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Allen-Bradley ControlLogix 1756-DH485 User Manual

Dh-485 communication module
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Summary of Contents for Allen-Bradley ControlLogix 1756-DH485

  • Page 1 ControlLogix DH-485 Communication Module 1756-DH485 User Manual...

  • Page 2: Important User Information

    The first line of trademarks is an example; the brand or product name changes according to publication but the rest of the line should remain the same. The second line should be used exactly as listed below in any case where it applies. Allen-Bradley, ControlLogix, and RSLinx are trademarks of Rockwell Automation, Inc. Trademarks not belonging to Rockwell Automation are property of their respective companies.

  • Page 3: Table Of Contents

    Table of Contents Important User Information ....... . 1-2 Purpose of This Manual....... Preface-i Preface Who Should Use This Manual.
  • Page 4 Table of Contents Chapter 3 Introduction ..........3-1 Use Data Highway 485 Network What Is Data Highway 485? .
  • Page 5 Table of Contents Chapter 6 Introduction ..........6-1 Communicate Between SLC SLC 5/04 Controller Sends a Remote Message .
  • Page 6 Table of Contents Chapter 10 Introduction ..........10-1 Communicate from a Logix Hardware Configuration .

  • Page 7: Preface

    Preface This manual describes how to understand, configure, and troubleshoot your Purpose of This Manual ControlLogix Data Highway 485 communication interface module. This manual also provides step-by-step procedures on how to use the 1756-DH485 module to send DH-485 messages between ControlLogix, PLC, and SLC controllers in DH-485 applications.
  • Page 8 Preface Notes: Publication 1756-UM532A-EN-P - May 2006...

  • Page 9: 1756-Dh485 Module Overview

    Chapter 1756-DH485 Module Overview This chapter describes the 1756-DH485 module, and what you must know and Introduction do before you begin to use it. What the Module Does Module Requirements Module Features Prevent Electrostatic Discharge Removal and Insertion Under Power Typical Applications Remote Messaging Routing Limitations...

  • Page 10: Module Features

    1756-DH485 Module Overview The 1756-DH-485 module offers the following features: Module Features • Sends messages between devices on DH-485 networks and devices on other networks such as ControlNet, EtherNet/IP, or other DH-485 networks • Bridges support to other NetLinx networks via the CLX gateway •...

  • Page 11: Prevent Electrostatic Discharge

    1756-DH485 Module Overview External Features of the 1756-DH485 Module Alphanumeric Door Backplane Status Indicator Label Connector Channel Module Status Indicators Channel A Connector Channel B Connector 43842 The DH-485 module is sensitive to electrostatic discharge. Prevent Electrostatic Discharge This equipment is sensitive to electrostatic discharge, which ATTENTION can cause internal damage and affect normal operation.

  • Page 12: Removal And Insertion Under Power

    1756-DH485 Module Overview You can install or remove the module while chassis power is applied if you Removal and Insertion observe the following precautions. Under Power When you insert or remove the module while backplane WARNING power is on, an electrical arc can occur. This could cause an explosion in hazardous location installations.

  • Page 13: Typical Applications

    1756-DH485 Module Overview The first example is a typical gateway application connecting multiple networks Typical Applications together. In this example you can: • upload and download SLC 500 and Panelview display programs. • seamlessly communicate between SLC controllers. • connect multiple DH-485 networks together for inter-network communications, for example, messages between SLC 5/03 controllers.
  • Page 14 1756-DH485 Module Overview The second example shows how you can connect or migrate a legacy system to a new installation with RSLogix software. • Connect multiple DH-485 networks together for inter-network communications. • Message between SLC 5/03 controllers. • Provide connection to other NetLinx networks. •...

  • Page 15: Remote Messaging

    1756-DH485 Module Overview The configuration of remote messaging is similar to data highway remote I/O Remote Messaging (DHRIO). It is achieved through routing table functions and module configuration. The multi-hop functionality is available in RSLogix 5 and 500 (version 6.3 or later) Remote Upload and Download You can bridge EtherNet/IP and ControlNet networks to a DH-485 network using the 1756-DH485 module...

  • Page 16: Routing Limitations

    1756-DH485 Module Overview The 1756-DH485 module can route a message through up to four Routing Limitations communications networks and three chassis. This limit applies only to the routing of a message and not to the total number of networks or chassis in a system.

  • Page 17: Alphanumeric Indicators

    1756-DH485 Module Overview Alphanumeric Indicators When you apply power to the module, the alphanumeric display begins to cycle through the following sequence. 1. All LEDs flash on then off -CHA, CHB OK 2. OK displays red then changes to green. 3.
  • Page 18 1-10 1756-DH485 Module Overview Notes: Publication 1756-UM532A-EN-P - May 2006...

  • Page 19: Overview Of The Dh-485 Network

    Chapter Overview of the DH-485 Network The information in this chapter will help you plan, install, and operate devices Introduction on a DH-485 network. This chapter also contains information that describes the DH-485 network functions, network architecture, and performance characteristics. DH-485 Network Description DH-485 Network Protocol DH-485 Token Rotation...

  • Page 20: Dh-485 Network Protocol

    Overview of the DH-485 Network The protocol used to control message transfers on the DH-485 network supports two classes of devices: initiators and responders. All initiators on the network get a chance to initiate message transfers. To determine which initiator has the right to transmit, a token passing algorithm is used. A node holding the token is able to transmit a configurable number of DH-485 Network Protocol message packets (plus two retries) onto the network before having to pass the...

  • Page 21: Devices That Use The Dh-485 Network

    Overview of the DH-485 Network Presently, the following SLC 500 devices support the DH-485 network: Devices that Use the DH-485 Network Devices that Use the DH-485 Network Catalog Number Description Installation Function Publication Requirement 1756-DH485 ControlLogix DH485 ControlLogix Bridge DH485 messages in ControlLogix. 1756-UM532 Communication Chassis...

  • Page 22: 1747-Aic Isolated Link Coupler For Dh-485

    Overview of the DH-485 Network Devices that Use the DH-485 Network Catalog Number Description Installation Function Publication Requirement DTAM Plus and Panel Mount Provides electronic operator interface for SLC 500 2707-800, 2707-L8P1 DTAM Micro controllers. 2707-803 2707-L8P2 Operator 2707-L40P1 Interfaces 2707-L40P2 2707-V40P1 2707-V40P2...
  • Page 23 Overview of the DH-485 Network You can also use the isolated link coupler to provide connectivity between devices for distances greater than 1.8 m (6 ft) up to a maximum of 1219 m (4000 ft). Below is an example of a remote connection between a computer running your programming software and an SLC 500 controller.

  • Page 24: 1761-Net-Aic Advanced Interface Converter Product Overview

    Overview of the DH-485 Network The AIC+ advanced interface converter provides a communication link 1761-NET-AIC Advanced between various networks devices. Ports 1, 2, and 3 are used for making the Interface Converter Product communication connections. The AIC+ is compatible with a variety of SLC Overview and MicroLogix controllers and the 1756-DH485 communications module.

  • Page 25: Node Address Identification

    Overview of the DH-485 Network Node Address Identification There is no node Port 2 Node Address address associated (The node address is with the network port configured in the device (Port 3). connected to Port 2.) Port 1 Node Address (The node address Use this write-on area is configured in the...

  • Page 26: Example System Configuration

    Overview of the DH-485 Network Below is an example of a DH-485 network. Example System Configuration Example DH-485 Network System Configuration Personal Computer Personal Computer SLC 5/03, 5/04, or 5/05 Modular Controller SLC 500 20-Point Fixed Controller with 2-Slot Expansion Chassis 1747-UIC Interface Converter...

  • Page 27: Channel 0 For Dh-485

    Overview of the DH-485 Network Configure the SLC 5/03, SLC 5/04, and SLC 5/05 Controller Channel 0 for DH-485 The RS-232 port (channel 0) of the SLC 5/03, SLC 5/04, and SLC 5/05 controllers can be configured for DH-485 protocol. You can connect channel 0 of the SLC 5/03, SLC 5/04, and SLC 5/05 controllers to a DH-485 network using the 1747-CP3 cable and a 1761-NET-AIC Advanced Interface Converter (AIC+).

  • Page 28: Important Planning Considerations

    2-10 Overview of the DH-485 Network Carefully plan your network configuration before installing any hardware. Important Planning Listed below are some of the factors that can affect system performance: Considerations • Amount of electrical noise, temperature, and humidity in the network environment •...
  • Page 29 Overview of the DH-485 Network 2-11 Plan Cable Routes Follow these guidelines to help protect the communication cable from electrical interference: • Keep the communication cable at least 1.52 m (5 ft) from any electric motors, transformers, rectifiers, generators, arc welders, induction furnaces, or sources of microwave radiation.

  • Page 30: Software Considerations

    2-12 Overview of the DH-485 Network Software Considerations Software considerations include the configuration of the network and the parameters that can be set to the specific requirements of the network. The following are major configuration factors that have a significant effect on network performance: •...

  • Page 31: Additional Resources

    Overview of the DH-485 Network 2-13 Maximum Node Address Setting The maximum node address parameter should be set as low as possible. This minimizes the amount of time used in soliciting successors when initializing the network. If all nodes are addressed in sequence from 0, and the maximum node address is equal to the address of the highest addressed node, the token rotation will improve by the amount of time required to transmit a solicit successor packet plus the slot timeout value.
  • Page 32 2-14 Overview of the DH-485 Network Notes: Publication 1756-UM532A-EN-P - May 2006...
  • Page 33 Chapter Use Data Highway 485 Network This chapter describes the basics of the Data Highway 485 system and the Introduction operation of a DH-485 network. What Is Data Highway 485? Two Methods of Communication Over a DH-485 Network Use DH-485 Messaging Configuration Information in DH-485 Messaging 3-11 Application Timeout...

  • Page 34: Link Design

    Use Data Highway 485 Network Link Design When you design your DH-485 link, you should use good design practices, including laying out the link before installation. We also recommend you consider the following when designing your DH-485 link: • All performance requirements •...

  • Page 35: Use Dh-485 Messaging

    Use Data Highway 485 Network DH-485 Messaging offers the following benefits: Use DH-485 Messaging • You can send messages between devices on the same link. • You can send messages between devices on different links. DH-485 messaging is divided into two types: •...
  • Page 36 Use Data Highway 485 Network This figure shows an SLC controller sending a local message to Channel A on the 1756-DH485 module. Because the controller slot for Channel A is configured to 0, the message is forwarded to the ControlLogix controller in slot 0.

  • Page 37: Limitations Of Local Dh-485 Messaging

    Use Data Highway 485 Network Limitations of Local DH-485 Messaging When using Local DH-485 Messaging, you must remember: • the DH-485 message contains only a node ID for a node on the DH-485 network. • a local DH-485 message sent to the node ID of a port on the 1756-DH485 module is forwarded to a single user-configured controller slot.
  • Page 38 Use Data Highway 485 Network This figure shows an example of remote DH-485 messaging between SLC/03 (or later) controller A and SLC 5/03 (or later) controller B. In this example, the following information must be included in the remote DH-485 message routing message instruction: •...
  • Page 39 Use Data Highway 485 Network The message originates on the source network. The destination network is the message’s target network. This applies to all source and destination networks, including DH-485, ControlNet, EtherNet/IP, and a ControlLogix chassis backplane. For remote DH-485 messaging, the ControlLogix chassis IMPORTANT backplane should be considered a separate, independent network.
  • Page 40 Use Data Highway 485 Network Programming Message Block Instructions in a Controller for Remote DH-485 Messaging Before programming your message block instructions in your controller, you must: • determine which links will send and receive remote DH-485 messaging. • draw a network to make sure you meet the design requirements for remote DH-485 messaging.
  • Page 41 Use Data Highway 485 Network The following table lists what the controllers are capable of on DH-485. Controllers and the Types of Messaging Capable on a DH-485 Network Controller Respond to Initiate Local Respond to Initiate Messaging Local DH-485 DH-485 Remote Remote DH-485...
  • Page 42 3-10 Use Data Highway 485 Network Limitations of Remote DH-485 Messaging Remote DH-485 messages are encapsulated in CIP messages and sent on CIP connections when they are sent across ControlNet, EtherNet/IP, and the ControlLogix chassis backplane. Although this is transparent to the user, there are resource limits associated with CIP on the 1756-DH485 module.

  • Page 43: Configuration Information In Dh-485 Messaging

    Use Data Highway 485 Network 3-11 When you are doing DH-485 messaging, you must first set up the Configuration Information 1756-DH485 module configuration. The following configuration information in DH-485 Messaging is stored in the non-volatile (NVS) memory on your 1756-DH485 module when you configure the module using RSLinx software.

  • Page 44: Application Timeout

    3-12 Use Data Highway 485 Network When an error occurs while sending a message to a remote link, it appears to Application Timeout the sending station as an application timeout because error messages are not routed back. When an error occurs during routing, it may be dropped. For example, if an SLC 5/03 controller sends a message to another SLC 5/03 controller, and the second SLC 5/03 controller’s buffers are full, three things happen:...

  • Page 45: Example Dh-485 Network Routing Configuration

    Use Data Highway 485 Network 3-13 The Example of DH-485 Routing Configuration figure below shows an Example DH-485 Network example DH-485 routing configuration. All node numbers on DH-485 are Routing Configuration given in decimal. Node numbers on ControlNet and slot numbers in ControlLogix chassis are given in decimal.

  • Page 46: Use The Common Industrial Protocol (Cip) Messaging

    3-14 Use Data Highway 485 Network Common Industrial Protocol (CIP) is the communication mechanism on Use the Common Industrial ControlLogix chassis, ControlNet, and EtherNet/IP networks with the Protocol (CIP) Messaging Encapsulation Protocol (EPIC) protocol. Like DH-485 messaging, CIP supports communication between devices on the same link and physically separate links.

  • Page 47: Chapter 4 Introduction

    Chapter Use RSLinx Software to Create a Routing Table This chapter describes how to configure your 1756-DH485 module in Introduction DH-485 applications. For more information on the configuration software, refer to the online help in each. Choose the Correct Software Use RSLinx Software to Create a Routing Table Create the Routing Table...

  • Page 48: What Is A Routing Table

    Use RSLinx Software to Create a Routing Table DH-485 protocols do not use the Common Industrial Protocol (CIP), the Use RSLinx Software to communication protocol used in the ControlLogix architecture. The Create a Routing Table 1756-DH485 module is the transition point from the DH-485 network to ControlLogix.

  • Page 49: Create The Routing Table

    Use RSLinx Software to Create a Routing Table To create a routing table for your application, follow these steps: Create the Routing Table 1. Start RSLinx. 2. Browse the network. 3. Right-click on the 1756-DH485 module. 4. Use the left-side navigation bar to see your DH-485 application, as shown in the example below.
  • Page 50 Use RSLinx Software to Create a Routing Table 5. Select the DH-485 Routing Table tab. You must build the routing table based on the 1756-DH485 modules in the ControlLogix chassis. Each link ID (for example: chassis backplane, channels A and B of any 1756-DH485 module in the chassis) is initially undefined.
  • Page 51 Use RSLinx Software to Create a Routing Table 6. You must assign link IDs, as shown below. A.Right-click on the 1756-DH485 module. B.Click Edit Module. C. Assign Link IDs and click OK. Keep track of your Link ID assignments. You need the IMPORTANT Link ID values when you send messages via RSLogix 500 and RSLogix 5000 software.
  • Page 52 Use RSLinx Software to Create a Routing Table The 1756-DH485 routing table displays with the link IDs defined. Publication 1756-UM532A-EN-P - May 2006...
  • Page 53 Use RSLinx Software to Create a Routing Table 7. Assign a Link ID for the chassis backplane. A.Right-click on the Backplane. B.Click Edit Module. C. Assign Link IDs and click OK. 8. Click OK The software prompts you to download routing table changes. 9.

  • Page 54: Set The Controller Slot

    Use RSLinx Software to Create a Routing Table Set the Controller Slot Setting the controller slot location creates a simple way for the SLC controllers to exchange data with the ControlLogix controller as long as the SLC controller is on the same DH-485 network as the module. The SLC controller can use local messaging to send data to a ControlLogix controller with this feature.

  • Page 55: Chapter 5 Introduction

    Chapter Communicate from an SLC 5/03 Controller to a Logix Controller over a DH-485 Network This chapter describes how to set up the communications initiated by an SLC Introduction 5/03 controller through a 1756-DH485 module to a 1756-Lx controller. Hardware Configuration Use the Controller Slot to Route the Local Message 5-3 Create a Local Message in RSLogix 500 Configure the Message...

  • Page 56: Hardware Configuration

    Communicate from an SLC 5/03 Controller to a Logix Controller over a DH-485 Network In this hardware configuration, the communications are initiated by an SLC Hardware Configuration 5/03 controller. The message is sent to a 1756-DH485 module and the 1756-Lx controller is located in slot 11. Communications Between an SLC 5/03 Controller and a 1756-DH485 Module 1756--L1 Controller 1756-DH485...

  • Page 57: Use The Controller Slot To Route The Local Message

    Communicate from an SLC 5/03 Controller to a Logix Controller over a DH-485 Network When a local DH485 message is received, the message will automatically be Use the Controller Slot to routed to the controller based on the configured slot number. In this case, the Route the Local Message 1756-Lx controller is in slot 11.

  • Page 58: Create A Local Message In Rslogix 500

    Communicate from an SLC 5/03 Controller to a Logix Controller over a DH-485 Network This is an example of a local message being initiated by the SLC 5/03 Create a Local Message in controller. RSLogix 500 Publication 1756-UM532A-EN-P - May 2006...

  • Page 59: Configure The Message

    Communicate from an SLC 5/03 Controller to a Logix Controller over a DH-485 Network This is the Setup dialog for the example message. Configure the Message Publication 1756-UM532A-EN-P - May 2006...

  • Page 60: Create A Logic Map For The Local Message In Rslogix 5000 Software

    Communicate from an SLC 5/03 Controller to a Logix Controller over a DH-485 Network You must logically map the SLC data address to the ControlLogix tag. To get Create a Logic Map for the to the Logix Map in RSLogix 5000 software go to: Logic > Map PLC/SLC Local Message in RSLogix Messages.
  • Page 61 Chapter Communicate Between SLC Controllers over DH+ and DH485 Networks This chapter describes how to set up the message communications between Introduction two SLC controllers. SLC 5/04 Controller Sends a Remote Message Hardware Configuration Create the Routing Table in RSLinx Software Create a Message in RSLogix 500 Configure the Message SLC 5/03 Controller Sends a Remote Message...

  • Page 62: Slc 5/04 Controller Sends A Remote Message

    Communicate Between SLC Controllers over DH+ and DH485 Networks In this example an SLC 5/04 controller initiates a remote message and sends it SLC 5/04 Controller Sends a to an SLC 5/03 Controller. Remote Message Hardware Configuration In this hardware configuration, an SLC 5/04 controller sends a remote message to an SLC 5/03 controller.

  • Page 63: Create The Routing Table In Rslinx Software

    Communicate Between SLC Controllers over DH+ and DH485 Networks Create the Routing Table in RSLinx Software These are the routing tables needed for the example configuration. This is the routing table for the 1756-DH485 module. In this example, the: • SLC 5/04 controller is on the DH+ network.

  • Page 64: Configure The Slc 5/03 Controller Channel 1 Link Id

    Communicate Between SLC Controllers over DH+ and DH485 Networks Configure the SLC 5/03 Controller Channel 1 Link ID The SLC 5/03 remote link ID needs to be programmed to match the link IDs configured into the 1756-DH485 module. These are labeled in the channel configuration as the Channel 1 Passthru Link ID.

  • Page 65: Configure The Slc 5/04 Channel 1 Link Id

    Communicate Between SLC Controllers over DH+ and DH485 Networks Configure the SLC 5/04 Channel 1 Link ID The SLC 5/04 controller remote link ID needs to be programmed to match the link IDs configured into the 1756-DH485 module. These are labeled in the channel configuration as the Channel 1 Passthru Link ID.

  • Page 66: Create A Message In Rslogix 500

    Communicate Between SLC Controllers over DH+ and DH485 Networks Create a Message in RSLogix 500 This is the message for the example configuration. Click Setup Screen to configure the message Publication 1756-UM532A-EN-P - May 2006...

  • Page 67: Configure The Message

    Communicate Between SLC Controllers over DH+ and DH485 Networks Configure the Message This is the Setup dialog for the example message. The SLC 5/04 controller connects to a 1756-DHRIO module at node 56 octal or 46 decimal. The SLC 5/04 controller sends a remote message to the SLC 5/03 controller that is on a DH485 network.

  • Page 68: Slc 5/03 Controller Sends A Remote Message

    Communicate Between SLC Controllers over DH+ and DH485 Networks In this example an SLC 5/03 controller initiates a remote message and sends it SLC 5/03 Controller Sends a to an SLC 5/04 controller. Remote Message Hardware Configuration In this hardware configuration, an SLC 5/03 controller initiates a message to an SLC 5/04 controller on a DH-485 network.

  • Page 69: Create The Routing Table In Rslinx Software

    Communicate Between SLC Controllers over DH+ and DH485 Networks Create the Routing Table in RSLinx Software These are the routing tables needed for the example configuration. In this example, the: • SLC 5/03 controller is connected to Channel A of the 1756-DH485 module.

  • Page 70: Create A Remote Message In Rslogix 500

    6-10 Communicate Between SLC Controllers over DH+ and DH485 Networks Create a Remote Message in RSLogix 500 This is the example message for the hardware configuration. Click on Setup Screen to configure the message. Publication 1756-UM532A-EN-P - May 2006...

  • Page 71: Configure The Message

    Communicate Between SLC Controllers over DH+ and DH485 Networks 6-11 Configure the Message This is the Setup Screen for the example message. In this example, the SLC 5/03 controller is connected to Channel A of the 1756-DH485 module. The 1756-DH485 node address on the DH-485 network is node 0.
  • Page 72 6-12 Communicate Between SLC Controllers over DH+ and DH485 Networks Notes: Publication 1756-UM532A-EN-P - May 2006...

  • Page 73: Chapter 7 Introduction

    Chapter Communicate Between a PLC-5 Controller and a Remote SLC 5/03 Controller over Multiple DH-485 Networks This chapter describes how to set up the communications for a remote PLC-5 Introduction controller to send a message to a remote SLC 5/03 controller over multiple DH-485 Networks.
  • Page 74 Communicate Between a PLC-5 Controller and a Remote SLC 5/03 Controller over Multiple DH-485 Networks In this hardware configuration, a remote PLC-5 controller sends a message to Hardware Configuration an SLC 5/03 controller. Communications Between a PLC-5 and a Remote SLC 5/03 Controller on a DH-485 Network 1756-DH485 1756-DHRIO ControlLogix Controller...

  • Page 75: Create The Routing Table

    Communicate Between a PLC-5 Controller and a Remote SLC 5/03 Controller over Multiple DH-485 Networks These are the routing tables for the message in the example configuration. Create the Routing Table This is the routing table for the 1756-DH485 module. This is the routing table for the 1756-DHIRO module.

  • Page 76: Configure The Plc-5 Dh+ Channel 1A Link Id

    Communicate Between a PLC-5 Controller and a Remote SLC 5/03 Controller over Multiple DH-485 Networks Configure the PLC-5 DH+ Channel 1A Link ID The PLC-5 DH+ Channel 1A Link ID needs to be configured. This is an example of the channel properties. This is an example of a remote message for the example configuration.

  • Page 77: Configure The Message

    Communicate Between a PLC-5 Controller and a Remote SLC 5/03 Controller over Multiple DH-485 Networks This is the Setup dialog for the message in the example configuration. Configure the Message Publication 1756-UM532A-EN-P - May 2006...
  • Page 78 Communicate Between a PLC-5 Controller and a Remote SLC 5/03 Controller over Multiple DH-485 Networks Notes: Publication 1756-UM532A-EN-P - May 2006...

  • Page 79: Chapter 8 Introduction

    Chapter Communicate from an SLC 5/05 Controller to an SLC 5/03 Controller over an EtherNet/IP Network This chapter describes the communications from an SLC 5/05 controller to an Introduction SLC 5/03 controller over an EtherNet/IP network. Hardware Configuration Create a Message in RSLogix 500 Configure the Message Review the Multihop Feature in RSLogix 500 The examples use SLC 5/05 controllers to send DH-485...
  • Page 80 Communicate from an SLC 5/05 Controller to an SLC 5/03 Controller over an EtherNet/IP Network In this hardware configuration, an SLC 5/05 controller communicates to an Hardware Configuration SLC 5/03 controller over an EtherNet/IP network. • The SLC 5/05 controller initiates a message. (1) •...

  • Page 81: Create A Message In Rslogix 500

    Communicate from an SLC 5/05 Controller to an SLC 5/03 Controller over an EtherNet/IP Network This is the message for the example configuration. Click on Setup Screen to Create a Message in configure the message. RSLogix 500 Click on Setup Screen to configure the message.

  • Page 82: Configure The Message

    Communicate from an SLC 5/05 Controller to an SLC 5/03 Controller over an EtherNet/IP Network This is the setup screen for the example configuration. Configure the Message In this example, the: • The SLC 5/05 controller on an EtherNet/IP network with it’s IP address at 100.100.100.8.

  • Page 83: Review The Multihop Feature In Rslogix 500

    Communicate from an SLC 5/05 Controller to an SLC 5/03 Controller over an EtherNet/IP Network The multihop feature of RSLogix 500 takes care of routing this remote Review the Multihop message. No routing table is required. Feature in RSLogix 500 This is the multihop dialog for the example configuration.
  • Page 84 Communicate from an SLC 5/05 Controller to an SLC 5/03 Controller over an EtherNet/IP Network Notes: Publication 1756-UM532A-EN-P - May 2006...

  • Page 85: Chapter 9 Introduction

    Chapter Communicate to a SLC 5/03 Controller on a DH-485 Network This chapter describes how to configure remote CIP communication from a Introduction 1756-L55 controller to an SLC 5/03 controller through DH+ and DH485 networks. Hardware Configuration Create a Message in RSLogix 5000 Configure the Message The examples use the 1756-DH485 module to initiate the IMPORTANT...
  • Page 86 Communicate to a SLC 5/03 Controller on a DH-485 Network In this hardware configuration, the ControlLogix controller initiates a CIP Hardware Configuration message from the 1756-DHRIO module to an SLC 5/03 controller located on a DH-485 network. ControlLogix 1756-DHRIO Controller DH+ Network 1756-DHRIO ControlLogix...

  • Page 87: Create A Message In Rslogix 5000

    Communicate to a SLC 5/03 Controller on a DH-485 Network This is the message for the example configuration. Create a Message in RSLogix 5000 Click to configure the message. Publication 1756-UM532A-EN-P - May 2006...

  • Page 88: Configure The Message

    Communicate to a SLC 5/03 Controller on a DH-485 Network These are the configuration dialogs for the example message. Configure the Message Data table memory is in the SLC 5/03 controller. The message is coming from the ControlLogix controller. Destination storage is in the 1756-L55 controller.

  • Page 89: Chapter 10 Introduction

    Chapter Communicate from a Logix Controller to an SLC 5/03 Controller over EtherNet/IP and DH-485 Networks This chapter describes how to set up communication from a Logix controller Introduction to an SLC controller over an EtherNet/IP network. Hardware Configuration 10-2 Create a Remote 1756-ENBT Message in 10-3 RSLogix 5000...

  • Page 90: Hardware Configuration

    10-2 Communicate from a Logix Controller to an SLC 5/03 Controller over EtherNet/IP and DH-485 Networks In this hardware configuration, a Logix controller communicates to an SLC Hardware Configuration 5/03 controller over EtherNet/IP. • The 1756-ENBT module to communicate to a remote 1756-ENBT module over the EtherNet/IP network backplane •...

  • Page 91: Create A Remote 1756-Enbt Message In Rslogix 5000

    Communicate from a Logix Controller to an SLC 5/03 Controller over EtherNet/IP and DH-485 Networks 10-3 This is an example remote 1756-ENBT message. Create a Remote 1756-ENBT Message in RSLogix 5000 Click the button to configure the message. Configure the message. Publication 1756-UM532A-EN-P - May 2006...

  • Page 92: Configure The Message

    10-4 Communicate from a Logix Controller to an SLC 5/03 Controller over EtherNet/IP and DH-485 Networks This dialog shows example values on the Configuration tab for the remote Configure the Message message. Message Type: SLC Typed Write Source Element: interger_slc_dh485[20] Make sure you specify the starting array element, for example [20].
  • Page 93 Communicate from a Logix Controller to an SLC 5/03 Controller over EtherNet/IP and DH-485 Networks 10-5 This is the Communication tab for the remote message. Path Item Description series_A This means go to the backplane to slot 5 where the 1756-ENBT named Series_A is located.
  • Page 94 10-6 Communicate from a Logix Controller to an SLC 5/03 Controller over EtherNet/IP and DH-485 Networks Notes: Publication 1756-UM532A-EN-P - May 2006...
  • Page 95 Appendix Specifications ControlLogix DH-485 Communications Module 1756-DH485 Attribute Value Module Location ControlLogix chassis Maximum Backplane 850 mA @ +5.1V dc and 1.7mA @ 24V dc Current Load from I/O chassis backplane Power Dissipation 4.5 W Thermal Dissipation, Max 15.4 BTU/hr Isolation Voltage Tested to withstand 750V dc for 60 s Available Communication Rates...
  • Page 96 Specifications Environmental Specifications Attribute Value EFT/B Immunity IEC 61000-4-4: +/-2 kV at 5 kHz on communications ports Surge Transient Immunity IEC 61000-4-5: +/-1 kV line-earth (CM) on communications ports Conducted RF Immunity IEC 61000-4-6: 10 Vrms with 1 kHz sine-wave 80%AM from 150 kHz...80 MHz Magnetic Field Immunity IEC 61000-4-8: 30 A/m at 50 Hz...

  • Page 97: Appendix B Introduction

    Appendix Troubleshoot the 1756-DH485 Module This chapter describes diagnostics and methods of troubleshooting the Introduction module. Check Power Supply and Module Status Interpret the LED Status Indicators Interpret the Alphanumeric Indicators Interpret the OK Status Indicator Routing Errors in DH-485 Messaging When you apply power to the module, three events take place simultaneously.

  • Page 98: Interpret The Led Status Indicators

    Troubleshoot the 1756-DH485 Module If the alphanumeric indicator on the 1756-DH485 module does not cycle through these messages when you apply power, refer to the following table and to the troubleshooting section that follows. Power Cycle Indicators If the POWER Power Supply Recommended Action Indicator is...

  • Page 99: Interpret The Alphanumeric Indicators

    Troubleshoot the 1756-DH485 Module Your 1756-DH485 module displays alphanumeric codes that provide Interpret the Alphanumeric diagnostic information about your module. The alphanumeric display flashes Indicators the codes at approximately one-second intervals. This table summarizes the codes. Alphanumeric Display Descriptions Message Description Recommended Action ONLY NODE...

  • Page 100: Interpret The Ok

    Troubleshoot the 1756-DH485 Module The three LED status indicators on the module provide information about Interpret the OK your module and the status of each channel. The following tables outline the Status Indicator indicator condition and the corresponding status, and explain what each condition means.

  • Page 101: Routing Errors In Remote Dh-485 Messaging

    Troubleshoot the 1756-DH485 Module Routing Errors in Remote DH-485 Messaging If the 1756-DH485 module has a problem with routing a Remote DH-485 Message, it may return a response with an error status of D0 hex. An SLC controller displays this error as D000 hex when monitoring the message instruction.
  • Page 102 Troubleshoot the 1756-DH485 Module Notes: Publication 1756-UM532A-EN-P - May 2006...
  • Page 103 Index Numerics 1747-AIC link coupler Data Highway 485 (DH-485) using on the DH-485 network definition 1-8, 3-2 1747-UIC Data Highway 485 (DH-485) messaging 3-11 description configuration 3-6, 3-12, 3-13 example network example 1756-DH485 local 1-1–1-9 remote messaging module overview Data Highway 485 (DH-485) network module requirements What does the module do? link design...
  • Page 104 Index link coupler routing errors 1747-AIC in local Data Highway 485 (DH-485) messaging 1761-NET-AIC in remote Data Highway 485 (DH-485) messaging link design routing limitations on a Data Highway 485 (DH-485) network for messages sent via the 1756-DH485 module 4-2–4-7 link IDs routing tables for remote Data Highway 485 (DH-485) messaging...
  • Page 105 Index software choose the correct software for DH485 applications B-1–B-5 troubleshoot RSLinx power supply and module status RSLogix 5 use the alphanumeric indicators RSLogix 500 use the status indicators RSLogix 5000 1-5–1-6 typical applications Specifications 1756-DH485 module environmental conditions status indicators upload for use in troubleshooting remote...
  • Page 106 Index Notes: Publication 1756-UM532A-EN-P - May 2006...
  • Page 107 ___Yes, please call me ___Yes, please e-mail me at __________________________ ___Yes, please contact me via ________________________ Return this form to: Allen-Bradley Marketing Communications, 1 Allen-Bradley Dr., Mayfield Hts., OH 44124-9705 Phone: 440-646-3176 Fax: 440-646-3525 E-mail: RADocumentComments@ra.rockwell.com Publication ICCG-5.21- January 2001...
  • Page 108 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 110: Rockwell Automation Support

    Rockwell Automation provides technical information on the Web to assist you in using Rockwell Automation its products. At http://support.rockwellautomation.com, you can find technical Support manuals, a knowledge base of FAQs, technical and application notes, sample code and links to software service packs, and a MySupport feature that you can customize to make the best use of these tools.

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