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Rockwell Automation Allen-Bradley PowerFlex FRN2 Series User Manual
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Rockwell Automation Allen-Bradley PowerFlex FRN2 Series User Manual

Rockwell Automation Allen-Bradley PowerFlex FRN2 Series User Manual

Serial converter module
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Serial
Converter
Module
22-SCM-232
FRN 2.xxx
User Manual

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Summary of Contents for Rockwell Automation Allen-Bradley PowerFlex FRN2 Series

  • Page 1 Serial Converter Module 22-SCM-232 FRN 2.xxx User Manual...

  • Page 2: Important User Information

    In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment.
  • Page 3 Summary of Changes This is the second release of the 22-SCM-232 serial converter module (FRN 2.xxx). Location Description of Changes Chapter 4 Added (before old Chapter 4 - Troubleshooting) to describe how to use 22-SCM-232 module with Allen-Bradley controllers to control and read/ ®...
  • Page 4 soc-2 Notes:...

  • Page 5: Table Of Contents

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

  • Page 7: Preface

    Read this preface to become familiar with the rest of the manual. Topic Page Related Documentation Conventions Used in this Manual P-1 Rockwell Automation Support Related Documentation For Information On: Refer to: Publication DF1 Protocol DF1 Protocol and Command Set Reference manual 1770-6.5.16 'ULYH([SORUHU *HWWLQJ 5HVXOWV 0DQXDO DriveExplorer™...

  • Page 8: Rockwell Automation Support

    • Technical training. • Warranty support. • Support service agreements. Technical Assistance If you need to contact Rockwell Automation, Inc. for technical assistance, please review the information in Chapter Troubleshooting first. If you still have questions, then contact your local Rockwell Automation, Inc.

  • Page 9: Getting Started

    Chapter Getting Started The 22-SCM-232 serial converter provides a communications interface between a computer or controller and any Allen-Bradley product implementing DSI, such as PowerFlex 4 and 40 drives. It uses the full-duplex, RS-232 DF1 protocol Topic Page Topic Page Components Safety Precautions Features...

  • Page 10: Features

    Getting Started Features The 22-SCM-232 serial converter module features the following: • The serial converter module can connect to products implementing DSI such as PowerFlex 4 and 40 drives. • Provides a means for DriveExplorer (version 3.01 or higher) and DriveExecutive (version 1.01 or higher) software tools to access PowerFlex 4 and 40 drives.

  • Page 11: Required Equipment

    Getting Started Required Equipment Equipment Shipped with the Serial Converter Module When you unpack the serial converter module, verify that the package includes: ❑ One 22-SCM-232 Serial Converter Module ❑ One 1203-SFC serial cable ❑ One 22-RJ45CBL-C20 cable ❑ One DriveExplorer Lite CD ❑...

  • 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 the serial converter module.

  • Page 13: Quick Start

    Getting Started Quick Start This section is designed to help experienced users quickly start using the serial converter module. If you are unsure how to complete a step, refer to the referenced chapter. Step Action Refer to Review the safety precautions for the serial converter Throughout This module.

  • Page 14: Modes Of Operation

    Getting Started Figure 1.4 Example Serial Connection to a Controller 22-RJ45CBL-C20 1203-SFC Cable Cable DSI Host Serial MicroLogix Converter Modes of Operation Figure 1.5 Status Indicators on the Serial Converter Module ➊ ➋ ➌ The serial converter module uses three status indicators to report its operating status (Figure 1.5).

  • Page 15: Installing The Serial Converter Module

    Chapter Installing the Serial Converter Module Chapter 2 provides instructions for installing and removing the serial converter module. Topic Page Selecting Cables Installing the Serial Converter Module Removing the Serial Converter Module 2-3 Selecting Cables The following cables are all you should need to connect the serial converter module to a drive and a computer.
  • Page 16 Installing the Serial Converter Module should be connected to the serial cable shield at the shell of the 9-pin sub-miniature D connector. Important: The DSI cable shield must be properly grounded in order to provide EMC protection. On the PowerFlex 4 and 40 drive that means that Pin 16 of the drive control terminal block must be connected to the drive earth ground terminal.

  • Page 17: Removing The Serial Converter Module

    Installing the Serial Converter Module Removing the Serial Converter Module ATTENTION: Risk of injury or equipment damage exists. If the serial converter module is transmitting control I/O to the drive (indicated by a solid green diamond LED), the drive may fault when you remove or reset the serial converter.
  • Page 18 Installing the Serial Converter Module Notes:...

  • Page 19: Configuring The Serial Converter Module

    Chapter Configuring the Serial Converter Module Chapter 3 provides instructions and information for configuring the serial converter module. Topic Page Configuration Tools Using DriveExplorer Using Terminal Emulation Software Setting the RS-232 Serial Port Rate Setting the Fault Action Resetting the Serial Converter Module For a list of parameters, refer to Appendix Serial Converter Module...

  • Page 20: Using Driveexplorer

    Configuring the Serial Converter Module Using DriveExplorer With DriveExplorer software, you can edit parameters in both the serial converter module and the connected DSI-enabled drive. On PowerFlex 4/40 drives (or other DSI products), you can also edit parameters in any of the attached peripherals.

  • Page 21: Using Terminal Emulation Software

    Configuring the Serial Converter Module Using Terminal Emulation Software This section provides detailed instructions on how to use terminal emulation software to access the serial converter module so that you can view and edit its parameters or view its event queue. A variety of terminal emulation programs can be used to establish a serial connection between a computer and the serial converter module.
  • Page 22 Configuring the Serial Converter Module Figure 3.3 Connection Dialog Box 4. In the Name window, type any name (for example, converter), and then select any icon in the Icon box. 5. Click OK to display the Phone Number dialog box (see Figure 3.4).
  • Page 23 Configuring the Serial Converter Module Figure 3.5 Properties Dialog Box 9. Click OK. A blank HyperTerminal workspace appears. 10. Select File > Properties to display the Properties dialog box. 11. Click the Settings tab (see Figure 3.6). Figure 3.6 Properties Dialog Box 12.
  • Page 24 Configuring the Serial Converter Module 13. In the Emulation window, select VT100. 14. Click OK to display the HyperTerminal workspace. TIP: Select File > Save to save the HyperTerminal configuration that you just created. In future connections, you can select the saved configuration and quickly connect to the serial converter module.

  • Page 25: Setting The Rs-232 Serial Port Rate

    Configuring the Serial Converter Module Setting the RS-232 Serial Port Rate The serial port rate, sometimes called baud rate or DF1 rate, is the speed at which the computer and serial converter module communicate over RS-232. You can select a serial port rate of 9600, 19.2K, or 38.4K. The factory-default serial port rate is 9600.

  • Page 26: Setting The Fault Action

    Configuring the Serial Converter Module Setting the Fault Action By default, when DF1 serial communications are disrupted (for example, a serial cable is disconnected) and control I/O is being transmitted, the serial converter module and connected drive respond by faulting. You can set a different response to communication disruptions using Parameter 04 - [Comm Flt Action].

  • Page 27: Resetting The Serial Converter Module

    Configuring the Serial Converter Module Resetting the Serial Converter Module Change to settings on some module parameters require that you reset the serial converter module before the new settings take effect. You can reset the module by cycling power to the module or by using Parameter 05 - [Reset Module].
  • Page 28 3-10 Configuring the Serial Converter Module Notes:...

  • Page 29: Controller Compatibility

    Chapter Controlling PowerFlex 4 and 40 Drives with Allen-Bradley Controllers Chapter 4 illustrates how to use the 22-SCM-232 serial converter with Allen-Bradley controllers to control and read/write data to PowerFlex 4 and 40 drives. Topic Page Controller Compatibility Cabling Requirements Messaging (MSG Instruction) PowerFlex 4 and 40 Memory Addressing Example Controller Programs...

  • Page 30: Cabling Requirements

    Controlling PowerFlex 4 and 40 Drives with Allen-Bradley Controllers Figure 4.1 Point-to-Point Example Drive Controller RS232 RS485 Modbus RTU 22-SCM-232 Serial Converter Figure 4.2 Multiple Drive Example Drive # 1 Drive # 2 Drive # 31 Controller AK-U0-RJ45-TB2P RS232 RS485 Terminal Blocks Modbus RTU AK-U0-RJ45-SC1...

  • Page 31: Messaging (Msg Instruction)

    Controlling PowerFlex 4 and 40 Drives with Allen-Bradley Controllers Messaging (MSG Instruction) Communications are handled via Message (MSG) instructions, which vary between the different controllers. Figure 4.3 MicroLogix 1200/1500 MSG Setup Screen Example The following descriptions are for the user configurable items of the MSG instruction.

  • Page 32: Powerflex 4 And 40 Memory Addressing

    Controlling PowerFlex 4 and 40 Drives with Allen-Bradley Controllers PowerFlex 4 and 40 Memory Addressing PowerFlex 4 and 40 control and status information, and parameters are addressed using N: file addressing. Logic Command/Reference Control Data Address Logic Command N182:192 Reference N182:193 Logic Status/Feedback/Additional Monitor Data Monitor Data...

  • Page 33: Troubleshooting

    Chapter Troubleshooting Chapter 5 provides information for troubleshooting potential problems with the serial converter module. Topic Page Understanding the Status Indicators Module Diagnostic Items Viewing and Clearing the Event Queue Viewing and Clearing DF1 Communication Statistics Troubleshooting Potential Problems Understanding the Status Indicators The serial converter module has three status indicators to reports its operating status.
  • Page 34 • Securely connect cables. Solid Link failure. • Replace the cable. • Cycle power to the drive. Orange Contact Rockwell Automation Technical Support. RX Status Indicator Status Cause Corrective Action • Verify that data is being transmitted by the PC.

  • Page 35: Module Diagnostic Items

    Troubleshooting Module Diagnostic Items The following diagnostic items can be accessed using DriveExplorer (version 3.01 or higher). No. Name Description Field Flash Cnt Number of times the module has been Field Flashed. Adapter Events The number of events in the event queue. Reference Current value of the Reference being transmitted to the drive by this module.
  • Page 36 Troubleshooting 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 troubleshoot the problem. The following events may appear in the event queue: Code Event Description No Event No event present in the module event queue.

  • Page 37: Viewing And Clearing Df1 Communication Statistics

    Troubleshooting Viewing and Clearing DF1 Communication Statistics If you encounter unexpected communications problems or are creating an application that uses DF1 data, you can view the communications statistics in the serial converter module. Parameters 06 through 17 store this data. To view and clear DF1 data, you must access the main menu in the serial converter module firmware.

  • Page 38: Troubleshooting Potential Problems

    Troubleshooting Troubleshooting Potential Problems Description Action • If the status indicators are off, connect the You are unable to establish a connection between your computer cables and apply power to the drive. • Configure your software and serial converter and the serial converter module. module to use the same COMM port and serial port rate (baud rate).

  • Page 39: Specifications

    Appendix Specifications Appendix A presents the specifications for the serial converter module. Topic Page Topic Page Communications Environmental Electrical Agency Certification Mechanical Communications RS-232 side Protocol RS-232 Serial DF1, Full Duplex Port Rate 9600, 19.2K, or 38.4K Data Bits Parity None Stop Bits Flow Control...

  • Page 40: Environmental

    Specifications Environmental Temperature Operating 0 to +50° C (32 to 122° F) Storage -40 to +85° C (-40 to 185° F) Relative Humidity 5 to 95% non-condensing Atmosphere Important: Serial converter module must not be installed in an area where the ambient atmosphere contains volatile or corrosive gas, vapors or dust.

  • Page 41: Appendix B Serial Converter Module Parameters

    Appendix Serial Converter Module Parameters Appendix B provides information about the serial converter module parameters. Parameter List Name and Description Details [Adapter Cfg] Default: 0 = Auto Sets the operation of the serial converter module on Values: 0 = Auto DSI.
  • Page 42 Serial Converter Module Parameters Name and Description Details [Reset Module] Default: 0 = Ready No action if set to “Ready.” Resets the serial converter Values: 0 = Ready module if set to “Reset Module.” Restores the module 1 = Reset Module to its factory-default settings if set to “Set Defaults.”...
  • Page 43 Serial Converter Module Parameters Name and Description Details [NAK No Memory] Default: Displays the number of NAKs sent by the serial Minimum: converter module because it did not have sufficient Maximum: 65535 memory to buffer the incoming messages. The module Type: Read Only runs out of memory if a command has not completed...
  • Page 44 Serial Converter Module Parameters Notes:...

  • Page 45: Flash Updates

    Preparing for a Flash Update Please take the following precautions to ensure a successful Flash: • Obtain the new firmware version from Rockwell Automation, Inc. Save it to the hard drive of the computer. Do not attempt to perform a Flash from a floppy disk or a network.

  • Page 46: Performing A Flash Update With Hyperterminal

    XMODEM protocol and a Flash update file from Rockwell Automation. When you press 'Y' to signal that you are ready to proceed, the terminal program will start displaying the letter 'C'. This signals the XMODEM protocol that the download may proceed.

  • Page 47: Troubleshooting Potential Hyperterminal Flash Problems

    Flash Updates 6. In the Protocol box, select Xmodem. Figure C.2 Example Send File Dialog Box 7. Click Send. A dialog box appears and reports the progress of the download. When it is complete, the message “Operation Complete” appears. Important: Keep the device powered for 15 seconds after the operation has completed.

  • Page 48: Performing A Flash Update With Driveexplorer

    Flash Updates Performing a Flash Update with DriveExplorer DriveExplorer version 4.xx and higher can perform flash updates on DSI products that use flash memory, such as the 22-SCM-232 Serial Converter Module and 22-COMM-D DeviceNet adapter. A 22-SCM-232 (version 2.01 or higher) is required to perform the update. DriveExplorer utilizes the same files used by ControlFlash, which can be downloaded from www.ab.com/drives.
  • Page 49 Flash Updates 3. Confirm that this is what you want to do by clicking the FLASH button. 4. The following dialog boxes will display information about the progress of the flash.
  • Page 50 Flash Updates 5. When the flash is completed, the “FLASH” button changes to “Close” and the “Cancel” button is grayed out. 6. DriveExplorer will prompt you to reconnect since the device may have changed its database because of the flash. Click “Yes” to reconnect.

  • Page 51: Micrologix 1000 Example Ladder Program

    Appendix MicroLogix 1000 Example Ladder Program Appendix D provides information on a MicroLogix 1000 example ladder program. The following ladder example demonstrates: • Writing Logic Command and Reference • Reading Logic Status, Feedback, and additional monitor data • Writing/reading Parameter 39 - [Accel Time 1]...
  • Page 52 MicroLogix 1000 Example Ladder Program Figure D.1 Example MicroLogix 1000 Ladder Logic Program MicroLogix 1000 communications to a PowerFlex 4/40 using a 22-SCM-232 Connection: The 22-SCM-232 connects to the front port on the MicroLogix 1000 by using a 1203-SNM Null Modem adapter and a 1761-CBL-AP00 programming cable.
  • Page 53 MicroLogix 1000 Example Ladder Program Figure D.1 Example MicroLogix 1000 Ladder Logic Program (Continued) This rung sets the timeout value for the second MSG instruction. MSG #2 Enable Error Done Time Out (EN) (ER) (DN) Timer N7:60 N7:60 N7:60 0002 Timer On Delay Timer T4:1...
  • Page 54 MicroLogix 1000 Example Ladder Program Figure D.1 Example MicroLogix 1000 Ladder Logic Program (Continued) Messages must be interlocked and queued to run one at a time. In this example, (4) MSG's are used: MSG #1 Writes Logic Command and Reference continuously MSG #2 Reads a block of data, including Logic Status and Feedback, continuously MSG #3 Writes Parameter 39 [Accel Time 1] on demand (one time per request) MSG #4 Reads Parameter 39 [Accel Time 1] on demand (one time per request)
  • Page 55 MicroLogix 1000 Example Ladder Program Figure D.1 Example MicroLogix 1000 Ladder Logic Program (Continued) If a read is requested elsewhere in the user program (B3:0/1) and the previous MSG is complete, this MSG will read Parameter 39 - [Accel Time 1]. Uses N150:x addressing, where 'x' equals the parameter number. Pr.
  • Page 56 MicroLogix 1000 Example Ladder Program Figure D.1 Example MicroLogix 1000 Ladder Logic Program (Continued) This rung resets all MSG instructions when the last MSG instruction has completed. Since the Parameter 39 Write and Read MSG's are on demand and not continuous, the "last" MSG in the sequence can vary. The Write (B3:0/0) and Read (B3:0/1) requests are also reset.
  • Page 57 MicroLogix 1000 Example Ladder Program Figure D.1 Example MicroLogix 1000 Ladder Logic Program (Continued) Enable (EN) N7:60 Enable (EN) N7:70 Enable (EN) N7:80 Pr. 39 Write Request B3:0 Pr. 39 Read Request B3:0 0010...
  • Page 58 MicroLogix 1000 Example Ladder Program The data table used by the example ladder program is explained below: Figure D.2 MicroLogix 1000 Ladder Example Data Table Values Name Example Example Value Description Address Value (decimal) Constant “0” Fixed to “0” and used to clear read data on the first scan of the ladder program Logic Status...
  • Page 59 MicroLogix 1000 Example Ladder Program Figure D.3 Rung 5 Logic Command/Reference Write Message Figure D.4 Rung 6 Logic Status/Feedback/Other Monitor Data Read Message...
  • Page 60 D-10 MicroLogix 1000 Example Ladder Program Figure D.5 Rung 7 Parameter 39 - [Accel Time 1] Write Message Figure D.6 Rung 8 Parameter 39 - [Accel Time 1] Read Message...

  • Page 61: Micrologix 1200/1500 Example Ladder Program

    Appendix MicroLogix 1200/1500 Example Ladder Program Appendix E provides information on a MicroLogix 1200/1500 example ladder program. The following ladder example demonstrates: • Writing Logic Command and Reference • Reading Logic Status, Feedback, and additional monitor data • Writing/reading Parameter 39 - [Accel Time 1] The example ladder program is for a MicroLogix 1500, but can also be applied to the MicroLogix 1200.
  • Page 62 MicroLogix 1200/1500 Example Ladder Program Figure E.1 Example MicroLogix 1200/1500 Ladder Logic Program MicroLogix 1500 (LRP) communications to a PowerFlex 4/40 using a 22-SCM-232 Connection: The 22-SCM-232 connects directly to Channel 1 on the LRP (DB9 connector) and the RJ45 port on the PowerFlex 4/40.
  • Page 63 MicroLogix 1200/1500 Example Ladder Program Figure E.1 Example MicroLogix 1200/1500 Ladder Logic Program (Continued) Fwd / Rev Logic Command FORWARD N7:20 0005 Bul.1764 Fwd / Rev Logic Command REVERSE N7:20 0006 Bul.1764 For demonstration purposes, the value of analog POT0 on the LRP processor is used to generate the Reference.
  • Page 64 MicroLogix 1200/1500 Example Ladder Program Figure E.1 Example MicroLogix 1200/1500 Ladder Logic Program (Continued) Starts the message cycle over again MG11:2 MG11:2 0011 MG11:2 Writes Parameter 39 - [Accel Time 1]. Uses N150:x addressing, where 'x' equals the parameter number. Note: A parameter write causes an EEPROM write cycle on the drive.
  • Page 65 MicroLogix 1200/1500 Example Ladder Program The data table used by the example ladder program is explained below: Figure E.2 MicroLogix 1200/1500 Ladder Example Data Table Values Name Example Example Value Description Address Value (decimal) Constant “0” Fixed to “0” and used to clear read data on the first scan of the ladder program Logic Status...
  • Page 66 MicroLogix 1200/1500 Example Ladder Program Figure E.3 Rung 8 Logic Command/Reference Write Message Figure E.4 Rung 10 Logic Status/Feedback/Other Monitor Data Read Message...
  • Page 67 MicroLogix 1200/1500 Example Ladder Program Figure E.5 Rung 12 Parameter 39 - [Accel Time 1] Write Message Figure E.6 Rung 13 Parameter 39 - [Accel Time 1] Read Message...
  • Page 68 MicroLogix 1200/1500 Example Ladder Program Notes:...

  • Page 69: Slc Example Ladder Program

    Appendix SLC Example Ladder Program Appendix F provides information on an SLC example ladder program. The following ladder example demonstrates: • Writing Logic Command and Reference • Reading Logic Status, Feedback, and additional monitor data • Writing/reading Parameter 39 - [Accel Time 1]...
  • Page 70 SLC Example Ladder Program Figure F.1 Example SLC Ladder Logic Program SLC 5/03 communications to a PowerFlex 4/40 using a 22-SCM-232 Connection: The 22-SCM-232 connects directly to Channel 0 on the processor (DB9 connector) and the RJ45 port on the PowerFlex 4/40. It provides both media (RS232 to RS485) and protocol (DF1 to Modbus RTU) conversions.
  • Page 71 SLC Example Ladder Program Figure F.1 Example SLC Ladder Logic Program (Continued) Fwd / Rev Logic Command B3:0 N7:20 0005 Fwd / Rev Logic Command B3:0 N7:20 0006 Write the Logic Command (N182:192) and Reference (N182:193) to the drive. 0007 Read/Write Message Type Peer-To-Peer...
  • Page 72 SLC Example Ladder Program Figure F.1 Example SLC Ladder Logic Program (Continued) Starts the message cycle over again. N9:40 N9:40 0010 N9:40 Write Parameter 39 - [Accel Time 1]. Uses N150:x addressing, where 'x' equals the parameter number. Note: A parameter write causes an EEPROM write cycle on the drive. Do not develop a ladder program that will perform frequent writes.
  • Page 73 SLC Example Ladder Program The data table used by the example ladder program is explained below: Figure F.2 SLC Ladder Example Data Table Values Name Example Example Value Description Address Value (decimal) Constant “0” Fixed to “0” and used to clear read data on the first scan of the ladder program Logic Status...
  • Page 74 SLC Example Ladder Program Figure F.3 Rung 7 Logic Command/Reference Write Message Figure F.4 Rung 9 Logic Status/Feedback/Other Monitor Data Read Message...
  • Page 75 SLC Example Ladder Program Figure F.5 Rung 11 Parameter 39 - [Accel Time 1] Write Message Figure F.6 Rung 12 Parameter 39 - [Accel Time 1] Read Message...
  • Page 76 SLC Example Ladder Program Notes:...

  • Page 77: Example Ladder Program

    Appendix PLC-5 Example Ladder Program Appendix G provides information on a PLC-5 example ladder program. The following ladder example demonstrates: • Writing Logic Command and Reference • Reading Logic Status, Feedback, and additional monitor data • Writing/reading Parameter 39 - [Accel Time 1]...
  • Page 78 PLC-5 Example Ladder Program Figure G.1 Example PLC-5 Ladder Logic Program PLC-5 communications to a PowerFlex 4/40 using a 22-SCM-232 Connection: The 22-SCM-232 connects to Channel 0 on the processor (DB25 connector) via a 3rd party 9-to-25 pin adapter (Male-to-Male), and the RJ45 port on the PowerFlex 4/40. It provides both media (RS232 to RS485) and protocol (DF1 to Modbus RTU) conversions.
  • Page 79 PLC-5 Example Ladder Program Figure G.1 Example PLC-5 Ladder Logic Program (Continued) Fwd / Rev Logic Command I:001 N7:20 0005 Fwd / Rev Logic Command I:001 N7:20 0006 Write the Logic Command (N182:192) and Reference (N182:193) to the drive. 0007 Read/Write Message Control MG10:0...
  • Page 80 PLC-5 Example Ladder Program Figure G.1 Example PLC-5 Ladder Logic Program (Continued) Write Parameter 39 - [Accel Time 1]. Uses N150:x addressing, where 'x' equals the parameter number. Note: A parameter write causes an EEPROM write cycle on the drive. Do not develop a ladder program that will perform frequent writes.
  • Page 81 PLC-5 Example Ladder Program The data table used by the example ladder program is explained below: Figure G.2 PLC-5 Ladder Example Data Table Values Name Example Example Value Description Address Value (decimal) Constant “0” Fixed to “0” and used to clear read data on the first scan of the ladder program Logic Status...
  • Page 82 PLC-5 Example Ladder Program Figure G.3 Rung 7 Logic Command/Reference Write Message Figure G.4 Rung 9 Logic Status/Feedback/Other Monitor Data Read Message...
  • Page 83 PLC-5 Example Ladder Program Figure G.5 Rung 11 Parameter 39 - [Accel Time 1] Write Message Figure G.6 Rung 12 Parameter 39 - [Accel Time 1] Read Message...
  • Page 84 PLC-5 Example Ladder Program Notes:...

  • Page 85: Controllogix/Compactlogix Example Ladder Program

    Appendix ControlLogix/CompactLogix Example Ladder Program Appendix H provides information on a ControlLogix/CompactLogix example ladder program. The following ladder example demonstrates: • Writing Logic Command and Reference • Reading Logic Status, Feedback, and additional monitor data • Writing/reading Parameter 39 - [Accel Time 1] The example ladder program is for a ControlLogix, but can also be applied to the CompactLogix.
  • Page 86 ControlLogix/CompactLogix Example Ladder Program Figure H.1 Example ControlLogix Ladder Logic Program ControlLogix communications to a PowerFlex 4/40 using a 22-SCM-232 ControlLogix communications to a PowerFlex 4/40 using a 22-SCM-232 The 22-SCM-232 connects directly to the serial port on the processor (DB9 connector) and the RJ45 port on the PowerFlex The 22-SCM-232 connects directly to the serial port on the processor (DB9 connector) and the RJ45 port on the PowerFlex 4/40.
  • Page 87 ControlLogix/CompactLogix Example Ladder Program Figure H.1 Example ControlLogix Ladder Logic Program (Continued) Move the Logic Command and Reference words to the Control_Output array for transmission to the SCM. Move the Logic Command and Reference words to the Control_Output array for transmission to the SCM. Move Source Logic_Command Dest...
  • Page 88 ControlLogix/CompactLogix Example Ladder Program Figure H.1 Example ControlLogix Ladder Logic Program (Continued) DriveReadData[0].1 DriveStatusActive DriveReadData[0].3 DriveStatusForward DriveReadData[0].7 DriveStatusFaulted DriveReadData[0].8 DriveStatusAtReference Move Source DriveReadData[3] Dest Feedback Write Parameter 39 - [Accel Time 1]. Uses N150:x addressing, where 'x' equals the parameter number. Write Parameter 39 - [Accel Time 1].
  • Page 89 ControlLogix/CompactLogix Example Ladder Program The data table used by the example ladder program is explained below: Figure H.2 ControlLogix Ladder Example Data Table Values Tag Name Description Example Example Value Description Value (decimal) Constant_0 Constant “0” Fixed to “0” and used to clear read data on the first scan of the ladder program DriveReadData[0]...
  • Page 90 ControlLogix/CompactLogix Example Ladder Program The following screens (Figure H.3 Figure H.6) provide details of the MSG instructions used in the ladder example: Figure H.3 Rung 8 Control Output Message Screens (Logic Command/Reference) Figure H.4 Rung 10 Read Data Message Screens (Logic Status/Feedback/Other Monitor Data)
  • Page 91 ControlLogix/CompactLogix Example Ladder Program Figure H.5 Rung 18 Parameter Write Message Screens (Parameter 39) Figure H.6 Rung 20 Parameter Read Message Screens (Parameter 39)
  • Page 92 ControlLogix/CompactLogix Example Ladder Program Notes:...

  • Page 93: Appendix I Logic Command/Status Words

    Appendix Logic Command/Status Words Appendix I provides the definitions of the Logic Command/Logic Status words that are used for some products that can be connected to the 22-SCM-232 serial converter module. If you do not see the Logic Command/Logic Status for the product that you are using, refer to your product’s documentation.
  • Page 94 Logic Command/Status Words PowerFlex 4 and PowerFlex 40 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 95: Glossary

    Glossary Application Code Code that runs in the serial converter module after the boot code calls it. It performs the normal operations of the system. Block Check Character. An error detection scheme where the 2’s complement of the 8-bit sum (modulo-256 arithmetic sum) of all data bytes in a transmission block.
  • Page 96 Glossary-2 serial converter module and PowerFlex 4-Class HIMs (22-HIM*) are examples of DSI peripherals. DSI Product A device that uses the DSI communications interface to communicate with one or more peripheral devices. For example, a motor drive such as a PowerFlex 4-Class drive is a DSI product. In this manual, a DSI product is also referred to as “product”...
  • Page 97 Glossary-3 was running and using the Reference from the converter module, it will continue to run at the same Reference. Non-Volatile Storage (NVS) NVS is the permanent memory of a device. Devices such as the serial converter module and drive store parameters and other information in NVS so that they are not lost when the device loses power.
  • Page 98 Glossary-4 zero data. Zero data results in the drive receiving zero as values for command data. If the drive was running and using the Reference from the converter module, it will stay running but at zero Reference.

  • Page 99: Index

    Index Numerics ControlLogix example ladder program, H-1 22-SCM-232 converter, see serial converter, see serial converter converter CRC, A-1, G-1 accessing parameters, 3-1 data bits, A-1 Adapter Cfg parameter, B-1 Adapter Type parameter, B-3 definition, G-1 adapter, see serial converter viewing data, 5-5 agency certification, A-2 DF1 Addr Actual parameter, B-3 application code, G-1...
  • Page 100 Index-2 flow control, A-1 cables, 1-1, 2-1 FRN, P-1 definition, G-1 peripheral, G-1 products, 1-2, G-2 hold last Duplicate Msgs parameter, B-3 definition, G-2 setting, 3-8 HyperTerminal EEPROM, see Non-Volatile Storage navigating in, 3-6 (NVS) setting up, 3-3 ENQs Received parameter, B-2 updating firmware with, C-3 ENQs Sent parameter, B-2 equipment...
  • Page 101 Index-3 serial converter accessing, 3-1 NAK Bad Packet parameter, B-2 components, 1-1 NAK No Memory parameter, B-3 connecting cables, 2-2 NAKs Received parameter, B-2 definition, G-3 Non-Volatile Storage (NVS) dimensions, A-1 definition, G-3 event queue, 5-3 parameters in, 3-1 features, 1-2 illustration, 1-1 installing, 2-2 main menu, 3-6...
  • Page 102 Index-4 Undelivered Msgs parameter, B-2 update, see Flash update viewing DF1 data, 5-5 VT100-compatible terminal, 3-1 web sites, P-1, G-2 Xmodem definition, G-3 using to flash firmware, C-1 zero data definition, G-3 setting, 3-8...
  • Page 104 Publication 22COMM-UM002B-EN-P – March 2003 P/N 305739-P02 Copyright 2003 Rockwell Automation, Inc. All rights reserved. Printed in USA.

This manual is also suitable for:

Allen-bradley powerflex 22-scm-232