Modicon M251 Plc Page 1 General Contents

1 Modicon TM M251 logic controllers b Selection guide: Modicon TM M251 logic controllers ...............................page 2 b Presentation - Applications, key features ...................................................................... page 4 - Embedded connection ........................................................................... page 4 - Options ....................................................................................... pages 5 and 6 - Communication modules ....................................................................... page 5 - I/O extensions with Modicon TM3 expansion modules .......................... page 7 - Embedded communication ......................................................... pages 8 and 9 b Description - Modicon M251 logic controllers ........................................................... page 10 b References - Modicon M251 logic controllers ............................................................ page 11 - Options ................................................................................................. page 11 - Separate parts, software, cordsets ....................................................... page 11 Modicon TM4 communication modules b Ethernet switch module - Presentation, description ..................................................................... page 12 - References .......................................................................................... page 13 b Profibus DP slave module - Presentation, description ..................................................................... page 12 - References ......................................................................................... page 13 Communication bus b Serial links (Modbus protocols, character mode) - Presentation, description ..................................................................... page 14 - References ............................................................................. pages 14 and 15 b CANopen Architecture - Presentation, description ..................................................................... page 16 - References .......................................................................................... page 17 b Industrial Ethernet - Presentation ........................................................................................ page 18 - Main equipment supported .................................................................. page 19 - Web Server ......................................................................................... page 19 - Ethernet services description............................................................... page 20 - Transparent Ready class and Functions.............................................. page 21 - Description of Ethernet embedded ports on controllers ....................... page 21 - Industrial Ethernet architecture ............................................................ page 22 - Connection cable references ............................................................... page 23 b Communication with modem and router - Presentation, description..................................................................... page 24 - References .......................................................................................... page 25 Compatibility b Compatibility of Modicon TM2 expansion modules with Modicon M251 logic controllers ......................................................... page 26 Products reference index ................................................................. page 27 General contents

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