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Allen-Bradley ControlLogix SynchLink 1756-SYNCH User Manual

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Summary of Contents for Allen-Bradley ControlLogix SynchLink 1756-SYNCH

  • Page 1 ControlLogix SynchLink Module 1756-SYNCH User Manual Allen-Bradley Parts...
  • Page 2 In no event will Allen-Bradley be responsible or liable for indirect or consequential damage resulting from the use or application of these products.
  • Page 3 1. Go to http://www.ab.com 2. Click on Product Support (http://support.automation.rockwell.com) Your Questions or Comments on this Manual If you find a problem with this manual, please notify us of it on the enclosed How Are We Doing form. Allen-Bradley Parts...
  • Page 5 Preface-1 Related Products and Documentation Preface-4 Who Should Use You must be able to program and operate an Allen-Bradley ControlLogix™ Logix controller and ControlLogix I/O modules to This Manual efficiently use your SynchLink™ module. We assume that you know how to do this in this manual. If you do not, refer to Related Documentation, before you attempt to use this module.
  • Page 6 Preface What This Manual Contains This user manual contains the following sections: Description of the SynchLink module Description of how the SynchLink module synchronizes time in the ControlLogix system Description of the SynchLink module Description of how to install the SynchLink certifications and general features module and connect the fiber optic cable Description of how to configure the...
  • Page 7 SynchLink Daisy Chain Configuration SynchLink Ring Configuration Complete list of all the input and output data tags Glossary of terms used with the Index of terms and concepts explained SynchLink module thoughout this user manual Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 8 PowerFlex 700S User Manual 20D-UM001 If you need more information on these products, contact your local Allen-Bradley integrator or sales office for assistance. For more information on the documentation, refer to the Allen-Bradley Publication Index, publication SD499. Publication 1756-UM521B-EN-P - September 2001...

  • Page 9: Table Of Contents

    CST and SynchLink Mastership ....3-16 Chapter Summary and What’s Next ....3-16 Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 10 Table of Contents Chapter 4 Installing the SynchLink Module Noting the Power Requirements ....4-1 Installing the Module......4-2 Connecting the Fiber Optic Cable .
  • Page 11 Output Data Tags ....... E-4 Glossary Index Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 12 Table of Contents Publication 1756-UM521B-EN-P - September 2001...

  • Page 13: What Is The 1756-Synch Module

    • Produced axis data for chassis to chassis remote axis control • High speed drive reference data for chassis to drive control • General control information that requires transfer at a high Allen-Bradley Parts speed and in a synchronized manner Publication 1756-UM521B-EN-P - September 2001...

  • Page 14: Why Synchronize Time Between Chassis

    What is the 1756-SYNCH module? Why Synchronize Time Between Chassis? In synchronizing time between chassis, the SynchLink module allows you to: • share motion data from chassis to chassis because a consistent time reference is available among chassis for interpolation of velocity and position data.

  • Page 15: Connecting A Synchlink Module To A Synchlink System

    1751-SLBA SynchLink Fiber Base Block 1751-SL4SP SynchLink Fiber 4-Port Splitter Block 1751-SLBP SynchLink Fiber Bypass Switch Block For more information on SynchLink fiber optic cable systems, see The SynchLink Design Guide, publication 1756-TD008. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 16: Physical Features Of The Controllogix Synchlink Module

    What is the 1756-SYNCH module? Before you install and use your module you should have already: • installed and grounded a 1756 chassis and power supply. For more information, refer to the publications listed in Table 1.C. Table 1.C Chassis and Power Supply Documentation Catalog Document title: Pub.

  • Page 17: Using Module Identification And Status Information

    Module Identification: Description: Product Type Module’s product type, such as Digital I/O or Analog I/O module Catalog Code Module’s catalog number Major Revision Module’s major revision number Minor Revision Module’s minor revision number Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 18 • Minor unrecoverable fault • Major recoverable fault • Major unrecoverable fault Vendor ID Module manufacturer vendor, for example Allen-Bradley Serial Number Module serial number Length of ASCII Text String Number of characters in module’s text string ASCII Text String...

  • Page 19: Preventing Electrostatic Discharge

    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. Worn contacts may create electrical resistance that can affect module operation. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 20: Chapter Summary And What's Next

    What is the 1756-SYNCH module? Chapter Summary and In this chapter, you learned about the ControlLogix SynchLink module. For information about Time Synchronization in the What’s Next ControlLogix System, see Chapter 2. Publication 1756-UM521B-EN-P - September 2001...

  • Page 21: Time Synchronization In The Controllogix System

    SynchLink module. You cannot use a SynchLink module to synchronize I/O timestamps in a remote chassis without first installing a SynchLink module and controller in that chassis. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 22: Using The Coordinated System Time (Cst)

    Time Synchronization in the ControlLogix System Using the Coordinated The Coordinated System Time (CST) is the clocking mechanism used to achieve time synchronization in a ControlLogix chassis. The System Time (CST) ControlLogix Coordinated System Time (CST) clock is a 64-bit clock on the backplane of the ControlLogix chassis.

  • Page 23: Synchlink Node Clock

    S.L.N.C. SynchLink SynchLink SynchLink Time Master Time Slave Time Slave 42981 S.L.N.C. S.L.N.C. S.L.N.C. S.L.N.C. SynchLink SynchLink SynchLink SynchLink Time Slave Time Slave Time Slave Time Slave 42980 S.L.N.C. = SynchLink Node Clock Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 24 Time Synchronization in the ControlLogix System System Synchronization When a SynchLink system is initialized, the individual SynchLink nodes power-up at separate times and the individual SynchLink node clocks begin to count at arbitrary points in time. When this occurs, the system is not yet synchronized.

  • Page 25: How Do The Cst Clock And Synchlink Node Clock Work Together

    Figure 2.4 Chassis A Chassis B Coordinated System Time Coordinated System Time 64-bit clock 1756-SYNCH SynchLink Node Clock 1756-SYNCH Clock SynchLink beacon over the fiber optic link Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 26: Configuring Time Mastership Functionality

    Time Synchronization in the ControlLogix System Configuring Time In the example shown in Figure 2.4, you configure time mastership for the system when initially configuring the module. In the “Module Mastership Functionality Properties” software screens, the “Time Mastership” tab offers you the option to select the 1756-SYNCH module as the CST Time Master for the chassis and the Time Master on SynchLink.
  • Page 27 CST reference value. Other modules that could be CST time masters are ControlLogix controllers and other 1756-SYNCH modules. Only one CST master can exist in a chassis at one time. For more information on configuring your SynchLink modules, see Chapter 5. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 28: What Are The Synchlink Configurations

    Time Synchronization in the ControlLogix System What are the SynchLink SynchLink communications are a unidirectional data transfer from one SynchLink node to another. Each configuration starts with a single Configurations? Master Node. The SynchLink network can be configured in the following ways.

  • Page 29: Daisy Chain Configuration

    SynchLink system clock. This process then propagates down the daisy chain until all nodes are synchronized with the Master. For an example of how to configure a Daisy Chain configuration, see Allen-Bradley Parts Appendix C. Publication 1756-UM521B-EN-P - September 2001...

  • Page 30: Ring Configuration

    2-10 Time Synchronization in the ControlLogix System Ring Configuration The ring configuration is a permutation of the daisy chain configuration. In the ring chain configuration, the SynchLink network starts and ends at the Master Node. You can include Center Nodes (shown in Figure ) in the configuration as needed.

  • Page 31: Cable Usage

    SynchLink System Overview, publication . Chapter Summary and In this chapter, you learned how the ControlLogix SynchLink module fits into the ControlLogix system. For more information on SynchLink What’s Next Module Features, see Chapter 3. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 32 2-12 Time Synchronization in the ControlLogix System Notes: Publication 1756-UM521B-EN-P - September 2001...

  • Page 33: Synchlink Module Features

    The following general module features are available with the ControlLogix SynchLink module: • Removal and Insertion Under Power (RIUP) • Module Fault Reporting • Fully Software Configurable • LED Status Information • Class I Division 2 Certification • Agency Certification Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 34: Removal And Insertion Under Power (Riup)

    SynchLink Module Features Removal and Insertion Under Power (RIUP) All ControlLogix SynchLink modules may be removed and inserted from the chassis while power is applied. This feature allows greater availability of the overall control system because, while the module is being removed or inserted, there is no additional disruption to the rest of the controlled process.

  • Page 35: Module Fault Reporting

    The following status can be checked with the LED indicators: • SynchLink and ControlLogix backplane status • Module health status For examples of LED indicators, see page 6-1. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 36: Class I Division 2 Certification

    SynchLink Module Features Class I Division 2 Certification The ControlLogix SynchLink module is certified for use in nonhazardous locations as well as Class I, Division 2 hazardous Locations containing gas groups A, B, C, and D. This equipment may be used as a component of a control system which is certified to operate in hazardous locations.

  • Page 37: Communications Format

    There are two types of tags: • Input Data Tags • Output Data Tags For a complete listing of all the module-defined data tags available on your SynchLink module, see Appendix E. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 38 SynchLink Module Features Multiple Port Communications Formats in Single Module You must set a communications format for receiving data (Receive Port Communications Format) and transmitting data (Transmit Port Communications Format) in each SynchLink module. The following requirements apply to communication format choices: •...
  • Page 39 For this reason, it is not recommended that a daisy chain configuration be used when distributing axis data among multiple axis in a distributed control system. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 40 SynchLink Module Features For more information on the available Receive Port and Transmit Port communication formats, see Table 3.A. Table 3.A SynchLink Module Receive Communications Formats Transfer Rate (across the fiber optic Receive Port Communications Format cable) for Each Data Type: Axis Data - Updated every 500 µ...

  • Page 41: Electronic Keying

    With ControlLogix SynchLink modules, the module can emulate older revisions. The module will accept the configuration if the controller’s major.minor revision is less than or equal to the physical module’s revision. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 42 3-10 SynchLink Module Features For example, if the configuration contains a major.minor revision of 2.7, the module inserted into the slot must have minor revision of 2.7 or higher for a connection to be made. We recommend using Compatible Match whenever possible.

  • Page 43: Requested Packet Interval

    Likewise, in the slave chassis, the RPI parameter does not affect the delivery of the axis data to the consuming processor. This data is produced at the coarse update rate established in the master chassis. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 44 3-12 SynchLink Module Features Buffered, Direct and Diagnostic Data - RPI Effect on Input Data (to the controller) The RPI is one of two mechanisms available through the 1756-SYNCH module to update the module’s input data onto the backplane. Input data is transferred from the SynchLink module to its owner-controller at the rate defined in the RPI.

  • Page 45: Synchlink Transmitted Axes

    If you do not know how to set-up remote axis data tags and account for them in the motion portion of your application, see the ControlLogix Motion Module Setup & Configuration User Manual, publication 1756-6.5.16. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 46: Transmitted Direct Words

    3-14 SynchLink Module Features Transmitted Direct Words The SynchLink module can transmit data from the following direct word sources: • Output Direct Words (0-3) • Received Direct Words (0-3) • Multiplier In initial configuration, you can choose the Transmitted Direct Words, but you must use ladder logic to move data to those locations in data type tags.
  • Page 47 Multiplier value = 1. The Transmitted Direct Words are configured on the following screen: Transmitted Direct Words Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 48: Cst And Synchlink Mastership

    3-16 SynchLink Module Features CST and SynchLink Mastership The SynchLink module can be configured for multiple mastership and slave roles in respect to the Coordinated System Time and the SynchLink. For more information on these roles, see Chapter 2, Time Synchronization in the ControlLogix System .

  • Page 49: Noting The Power Requirements

    2 sources of power from the backplane: Requirements • 1200mA at 5.1V dc • 3mA at 24V dc Add this current/power value (6.19W) to the requirements of all other modules in the chassis to prevent overloading the power supply. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 50: Installing The Module

    Installing the SynchLink Module Installing the Module You can install or remove the module while chassis power is applied. When you insert or remove the module while WARNING backplane power is on, an electrical arc can occur. This could cause an explosion in hazardous location installations.

  • Page 51: Connecting The Fiber Optic Cable

    2. Connect the fiber optic cables as shown below. Figure 4.1 31267 Do not look directly into the fiber ports or fiber ATTENTION cables. Light levels may cause damage to eyesight. The SynchLink module is a Class 1 LED product. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 52: Removing The Module

    Installing the SynchLink Module Table 4.A lists the possible connections that might be made to your 1756-SYNCH module and where to connect the fiber optic cable. Table 4.A Making Fiber Optic Cable Connections to the 1756-SYNCH Module If your 1756-SYNCH Make this fiber optic cable connection: module is configured to: transmit data only...

  • Page 53: Chapter Summary And What's Next

    3. Pull the module out of the chassis as shown. Figure 4.2 Locking tabs 20808-M Chapter Summary and In this chapter, you learned how to install the ControlLogix SynchLink module. For information about Configuring the SynchLink Module, What’s Next see Chapter 5. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 54 Installing the SynchLink Module Notes: Publication 1756-UM521B-EN-P - September 2001...

  • Page 55: Rslogix 5000 Configuration Software

    You must write configuration for each module because module Software position in the SynchLink system affects configuration. For example, if a SynchLink module is the Time Master for the system, it must be configured as such. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 56: Overview Of The Configuration Process

    Configuring the SynchLink Module Overview of the Figure 5.1 shows an overview of the configuration process: Configuration Process Figure 5.1 1. Choose a SynchLink configuration. Star Configuration Daisy Chain Configuration Ring Configuration 2. Create a new RSLogix 5000 project. 3. Add a Steps 2 - 5 must be SynchLink taken for every...

  • Page 57: Choose A Synchlink Configuration

    Star Configuration - See Appendix B for an example. ControlNet SynchLink 42747 Daisy Chain Configuration - See Appendix for an example. SynchLink ControlNet 42746 Ring Configuration - See Appendix D for an example. Allen-Bradley Parts 42748 SynchLink ControlNet Publication 1756-UM521B-EN-P - September 2001...

  • Page 58: Create A New Rslogix 5000 Project

    Configuring the SynchLink Module Create a New RSLogix 5000 Project 1. Use the File menu to create a new project. Choose a New project from the File menu. 2. Name the controller. E. Click here to use the A. This controller is a 1756-L1. new controller.

  • Page 59: Add A Synchlink Module

    B. Click on the right mouse button to display the menu. C. Select New Module Make sure the Major Revision number matches the label on the side of your module A. Select a 1756-SYNCH module B. Click here Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 60: Configure The Synchlink Module

    Configuring the SynchLink Module Configure the SynchLink Module 1. Use the new module creation wizard as shown below. A. Module name is D. Module slot Time_Master. number is 3. B. Receive Port Comm Format is No Receive Data. E. Electronic Keying C.
  • Page 61 If the module is not the Time Master of the chassis, it receives the CST timer value from the Click here to finish configuration. chassis backplane. For more information on Time Mastership, see Chapter 2. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 62: Download Configuration

    Configuring the SynchLink Module Download Configuration Download the configuration data. A. Click on the triangle to see the pull-down menu. B. Click on Download. RSLogix 5000 verifies the download process with this pop-up screen. Click here to download new data This completes the download process.

  • Page 63: Changing Configuration After Module Operation Has Begun

    A. Click on the triangle to see the pull-down menu. B. Click on Go Offline. 2. Access the module properties in RSLogix 5000. A. Right-click on the module to see the pull-down menu. B. Click on Properties. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 64: Chapter Summary And What's Next

    5-10 Configuring the SynchLink Module 3. Make the necessary changes. A. In this example, the Connection tab was accessed to change the RPI. B. Click on OK to make the changes.. Chapter Summary and In this chapter, you learned about the general configuration process.

  • Page 65: Using The Status Indicators

    During power up, an indicator test is done and the following occurs: • The "OK" indicator turns red for 1 second and then turns to flashing green if it has passed the self-test. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 66 Troubleshooting the SynchLink Module Use Table 6.A to troubleshoot your module. Table 6.A Troubleshooting the 1756-SYNCH Module This Means: Take this action: indicators: display: COMM Steady green The module is configured and None light operating properly. COMM 1. The module is not powered. 1.

  • Page 67: Using Rslogix 5000 To Troubleshoot The Module

    • Notification in the Tag Editor - General module faults are also reported in the Tag Editor. • Status on the Module Info Page Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 68 Warning signal - The module in slot 1 has a communications fault Fault message in status line Status section lists Major and Allen-Bradley None Minor Faults and the Internal Specialty I/O None...

  • Page 69: Determining Fault Type

    In this example, Error 16#0011 means Counter 0 was set to an invalid Operational Mode For a detailed listing of the possible faults, their causes and suggested solutions, see Module Table Faults in the online help. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 70: Using Diagnostic Counters

    Troubleshooting the SynchLink Module Using Diagnostic Counters The 1756-SYNCH module uses diagnostic counters; the counters contain additional information about the module. See Table 6.B for more information on the SynchLink module diagnostic counters. This information must be used in the Destination field of the Configuration pop-up screen (page 6-9).

  • Page 71: Message Instructions

    1 Right-click on the question mark (?) to see this pull-down menu. 2 Click here to Create a New Tag. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 72: Message Configuration

    Troubleshooting the SynchLink Module Fill in the following information when the New Tag pop-up screen appears: We suggest you name the tag to indicate what IMPORTANT module service the message instruction is sending. For example, the message instruction below is used to retrieve diagnostic counters, and the tag is named to reflect this.
  • Page 73 Number of Elements is 0 Instance Name is 1 Destination is a tag of Attribute name is 0 type DINT [5]. IMPORTANT: The data containted in this DINT is described in Table 6.B. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 74 6-10 Troubleshooting the SynchLink Module Communication Pop-Up Screen This pop-up screen provides information on the path of the message instruction. For example, the slot number of a 1756-SYNCH module distinguishes exactly which module a message is designated for. Use the Browse button to see a list of the I/O IMPORTANT modules in the system.

  • Page 75: Retrieving And Resetting Diagnostic Counters

    Source Source Length Destination Retrieve Diagnostic Counters Chapter Summary and In this chapter, you learned how to troubleshoot the ControlLogix SynchLink module. For information on the module specifications, see What’s Next Appendix A. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 76 6-12 Troubleshooting the SynchLink Module Notes: Publication 1756-UM521B-EN-P - September 2001...
  • Page 77 Listed Industrial Control Equipment (when product or Certified Process Control Equipment packaging is marked) Certified Class I, Division 2, Group A, B, C, D Marked for all applicable directives Marked for all applicable acts N223 Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 78 Specifications Notes: Publication 1756-UM521B-EN-P - September 2001...
  • Page 79 ControlNet as the Time Master for the SynchLink. SynchLink End Node End Node 42882 The SynchLink modules in these chassis are configured as the CST Time Masters and SynchLink Time Slaves. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 80: Using Remote Axis Control

    Configuring the Star Configuration Using Remote Axis Control Most applications using the ControlLogix SynchLink module use it for Remote Axis Control. You can use the SynchLink module to produce axes from a master chassis and broadcast the data to other chassis. Slave chassis consume the broadcast axis data and redistribute it to their local motion planners (i.e.
  • Page 81 E. Click here to use the A. This controller is a 1756-L1. new controller. B. This controller is named Time_Master_chassis. C. This controller is used in a 7-slot chassis. D. The controller slot number is 0. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 82 Configuring the Star Configuration Add a SynchLink Module 1. Select a SynchLink module as shown below. A. Select I/O Configuration. B. Click on the right mouse button to display the menu. C. Select New Module Make sure the Major Revision number matches the label on the side of your module...
  • Page 83 Axis tag. IMPORTANT: All produced tags must be checked as produced tags in the Tag Editor. For more information on accessing data tags, see Allen-Bradley Parts Appendix E. Click here to move to the next page Publication 1756-UM521B-EN-P - September 2001...
  • Page 84 Configuring the Star Configuration The Module Identification page is blank during initial configuration. Click here to move to the next page The module does not transmit any direct words because the Communications Format only calls for Axis data. Click here to move to the next page The module is configured as the Time Master for: •...
  • Page 85 A. Click on the triangle to see the pull-down menu. B. Click on Download. RSLogix 5000 verifies the download process with this pop-up screen. Click here to download new data This completes the download process. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 86: Configure Time Slave Chassis - End Node

    Configuring the Star Configuration Configure Time Slave Chassis - End Node CST Time You must complete the following tasks to configure the first time Slave Chassis slave chassis. • Create a New RSLogix 5000 Project • Add a SynchLink Module •...
  • Page 87 B. Click on the right mouse button to display the menu. C. Select New Module Make sure the Major Revision number matches the label on the side of your module A. Select a 1756-SYNCH module B. Click here Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 88 B-10 Configuring the Star Configuration Configure the SynchLink Module 1. Use the new module creation wizard as shown below. A. Module name is D. Module slot number SynchLink_Module_Slave. is 3 as shown in the graphic on page B-1. B. Receive Port Comm Format is 2 Axis to match the Transmit Port Comm Format of the E.
  • Page 89 E. Change the Data Type to Axis or Remote Tag Name other Consumed Axis, depending on your than Axis0 or Axis1, the version of RSLogix 5000. remote axis data will NOT be consumed. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 90 B-12 Configuring the Star Configuration 2. Create a new tag for Axis 1. The tag should look like the example below. F. Click on OK to create the new tag. A. Name the new tag. B. Change the Tag Type to Consumed.

  • Page 91: Configure Time Slave Chassis - End Node

    F. Click here to use the A. The controller is a 1756-L1. new controller. B. The controller is named Time_Slave_End_Node_2. C. The controller is used in a 7-slot chassis. D. The controller’s slot location is 0. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 92 B-14 Configuring the Star Configuration Add a SynchLink Module 1. Select a SynchLink module as shown below. A. Select I/O Configuration. B. Click on the right mouse button to display the menu. C. Select New Module Make sure the Major Revision number matches the label on the side of your module...
  • Page 93 CST time value with the CST Time Master. Allen-Bradley Parts Click here to finish configuration. This module does not transmit SynchLink axis or direct words so the screens shown on pages B-5 & B-6 are not used.
  • Page 94 B-16 Configuring the Star Configuration Create Axis Data Tags You must create axis data tags for the controller in this chassis to consume. The axis data is originally produced in the Time Master chassis and broadcast to SynchLink modules in other chassis over the fiber optic cable.
  • Page 95 (other than Axis0 or Axis1) the remote axis data will NOT be consumed. Download Configuration Download the configuration data. A. Click on the triangle to see the pull-down menu. B. Click on Download. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 96 B-18 Configuring the Star Configuration RSLogix 5000 verifies the download process with this pop-up screen. Click here to download new data This completes the download process. When all the chassis in the Star Configuration are configured and operating online (i.e. configuration was downloaded) the chassis synchronize with the CST Time Master.
  • Page 97 Master Node Center Node End Node as the Time Master for the for the SynchLink. SynchLink ControlNet 42883 The SynchLink modules in these chassis are configured as the CST Time Masters. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 98: Configure Time Master Chassis - Master Node

    Configuring the Daisy Chain Configuration Configure Time Master Chassis - Master Node Time Master Chassis You must complete the following tasks to configure the time master chassis. • Create a New RSLogix 5000 Project • Add a SynchLink Module • Configure the SynchLink Module ControlNet SynchLink –...
  • Page 99 B. Click on the right mouse button to display the menu. C. Select New Module Make sure the Major Revision number matches the label on the side of your module A. Select a 1756-SYNCH module B. Click here Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 100 Configuring the Daisy Chain Configuration Configure the SynchLink Module 1. Use the new module creation wizard as shown below. A. Module name is D. Module slot number Time_Master. is 3 as shown in the graphic on page C-1. B. Receive Port Comm Format is No Receive Data.
  • Page 101 Time Master of the chassis. If the module is not the Time Master of the chassis, it receives the CST timer value from the Click here to finish configuration. chassis backplane. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 102 Configuring the Daisy Chain Configuration Download Configuration Download the configuration data. A. Click on the triangle to see the pull-down menu. B. Click on Download. RSLogix 5000 verifies the download process with this pop-up screen. Click here to download new data This completes the download process.

  • Page 103: Configure Time Slave Chassis - Center Node

    F. Click here to use the A. The controller is a 1756-L1. new controller. B. The controller is named Time_Slave_Center_Node. C. The controller is used in a 7-slot chassis. D. The controller’s slot location is 0. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 104 Configuring the Daisy Chain Configuration Add a SynchLink Module 1. Select a SynchLink module as shown below. A. Select I/O Configuration. B. Click on the right mouse button to display the menu. C. Select New Module Make sure the Major Revision number matches the label on the side of your module...
  • Page 105 G. Click here after completing the information on this page. Requested Packet Interval = 20mS Click here to continue configuration. This module does not transmit any SynchLink axes. Allen-Bradley Parts Click here to move to the next page Publication 1756-UM521B-EN-P - September 2001...
  • Page 106 C-10 Configuring the Daisy Chain Configuration The Module Identification page is blank during initial configuration. Click here to move to the next page The module transmits 2 Direct Words, as specified in the transmit port communications format. The first Direct Word transmits the Multiplier value specifed in the Local:x:O.Multiplier data tag.
  • Page 107 A. Click on the triangle to see the pull-down menu. B. Click on Download. RSLogix 5000 verifies the download process with this pop-up screen. Click here to download new data This completes the download process. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 108: Configure Time Slave Chassis - End Node

    C-12 Configuring the Daisy Chain Configuration Configure Time Slave Chassis - End Node Time Slave Chassis You must complete the following tasks to configure the second Time Slave chassis. • Create a New RSLogix 5000 Project • Add a SynchLink Module •...
  • Page 109 B. Click on the right mouse button to display the menu. C. Select New Module Make sure the Major Revision number matches the label on the side of your module A. Select a 1756-SYNCH module B. Click here Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 110 C-14 Configuring the Daisy Chain Configuration Configure the SynchLink Module 1. Use the new module creation wizard as shown below. A. Module name is D. Module slot number Time_Slave_End_Node. is 3 as shown in the graphic on page C-1. B. Receive Port Comm Format is 2 Direct Words, 18 Buffered to match the upsteam device’s Transmit Port Comm Format.
  • Page 111 Time slave modules must be configured as Time Masters for their respective chassis if you want to synchronize the CST value in the local chassis with the system CST Time Master. Click here to finish configuration. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 112 C-16 Configuring the Daisy Chain Configuration Download Configuration Download the configuration data. A. Click on the triangle to see the pull-down menu. B. Click on Download. RSLogix 5000 verifies the download process with this pop-up screen. Click here to download new data This completes the download process.
  • Page 113 Master Node does not receive data. But in the Ring configuration, the Master Node receives data from the End Node. Make sure the Master Node’s receive port communications format matches the End Node’s transmit port communications format. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 114: Configure Time Master Chassis - Master Node

    Configuring the Ring Configuration Configure Time Master Chassis - Master Node Time Master Chassis You must complete the following tasks to configure the time master chassis. • Create a New RSLogix 5000 Project • Add a SynchLink Module • Configure the SynchLink Module ControlNet SynchLink 42989...
  • Page 115 B. Click on the right mouse button to display the menu. C. Select New Module Make sure the Major Revision number matches the label on the side of your module A. Select a 1756-SYNCH module B. Click here Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 116 Configuring the Ring Configuration Configure the SynchLink Module 1. Use the new module creation wizard as shown below. A. Module name is D. Module slot number Time_Master. is 3 as shown in the graphic on page D-1. B. Receive Port Comm Format is 2 Direct Words, 18 Buffered to match the end node’s Transmit E.
  • Page 117 Time Master of the chassis. If the module is not the Time Master of the chassis, it receives the CST timer value from the Click here to finish configuration. chassis backplane. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 118 Configuring the Ring Configuration Download Configuration Download the configuration data. A. Click on the triangle to see the pull-down menu. B. Click on Download. RSLogix 5000 verifies the download process with this pop-up screen. Click here to download new data This completes the download process.

  • Page 119: Configure Time Slave Chassis - Center Node

    F. Click here to use the A. The controller is a 1756-L1. new controller. B. The controller is named Time_Slave_Center_Node. C. The controller is used in a 7-slot chassis. D. The controller’s slot location is 0. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 120 Configuring the Ring Configuration Add a SynchLink Module 1. Select a SynchLink module as shown below. A. Select I/O Configuration. B. Click on the right mouse button to display the menu. C. Select New Module Make sure the Major Revision number matches the label on the side of your module...
  • Page 121 G. Click here after completing the information on this page. Requested Packet Interval = 20mS Click here to continue configuration. This module does not transmit any SynchLink axes. Allen-Bradley Parts Click here to move to the next page Publication 1756-UM521B-EN-P - September 2001...
  • Page 122 D-10 Configuring the Ring Configuration The Module Identification page is blank during initial configuration. Click here to move to the next page The module transmits 2 Direct Words, as specified in the transmit port communications format. The first Direct Word transmits the Multiplier value specifed in the Local:x:O.Multiplier data tag.
  • Page 123 A. Click on the triangle to see the pull-down menu. B. Click on Download. RSLogix 5000 verifies the download process with this pop-up screen. Click here to download new data This completes the download process. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 124: Configure Time Slave Chassis - End Node

    D-12 Configuring the Ring Configuration Configure Time Slave Chassis - End Node Time Slave Chassis You must complete the following tasks to configure the second Time Slave chassis. • Create a New RSLogix 5000 Project • Add a SynchLink Module 42991 •...
  • Page 125 B. Click on the right mouse button to display the menu. C. Select New Module Make sure the Major Revision number matches the label on the side of your module A. Select a 1756-SYNCH module B. Click here Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 126 D-14 Configuring the Ring Configuration Configure the SynchLink Module 1. Use the new module creation wizard as shown below. A. Module name is D. Module slot number Time_Center_Node. is 3 as shown in the graphic on page D-1. B. Receive Port Comm Format is 2 Direct Words, 18 Buffered to match the upstream node’s Transmit Port Comm Format.
  • Page 127 Time slave modules must be configured as Time Masters for their respective chassis if you want to synchronize the CST value in the local chassis with the system CST Time Master. Click here to finish configuration. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 128 D-16 Configuring the Ring Configuration Download Configuration Download the configuration data. A. Click on the triangle to see the pull-down menu. B. Click on Download. RSLogix 5000 verifies the download process with this pop-up screen. Click here to download new data This completes the download process.
  • Page 129 • Input Data Tags • Output Data Tags This appendix lists all the tags of each type, but the tags created by RSLogix 5000 varies according to the communications format chosen during initial module configuration. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 130: Appendix E Accessing The Tags

    Software Configuration Tags Accessing the Tags When you access tags, you have two options. You can: • monitor tags - option allows you to view tags and change their values • edit tags - option allows you to add or delete tags but not change values A.

  • Page 131: Input Data Tags

    0 = Another device is consuming the Axis0 data this module is producing or this module is not configured to produce Axis0 data. 1 = No device is configured to consume the Axis0 data this module produces. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...

  • Page 132: Output Data Tags

    Software Configuration Tags Table E.1 Input Data Tags Name Type: Definition: (x = module’s chassis slot location): Local.x.I.Axis1NoConsumer BOOL 0 = Another device is consuming the Axis1 data this module is producing or this module is not configured to produce Axis1 data. 1 = No device is configured to consume the Axis1 data this module produces.

  • Page 133: Publication 1756-Um521B-En-P - September

    Coordinated system time (CST) Clock that is used in: • all modules in a single ControlLogix chassis • all ControlLogix chassis in a distributed control system. The SynchLink system can synchronize this clock value across chassis. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 134 Glossary Daisy chain configuration SynchLink configuration that begins with a master node and ends at an end node. Center nodes may be used between the master and end in this configuration. Direct data Data delivered in a single message. A SynchLink message can allocate a maximum of four words.
  • Page 135 The controller that creates and stores the primary configuration and communication connection to a module. Receive port communications format The communications format used in a ControlLogix SynchLink module for all data the module receives on its fiber optic receive port. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 136 Glossary Remote axis data Motion data used by the motion planner in the controller. The 1756-SYNCH module can consume an Axis tag from a controller and pass it over SynchLink. A controller in another chassis can then consume axis tags passed over SynchLink from the 1756-SYNCH module in that chassis.
  • Page 137 A ControlLogix process that stamps a change in input data with a time reference of when the change occurred. Transmit port communications format The communications format used in a ControlLogix SynchLink module for all data the module transmits on its fiber optic transmit port. Allen-Bradley Parts Publication 1756-UM521B-EN-P - September 2001...
  • Page 138 Glossary Notes: Publication 1756-UM521B-EN-P - September 2001...
  • Page 139 D-9, D-14 1-2, 2-9, 5-3, Daisy Chain Configuration Choosing a minor revision in 5-6, B-5, B-10, RSLogix 5000 Data Transmissions B-15, C-4, C-9, C-14, D-4, Data transferred by the SynchLink Allen-Bradley Parts D-9, D-14 module Publication 1756-UM521B-EN-P - September 2001...
  • Page 140 Index 2-11, 4-3 Data Transmissions (continued) Fiber Optic Cables Receive port communications format Making connections to the SynchLink 5-6, B-5, B-10, B-15, C-4, module C-9, C-14, D-4, D-9, D-14 To use with the SynchLink module Transmit port communications format 5-6, B-5, B-10, B-15, C-4, C-9, C-14, D-4, D-9, D-14 Data Types Axis data...
  • Page 141 5-4, B-3, B-8, Creating a new project Major revision B-13, C-2, C-7, C-12, D-2, Minor revision D-7, D-12 Product type 5-8, B-7, Download configuration Vendor B-12, B-17, C-6, C-11, Allen-Bradley Parts C-16, D-6, D-11, D-16 Publication 1756-UM521B-EN-P - September 2001...
  • Page 142 Index RSLogix 5000 (continued) SynchLink System Error/fault reporting System time 5-7, B-6, C-5, Fault reporting SynchLink Time Master 5-6, B-5, B-10, Naming a module B-15, C-4, C-9, C-14, D-4, D-9, D-14 6-11 Resetting diagnostic counters Time Master Revision information 5-4, 5-7, B-1, In ControlLogix system Serial number B-2, B-3, B-6, C-1, C-2,...
  • Page 143 ___Yes, please call me ___Yes, please email me at __________________________ ___Yes, please contact me via ________________________ Return this form to: Allen-Bradley Marketing Communications, 1 Allen-Bradley Dr., Mayfield Hts., OH 44124-9705 Allen-Bradley Parts Phone: 440-646-3176 Fax: 440-646-3525 Email: RADocumentComments@ra.rockwell.com Publication ICCG-5.21- January 2001...
  • Page 144 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 1 ALLEN-BRADLEY DR MAYFIELD HEIGHTS OH 44124-9705...
  • Page 145 Allen-Bradley Parts...
  • Page 146 Publication 1756-UM521B-EN-P - September 2001 PN 957626-23 Supersedes Publication 1756-UM521A-EN-P - August 2001 Copyright © 2001 Rockwell Automation. All rights reserved. Printed in the U.S.A.

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