Modicon M251 Plc Page 2 Modicon M251 logic controllers

2 Selection guide Modicon M251 logic controllers Applications Controlling modular machines on distributed architectures Supply voltage 24 V c I/O extension v 7 Modicon TM3 expansion modules v 14 Modicon TM3 expansion modules with the use of bus expansion modules (transmitter and receiver) v Possible use of Modicon TM2 expansion modules with restrictions Embedded communication Ethernet link b Ethernet 1: 2 ports connected by a switch, Machine or Factory network (2 RJ 45 connectors) b Ethernet 2: 1 fieldbus Ethernet port (1 RJ 45 connector with Industrial Ethernet manager service (EtherNet/IP and Modbus TCP) Modbus TCP (client & server), slave Modbus TCP, DHCP Client dynamic configuration, programming, downloading, monitoring. Firmware update, data exchange - NGVL and IEC VAR ACCESS, Web server, target EtherNet/IP, originator EtherNet/IP (Ethernet port 2). MIB2 SNMP network management, FTP file transfer. CANopen Serial link b 1 serial link port (RJ 45 connector) RS 232/RS 485 with +5 V supply Options Communication modules b 1 Ethernet port module with switch function (4 embedded ports) b 1 module for slave Profibus DP link Mounting Mounting on 5 symmetrical rail or panel Software programming With SoMachine software (Please consult on our website: Controller type TM251MESE Pages 11

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