Modicon M340 Plc Page 2-6 Communication

2 1 3 4 5 6 7 8 9 10 2 1 3 4 5 6 7 8 9 10 Selection guide (continued) Modicon M340 automation platform Communication, integrated ports and modules Applications Modbus Plus communication Type of device M340 Modbus Plus proxy module (external) Network protocols Ethernet Modbus/TCP Modbus Plus Structure Physical interface 10/100BASE-T Modbus Plus standard Type of connector Two RJ45 connectors Two 9-way female SUB-D connectors Access method CSMA-CD Token ring Data rate 10/100 Mbps 1 Mbps Medium Double shielded twisted pair copper cable, category CAT 5E (direct or crossover) Twisted pair copper cable Configuration Maximum number of devices 128 32 per segment 64 for all segments Max. length 100 m/ 328.08 ft 450 m/ 1476.37 ft per segment 1800 m/ 5905.49 ft with 3 repeaters Number of links of the same type per station 1 max. Standard services Modbus/TCP messaging Modbus Plus messaging Conformity class Embedded Web server service Standard service Configuration, diagnostics Configurable services Communication services Modbus Plus server (scanned by the PLC) Reading/writing variables FDR service Global database SNMP agent network management service Peer Cop service 24 V c external power supply 19.231.2 V Module types TCSEGDB23F24FA Page 2/27 2/6

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