Allen-Bradley PowerFlex RS-485 DF1 User Manual
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Allen-Bradley PowerFlex RS-485 DF1 User Manual

Allen-Bradley PowerFlex RS-485 DF1 User Manual

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RS-485 DF1
Adapter
20-COMM-S
FRN 1.xxx
User Manual

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Summary of Contents for Allen-Bradley PowerFlex RS-485 DF1

  • Page 1 RS-485 DF1 Adapter 20-COMM-S FRN 1.xxx User Manual...

  • Page 2: Important User Information

    In no event will the Allen-Bradley Company be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment. The examples and diagrams in this manual are included solely for illustrative purposes.
  • Page 3 Summary of Changes This is the first release of the RS-485 DF1 FRN 1.xxx.
  • Page 4 Notes:...

  • Page 5: Table Of Contents

    Table of Contents Preface About This Manual Related Documentation ......P-1 Conventions Used in this Manual ..... P-2 Rockwell Automation Support.
  • Page 6 Table of Contents Appendix A Specifications Communications ........A-1 Electrical .

  • Page 7: Preface

    Preface About This Manual Topic Page Related Documentation Conventions Used in this Manual P-2 Rockwell Automation Support Related Documentation For: Refer to: Publication DF1 Protocol DF1 Protocol and Command Set Reference manual 1770-6.5.16 DriveExplorer™ DriveExplorer Getting Results Manual 9306-GR001… Online help (installed with the software) DriveTools 2000™...

  • Page 8: Conventions Used In This Manual

    If you need to contact Rockwell Automation for technical assistance, please review the information in Chapter Troubleshooting first. If you still have problems, then call your local Rockwell Automation representative U.S. Allen-Bradley Drives Technical Support: E-mail: support@drives.ra.rockwell.com Tel: (1) 262.512.8176 Fax: (1) 262.512.2222 Online: http://www.ab.com/support/abdrives...

  • Page 9: Getting Started

    Chapter Getting Started The RS-485 DF1 (20-COMM-S) is an embedded communication option for any one drive in the PowerFlex 7-Class family. It can also be used with other Allen-Bradley products implementing DPI™, a functional enhancement to SCANport™. Topic Page Topic...

  • Page 10: Features

    Getting Started Features The RS-485 DF1 adapter features the following: • The adapter is mounted in and receives power from the PowerFlex drive. Captive screws are used to secure and ground the adapter to the drive. • Switches let you set a node address and network data rate before applying power to the PowerFlex drive.

  • Page 11: Compatible Products

    Compatible Products DPI is a second generation peripheral communication interface (see Glossary). The RS-485 DF1 adapter is compatible with Allen-Bradley PowerFlex drives and other products that support DPI. DPI is a functional enhancement to SCANport. At the time of publication, compatible products include: •...

  • Page 12: Safety Precautions

    Getting Started Safety Precautions Please read the following safety precautions carefully ATTENTION: Risk of injury or equipment damage exists. Only personnel familiar with drive and power products and the associated machinery should plan or implement the installation, start-up, configuration, and subsequent maintenance of the product using a RS-485 DF1 adapter.

  • Page 13: Quick Start

    Getting Started Quick Start This section is designed to help experienced users configure or set up the RS-485 DF1 adapter. If you are unsure how to complete a step, refer to the referenced chapter. Step Refer to Review the safety precautions for the adapter. Throughout This Manual Verify that the PowerFlex drive is properly installed.

  • Page 14: Modes Of Operation

    Getting Started Modes of Operation The adapter uses four status indicators to report its operating status. They can be viewed on the adapter or through the drive cover. See Figure 1.2. Figure 1.2 Status Indicators (location on drive may vary) –...

  • Page 15: Installing The Adapter

    Chapter Installing the Adapter Chapter 2 provides instructions for installing the adapter on a PowerFlex drive. Topic Page Preparing for an Installation Commissioning the Adapter Connecting the Adapter to the Network Connecting the Adapter to the Drive Applying Power Preparing for an Installation Before installing the RS-485 DF1 adapter: •...
  • Page 16 Installing the Adapter 1. Set the node address switches. Figure 2.1 Setting the Node Address Ones Tens Digit Digit Setting Description 0 – 99 Node address used by the adapter if switches are enabled. The default switch setting is 1. Important: If the Data Rate switch is set to “PGM”...

  • Page 17: Connecting The Adapter To The Network

    Installing the Adapter Connecting the Adapter to the Network ATTENTION: Risk of injury or death exists. The PowerFlex drive may contain high voltages that can cause injury or death. Remove power from the drive, and then verify power has been discharged before installing or removing an adapter.

  • Page 18: Connecting The Adapter To The Drive

    Installing the Adapter Connecting the Adapter to the Drive 1. Remove power from the drive. 2. Use static control precautions. 3. Connect the Internal Interface cable to the DPI port on the drive and then to DPI connector on the adapter. Figure 2.4 DPI Ports and Internal Interface Cables –...
  • Page 19 Installing the Adapter 4. On a PowerFlex 70, fold the Internal Interface cable behind the adapter and mount the adapter on the drive using the four captive screws. On a PowerFlex 700, just mount the adapter on the drive using the four captive screws to secure and ground it to the drive. Important: All screws must be tightened since the adapter is grounded through a screw.

  • Page 20: Applying Power

    Installing the Adapter Applying Power ATTENTION: Risk of equipment damage, injury, or death exists. Unpredictable operation may occur if you fail to verify that parameter settings and switch settings are compatible with your application. Verify that settings are compatible with your application before applying power to the drive.

  • Page 21: Configuring The Adapter

    Chapter Configuring the Adapter Chapter 3 provides instructions and information for setting the parameters in the adapter. Topic Page Topic Page Configuration Tools Setting a Fault Action Using the PowerFlex HIM Resetting the Adapter Setting the Node Address Viewing the Adapter Configuration Setting the Data Rate For a list of parameters, refer to Appendix...

  • Page 22: Using Driveexplorer

    Configuring the Adapter Using DriveExplorer With DriveExplorer software, you can edit parameters in both the 1203-SSS serial converter and the connected product. On PowerFlex 70 and PowerFlex 700 drives (or other DPI products), you can also edit parameters in any of the attached peripherals, such as the 20-COMM-S.

  • Page 23: Using The Powerflex Him

    Configuring the Adapter Using the PowerFlex HIM If your drive has either an LED or LCD HIM (Human Interface Module), access parameters in the adapter as shown below. It is recommended that you read through the steps for your HIM before performing the sequence.

  • Page 24: Setting The Node Address

    Configuring the Adapter Setting the Node Address If the adapter Data Rate switch is set to “PGM,” the value of Parameter 03 - [DF1 Addr Cfg] determines the node address. 1. Set the value of Parameter 03 - [DF1 Addr Cfg] to a unique node address.

  • Page 25: Setting The Crc/Bcc Selection

    Configuring the Adapter Setting the CRC/BCC Selection Two types of error checking methods are used with the DF1 protocol, Cyclic Redundancy Check (CRC) and (BCC). 1. Set the value of Parameter 24 - [CRC/BCC] to the method used by the network. Figure 3.4 RS-485 DF1 CRC/BCC Screen on a LCD HIM Value Selection Port 5 Device...
  • Page 26 Configuring the Adapter To change the fault action • Set the values of Parameters 10 - [Comm Flt Action] to the desired responses: Value Action Description Fault (default) The drive is faulted and stopped. (Default) Stop The drive is stopped, but not faulted. Zero Data The drive is sent 0 for output data after a communications disruption.

  • Page 27: Resetting The Adapter

    Configuring the Adapter Resetting the Adapter Changes to switch settings on some adapter parameters require that you reset the adapter before the new settings take effect. You can reset the adapter by cycling power to the drive or by using the following parameter: •...

  • Page 28: Viewing The Adapter Configuration

    Configuring the Adapter Viewing the Adapter Configuration The following parameters provide information about how the adapter is configured. You can view these parameters at any time. Number Name Description DPI Port The port on the drive to which the adapter is connected. Usually, it is on Port 5.

  • Page 29: Using Driveexplorer On The Rs-485 Network

    Chapter Using DriveExplorer on the RS-485 Network Chapter 4 provides instructions for configuring DriveExplorer (version 2.02 or higher) to access PowerFlex drives on the RS-485 network (Figure 4.1). Figure 4.1 Example RS-485 DF1 Network Drive Explorer Select Explore > Connect > Network (Figure 4.2).
  • Page 30 Using DriveExplorer on the RS-485 Network Figure 4.3 DriveExplorer will perform a search within the range of the selected nodes and list them (Figure 4.4). Figure 4.4 Click on each node to have DriveExplorer perform a device read (Figure 4.5). A “+” will appear to the left of the node upon completion. Figure 4.5...
  • Page 31 Using DriveExplorer on the RS-485 Network Click on the “+” for each node to expand the information (Figure 4.6). Figure 4.6 Click on the desired item to access its parameters (Figure 4.7). Figure 4.7...
  • Page 32 Using DriveExplorer on the RS-485 Network Notes:...

  • Page 33: Troubleshooting

    Chapter Troubleshooting Chapter 5 contains troubleshooting information. Topic Page Topic Page Locating the Status Indicators Net A Status Indicator PORT Status Indicator Module Diagnostic Items MOD Status Indicator Viewing and Clearing Events Locating the Status Indicators The RS-485 DF1 adapter has four status indicators. They can be viewed on the adapter or through the drive cover.

  • Page 34: Port Status Indicator

    • Orange The adapter is connected to a Connect the adapter to a product that product that does not support supports Allen-Bradley DPI Allen-Bradley DPI communications (for example, PowerFlex communications. drives). • Flashing The adapter is establishing an No Action.

  • Page 35: Mod Status Indicator

    Troubleshooting MOD Status Indicator Status Cause Corrective Action • The adapter is not Securely connect the adapter to the drive powered. using the ribbon cable. • Apply power to the drive. • Flashing The adapter has failed the Clear faults in the adapter. •...

  • Page 36: Net B Status Indicator

    Troubleshooting Net B Status Indicator Status Cause Corrective Actions • The adapter is not Place the controller in RUN mode, or apply receiving data over the power to the peer device that will send I/O. • network. Program a controller or peer device to recognize and transmit I/O to the adapter.

  • Page 37: Module Diagnostic Items

    Troubleshooting Module Diagnostic Items The following diagnostic items can be accessed using DriveExplorer (version 2.01 or higher), DriveExecutive (version 1.01 or higher) or PowerFlex LCD HIM (version 2.001 or higher). No. Name Description Common Logic Current value of the Common Logic Command being transmitted to the Host by this peripheral.

  • Page 38: Module Diagnostic Items (Continued)

    Troubleshooting Module Diagnostic Items (continued) Datalink D2 Out Current value of Datalink D2 being received from the Host by this peripheral. Field Flash Cnt Current value of the Field Flash Counter. DPI Rx Errors Current value of the DPI CAN Receive Error Counter register. DPI Tx Errors Current value of the DPI CAN Transmit Error Counter Register.

  • Page 39: Viewing And Clearing Events

    Troubleshooting Viewing and Clearing Events The adapter maintains an event queue that reports the history of its actions. You can view the event queue using an LCD PowerFlex HIM, DriveExplorer (2.01 or higher) software, or DriveExecutive (1.01 or higher) software. To view and clear events Step Keys...
  • Page 40 Events Many events in the Event queue occur under normal operation. If you encounter unexpected communications problems, the events may help you or Allen-Bradley personnel may troubleshoot the problem. The following events may appear in the event queue: Code Event...
  • Page 41 Troubleshooting Events (continued) Code Event Description DPI Fault Msg The DPI Host has faulted. DPI Fault The DPI Host transitions from a faulted to a non-faulted state. Clear Flt Cfg Error At least one of the Fault Configuration parameters contains a value greater than 65535 and the DPI product expects a 16-bit value.
  • Page 42 5-10 Troubleshooting Notes:...

  • Page 43: Communications

    Appendix Specifications This chapter presents the specifications for the adapter. Topic Page Topic Page Communications Environmental Electrical Regulatory Compliance A-2 Mechanical Communications Network Protocol Data Rates 1200, 2400, 4800, 9600, 19.2K, 38.4K, PGM The PGM (Program) setting on the switch is used to set the data rate using the adapter parameter.

  • Page 44: Environmental

    Specifications Environmental Temperature Operating -10 to 50°C (14 to 149°F) Storage -40 to +85°C (-40 to 185°F) Relative Humidity -5 to 95% non-condensing Atmosphere Important: Adapter must not be installed in an area where the ambient atmosphere contains volatile or corrosive gas, vapors or dust.

  • Page 45: About Parameter Numbers

    Appendix Adapter Parameters Appendix B provides information about the RS-485 DF1 adapter parameters. Topic Page About Parameter Numbers B-1 Parameter List About Parameter Numbers The parameters in the adapter are numbered consecutively. However, depending on which configuration tool you use, they may have different numbers.
  • Page 46 Adapter Parameters Parameter No. Name and Description Details [DF1 Rate Cfg] Default: 3 = 9600 bps DF1 data rate if the data rate switch is set to Values: 0 = 1200 bps “PGM” (Program). 1 = 2400 bps 2 = 4800 bps 3 = 9600 bps 4 = 19.2 kbps 5 = 38.4 kbps...
  • Page 47 Adapter Parameters Parameter No. Name and Description Details [Active Cfg] Default: 0 = Switches Source from which the adapter node address and Values: 0 = Switches data rate are taken. This will either be switches on 1 = EEPROM the adapter or parameters in EEPROM. It is Type: Read Only determined by the settings of the switches on the...
  • Page 48 Adapter Parameters Parameter No. Name and Description Details [Flt Cfg A1] Default: [Flt Cfg A2] Default: [Flt Cfg B1] Default: [Flt Cfg B2] Default: [Flt Cfg C1] Default: [Flt Cfg C2] Default: [Flt Cfg D1] Default: [Flt Cfg D2] Default: Sets the data that is sent to the Datalink in the Minimum: drive if the following is true:...

  • Page 49: Appendix C Logic Command/Status Words

    Appendix Logic Command/Status Words Appendix C provides the definitions of the Logic Command/Logic Status words that are used for some products that can be connected to the RS-485 DF1 adapter. If you do not see the Logic Command/Logic Status for the product that you are using, refer to your product’s documentation. PowerFlex 70 and PowerFlex 700 Drives Logic Command Word Logic Bits...
  • Page 50 Logic Command/Status Words PowerFlex 70 and PowerFlex 700 Drives Logic Status Word Logic Bits 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Status Description x Ready 0 = Not Ready 1 = Ready Active 0 = Not Active 1 = Active...

  • Page 51: Glossary

    Glossary Adapter Devices such as drives, controllers, and computers usually require an adapter to provide a communication interface between them and a network such as RS-485 DF1. An adapter reads data on the network and transmits it to the connected device. It also reads data in the device and transmits it to the network.
  • Page 52 DriveExplorer Software DriveExplorer software is a tool for monitoring and configuring Allen-Bradley products and adapters. It can be run on computers running Microsoft Windows 95, Windows 98, Windows NT (version 4.0 or higher), Windows CE (version 2.0 or higher), Windows ME, Windows 2000, and Windows XP operating systems.
  • Page 53 Windows NT (4.0 or higher) operating systems. To fully utilize DSI products, use DriveTools 2000 version 1.01 or higher. This software suite provides a family of tools that you can use to program, monitor, control, troubleshoot, and maintain Allen-Bradley products. Information about DriveTools can be accessed at http://www.ab.com/drives. Fault Action...
  • Page 54 Glossary-4 Hold Last When communications are disrupted (for example, a cable is disconnected), the adapter and PowerFlex drive can respond by holding last. Hold last results in the drive receiving the last data received via the RS-485 DF1 connection before the disruption. If the drive was running and using the Reference from the adapter, it will continue to run at the same Reference.
  • Page 55 PowerFlex 7-Class Drives The Allen-Bradley PowerFlex 7-Class family of drives include the PowerFlex 70 and PowerFlex 700. These drives can be used for applications ranging from 0.37 kW (0.5 HP) to 3,000 kW (4,000 HP).
  • Page 56 Type 0/Type 1/Type 2 Control When transmitting I/O, the adapter can use different types of messages for control. The Type 0, Type 1, Type 2 control events help Allen-Bradley personnel identify the type of messages that an adapter is using. Transaction Number (TNS) A 2-byte field in a DF1 message packet that is used in combination with...

  • Page 57: Index

    Index Numerics commissioning the adapter, 2-1 communications module, refer to 10-pin linear plug, 2-3 adapter 5-pin linear plug, 2-3 compatible products, 1-3 components, 1-1 configuration tools, 3-1 adapter connecting the adapter to the applying power, 2-6 network, 2-3 commissioning, 2-1 controller compatible products, 1-3 definition, G-1...
  • Page 58 Index-2 DN Rate Actual parameter, B-2 DN Rate Cfg parameter, B-2 fault action configuring an adapter, 3-5 connector on adapter, 1-1 definition, G-3 data rate, 3-8 fault configuration definition, G-2 configuring an adapter for, 3-5 Internal Interface cable, 2-4 definition, G-3 peripheral, G-2 faulted node recovery products, G-2...
  • Page 59 Index-3 installation NET B status indicator applying power to the adapter, 2-6 locating, 4-1, 5-1 commissioning the adapter, 2-1 not used, 4-1, 5-1 connecting to the drive, 2-4 node address connecting to the network, 2-3 definition, G-4 preparing for, 2-1 setting with a parameter, 3-4 Internal Interface cable, 2-4 Non-Volatile Storage (NVS)
  • Page 60 Index-4 processor, refer to controller switches locating, 1-1 producer/consumer network, G-5 products, see SCANport or DPI products Programmable, G-5 technical support, P-2 programmable logic controller, refer tools required, 1-3 to controller Transaction, G-6 Troubleshooting, 5-1 Type, G-5 quick start, 1-5 update, see flash update Ref/Fdbk Size parameter, B-2 Using, 3-3, 4-1...
  • Page 61 DriveExecutive, DriveTools 2000, PLC-5, PowerFlex, SCANport, and SLC are trademarks of Rockwell Automation. The “DF1” Protocol is an Allen-Bradley proprietary interface, originally designed to provide a communications link to a variety of AB products. RSLinx and RSLogix are trademarks of Rockwell Software.
  • Page 63 Rockwell Automation, 777 East Wisconsin Avenue, Suite 1400, Milwaukee, WI, 53202-5302 USA, Tel: (1) 414.212.5200, Fax: (1) 414.212.5201 Headquarters for Allen-Bradley Products, Rockwell Software Products and Global Manufacturing Solutions Americas: Rockwell Automation, 1201 South Second Street, Milwaukee, WI 53204-2496 USA, Tel: (1) 414.382.2000, Fax: (1) 414.382.4444...

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