Technical information

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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 450 m per segment
1800 m 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
19.2…31.2 V
Module types
TCS EGDB23F24FA
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