Allen-Bradley ControlLogix DeviceNet C Series Installation Instructions Manual
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Allen-Bradley ControlLogix DeviceNet C Series Installation Instructions Manual

Allen-Bradley ControlLogix DeviceNet C Series Installation Instructions Manual

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ControlLogix DeviceNet Scanner Module
Catalog Numbers 1756-DNB, Series C and D
Topic
Installation Instructions
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Summary of Contents for Allen-Bradley ControlLogix DeviceNet C Series

  • Page 1: Table Of Contents

    Installation Instructions ControlLogix DeviceNet Scanner Module Catalog Numbers 1756-DNB, Series C and D Topic Page Important User Information Preventing Electrostatic Discharge European Hazardous Location Approval - European Zone 2 Certification Environment and Enclosure North American Hazardous Location Approval About this Publication About the Module Before You Begin Determine Module Slot Location...

  • Page 2: Important User Information

    2 ControlLogix DeviceNet Scanner Module Important User Information Solid state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls Publication SGI-1.1 available from your local Rockwell Automation sales office or online at http://literature.rockwellautomation.com) describes some important differences between solid state equipment and hard-wired electromechanical devices.

  • Page 3: Preventing Electrostatic Discharge

    ControlLogix DeviceNet Scanner Module 3 Preventing Electrostatic Discharge This equipment is sensitive to electrostatic discharge, which can cause ATTENTION internal damage and affect normal operation. Follow these guidelines when you handle this equipment: • Touch a grounded object to discharge potential static. •...

  • Page 4: European Hazardous Location Approval - European Zone 2 Certification

    4 ControlLogix DeviceNet Scanner Module European Hazardous Location Approval - European Zone 2 Certification The following applies when the product bears the EEx Marking). This equipment is intended for use in potentially explosive atmospheres as defined by European Union Directive 94/9/EC. The LCIE (Laboratoire Central des Industries Electriques) certifies that this equipment has been found to comply with the Essential Health and Safety Requirements relating to the design and construction of Category 3...

  • Page 5: Environment And Enclosure

    Besides this publication, see: • Industrial Automation Wiring and Grounding Guidelines, for additional installation requirements, Allen-Bradley publication 1770-4.1. • NEMA Standards publication 250 and IEC publication 60529, as applicable, for explanations of the degrees of protection provided by different types of enclosure.

  • Page 6: North American Hazardous Location Approval

    6 ControlLogix DeviceNet Scanner Module North American Hazardous Location Approval The following information applies when Informations sur l’utilisation de cet operating this equipment in hazardous équipement en environnements dangereux. locations. Products marked "CL I, DIV 2, GP A, B, C, D" are suitable for Les produits marqués "CL I, DIV 2, GP A, B, C, D"...

  • Page 7: About The Module

    ControlLogix DeviceNet Scanner Module 7 About the Module Use this figure to identify the external features of the module. Top View Front View Backplane Connector Front Panel USB Port DeviceNet Port Side View 31713-M Before You Begin Before you install the module, you must install and connect a ControlLogix chassis and power supply.

  • Page 8: Determine Module Slot Location

    8 ControlLogix DeviceNet Scanner Module To install these products, refer to these publications. Publication References Chassis Type Chassis Power Supply Power Supply Installation Installation Instructions Instructions Series B: Pub. No. 1756-PA72/B Pub. No. 1756-A4, 1756-A7, 1756-IN080 1756-IN078 1756-PB72/B 1756-A10, 1756-A13 1756-PA75/A Pub.

  • Page 9: Change Module Settings

    ControlLogix DeviceNet Scanner Module 9 Change Module Settings The module ships with these settings. Factory Setting Values Factory Settings Value Rotary switches Communication (data) rate Software settable (default 125 Kbps) Node address Software settable (default 63) Top of Module Front of Module Communication (Data) DeviceNet Node Address Rotary 31587...
  • Page 10 10 ControlLogix DeviceNet Scanner Module Set the Communication Rate The 1756-DNB scanner module supports the following DeviceNet network communication rates: • 125 Kbps • 250 Kbps • 500 Kbps The factory default setting is 125 Kbps. Do not change the communication rate on an active network. Unpredictable ATTENTION operation may result.
  • Page 11 ControlLogix DeviceNet Scanner Module 11 Communication Rate Rotary Switch Top of Module Front of Module 31587 Communication (Data) Rate Rotary Switch Switch Settings and Communication Rate Switch Setting Communication Rate 125 Kbps 250 Kbps 500 Kbps When all three switches are set to 8, this resets the 1756-DNB scanner module to factory default settings.
  • Page 12 12 ControlLogix DeviceNet Scanner Module Set the Rotary Switch Use the communication (data) rate rotary switch to change the communication rate. For ease of access, remove the module from the chassis before proceeding. 1. If the module is removed from the chassis, be sure that power is removed or the area is nonhazardous before proceeding.
  • Page 13 ControlLogix DeviceNet Scanner Module 13 5. In the Data Rate field, select the communication (data) rate. 6. Click Apply. 7. Cycle power to the 1756-DNB scanner module. Set the Node Address The 1756-DNB scanner module supports DeviceNet node addresses 00...63. The factory default setting is node address 63.
  • Page 14 14 ControlLogix DeviceNet Scanner Module Set the Rotary Switches Use the node address rotary switches to change the DeviceNet node address for the 1756-DNB scanner module. For ease of access, remove the module from the chassis before proceeding. 1. If the module is removed from the chassis, be sure that power is removed or the area is nonhazardous before proceeding.
  • Page 15 ControlLogix DeviceNet Scanner Module 15 Restore the Factory Default Settings The out-of-box reset will clear the scanlist (including ADR configuration recovery files) and return all software setting attributes to their default values. Follow this procedure to restore the factory default communication rate and node address.

  • Page 16: Install The Module In The Chassis

    16 ControlLogix DeviceNet Scanner Module Install the Module in the Chassis When you insert or remove the module while backplane power is on, an electrical arc can WARNING occur. This could cause an explosion in hazardous location installations. Be sure that power is removed or the area is nonhazardous before proceeding. Repeated electrical arcing causes excessive wear to contacts on both the module and its mating connector.
  • Page 17 ControlLogix DeviceNet Scanner Module 17 Wire the DeviceNet Connector Use an open-style 5- or 10-position linear plug to connect to the DeviceNet network. An open-style 10-position linear plug is provided with your module. For detailed DeviceNet connection information, see the DeviceNet Media IMPORTANT Design and Installation Guide, publication DNET-UM072.
  • Page 18 18 ControlLogix DeviceNet Scanner Module Connect the Module to the DeviceNet Network If you connect or disconnect the DeviceNet connector with power applied to WARNING this module or any device on the network, an electrical arc can occur. This could cause an explosion in hazardous location installations. Be sure that power is removed or the area is nonhazardous before proceeding.
  • Page 19 ControlLogix DeviceNet Scanner Module 19 Connect to the Module Via the USB Port The USB port is intended for temporary local programming purposes only and WARNING is not intended for permanent connection. If you connect or disconnect the USB cable with power applied to this module or any device on the USB network, an electrical arc can occur.
  • Page 20 20 ControlLogix DeviceNet Scanner Module Set Up the USB Driver The 1756-DNB scanner module must be powered up before proceeding with IMPORTANT the USB driver setup. To connect your 1756-DNB scanner module via a USB port, you need to first set up a USB driver.
  • Page 21 ControlLogix DeviceNet Scanner Module 21 These dialogs appear consecutively. 4. Click Finish to set up your USB driver. Publication 1756-IN566D-EN-P - June 2008...
  • Page 22 22 ControlLogix DeviceNet Scanner Module 5. In RSLinx software, from the Communications pull-down menu, choose RSWho to view your module. The RSLinx Workstation organizer appears. Virtual Chassis Driver USB Port Driver Your module appears under two different drivers, a virtual chassis and the USB port.
  • Page 23 ControlLogix DeviceNet Scanner Module 23 Do not simultaneously flash upgrade the firmware for more than one module IMPORTANT through a USB port. If you do, one or more of the flash updates may fail in the middle of the download. Apply Chassis Power 31717-M Publication...
  • Page 24 24 ControlLogix DeviceNet Scanner Module Check Power Supply and Module Status Check the status indicators and alphanumeric display to determine if the power supply and module are operating properly. See see Monitor and Troubleshoot Devices in the Module Scan List on page Alphanumeric Display...
  • Page 25 ControlLogix DeviceNet Scanner Module 25 Install or Remove the Module Under Power You can install or remove this module while chassis power is applied. When you insert or remove the module while backplane power is on, an WARNING electrical arc can occur. This could cause an explosion in hazardous location installations.
  • Page 26 26 ControlLogix DeviceNet Scanner Module Remove or Replace the Module Push on upper and lower module tabs to disengage them. 31719-M 31720-M Slide module out of chassis. If you want to replace an existing module with an identical one, and you IMPORTANT want to resume identical system operation, you must install the new module in the same slot.

  • Page 27: Configure The Scan List

    ControlLogix DeviceNet Scanner Module 27 Configure the Scan List Use RSNetWorx for DeviceNet software to configure the scan list for the 1756-DNB scanner module. Refer to DeviceNet Modules in Logix5000 Control Systems, publication DNET-UM004. Monitor and Troubleshoot Devices in the Module Scan List Use the alphanumeric display and the status indicators on the 1756-DNB scanner module front panel to verify networked devices in the scan list are operating correctly.
  • Page 28 28 ControlLogix DeviceNet Scanner Module Alphanumeric Status Messages The following table summarizes the status messages. Alphanumeric Status Message Status Message Description The 1756-DNB scanner module is in Run mode. Idle The 1756-DNB scanner module is in Idle mode. Auto AutoScan is enabled and the 1756-DNB scanner module is in Idle mode.
  • Page 29 ControlLogix DeviceNet Scanner Module 29 DeviceNet Status Codes The following table summarizes the codes. DeviceNet Status Codes Status Description of Status Recommended Action Code 0..63 Scanner’s DeviceNet node address. None. The AutoScan option is on and the None. device is in Idle mode. Scanner is secondary scanner.
  • Page 30 30 ControlLogix DeviceNet Scanner Module DeviceNet Status Codes Status Description of Status Recommended Action Code • Modify your configuration and check Scanner detected data overrun on DeviceNet communication port. for invalid data. • Check network communication traffic. Either or both of the following: Verify that the device has a: •...
  • Page 31 ControlLogix DeviceNet Scanner Module 31 DeviceNet Status Codes Status Description of Status Recommended Action Code Device is configured in scan list, but Verify device’s: • power. not communicating. It has failed to communicate during the scanner’s • communication connections. second scan, which followed the If the device is polled, make sure the display of status error code 72.
  • Page 32 32 ControlLogix DeviceNet Scanner Module DeviceNet Status Codes Status Description of Status Recommended Action Code Error detected in sequence of Use RSNetWorx for DeviceNet software fragmented I/O messages from device. • check scan list of the device to make sure that its input and output data sizes are correct.
  • Page 33 ControlLogix DeviceNet Scanner Module 33 DeviceNet Status Codes Status Description of Status Recommended Action Code During runtime, the data size sent Since variable length poll data is not by the slave device does not match supported, verify that the slave device is the size in the corresponding scan functioning properly.
  • Page 34 34 ControlLogix DeviceNet Scanner Module DeviceNet Status Codes Status Description of Status Recommended Action Code • Cycle power to the device. Bus-off condition likely due to cable or signal errors. • Verify that all devices are set to the same communication rate. •...

  • Page 35: Interpret The Status Indicators

    ControlLogix DeviceNet Scanner Module 35 DeviceNet Status Codes Status Description of Status Recommended Action Code The controller has placed the If the O.CommandRegister.HaltScanner scanner in halt mode. bit is on, turn it off. Then cycle scanner power. General firmware error. Replace device.
  • Page 36 36 ControlLogix DeviceNet Scanner Module Indicator State and Description Indicator State Description Module/ Device is not powered/not online. Network • The device has not completed the Dup_MAC_ID test (MOD/NET) yet. • The device may not be powered. Green Device is operating in a normal condition and is online with connections established.
  • Page 37 ControlLogix DeviceNet Scanner Module 37 Indicator State Description Module/ Flashing Minor fault and/or connection time-out - recoverable fault Network and/or one or more I/O connections are in the timed-out state. (MOD/NET) Critical fault or critical link failure - device has an unrecoverable fault and may need to be replaced.

  • Page 38: Understand Controllogix Controller Interface Structures

    38 ControlLogix DeviceNet Scanner Module Understand ControlLogix Controller Interface Structures The 1756-DNB scanner module supports several sizes of input, output, and status structures over the ControlLogix backplane. These I/O structures were created to reduce the complexity of connecting DeviceNet I/O and status data with ladder programs.
  • Page 39 ControlLogix DeviceNet Scanner Module 39 Module Command Register Bit Definitions The bits of the Module Command Register are defined as follows. Name Description 1 = run mode 0 = idle mode Fault 1 = fault network DisableNetwork 1 = disable network HaltScanner 1 = halt module (the 1756-DNB scanner module ceases all...
  • Page 40 40 ControlLogix DeviceNet Scanner Module Input Structure The controller receives input I/O by reading input data from an input structure in the 1756-DNB scanner module. The scanner module receives input data from DeviceNet modules and delivers a copy of these values to the controller.
  • Page 41 ControlLogix DeviceNet Scanner Module 41 Module Status Register Bit Definitions The Module Status Register bits are defined as follows Name Description 1 = in Run mode 0 = in Idle mode Fault 1 = Network is faulted DisableNetwork 1 = Network is disabled DeviceFailure 1 = Device failure exists (examine the status structure for causes)
  • Page 42 42 ControlLogix DeviceNet Scanner Module The status structure consists of these data elements. Status Structure Description Data DINTS Element Type ScanCounter Counter incremented each I/O scan 32-bit DeviceFailureRegister Device failed bit table; 1 = failed 64-bit AutoverifyFailureRegister Device I/O size does not match 64-bit scanner’s internal table;...

  • Page 43: Specifications

    ControlLogix DeviceNet Scanner Module 43 Specifications ControlLogix DeviceNet Scanner Module, Cat. No. 1756-DNB Attribute Value Module location Any slot in the ControlLogix chassis DeviceNet communication 125 Kbps - 500 m (1640 ft.) max rate, max 250 Kbps - 250 m (820 ft.) max 500 Kbps - 100 m (328 ft.) max Backplane current (mA) at 850 mA...
  • Page 44 44 ControlLogix DeviceNet Scanner Module ControlLogix DeviceNet Scanner Module, Cat. No. 1756-DNB USB port USB 1.1 USB Device USB Series B Receptacle DeviceNet connector torque 0.56...0.79 Nm (5...7 in-lb) Power supply To comply with the CE Low Voltage Directive (LVD), DeviceNet network must be powered from a source compliant with the following: Safety Extra Low Voltage (SELV) or Protected Extra Low...
  • Page 45 ControlLogix DeviceNet Scanner Module 45 Environmental Specifications Attribute Value Temperature, IEC 60068-2-1 (Test Ad, Operating Cold), operating IEC 60068-2-2 (Test Bd, Operating Dry Heat), IEC 60068-2-14 (Test Nb, Operating Thermal Shock): 0…60 °C (32…140 °F) Temperature, IEC 60068-2-1 (Test Ab, Unpackaged Nonoperating Cold), nonoperating IEC 60068-2-2 (Test Bb, Unpackaged Nonoperating Dry Heat), IEC 60068-2-14 (Test Na, Unpackaged Nonoperating Thermal Shock):...
  • Page 46 46 ControlLogix DeviceNet Scanner Module Certifications Certification Value UL Listed Industrial Control Equipment. See UL File E65584. Certifications UL Listed for Class I, Division 2 Group A,B,C,D Hazardous (when product is Locations. See UL File E194810. marked) c-UL-us UL Listed Industrial Control Equipment, certified for US and Canada.

  • Page 47: Additional Resources

    DeviceNet Modules in Logix5000 Control Systems, Programming, configuring, using, and publication DNET-UM004 troubleshooting DeviceNet modules Industrial Automation Wiring and Grounding Grounding and wiring Allen-Bradley Guidelines, publication 1770-4.1 programmable controllers National Electrical Code - Published by the National Wire sizes and types for grounding electrical Fire Protection Association of Boston, MA.
  • Page 48 Outside United States Please contact your local Rockwell Automation representative for the return procedure. Allen-Bradley, ControlLogix, Rockwell Automation, RSLogix 5000, ControlFlash, and RSLinx are trademarks of Rockwell Automation, Inc. Trademarks not belonging to Rockwell Automation are property of their respective companies..

This manual is also suitable for:

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