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20-COMM-H RS-485 HVAC Adapter User Manual

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 20-COMM-H RS-485 HVAC AdapterFirmware Version 2.xxxModbus RTUMetasys N2Siemens Building Technologies P1 FLNUser Manual20-COMM-H RS-485 HVAC Adapter User Manual Important User InformationSolid state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (Publication SGI-1.1 available from your local Rockwell Automation sales office or online at http://www.rockwellautomation.com/literature) describes some important differences between solid state equipment and hard-wired electromechanical devices. Because of this difference, and also because of the wide variety of uses for solid state equipment, all persons responsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable.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.The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variables and requirements associated with any particular installation, Rockwell Automation, Inc. cannot assume responsibility or liability for actual use based on the examples and diagrams.No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits, equipment, or software described in this manual.Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell Automation, Inc. is prohibited.Throughout this manual, when necessary we use notes to make you aware of safety considerations.Important:Identifies information that is critical for successful application and understanding of the product.PowerFlex, SMC Flex, DriveExplorer, DriveExecutive, DPI, DriveTools SP, and SCANport are either trademarks or registered trademarks of Rockwell Automation, Inc.Metasys is a trademark of Johnson Controls, Inc.Modbus is a trademark of Schneider Automation.P1 FLN is a trademark of Siemens Building Technologies.Windows and Microsoft are registered trademarks of Microsoft Corporation.!WARNING: Identifies information about practices or circumstances that can cause an explosion in a hazardous environment, which may lead to personal injury or death, property damage, or economic loss.!ATTENTION: Identifies information about practices or circumstances that can lead to personal injury or death, property damage, or economic loss. Attentions help you identify a hazard, avoid a hazard, and recognize the consequences.Shock Hazard labels may be located on or inside the equipment (e.g., drive or motor) to alert people that dangerous voltage may be present.Burn Hazard labels may be located on or inside the equipment (e.g., drive or motor) to alert people that surfaces may be at dangerous temperatures.20-COMM-H RS-485 HVAC Adapter User ManualPublication 20COMM-UM009D-EN-P Summary of ChangesThe information below summarizes the changes made to this manual since its last release (March 2004): Description of ChangesPageReformatted document from half size (5.5 x 8.5 in.) to full size (8.5 x 11 in.)Throughout manualAdded SMC Flex to the list of compatible products, and Metasys N2 is compatible with PowerFlex 700VC drive.1-2Added new Adapter Modbus Register Map section.4-2Included information about using Modbus RTU mode to access 16-bit and 32-bit parameters.4-10 and 4-12Added new Adapter Parameter Direct Access section.4-13Added new Metasys N2 Device Identity subsection.5-1Added new “Reference Setup Examples” subsection.5-4Added tip about configuring Analog Data Integers (ADIs).5-9Added Flashing Red/Green MOD status indicator information.8-3Added new Parameter 32 - [RTU Param Mode] to select the 16-bit default mode or optional 32-bit mode in which the adapter operates.B-4soc-iiSummary of Changes20-COMM-H RS-485 HVAC Adapter User ManualPublication 20COMM-UM009D-EN-P 20-COMM-H RS-485 HVAC Adapter User ManualPublication 20COMM-UM009D-EN-P Table of ContentsPrefaceAbout This ManualRelated Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P-1Rockwell Automation Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P-2Conventions Used in This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P-2Chapter 1Getting StartedComponents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2Compatible Products. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3Quick Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6Chapter 2Installing the AdapterPreparing for an Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1Commissioning the Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1Connecting the Adapter to the Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3Connecting the Adapter to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6Applying Power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7Chapter 3Configuring the AdapterConfiguration Tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1Using the PowerFlex 7-Class HIM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2Setting the Node Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3Setting the Network Data Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3Setting the Network Parity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4Setting Stop Bits (Modbus RTU only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4Setting the I/O Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5Setting a Network Time-out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6Setting a Fault Action . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7Resetting the Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8Viewing the Adapter Status Using Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9Flash Updating the Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10Chapter 4Using Modbus RTUUnderstanding Modbus RTU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1Adapter Modbus Register Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2Using the Modbus RTU Point Map for I/O. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4Accessing Drive Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9Using Broadcast Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12Adapter Parameter Direct Access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13Chapter 5Using Metasys N2Understanding Metasys N2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1Using the Metasys N2 Point Map for I/O. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3Using Metasys Configurable Objects to Access Parameters. . . . . . . . . . . . . . . . . . . . . . . 5-8

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