Honeywell XYR 5000 LINE manual Modbus Parity Setting, Modbus Mapping Mode Setting

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6.1.3 Modbus Parity Setting

The Modbus Parity distinguishes which type of parity is used to validate each packet of information on the RS-485 Network. The type of parity required is usually indicated by the user’s PLC.

Selecting EVEN or ODD parity will automatically include one STOP bit per frame. Selecting a parity of NONE will automatically include two STOP bits as per the Modbus communications specification.

Follow the Base Radio menu map shown in Figure 6-3to configure the parity. The factory default is EVEN parity.

Figure 6-3 Menu Map to Modbus Parity Setting

6.1.4 Modbus Mapping Mode Setting

The Modbus Mapping mode distinguishes which type of mapping mode is used to map the Modbus registers according to the device IDs.

Note Make sure that the HI RF ID setting has been configured properly or the Modbus addressing scheme could be affected. To properly set the HI RF ID setting see Section 4.2.

There are two possible mapping modes that can be used. The first is the Device ID mapping mode. Using this mode gives the Base Radio a device ID equal to its device ID setting. There are then 10 Modbus registers located at this device ID for this Base Radio. Each Transmitter communicating with this Base Radio is then located at device ID X, where X is the RF ID of the Transmitter + the Device ID of the Base Radio. There are 10 Modbus registers for each Transmitter located at that Unit’s device ID. For more information on the registers, see Section 6.2: Modbus Communications Protocol.

The other possible mapping mode that can be used is the Register Mapping mode. Using this mode gives the Base Radio a device ID equal to its device ID setting. Then, the 10 Base Radio Modbus registers are registers 1 – 10, and the Transmitter with RF ID 1 is located at the SAME device ID as the Base Radio but its registers are registers 11-20. Each subsequent Transmitter is mapped similarly. For more information on the registers, Section 6.2: Modbus Communications Protocol.

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Contents Base Radio User Guide XYR 5000 Line 34-XY-25-05 Rev 08/06Page Base Radio FCC CertificationTelephone Revision NotesContacts Table of Contents Quare R OOT F Unction Overall Wiring Schematic Table of FiguresAbout the Device Using this ManualIntroduction Unpacking Software CompatibilityOverall Wiring Schematic Quick StartPage Base Radio Positioning InstallationMechanical Installation General Layout Electrical Installation Electrical SpecificationsTerminal Block Labels Wiring Power to the Base Radio Wiring RS-485 to the Base RadioWiring the RS-485/232 Converter to the Base Radio Wiring RS-485 to the Base RadioWiring the RS-485/USB Converter to the Base Radio USB Driver InstallationDaisy-Chaining Multiple Base Radios to Single RS-485/Power Wiring the DB-9 RS-485 Cable to the Base RadioUSB Converter’s Male DB-9 Connector USB Driver Un-installationDaisy-Chaining Power to Multiple Base Radios Daisy-Chaining RS-485 to Multiple Base RadiosTerminating Communications Wiring to the Base Radio Daisy-Chaining RS-485 to Multiple Base RadiosGrounding the Base Radio High Gain AntennaRead Only Sequence General ConfigurationBase Radio Displayed Messages Overall Configuration Menu Map Read Only SequenceSetting the User Password Menu Map to Password SettingConfiguring the RF Communications RF Channel SelectionMenu Map to RF Baud Rate Setting RF Baud Rate SelectionHigh RF ID Setting High Rfid SettingBase Radio Setup Modbus Baud Rate SettingModbus Device ID Setting Menu Map to Modbus Baud Rate SettingPage Modbus Parity Setting Modbus Mapping Mode SettingModbus Communication Protocol RegmodeCommand 08- Diagnostic Modbus CommandsCommand 03-Read Holding Registers Command 17- Report Slave ID Command 11- Get Com Event CounterCommand 12- Get Com Event Log Command 43- Read Device ID Base Radio Holding RegistersRegister Address Description Register Type Register Address DescriptionBase Radio Device Type Registers Base Radio Device Status RegistersBase Radio On/Offline Transmitter Registers Value Base Radio Device StatusDevice ID Mapping Mode Register Mapping ModeTransmitter Holding Registers Register AddressTransmitter Device Type Holding Registers Value Device TypeAlarm Condition WN571 only Square Root FunctionTransmitter Device Status Registers Value Transmitter Device StatusTechnical Specifications Overall Base Radio Dimensions Appendix a Navigating the Menus Appendix B Base Radio Menu Map Figure A- 1 Base Radio Menu MapAppendix C Modbus Register Definitions Page Page Page Honeywell