Lumel P30U series - TCP;IP Modbus

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5.1.4. TCPIP Modbus
 P30U transducers enable accessto internal registers using
theEthernetinterfaceandTCP/IPModbusSlaveprotocol.Thefunctions
of Modbus protocol and structure of registers have been discussed
in section 5.9.3-5.9.6. It is required to set an unique IP address
forthetransducerandtosetconnectionparametersspecifiedintable
45tosetuptheconnection.
Table45
Symbol Description
Default
value
AddrmTCP
DeviceaddressforTCP/IPModbusprotocol
1
PortMbus
TCPModbusportnumber
502
TimeMbus
TCP/IPModbusserviceclosingtime[s]
60
no.c.TCP
Maximum number of simultaneous connections
withTCP/IPModbus
4
The device address   (Ethernet → Adr mTCP)
is the device address for TCP/IP Modbus protocol and does not
correspond to the address value for RS-485 Modbus protocol
(Mbus 485 → Adres).IfAdr mTCPtransducerparameterisset
to“255”,thetransducerwillbypasstheaddressanalysisintheModbus
protocolframe(broadcastmode).