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Allen-Bradley AB QUALITY ControlLogix 1756 Series User Manual

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Allen-Bradley
User Manual
ControlLogix Gateway
System
(Cat. No. 1756 series)

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Summary of Contents for Allen-Bradley AB QUALITY ControlLogix 1756 Series

  • Page 1 Allen-Bradley User Manual ControlLogix Gateway System (Cat. No. 1756 series)
  • Page 2 Since there are many variables and requirements associated with any particular installation, Allen-Bradley does not assume responsibility or liability (to include intellectual property liability) for actual use based upon the examples shown in this publication.
  • Page 3 EN 61131-2 Programmable Controllers, Part 2 - Equipment Requirements and Tests. For specific information required by EN 61131-2, see the appropriate sections in this publication, as well as the Allen-Bradley publication Industrial Automation Wiring and Grounding Guidelines For Noise Immunity, publication 1770-4.1.
  • Page 4 Preface Using This Manual This preface explains how to use this manual most effectively. For information about: See page: who should use this manual P–1 the purpose of this manual P–1 where to find more information P–2 common techniques used in this manual P–3 Rockwell Automation support P–4...
  • Page 5 Getting Results With RSLogix5 9399-RL53GR RSLinx Lite RSLinx Lite User’s Guide 9399-WAB32LUG grounding and wiring Allen-Bradley Allen-Bradley Programmable Controller Wiring and 1770-4.1 programmable controllers Grounding Guidelines TCP/IP protocol and networking in general Comer, Douglas E., Internetworking with TCP-IP, Volume 1: Protocols and Architecture , 2nd ed.
  • Page 6 Common Techniques Used in The following conventions are used throughout this manual: This Manual • Bulleted lists provide information, not procedural steps. • Numbered lists provide sequential steps or hierarchical information. • Text in indicates words or phrases you should type, bold font programming windows, and menu selections.
  • Page 7 Publication Problem Report (at the back of this manual). If you have any suggestions about how we can make this manual more useful to you, please contact us at the following address: Rockwell Automation, Allen-Bradley Company, Inc. Control and Information Group Technical Communication...

  • Page 8: Table Of Contents

    Table of Contents Chapter 1 Overview About the Applications ....... . . 1-1 What You Need to Do .
  • Page 9 Chapter 6 Initiate DH+ to DH+ What You Need To Do ....... . . 6-1 Verify the 1756-DHRIO Module Node Addresses.
  • Page 10 Chapter 11 Troubleshoot the System Verify the Module Hardware ......11-1 Verify the Communication Links ......11-2 Verify the Routing Tables .

  • Page 11: About The Applications

    Chapter Overview This manual is designed to provide you with enough information to get your ControlLogix Gateway system up and running. Use this manual if you are knowledgeable about ControlLogix Gateway products, but need information about integrating the products in a system. The information provided is an overview;...

  • Page 12: What You Need To Do

    Overview What You Need to Do Here’s an example of the type of system you’ll be creating: Set up the hardware (Chapter 2) ControlLogix Gateway Set up the software (Chapter 3) DH+ network ControlNet network Enter the basic ladder program Ethernet network (Chapter 4) ControlNet...

  • Page 13: Understanding How Routing Tables Are Used

    Overview Understanding How Routing In some of the example applications, you will need to use routing tables to route messages between the PLC-5/40C processors if you include a Tables Are Used 1756-DHRIO module in the path. Important: You only need to create a routing table if the message path includes a 1756-DHRIO module.
  • Page 14 Chapter Set Up the Hardware In this chapter, you’ll set up a basic ControlLogix Gateway system that contains all of the main components you’ll need to complete each example application. In the following chapters, you’ll modify the connections within this system to initiate various types of communication. Here’s an example of the type of system you’ll set up.

  • Page 15: Set Up The Personal Computer

    Set Up the Hardware Set Up the Personal Computer Install the 1784-KTX Card Set the interrupt jumpers on the communication KTX Card SW3 SW4 card (IRQ5 in this example). Set the switches on the card. CH2 CH1 (D700 in this example) Remember to record the 1784-KTX address: Channel 1 Address:_________________________ Insert the communication interface card into a...

  • Page 16: Configure The Plc-5 Processors

    Set Up the Hardware Configure the PLC-5 Processors Define the DH+ station address of channel 1A by setting switch assembly SW-1 on the back of the processor. (See the side of the processor if you want Locking Bar to use another address.) side view of processor Lift Ejector Tab PLC-5/40C Processor...

  • Page 17: Install And Ground Each Chassis

    Set Up the Hardware Install and Ground Each Chassis Enclosure Grounding Electrode Conductor Ground Bus To Grounding Electrode System Functional Ground Keep wire length as short as possible. Safety Ground Safety Ground Terminal Stud To Ground Bus M4 or M5 (#10 or #12) flat or star washer Stationary Nut M4 or M5 (#10 or #12) Phillips...

  • Page 18: Install The Controllogix Power Supply

    Set Up the Hardware Install the ControlLogix Power Supply If you are using a series A power supply only, set the line voltage jumper as shown on page 3 of the ControlLogix Power Supplies Installation Instructions, publication number 1756-5.1. Align the circuit board of the power supply with the card guides on the left side of the chassis.

  • Page 19: Connect Power

    Set Up the Hardware Connect Power 1756-PA72 L1 - high side of line power L2/N - low side of line power AC Input Power Supply ATTENTION: Make sure the chassis is mounted and all panel 1756-PB72 fabrication is complete before you Use #14 AWG 75C copper wire.

  • Page 20: Install The Communication Modules

    Set Up the Hardware Install the To complete all of the example applications, you will need to install two of each of the following modules. Communication Modules Install the Data Highway Plus Communication Modules Set the network type and node address switches. Important: For the series A release of the module, you must select the DH+ network type (position 0) for both channels.
  • Page 21 Set Up the Hardware Install the module. Install the module in any slot. EXAMPLE To complete the example applications as described in the following chapters, modify your system as shown in the Align the circuit board with top and system diagram on the first page of bottom guides in the chassis each example chapter (chapters 5 through 10).
  • Page 22 Set Up the Hardware Wire the connectors to the module channels. Pin Assignments for Wiring Label Channel A and B DH+ Connectors Pin Number: Description: Clear 6 3 1 Shield Blue RIO/DH+ Port Pinout DH+ CLR SHLD Blue RIO Blue SHILD CLR 1756-DHRIO Connect the module to the 1784-KTX card in the PC workstation.

  • Page 23: Install The Ethernet Communication Modules

    2-10 Set Up the Hardware Install the Ethernet Communication Modules Install the modules. Install the module in any slot. To complete the example applications EXAMPLE as described in the following chapters, modify your system as shown in the Align the circuit board with top and system diagram on the first page of bottom guides in the chassis.
  • Page 24 Connect to the Ethernet network. For this connection, you can use either a twisted pair cable connection (RJ45 connector) to a hub or an AUI cable (we recommend Allen-Bradley catalog numbers 1756-TC02 or TC15) connected to a transceiver for media other than twisted pair (i.e., fiber or thickwire).

  • Page 25: Install The Controlnet Communication Modules

    2-12 Set Up the Hardware Install the ControlNet Communication Modules Set the node address switches on the 1756-CNBR or -CNB module. side of module top of module This modules’s network address is 23. Valid addresses are 01 to 99. Install the module. ATTENTION: Do not force the module into the backplane connector.
  • Page 26 Set Up the Hardware 2-13 Connect the module to the network. The following figure shows an example of how to connect to the ControlNet network. 1756-CNBR ControlNet node (in 1756-A4 chassis) ControlNet link ControlNet node Publication 1756-6.5.13 - September 1999...

  • Page 27: Install The Software

    Chapter Set Up the Software Install the software (page 3-1). Configure the communication cards (page 3-2). Start the configuration software (page 3-2). Install the Software Install RSLogix5, RSLinx, and ControlLogix Gateway Configuration software as follows: Install the software: To use these software packages, you need: For each of the three software packages: -computer with a Pentium 166 MHz or greater processor a.

  • Page 28: Configure The Communication Drivers

    Set Up the Software Configure the Start the software: Communication Drivers a. From the Start menu, select Programs. b. Select Rockwell Software > RSLinx > RSLinx. c. From the Communications menu, select Configure Drivers. Configure the KTX driver: a. Select the 1784-KT/KTX(D)/PKTX(D) driver from the pull-down list and click on Add/New.

  • Page 29: Start Rslogix5 Software

    Chapter Enter the Basic Ladder Program In this chapter, you enter a PLC-5 ladder program that sends the value of the Start RSLogix5 software processor’s internal seconds timer using a message instruction. You will use (page 4-1). this message instruction in the example applications to communicate between processors.

  • Page 30: Enter The Ladder Logic

    Enter the Basic Ladder Program Enter the Ladder Logic Enter the following ladder logic. Open a new program file. Use the options on the user toolbar to enter the example program. With RXLogix5 software: click here use these tabs to display to create a different categories of instructions new rung...

  • Page 31: Chapter 5 What You Need To Do

    Chapter Initiate DH+ to DH+ Communication Via a Single Gateway Module What You Need To Do In this application you send a message from one PLC-5/40C processor to another PLC-5/40C processor. Change your existing system to the following configuration. Verify the 1756-DHRIO module 1756-DHRIO Module node addresses (page 5-1).

  • Page 32: Test The Ktx Driver And System Hardware Setup

    Initiate DH+ to DH+ Communication Via a Single Gateway Module Test the KTX Driver and System Hardware Setup Start the RSLinx software. From the Communications menu in RSLinx, select RSWho: a. Select the 1756-DHRIO module from the AB_KT-1 driver. Drill down the backplane until you see the channel A and channel B configurations displayed.

  • Page 33: Configure The Routing Table In The 1756-Dhrio Module

    Initiate DH+ to DH+ Communication Via a Single Gateway Module Configure the Routing Table in the 1756-DHRIO Module Start the configuration software: a. From the Windows NT Start menu, select Programs. b. Select ControlLogix Gateway > 1756gtwy. Edit the routing table: a.
  • Page 34 Initiate DH+ to DH+ Communication Via a Single Gateway Module d. Double-click on the 1756-DHRIO module and enter the following link IDs: Channel A Link 100 Channel B Link 101 e. Click on OK. The routing table configuration should now appear as follows: f.

  • Page 35: Test The Application

    Initiate DH+ to DH+ Communication Via a Single Gateway Module Test the Application To test the application, send a message from one PLC-5/40C processor to the other PLC-5/40C processor. Start the RSLogix5 software: a. From the Windows NT Start menu, select Programs. b.
  • Page 36 Initiate DH+ to DH+ Communication Via a Single Gateway Module c. Enter the following configuration. This PLC-5: Communication Command PLC-5 Typed Write Data Table Address S:23 Size in Elements Port Number Target Devices: This is the node number of the Data Table Address N7:0 1756-DHRIO module on the local link.
  • Page 37 Initiate DH+ to DH+ Communication Via a Single Gateway Module The RSWho window will appear. c. Drill down the tree and double-click on the PLC-5/40C processor at node 10. d. When the System Communications tab reappears, click on the Download button. Disregard any warnings about Control Net devices.
  • Page 38 Initiate DH+ to DH+ Communication Via a Single Gateway Module The System Options window will appear with the System Communications tab open. c. Select AB_KT-1 as the Driver and click on Who Active. The RSWho window will appear. d. Drill down the tree and double-click on the PLC-5/40C processor at node 1.
  • Page 39 Initiate DH+ to DH+ Communication Via a Single Gateway Module f. If no program is loaded in the PLC-5/40C processor, a pop-up window will appear with the message “You cannot go Online to DEFAULT program.” Enter a new processor name of your choice (e.g., “Receiver”) and click on OK.

  • Page 40: Chapter 6 What You Need To Do

    Chapter Initiate DH+ to DH+ Communication Via Two Gateway Modules What You Need To Do In this application, you will establish communication between the two PLC-5/40C processors over two 1756-DHRIO modules. Change your existing system to the following configuration. Verify the 1756-DHRIO module PC Workstation node addresses (page 6-1).

  • Page 41: Test The Ktx Driver And System Hardware Setup

    Initiate DH+ to DH+ Communication Via Two Gateway Modules Test the KTX Driver and System Hardware Setup Start the RSLinx software. From the Communications menu in RSLinx, select RSWho. a. Select the AB_KT-1 driver. Drill down until you see the 1756-DHIO modules in slots 1 and 3 displayed.

  • Page 42: Configure The Routing Table In The 1756-Dhrio Modules

    Initiate DH+ to DH+ Communication Via Two Gateway Modules Configure the Routing Table in the 1756-DHRIO Modules Start the configuration software: a. From the Windows NT Start menu, select Programs. b. Select ControlLogix Gateway > 1756gtwy. Edit the routing table: a.
  • Page 43 Initiate DH+ to DH+ Communication Via Two Gateway Modules The following pop-up window will appear. g. Select another 1756-DHRIO module and click on OK. The Add Module pop-up window will appear. h. Add the 1756-DHRIO module in slot 3 to the routing table by entering the following information.
  • Page 44 Initiate DH+ to DH+ Communication Via Two Gateway Modules The following pop-up window will appear. k. Click on Select All, then Apply to download the routing table to both of the 1756-DHRIO modules. It is not necessary to save the configuration to a file. Verify the configuration: a.

  • Page 45: Test The Application

    Initiate DH+ to DH+ Communication Via Two Gateway Modules If the PLC-5/40C processors do not appear, then verify the switch settings in the 1756 DHRIO modules and PLC-5/40C processors and check that the cables are properly connected. If you are still experiencing difficulty, reconfigure the routing table as described previously.
  • Page 46 Initiate DH+ to DH+ Communication Via Two Gateway Modules c. Enter the following configuration. This PLC-5: Communication Command PLC-5 Typed Write Data Table Address S:23 Size in Elements Port Number Target Devices: This is the node number of the Data Table Address N7:0 1756-DHRIO module on the local link.
  • Page 47 Initiate DH+ to DH+ Communication Via Two Gateway Modules The RSWho window will appear. c. Drill down the tree and double-click on the PLC-5/40C processor at node 10. d. When the System Communications tab reappears, click on the Download button. Disregard any warnings about Control Net devices.
  • Page 48 Initiate DH+ to DH+ Communication Via Two Gateway Modules The System Options window will appear with the System Communications tab open. c. Select the AB_KT-1 Driver and click on Who Active. The RSWho window will appear. d. Drill down the tree and double-click on the PLC-5/40C processor at node 1.
  • Page 49 6-10 Initiate DH+ to DH+ Communication Via Two Gateway Modules f. If no program is loaded in the PLC-5/40C processor, a pop-up window will appear with the message “You cannot go Online to DEFAULT program.” Enter a new processor name of your choice (e.g., “Receiver”) and click on OK.

  • Page 50: Chapter 7 What You Need To Do

    Chapter Initiate Ethernet to DH+ Communication What You Need To Do In this application, you will establish communication between the PC workstation and the PLC-5/40C processor bridging across Ethernet and DH+. Change your existing system to the following configuration. Verify the communication driver PC Workstation configurations (page 7-1).

  • Page 51: Test The Ktx Driver And System Hardware

    Initiate Ethernet to DH+ Communication Test the KTX Driver and System Hardware Start the RSLinx software. From the Communications menu in RSLinx, select RSWho: a. Select the AB_KT-1 driver. Drill down until you see the 1756-DHIO module in slot 1 and the 1756-ENET module in slot 2. Expand the view to verify the channel A and channel B configurations.

  • Page 52: Configure The Communication Modules

    Initiate Ethernet to DH+ Communication Configure the Communication Modules Start the configuration software: a. From the Windows NT Start menu, select Programs. b. Select ControlLogix Gateway > 1756gtwy. Configure the Ethernet module: a. From the File menu in the configuration software, select Browse Network.
  • Page 53 Initiate Ethernet to DH+ Communication Configure the routing table in the 1756-DHRIO module: a. From the File menu in the configuration software, select Browse Network. b. Select the AB_KT_1 Data Highway Plus driver and double-click on the 1756-DHRIO module. c. Select the Routing Table Configuration tab. If you have previously configured any routing tables, click on Restore Defaults to remove the configuration and restore the default values.
  • Page 54 Initiate Ethernet to DH+ Communication The routing table configuration should now appear as shown below: e. Click on Apply to download the routing table to the 1756-DHRIO module. It is not necessary to save the configuration to a file. Verify the configuration: a.

  • Page 55: Connect To The Plc-5/40C Processor

    Initiate Ethernet to DH+ Communication Connect to the PLC-5/40C Processor Connect to the PLC-5/40C processor at node 10 to upload or download programs or to go on line with the processor. Start the RSLogix5 software: a. From the Windows NT Start menu, select Programs. b.
  • Page 56 Initiate Ethernet to DH+ Communication The RSWho window will appear. e. Drill down through the TCP-1 Ethernet driver and double-click on the PLC-5/40C processor. f. When the System Communications tab reappears, click on the Online button. g. If no program is loaded in the PLC-5/40C processor, a pop-up window will appear with the message “You cannot go Online to DEFAULT program.”...

  • Page 57: Chapter 8 What You Need To Do

    Chapter Initiate ControlNet to ControlNet Communication What You Need To Do In this chapter, you will establish communication between two PLC-5/40C processors, bridging over two ControlNet networks. Change your existing system to the following configuration. PC Workstation Verify the communication module (DH+ node 0) node addresses (page 8-2).

  • Page 58: Verify The Communication Module Node Addresses

    Initiate ControlNet to ControlNet Communication Verify the Communication Module Node Addresses Verify that the node addresses for the 1756-CNB modules are 11 and 12 as shown. Verify that the channel A node address for the 1756-DHRIO module is 3 as shown. Verify the PLC-5/40C Processor Node Addresses Verify that the ControlNet node addresses for the PLC-5/40C processors are 1 and 2 as shown.

  • Page 59: Routing Table Considerations

    Initiate ControlNet to ControlNet Communication c. If you do not see the correct display, check the faceplate indicators to ensure the DHRIO and CNB modules are functioning properly. Verify that the modules and cables are properly connected and that the switch settings on the modules are correct.
  • Page 60 Initiate ControlNet to ControlNet Communication c. Select the General tab (default). This message writes the value of the seconds clock (S:23) in the PLC-5/40C at node 1 into data file N7:0 of the PLC-5/40C processor at node 2. d. Enter the following configuration: This PLC-5: Communication Command PLC-5 Typed Write...
  • Page 61 Initiate ControlNet to ControlNet Communication e. Select the MultiHop tab. f. Enter the following MultiHop configuration: From Device From Port To Address Type To Address For older releases of RSLogix5 This PLC5 1756-CNB Node (dec): software (no multihop function) Control Logix Backplane 1756 Backplane Slot (dec): the path of “11 3 2”...

  • Page 62: Test The Application

    Initiate ControlNet to ControlNet Communication Test the Application To test the application, download the program to the PLC-5/40C processor at ControlNet node 1 to send the message to the PLC-5/40C processor at node 2. Download the program to the PLC-5/40C processor at ControlNet node 1: a.
  • Page 63 Initiate ControlNet to ControlNet Communication The RSWho window will appear. c. Drill down the tree and double-click on the PLC-5/40C processor at ControlNet node 1. d. When the System Communications tab reappears, click on the Download button. Disregard any warnings about Control Net devices. e.
  • Page 64 Initiate ControlNet to ControlNet Communication Verify the communications to the PLC-5/40C processor at ControlNet node 2: a. Start a new session of RSLogix5 software. b. From the Comms menu in RSLogix5, select System Comms. The System Options window will appear with the System Communications tab open.
  • Page 65 Initiate ControlNet to ControlNet Communication e. When the System Communications tab reappears, click on the Online button. f. If no program is loaded in the PLC-5/40C processor, a pop-up window will appear with the message “You cannot go Online to DEFAULT program.”...

  • Page 66: Chapter 9 What You Need To Do

    Chapter Initiate DH+ to DH+ Communication With an Ethernet Backbone What You Need To Do In this application, you will establish communication between two PLC-5/40C processors over two DH+ gateways using an Ethernet backbone. Change your existing system to the following configuration: Verify the communication driver PC Workstation (DH+ node 0)

  • Page 67: Test The Ktx Diver And System Hardware Setup

    Test the KTX Diver and System Hardware Setup Start the RSLinx software. From the Communications menu in RSLinx, select RSWho: a. Select the AB_KT-1 driver. Drill down until you see the 1756-DHIO module in slot 0 and the 1756-ENET module in slot 2. Expand the view to verify the channel A and channel B configurations.

  • Page 68: Configure The Communication Modules In The Left Chassis

    Configure the Communication Modules in the Left Chassis Start the configuration software: a. From the Windows NT Start menu, select Programs. b. Select ControlLogix Gateway > 1756gtwy. Configure the Ethernet module in the left chassis: a. From the File menu in the configuration software, select Browse Network.
  • Page 69 e. Enter the following configuration: IP Address 130.130.130.1 Subnet Mask 255.255.0.0 Gateway Address 0.0.0.0 Enable Bootp Unchecked (disabled) f. Click on Apply to download the configuration to the module. You need to configure a routing table Configure the routing table in the 1756-DHRIO module in the left to specify the path from the left chassis: PLC-5/40C processor to the right...
  • Page 70 The Edit Module pop-up window will appear. e. Enter the following link IDs and click on OK: Channel A Link 10 Channel B Link 20 f. Right click on Backplane [Link Undefined]. g. Select Add Module. h. Select 1756-ENET and click on OK. i.
  • Page 71 k. Select Add Module. l. Select 1756-ENET and click on OK. You select this to include the 1756-ENET module in the right chassis in the routing table. In the next section we describe how to configure the 1756-ENET module in the right chassis.
  • Page 72 You should now see the following completed routing table: r. Click on Apply to download the routing table to the 1756-DHRIO module. s. Close the Gateway configuration software. It is not necessary to save the configuration to a file. You now need to configure the 1756-ENET module in the right chassis. To do this, connect your PC (KTX card) to node 3 (channel A) of the 1756-DHRIO module in the right chassis.

  • Page 73: Configure The Communication Modules In The Right Chassis

    Configure the Communication Modules in the Right Chassis Start the configuration software: a. From the Windows NT Start menu, select Programs. b. Select ControlLogix Gateway, select 1756gtwy. Configure the Ethernet module in the right chassis: a. From the File menu in the configuration software, select Browse Network.
  • Page 74 e. Enter the following configuration: IP Address 130.130.130.2 Subnet Mask 255.255.0.0 Gateway Address 0.0.0.0 Enable Bootp Unchecked (disabled) f. Click on Apply to download the configuration to the module. You need to configure a routing table Configure the routing table in the 1756-DHRIO module in the right to specify the path from the right chassis: PLC-5/40C processor to the left...
  • Page 75 9-10 The Edit Module pop-up window will appear. e. Enter the following link IDs and click on OK: Channel A Link 30 Channel B Link 40 f. Right click on Backplane [Link Undefined]. g. Select Add Module. h. Select 1756-ENET and click on OK. i.

  • Page 76: Enter The Following Link Ids And Click On Ok

    9-11 k. Select Add Module. l. Select 1756-ENET and click on OK. The Add Module pop-up window You select this to include the 1756-ENET module in the left will appear. chassis in the routing table. m. Enter the following configuration and click on OK: IP Address 130.130.130.1 Link ID...
  • Page 77 9-12 You should now see the following completed routing table: r. Click on Apply to download the routing table to the 1756-DHRIO module. s. Close the configuration software. It is not necessary to save the configuration to a file. Replace the cables to reflect the system drawing shown on the first page of this chapter.
  • Page 78 9-13 Your display should appear similar to that below. You should see the PLC-5/40C processor at node 10 connected to channel B of the left DHRIO module and the PLC-5/40C processor at node 1 connected to channel A of the right DHRIO module. If the PLC-5/40 processors do not appear, then verify the switch settings in the 1756 DHRIO modules and PLC-5/40 processors and check that the cables are properly connected.

  • Page 79: Test The Application

    9-14 Test the Application Start the RSLogix5 software: a. From the Windows NT Start menu, select Programs. b. Select Rockwell Software > RSLogix5 English. Double-click on: Verify the PLC-5 Processor Connected to the Right Chassis is Active: c. From the Comms menu in RSLogix5, select System Comms. The System Options window will appear with the System Communications tab open.
  • Page 80 9-15 The RSWho window will appear. e. Drill down the tree and double-click on the PLC-5/40C processor in the right chassis at DH+ node 1. f. When the System Communications tab reappears, click on the Online button. g. If no program is loaded in the PLC-5/40C processor, a pop-up window will appear with the message “You cannot go Online to DEFAULT program.”...
  • Page 81 9-16 Load the example program: a. Start another session of RSLogix5. b. From the File menu, open the program “example.” See page 4-2. c. In the MSG instruction, double-click on Setup Screen. This message reads the value of the seconds clock (S:23) in the PLC-5/40C processor in the right chassis into data file N7:0 of the PLC-5/40C processor in the left chassis.
  • Page 82 9-17 Download the program to the PLC-5/40C processor at DH+ node 10: a. From the Comms menu in RSLogix5 select System Comms The System Options window will appear with the System Communications tab open. b. Select the AB_KT-1 Driver and click on Who Active. The RSWho window will appear: c.
  • Page 83 9-18 Disregard any warnings about Control Net devices. e. Save the program if prompted. f. Go Online and change the processor mode to Run. g. Double-click on N7 in the data file list. You should see the following screen: Verify that this value is being updated. When you see N7:0 being updated at one second intervals the message from the PLC-5/40C processor in the right chassis is being read successfully by the PLC-5/40C processor in the left chassis.

  • Page 84: What You Need To Do

    Chapter Initiate ControlNet to DH+ Communication With an Ethernet Backbone What You Need To Do In this application, you will establish communication from one PLC-5/40C on a ControlNet network to another PLC-5/40C on a DH+ network, bridging across ControlNet, Ethernet, and DH+ networks. Change your existing system to the following configuration: Verify the communication driver PC Workstation...

  • Page 85: Test The Ktx Driver And System Hardware Setup

    10-2 Initiate ControlNet to DH+ Communication With an Ethernet Backbone Test the KTX Driver and System Hardware Setup Start the RSLinx software. a. From the Communications menu in RSLinx, select RSWho: b. Select the AB_KT-1 driver. Drill down until you see the 1756-DHIO module in slot 0 and the 1756-ENET module in slot 2.

  • Page 86: Configure The Communication Modules In The Left Chassis

    Initiate ControlNet to DH+ Communication With an Ethernet Backbone 10-3 Configure the Communication Modules in the Left Chassis Start the configuration software: a. From the Windows NT Start menu, select Programs. b. Select ControlLogix Gateway > 1756gtwy. Configure the Ethernet module in the left chassis: a.
  • Page 87 10-4 Initiate ControlNet to DH+ Communication With an Ethernet Backbone e. Enter the following configuration: IP Address 130.130.130.1 Subnet Mask 255.255.0.0 Gateway Address 0.0.0.0 Enable Bootp Unchecked (disabled) f. Click on Apply to download the configuration to the module. You need to configure a routing table Configure the routing table in the 1756-DHRIO module in the left to specify the path from the left chassis:...

  • Page 88: Slot Number Link Id Of Ethernet

    Initiate ControlNet to DH+ Communication With an Ethernet Backbone 10-5 The Edit Module pop-up window will appear. e. Enter the following link IDs and click on OK: Channel A Link 10 Channel B Link 20 f. Right click on Backplane [Link Undefined]. g.

  • Page 89: Right Click On Enet [Link 100] In The Routing Table

    10-6 Initiate ControlNet to DH+ Communication With an Ethernet Backbone j. Right click on ENET [Link 100] in the routing table. k. Select Add Module. l. Select 1756-ENET and click on OK. You select this to include the 1756-ENET module in the right chassis in the routing table.
  • Page 90 Initiate ControlNet to DH+ Communication With an Ethernet Backbone 10-7 You should now see the following completed routing table: r. Click on Apply to download the routing table to the 1756-DHRIO module. s. Close the Gateway configuration software. It is not necessary to save the configuration to a file. Next, you need to configure the 1756-ENET module in the right chassis.

  • Page 91: Configure The 1756-Enet Module In The Right Chassis

    10-8 Initiate ControlNet to DH+ Communication With an Ethernet Backbone Configure the 1756-ENET Module in the Right Chassis Start the configuration software: a. From the Windows NT Start menu, select Programs. b. Select ControlLogix Gateway, select 1756gtwy. Configure the IP address: a.
  • Page 92 Initiate ControlNet to DH+ Communication With an Ethernet Backbone 10-9 e. Enter the following configuration: IP Address 130.130.130.2 Subnet Mask 255.255.0.0 Gateway Address 0.0.0.0 Enable Bootp Unchecked (disabled) f. Click on Apply to download the configuration to the module. Now replace the cables to reflect the system drawing shown on the first page of this chapter.

  • Page 93: Test The Application

    10-10 Initiate ControlNet to DH+ Communication With an Ethernet Backbone Test the Application Start the RSLogix5 software: a. From the Windows NT Start menu, select Programs. b. Select Rockwell Software > RSLogix5 English Double-click on: Verify the PLC-5 Processor at ControlNet Node 1 is Active: c.
  • Page 94 Initiate ControlNet to DH+ Communication With an Ethernet Backbone 10-11 The RSWho window will appear. e. Drill down the tree and double-click on the PLC-5/40C processor at ControlNet node 1. f. When the System Communications tab reappears, click on the Online button.
  • Page 95 10-12 Initiate ControlNet to DH+ Communication With an Ethernet Backbone Load the example program: a. Start another session of RSLogix5. b. From the File menu, open the program “example.” See page 4-2. c. In the MSG instruction, double-click on Setup Screen. The MSG window will appear with the General tab open.
  • Page 96 Initiate ControlNet to DH+ Communication With an Ethernet Backbone 10-13 Download the program: a. From the Comms menu in RSLogix5 select System Comms. The System Options window will appear with the System Communications tab open. b. Select the AB_KT-1 Driver and click on Who Active. The RSWho window will appear: c.
  • Page 97 10-14 Initiate ControlNet to DH+ Communication With an Ethernet Backbone e. Save the program if prompted. f. Go Online and change the processor mode to Run. g. Double-click on N7 in the data file list. You should see the following screen: Verify that this value is being updated.

  • Page 98: Troubleshoot The System

    Chapter Troubleshoot the System Verify the module hardware (page 11-1). Verify the communication links (page 11-2). Verify the routing tables (page 11-2). If all else fails... (page 11-2). Verify the Module Hardware Check each module’s hardware to ensure it is what you expect. Specifically, verify the following: Are they all powered? Are the switch settings correct? Was the module correctly...

  • Page 99: Verify The Communication Links

    11-2 Troubleshoot the System Verify the Communication 1. Perform an RSWho to determine which devices are on line. Links 2. Examine the diagnostic counters. If you notice CRC errors, they might indicate noise or intermittent connection problems. 3. Verify that each link is properly terminated. Verify the Routing Tables Compare your routing table with those shown in the example applications.

  • Page 100: Index

    Index about the applications 1-1 entering the ladder logic program 4-1 audience P-1 to 4-2 Ethernet card installation 2-2 Ethernet driver backplane switches 2-3 configuration 3-2 Ethernet to DH+ communication 7-1 to 7-7 chassis installation and grounding 2-4 example system 2-1 comments P-4 common techniques used in this manual P-3...
  • Page 101 verifying 11-2 KTX communication card 2-2 RSLogix5 software 4-1 to 4-2 KTX driver configuration 3-2 setting backplane switches 2-3 ladder logic program setting module node numbers 1-3 entering 4-1 to 4-2 setting up the hardware 2-1 to 2-13 link numbers 1-3 software setup 3-1 to 3-2 local product support P-4 suggestions P-4...
  • Page 102 What is unclear? Sequence What is not in the right order? Other Comments Use back for more comments. Your Name Location/Phone Return to: Marketing Communications, Allen-Bradley., 1 Allen-Bradley Drive, Mayfield Hts., OH 44124-6118Phone:(440) 646-3176 FAX:(440) 646-4320 Publication I1756-6.5.13- September 1999 PN 955133-91...
  • Page 103 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 104 Back Cover Publication 1756-6.5.13 - September 1999 PN 955133-91 Supersedes Publication 1756-6.5.13 - July 1998 ©1999 Rockwell International Corporation. Printed in the U.S.A.

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