B&B Electronics MESR9xx manual Link Status, MAC Address, Modbus Priority, Modbus Serial Retries

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4. Properties

Vlinx MESR9xx Modbus Gateway

MESR9xxModbus gateways come from the factory with a default static IP address of 192.168.0.1, but will be reconfigured automatically via DHCP as appropriate.

If you need to change the static IP address and do not know what address to use, consult your network administrator.

Link Status

Link Status of the currently selected Modbus gateway is shown on the Login page of Vlinx Manager. Link status indicates the type of Ethernet connection between the computer and Modbus gateway. It will either display 10BaseT or 100BaseTX in full duplex or half duplex. Link status is dependant on the LAN, switches, hubs used in the LAN topology.

MAC Address

The MAC Address is a hardware level address of the Modbus gateway that cannot be changed. It is assigned in the factory. Every Ethernet device manufactured has it own unique MAC address. The MAC address of each Modbus gateway is printed on the device's label. The MAC address of the currently selected Modbus gateway is also displayed on the Login page of Vlinx Manager.

Modbus Priority

This allows the gateway to move high priority messages to the front of the serial message buffer. The priority can be based on the originating IP address, the Modbus ID, the Modbus function code, or any combination of the three. Up to five different priorities can be set.

The default will have all the check boxes unchecked and all the fill in boxes blank.

Modbus Serial Retries

This is the maximum number of times that the Modbus gateway will retry to send a Modbus message to a Modbus client, before reporting a 0Bh exception if it is selected. This should be limited to between 0 and 5.

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Manual Documentation Number MESR9xx-4508m

 

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Contents Vlinx MESR9xx Modbus Gateways Vlinx MESR9xx Table of Contents Upgrading the Modbus Gateway Firmware Introduction About MESR9xx Modbus GatewaysMESR9xx Modbus Gateway Model Numbering Model Number Features List of MESR9xx Modbus Gateway ModelsMESR9xx Modbus Gateway Features MESR901-SCVlinx Manager Configuration Software MESR9xx Modbus Gateway Hardware Package ChecklistMESR9xx Modbus Gateway Enclosures and Mounting LED Indicators E1/E2 Ethernet Link LEDReady LED Serial Port LEDsMode Switch Ethernet ConnectorFiberoptic Connectors Serial Port ConnectorsPower Connector Mounting HardwareHardware Vlinx MESR9xx Modbus Gateway Connecting the Power Supply Modbus Gateway Setup and ConnectionsConnecting MESR9xx Modbus Gateways to Modbus networks Connecting the MESR9x1-x Connecting the MESR9x2T-x Connecting the MESR9x2D-xConnecting MESR9xx Modbus Gateways to a Network MESR9xx Modbus Gateway Configuration ConnectionsNetwork Connection 10BaseT/100BaseTX Fiberoptic ConnectionTo open Vlinx Manager Vlinx Manager Login Screen Using MESR9xx Modbus Gateways in Direct IP Mode MESR9xx Modbus Gateway Operational ConnectionsInitiating a Hardware Reset on the Modbus Gateway Direct IP ConnectionReloading Factory Defaults Character Timeout Configuration FilesDescription, Modbus Gateway Properties AttachedDefault Gateway Data/Parity/StopFirmware Version Hardware VersionID Routing IP AddressLink Status MAC AddressModbus Priority Modbus Serial RetriesModbus Message Timeout Modbus AsciiModbus Message Buffering Modbus RTU MessageNetwork Mode Modbus TCP MessageModel Network ProtocolsPort# ID Remap PasswordSerial Interface Modes Gateway Serial Port Number Modbus Gateway NameSubnet Mask TCP Transmission Control Protocol Firmware Upgrade Dialog Box Upgrading the Modbus Gateway FirmwareDownloading Firmware Files Uploading the Firmware to the Modbus GatewayWhen the upgrade process is complete, click Close Diagnostics Testing a Modbus Gateway ConnectionDiagnostics Vlinx MESR9xx Modbus Gateway From Serial Master to Modbus Gateway, Slave IDs Configurable Application ExamplesFrom Serial Masters To Ethernet Master, Slave IDs Fixed Keep Serial Master, Add Ethernet MastersModbus RTU, ASCII, and TCP Integration Time Critical Control, Direct and Remotely MonitoredModbus Help Modbus ASCII/RTU BasicsHints and Tips Appendices Appendix a Default Gateway Settings Setting Default Value Gateway NamePassword Password field is blank from factory EnabledAppendix B Product Specifications General Specifications Controls, Indicators and Connector Specifications SwitchesIndicators ConnectorsSerial Interface Specifications Network Specifications Appendix C Dimensional Diagrams Appendices Vlinx MESR9xx Modbus Gateway Appendices Vlinx MESR9xx Modbus Gateway Appendices Vlinx MESR9xx Modbus Gateway MESR901-x Serial Port Pinouts Appendix D Connector PinoutsDB-9M Pin Terminal MESR902D-x Serial Port Pinouts MESR902T-x Serial Port Pinouts Standard Ethernet Cable RJ-45 Pin-out RJ-45 PinGlossary Term DefinitionPDU

MESR9xx specifications

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