Modicon M340 Plc Page 2-7 Communication

2 1 3 4 5 6 7 8 9 10 2 1 3 4 5 6 7 8 9 10 Profibus DP and Profibus PA communication Profibus Remote Master (PRM) module (external) Ethernet Modbus/TCP Profibus DP V1 Profibus PA (via gateway) 10BASE-T/100BASE-TX Isolated RS 485 Two RJ45 connectors (supporting daisy chain topology) One 9-way female SUB-D connector CSMA-CD Master/slave 10/100 Mbps 9.6 Kbps...12 Mbps Double shielded twisted pair copper cable, category CAT 5E (direct or crossover) Shielded twisted pair copper cable Several PRMs can be connected to the Ethernet port on the M340, Premium or Quantum PLC, as long as the I/O scanner capacity is not exceeded 125 slaves 100 m/ 328.08 ft (copper) 1200/ 3937 ft (9.6 Kbps), 4800 m/ 15,747.98 ft with 3 repeaters, 100 m/ 328.08 ft (12 Mbps), 400 m/ 1312.33 ft with 3 repeaters Modbus/TCP messaging Cyclic and acyclic data exchange with slaves Transparent Ready Class A20 Class 1 and Class 2 Modbus server (scanned by the PLC) Master/slave communication FDR service Global Control service SNMP agent network management service Acyclic communication (read/write) in Class 1 and Class 2 Support for extended diagnostics Auto-scanning service of slaves on the bus 1830 V TCSEGPA23F14F 2/29 2/7

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