ModbusPlustoEthernetBridge
3
Figure1 BridgeOverview
BRIDGE
8DataPaths
TCP/IP
ModbusPlus
BP85
ModbusPlus
Bridge
Ethernet
ModbusPlus
ModbusPlus
Additional
Networks
Interface
Interface
8ProgramPaths
The bridge maintainstwointernalmapping tablesthatprovide address mapping
between IPaddresses(255.255.255.255)and ModbusPluspath addresses
(64.64.64.64.64).The usercan define the mapping atalocalkeyboard and
monitorconnection,usingaconfiguration utilitythatis stored inthe bridge.
Mapping tables can also be downloaded byHTTPfromthe Ethernethost tothe
bridge. If neithermethod isused, the bridge providesdefaultmapping tables.
The usercan assign the bridgesIPaddressthrough a BOOTPserverusing the
bridgesMACaddress,orlocallybymeansofthe bridges configuration utility.
The bridgesModbusPlusaddressisassigned in hardwareswitcheson the
bridgesModbusPluscard.
The bridge is supplied with bracketsformountingonaverticalpanelorhorizontal
shelf. Itsrearpanelhas connectorsforthe networks and foroperating power,and
LEDindicatorsforthe power,EthernetandModbusPlus communication status.