - Redistation Operator Interface Mapping Output Data

    Word 4 0000 0000 0000 0000 word 3 Example: RediSTATION operator interface’s word 4 indicator-light bit (2L) is taken from word 1, bit 0 in the 1756–DNB Output Image Table. up to word Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 14: What's Next

    1–6 Planning Your Configuration What’s Next? The next step is to understand how to configure the communication module and perform I/O data mapping through DeviceNet Manager software. The next chapter details: 1756-DNB Module Configuration 1756–DNB Scan List Editor Edit Display Properties Edit Device I/O Parameters 1756–DNB Auto Map 1756–DNB Data Table Map...

  • Page 15: Before You Begin

    Before configuring your communication module, you must understand: the data exchange between a host platform and DeviceNet devices through the 1756–DNB communication module user-configurable communication module data tables the role of DeviceNet Manager software Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 16: What Your Scanner Does

    2–2 Before You Begin What Your Scanner Does In a typical configuration, the communication module acts as an interface between DeviceNet devices and the Logix 5550 controller. The communication module communicates with DeviceNet devices over the network to: read inputs from a device write outputs to a device download configuration data monitor a device’s operational status...

  • Page 17: Communicating With Your Devices

    This concept is illustrated in “byte A.” host platform acknowledge message. A cyclic message is sent only at a user-configurable rate. Output Data To DeviceNet Devices Output Data Storage output from the host platform Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 18: What Communication Module Data Tables Are And What They Do

    2–4 Before You Begin What Communication To manage the flow of data between your processor and a network’s Module Data Tables Are devices, the communication module uses the following data tables. and What They Do Communication Module Configuration Table Scan List Table Device Input Data Table Device Output Data Table Device Idle Table...

  • Page 19: Devicenet Manager Software As A Configuration Tool

    I/O scans. For example: if the ratio is set at 10, that device will be polled once every 10 scans. Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 20: 1756-Dnb Configuration Screen-Map

    2–6 Before You Begin 1756–DNB Configuration Screen-Map The main dialog screen can be accessed through either the Network Who or Project View. To access the Module Configuration screen from a Network Who, double click on the 1756–DNB communication To access the Module Configuration module icon.

  • Page 21: What's Next

    A to correct scan list problems prompted by error messages. use Appendix B to become familiar with data mapping with DeviceNet Manager software Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...
  • Page 22 2–8 Before You Begin Publication 1756–6.5.15 – July 1998...

  • Page 23: Configuring Through Devicenet Manager Software

    We recommend that you are familiar with data mapping and have a mapping scheme planned for your DeviceNet network before continuing. We further recommend that you thoroughly read the following procedures before attempting to configure your communication module. Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 24: Online And Offline Configuration

    3–2 Configuring Through DeviceNet Manager Software Online and Offline Configuration While using DeviceNet Manager software, you can configure your communication module in an online or offline mode. The following illustrates a typical process for each mode. Online configuration 1. Load settings into the configuration utility (editor) from a previously stored file.

  • Page 25: Accessing The Module Configuration Screen

    A number also appears in the upper right corner of a device indicating the scan list to which it belongs. Important: The colors surrounding a device or communication module are arbitrary and indicate nothing more than the communication module/device relationship. Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 26: Setting The Module's Operational Parameters

    3–4 Configuring Through DeviceNet Manager Software You see this screen. The scan list editor title bar indicates (in parenthesis) where the data comes from (file, project, DNB, or Who). The Module Configuration screen allows you to set the communication module’s operational parameters. Setting the Module’s Operational Parameters 1.

  • Page 27: Communication Module

    Save data to your communication module’s Save to non-volatile memory Save data to a file in your pc Save to File This induces a flash-memory update; the communication module must be in idle mode. Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 28: Assigning Names From The Project

    3–6 Configuring Through DeviceNet Manager Software Assigning Names From the Project To assign the project names you specified in the Project View screen to the configuration file, choose Assign Names from Project. Names include project, module, and network. The Module Configuration screen automatically updates with the names from the project.

  • Page 29: Accessing The Scan List Editor Screen

    Entering the Scan List Editor Screen Through a Project project view module configuration scan list editor *.sl5 file project device list Entering the Scan List Editor Screen Through Network Who Network Who module configuration scan list editor Network Who device list Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 30: Using The Scan List Editor Screen

    3–8 Configuring Through DeviceNet Manager Software Using the Scan List The 1756–DNB Scan List Editor screen displays a summary of the Editor Screen network residing selected in the Module Configuration screen. For information about See page Scan list editor functions 3–8 Removing devices from the scan list 3–9...

  • Page 31: Removing Devices From The Scan List

    Load From field, choose DNB. The screen is automatically updated with what is received from the communication module. B. To load data from a file in your PC, in the Load From field, choose File. Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...
  • Page 32 3–10 Configuring Through DeviceNet Manager Software You see a screen similar to this one. Select the file you wish to load and choose OK. 2. Click on the device you wish to view so it is highlighted. 3. Click on the Active in ScanList check box to include the device in the scan cycle.
  • Page 33 Follow these directions to add devices to your scan list from the scan list editor. 1. Choose the appropriate button in the Add Devices From group (Proj or Who). You see the Add Devices to Scan List screen. Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...
  • Page 34 3–12 Configuring Through DeviceNet Manager Software If you see this screen, the devices are currently in the scan list but are not in the network. Select and drag the device(s) you want to add to the scan list over the communication module icon and release them.

  • Page 35: Configuring A Device In The Scan List

    When editing your devices, you can select one device or multiple devices at a time. Highlight the desired devices and choose Edit I/O Parameters. The entries made are then applied to all highlighted devices. You see this screen. Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 36: Using The Slave Mode Function

    3–14 Configuring Through DeviceNet Manager Software 2. Click on the Enabled check box in the appropriate field, depending upon whether your device is strobed, polled, change-of-state, or cyclic. Important: Once you click on the check box next to Enabled in the change of state/cyclic field, you must click on the appropriate radio button next to change-of-state or cyclic, depending upon your device and/or application.

  • Page 37: Determining Data-Mapping Preferences With Auto Map

    3. Click on the Input Image and/or Output Image check box, depending upon your device. Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 38: About The Data Table Map

    3–16 Configuring Through DeviceNet Manager Software Data type Designates Input image Locations within your image table to which the selected device’s data is mapped Output Image Where data destined for the selected device resides in your image table’s memory 4. From the appropriate drop list, depending upon what you selected in the above step, select the appropriate region to which you want to begin mapping the selected device’s input and/or output data.

  • Page 39: Using The Data Table Map For Custom Editing

    3. Click on the appropriate radio button in the Data Map field depending upon whether you are mapping input or output data. Allen-Bradley Drives 4. Click on the appropriate radio button in the Map Segment field. Publication 1756–6.5.15 – July 1998...
  • Page 40 3–18 Configuring Through DeviceNet Manager Software You can map input data using up to four map segments. 5. Click on the desired input data’s location in the Map Data To drop list. This indicates to the communication module which type of message will arrive –...

  • Page 41: Mapping Specific Bits To Specific Device Memory Locations

    Map Data From drop list. 8. Enter the output data’s mapping location by indicating the word and bit at which the data begins in your communication module’s Allen-Bradley Drives memory in the Word and Bit edit boxes. Publication 1756–6.5.15 – July 1998...
  • Page 42 3–20 Configuring Through DeviceNet Manager Software 9. Enter the size of the output data you are mapping from the location in the Map Data To field in the No. Bits edit box. To view a specific data table word on the bit level, double-click on the desired word.

  • Page 43: About Your Files

    If you encounter error messages while building your scan list file, refer to the troubleshooting table in appendix A. Input maps 1-4 errors Input message-type errors Output maps 1-4 errors Output message-type errors Mapping and/or auto map errors Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...
  • Page 44 3–22 Configuring Through DeviceNet Manager Software Publication 1756–6.5.15 – July 1998...

  • Page 45: Troubleshooting

    This table does not include general errors particular to DeviceNetManager software itself, nor does it list any errors that may be displayed in a number code on the communication module itself. Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...
  • Page 46 A–2 Troubleshooting Message Description Recommendation Input Maps 1-4 Number of strobe bits exceeds strobe Rx size The no. bit value exceeds the The no. bits (number of bits) indicated in the strobe Rx size value. input data-map must be equal to or less than the strobe Rx size.
  • Page 47 Map Data To. byte, the first bit begins with zero. Any value greater than seven indicates more than eight bits and therefore more than one byte. Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...
  • Page 48 A–4 Troubleshooting Publication 1756–6.5.15 – July 1998...

  • Page 49: Scan List Example

    Node address 5 input and output data B–8 FLEX I/O module input mapping B–9 scheme example FLEX I/O module output mapping B–10 scheme example Node address 22 input and output data B–11 Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 50: Understanding A Scan List Example

    B–2 Scan List Example Understanding a This example illustrates how each Scan List Configuration screen Scan List Example appears when the mapping example’s network is configured. Series 9000 photoelectric sensor RediSTATION operator interface Two input bits from each photoelectric Two input bits from each RediSTATION sensor will be mapped.

  • Page 51: Photoelectric Sensor Input Mapping Scheme Example

    Word 0 0000 0000 0000 0000 word 0 Word 1 0000 0000 0000 0000 Word 2 0000 0000 0000 0000 word 1 Word 3 0000 0000 0000 0000 Word 4 0000 0000 0000 0000 Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 52: Node Address 1 Input Data

    B–4 Scan List Example Node Address 1 Input Data Series 9000 photoelectric sensor photoelectric sensor input byte 1 byte The photoelectric sensor at node address 1 is a strobed device that produces 1 byte of input data. Remember that this node must be enabled in the scan list before it may participate in I/O communication with the communication module.

  • Page 53: Node Address 3 Input Data

    0, bit 0. This input data is mapped to the communication module’s input image table starting at word 1, bit The number of bits mapped is 2 (1 data bit and 1 status bit). Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 54: Redistation Operator Interface Input Mapping Scheme Example

    B–6 Scan List Example RediSTATION Operator Interface Input Mapping Scheme Example RediSTATION Operator Interface Input Bytes What’s Happening? The bits for each start/stop station node address 5 start/stop station node address 6 RediSTATION operator interface’s red and green 1 byte 1 byte buttons are mapped into the communication module’s input...

  • Page 55: Redistation Operator Interface Output Mapping Scheme Example

    Word 4 0000 0000 0000 0000 word 123 Word 5 0000 0000 0000 0000 Example: RediSTATION #5’s indicator-light bit is taken from word 0, bit 10 (5L) in the out- put image table. Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 56: Node Address 5 Input And Output Data

    B–8 Scan List Example Node Address 5 Input and Output Data RediSTATION operator interface RediSTATION input byte 1 byte The RediSTATION operator interface at node address 5 is a polled device that produces 1 byte of input data. Remember that this node must be enabled in the scan list before it may participate in I/O communication with the communication module.

  • Page 57: Flex I/O Module Input Mapping Scheme Example

    0000 0000 0000 0000 Word 2 0000 0000 0000 0000 word 8 Word 3 0000 0000 0000 0000 Word 4 0000 0000 0000 0000 word 9 Word 5 0000 0000 0000 0000 word 123 Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...

  • Page 58: Flex I/O Module Output Mapping Scheme Example

    B–10 Scan List Example FLEX I/O Module Output Mapping Scheme Example FLEX I/O Module Output Bytes The host application transfers data to the output image table. 1794-ADN 1794-IB16 1794-OB16 adapter module input module output module The FLEX I/O output message 1 byte 1 byte 1 byte...

  • Page 59: Node Address 22 Input And Output Data

    0, bit 0. This output data is mapped from the communication module’s output image table starting at word 1, bit 0. The number of bits mapped is 32. Allen-Bradley Drives Publication 1756–6.5.15 – July 1998...
  • Page 60 B–12 Scan List Example Publication 1756–6.5.15 – July 1998...
  • Page 61 2–4 configuration, 2–2 Add Devices to Scan List screen, 3–12 beginning, 3–1 adding to scan list, scan list editor Allen-Bradley Drives data, 2–2 screen, 3–11 devices in the scan list, 3–13 configuring in scan list, 3–13 example, 2–2 failure table, 2–4...
  • Page 62 Index I–2 I/O data, 2–2 data map, 3–17 input data table, 2–4 image table, 1–3 output data table, 2–4 mapping scheme removing from scan list, 3–9 FLEX I/O module, B–9 select, 3–18 photoelectric sensor, B–3 surrounded in color, 3–3 RediSTATION operator interface , B–6 type, 3–10 maps definition, A–1...
  • Page 63 3–3 Tx, 3–14, 3–15 screen, 2–6 unmap, 3–16 removing devices from scan list, 3–9 Rx, 3–14, 3–15 vendor, 3–10 save to Allen-Bradley Drives PCIDS, 3–14 SDN, 3–5, 3–11, 3–15 word saving files, 3–21 Publication 1784-6.5.15 – July 1998...
  • Page 64 Index I–4 align all, 3–16 and bit, 3–18 X, 3–17 Publication 1784-6.5.15 – July 1998...
  • Page 65 Sequence What is not in the right order? Other Comments Use back for more comments. Your Name Location/Phone Return to: Technical Communication, Allen-Bradley Co., 1 Allen-Bradley Drive, Mayfield Hts., OH 44124 Phone: (216)646-3166 FAX: (216)646-4320 Allen-Bradley Drives Publication ICCG-5.21-August 1995...
  • Page 66 PLEASE FASTEN HERE (DO NOT STAPLE) Other Comments PLEASE FOLD HERE NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES BUSINESS REPLY MAIL FIRST-CLASS MAIL PERMIT NO. 18235 CLEVELAND OH POSTAGE WILL BE PAID BY THE ADDRESSEE Technical Communication 1 ALLEN BRADLEY DR MAYFIELD HEIGHTS OH 44124-9705...
  • Page 67 Allen-Bradley Drives...
  • Page 68 Puerto Rico Qatar Romania Russia–CIS Saudi Arabia Singapore Slovakia Slovenia South Africa, Republic Spain Sweden Switzerland Taiwan Thailand Turkey United Arab Emirates United Kingdom United States Uruguay Venezuela Yugoslavia Allen-Bradley Headquarters, 1201 South Second Street, Milwaukee, WI 53204 USA, Tel: (1) 414 382-2000 Fax: (1) 414 382-4444 Publication 1756–6.5.15 – July 1998 PN 955132–52...

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