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www.se.comCatalog Programmable Logic Controller for modular and distributed architecturesModicon M251
Discover ModiconEdge control for Industrial IoTModicon IIoT-native edge controllers manage complex interfaces across assets and devices or directly into the cloud, with embedded safety and cybersecurity. Modicon provides performance and scalability for a wide range of industrial applications up to high-performance multi-axis machines and high-available redundant processes.Explore our oer- Modicon HVAC Controllers- Modicon PLC- Modicon Motion Controllers- Modicon PAC- Modicon I/O- Modicon Networking- Modicon Power Supply- Modicon Wiring- Modicon SafetyModicon
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1General contentModicon M251Programmable Logic Controller for modular and distributed architecturesIntroduction to EcoStruxure Machine .............................page 2Selection guide: controllers for industrial machines .................page 4Machine automation ...........................................page 6Selection guide: ModiconTM M251 logic controllers ..................page 8 b Presentation - Applications, Main functions, .............................................................. page 10- Options: memory card, communication modules ..................................page 11- Communication via modem and router ............................................... page 12- I/O extensions with Modicon TM3 expansion modules ........................ page 13- Control architecture for modular machines on Ethernet network ........... page 14 - Control architecture for modular machines on CANopen bus .............. page 15- Communication over SAE J1939 ......................................................... page 15- Serial link ............................................................................................. page 15 b Description- Modicon M251 logic controllers ........................................................... page 16 b Characteristics of M251 logic controllers (Conformity, Environmental characteristics, Power supply characteristics) ...................................................................... page 16 b References - Modicon M251 logic controllers ........................................................... page 17- Options ................................................................................................ page 17- Separate parts, software, cordsets ...................................................... page 17Modicon TM4 communication modules b Ethernet switch module- Presentation, description ..................................................................... page 18- References .......................................................................................... page 19 b Probus DP slave module- Presentation, description ..................................................................... page 18- References ......................................................................................... page 19 Products reference index- Index.................................................................................................... page 20
To be competitive in today’s digital era, machine builders must be innovative. Smart machines, those that are better connected, more exible, more ecient, and safe, are enabling machine builders to innovate in ways never before possible. – Apps, Analytics & ServicesSeamless integration of machines to the IT layer allows the collection and aggregation of data ready for analysis – for machine builders and end users alike this means increased uptime and the ability to nd information faster for more ecient operations and maintenance.EcoStruxure, Schneider Electric’s open, IoT-enabled architecture and platform, oers powerful solutions for the digital era. As part of this, EcoStruxure Machine brings powerful opportunities for machine builders and OEMs, empowering them to oer smart machines and compete in the new, digital era.EcoStruxure Machine brings together key technologies for product connectivity and edge control on premises, and cloud technologies to provide analytics and digital services.EcoStruxure Machine helps you bring more innovation and added value to your customers throughout the entire machine life cycle.Innovation at Every Level for Machines is full systems across three layers: – Connected productsOur connected products for measuring, actuating, device level monitoring, and control adhere to open standards to provide unmatched integration opportunities and exibility – Edge ControlWe are IIoT-ready with a proven set of tested and validated reference architectures that enable the design of end-to-end open, connected, and interoperable systems based on industry standards. Ethernet and OPC UA facilitates IT/OT convergence meaning machine builders reap benets from web interfaces and cloud.These levels are completely integrated from shop oor to top oor. And we have cloud oers and end-to-end cybersecurity wrapped around.EcoStruxure Machine makes it easier for OEMs/machine builders to oer their customers smarter machines. The advent of smart machines is driven by the changing needs of end users: – Evolving workforce – Reducing costs – Dynamic markets – Shorter life cycles – Prioritizing safety and cybersecurityEcoStruxure Machine provides one solution for the whole machine life cycle: – With Smart Design & Engineering the time to market is reduced by up to 30% using our automated engineering and the simulation capabilities – During Commissioning & Operation of the machine, resources such as energy, material and loss can be improved, and with seamless integration to the IT world eciency can be improved by up to 40% – Smart Maintenance & Services reduces the time for corrective actions up to 50%* The Schneider Electric industrial software business and AVEVA have merged to trade as AVEVA Group plc, a UK listed company. The Schneider Electric and Life is On trademarks are owned by Schneider Electric and are being licensed to AVEVA by Schneider Electric.EcoStruxureTM ArchitectureEnd-to-end CybersecurityCloud and/or On PremiseApps, Analytics &ServicesEdgeControlConnected productsHarmonyIIoT Box and Industrial PCSensors & RFIDTeSys GalaxyVariable speed drives and soft starters ModiconIndustrial Edge Control for IIoTEcoStruxure Machine ExpertEcoStruxureMachine SCADA Expert Advanced motion control and roboticsEcoStruxure Machine AdvisorEcoStruxure Secure Connect AdvisorAsset PerformanceMonitor and Control*EcoStruxure Augmented Operator AdvisorFood & Beverage Machines PackagingMaterial Working &HandlingMachineHoistingElectronics PumpingHarmonyField ServicesAdvanced operator interfacesand industrial relaysAltivar Lexium Innovative and connected solutions for motor startersUninterruptable 3-phase power for IT and industrial applicationsPact SeriesWorld-class breakers and switches
4 5Selection guideModicon M251Programmable Logic Controller for modular and distributed architecturesControllers for industrial machines4 5Applications TypeLogic controller Logic/motion controller Motion controllerSpecicationFor hardwired architectures For performance-demanding applications For modular and distributed architectures IIoT ready for performance machines For automating machines/lines with 0 - 130 servo or robot axesMemory 640 KB RAM, 2 MB Flash 64 MB RAM, 128 MB Flash 64 MB RAM, 128 MB Flash 192 MB RAM, 256 MB Flash 128 KB to 256 KB NV RAM, 512 MB DDR2 to 1 GB DDR3LSupply voltage 24 V c or 100...240 V a 24 V c or 100...240 V a 24 V c 24 V c 24 V cCommunication eldbus and networksEmbedded b EtherNet/IP Adapter b Modbus TCP b RS 232/RS 485 Serial Line b USB mini-B programming port b EtherNet/IP b Modbus TCP b CANopen (master) and SAE J1939 b Serial Line b USB mini-B programming port b EtherNet/IP b Modbus TCP b CANopen (master) and SAE J1939 b Serial Line b USB mini-B programming port b EtherNet/IP b Modbus TCP b Sercos III b Serial Line b USB mini-B programming port b EtherNet/IP b Sercos III b CANopen b Probus b Pronet b EtherCATOPC Unied Architecture (OPC UA)– b Server b Server b Server (encrypted) b Client (encrypted) (depending on reference) b Server (encrypted) b Client (encrypted)Optional b 1 Serial Line b Ethernet b Probus DP b Ethernet b Probus DP b Ethernet, EtherNet/IP Adapter b CANopen Master b CANopen b Probus DP b RT-EthernetEmbedded I/O Input types Up to 40 logic inputs2 analog inputsUp to 24 logic inputs – 4 fast digital inputs Up to 20 digital inputsUp to 16 touch probe inputsUp to 4 interrupt inputsUp to 2 analog inputsOutput types Up to 16 relay outputsUp to 16 tansistor outputsUp to 16 tansistor outputs – 4 fast digital outputs Up to 16 digital outputsUp to 2 analog outputsSynchronized axes – – – Up to 24 synchronized axes Up to 130 synchronized axesConguration software EcoStruxure Machine Expert-Basic EcoStruxure Machine ExpertCompatible expansion I/O module ranges (Consult the catalog) p Local I/O p Modicon TM3 (DIA3ED2140109EN) p Modicon TM3 (DIA3ED2140109EN) p Modicon TM3 (DIA3ED2140109EN) p Modicon TM3 (DIA3ED2140109EN) – p Remote I/O p Modicon TM3 (DIA3ED2140109EN) p Modicon TM3 (DIA3ED2140109EN) p Modicon TM3 (DIA3ED2140109EN) p Modicon TM3 (DIA3ED2140109EN) – p Distributed I/O on Ethernet p Modicon TM3 (DIA3ED2140109EN) p Modicon TM3 (DIA3ED2140109EN) p Modicon TM5 (DIA3ED2131204EN) p Modicon TM3 (DIA3ED2140109EN) p Modicon TM5 (DIA3ED2131204EN) p Modicon TM3 (DIA3ED2140109EN) p Modicon TM5 (DIA3ED2131204EN) p Modicon TM5 (DIA3ED2131204EN) p Distributed I/O on CANopen – p Modicon TM3 (DIA3ED2140109EN) p Modicon TM3 (DIA3ED2140109EN) p Modicon TM3 (DIA3ED2140109EN) p Modicon TM5 (DIA3ED2131204EN) p Modicon TM7 (DIA3ED2140405EN) p Modicon TM3 (DIA3ED2140109EN) p Modicon TM5 (DIA3ED2131204EN) p Modicon TM7 (DIA3ED2140405EN) p Distributed I/O on Sercos – – – p Modicon TM5 (DIA3ED2131204EN) p Modicon TM5 (DIA3ED2131204EN) p Distributed I/O on Modbus Serial Line p Modicon TM3 (DIA3ED2140109EN) p Modicon TM3 (DIA3ED2140109EN) p Modicon TM3 (DIA3ED2140109EN) p Modicon TM3 (DIA3ED2140109EN) – p Safety I/O p Modicon TM3 (DIA3ED2140109EN) p Modicon TM3 (DIA3ED2140109EN) p Modicon TM3 (DIA3ED2140109EN) p Modicon TM3 (DIA3ED2140109EN) p Modicon TM5 (DIA3ED2131204EN) p Modicon TM7 (DIA3ED2140405EN) p Modicon TM5 (DIA3ED2131204EN) p Modicon TM7 (DIA3ED2140405EN)Controller rangeModicon M221/M221 Book Modicon M241 Modicon M251 Modicon M262 PacDrive LMC Eco, LMC Pro2More details Consult the catalogsDIA3ED2140106EN DIA3ED2140107EN DIA3ED2140108EN DIA3ED2180503EN DIA7ED2160303ENTry the conguration toolModicon PLC congurator > Select your architecture of controller and I/O by- Usage and application- Connectivity, services and IIOT (Protocols, WeB and communication services)- I/O- Power supply
6PresentationModicon M251Programmable Logic Controller for modular and distributed architecturesMachine AutomationMachine control> From basic to motion- and robot-centric machines with the PacDrive 3 oer, Modiconcontrollers and solutions bring a consistent and scalable response to achieving exibility, performance, productivity and digitization.The scalability and consistency of I/O ranges allow you to select the right oer depending on your needs> Modicon TM3 Optimized I/O system for more compact and modular machines> Modicon TM5 for more performance-demanding machines, with Modicon TM7 for harsh environments: Both Performance I/O ranges (Modicon TM5 and Modicon TM7) allow safety functions to be implemented using Modicon TM5CSLC safety logic controllerEmbedded Safety provides holistic solutions to Modicon M262 and PacDrive 3 LMC controllers, increasing overall safety demand in Machine Automation> Harmony XPS Universal safety modules cover a wide range of safety functions, suitable for small applications with 4-5 safety functions, with diagnostic information provided to controllers via a single wire connection> Modicon TM3 safety functional modules are suitable for small applications covering E-Stop functions and diagnostics via TM3 I/O bus> Modicon MCM modular safety controllers are suitable for medium size applications with up to 64 dual channel safety functions and diagnostics via Modbus TCP, Modbus RTU, EtherNet /IP, CANopen, EtherCAT and ProbusAll of those devices are managed within a single software, EcoStruxure Machine Expert, a powerful and collaborative engineering environment> EcoStruxure Machine Expert – Safety: an optional addon for programming safetylogic controllers> EcoStruxure Machine Expert – Basic: a software for programming Modicon M221logic controllers, an intuitive standalone environment accessible to basic skilled technicians> EcoStruxure Machine Advisor: a cloud-based services platform designed for machine builders to track machines in operation worldwide, monitor performance data and resolve exceptional events, while reducing support costs by up to 50%Machine AutomationEcoStruxure Machine Expert TwinEcoStruxure Machine Expert – SafetyEcoStruxure Machine Expert - BasicEcoStruxure Machine AdvisorEcoStruxure Machine ExpertModicon M221 Modicon M241 Modicon M251Safety SLCModicon M262Embedded Logic MotionEmbedded Safety SLCPacDrive LMC Eco/ProFor basic and compact machinesFor modular and distributed machinesFor Logic and Motion IIoT-ready performance machinesFor Motion-centric machines, robots and linesSoftwareControllersI/OSafetyModicon TM5 and Modicon TM7 Performance Safe I/O systemsModicon TM3 Optimized I/O systemHarmony XPS Universal safety moduleModicon TM3 functional safety moduleModicon MCM modular safety controllerModicon TM5 and Modicon TM7 Performance I/O systemsEcoStruxure Machine Advisor Code Analysis
7Presentation (continued)Modicon M251Programmable Logic Controller for modular and distributed architecturesMachine AutomationMachine AutomationComprehensive Schneider oers for machine builders> Lexium servo drives, motors and robotics are designed to control applications ranging from a single independent axis up to high-performancesynchronized multi-axis machines requiring high-speed and precise positioning and movementsMulti carrier systems Robotics Integrated drives Servo Drives & Motors Steppers Drives & Motors> The Lexium oer is designed for a broad range of motion-centric machines in applications such as Packaging, Material Handling, MaterialWorking, Food and Beverage and Electronics> Schneider Electric has developed Tested Validated &Documented Architectures (TVDA) applicable for generic machine control applications as well as for dedicated segment applications such as Packaging, Material Working, Material Handling, Hoisting, Pumping, or generic Machine Control applicationsChoose Schneider Electric to help secure your investment and benet from worldwide services at every step of your project34521RenewBeing your expert to control and renew your aging equipment at the right time and at optimal costPlanDiscussing your maintenance policy and needs arising from itOptimizeIdentifying how you can get even more out of your equipment and further improve your return on investmentInstallDelivering services to help ensure your equipment is set up reliably and starts to operate eciently from day oneOperateProviding services to support you during normal operations as well as during maintenance breaks and in unexpected situationsCollaborating to maximize your uptime and performance as well as become more proactive in operationsHow do I renew my solution ?What are my options ?How do I install and commission ?How do I operate and maintain ?How do I optimize ?Asset Management Lifecycle> From planning and inception to modernization, we help ensure optimal technical and business performance. Our eld service engineerscombine 30+ years of manufacturer-level experience with the latest technology to bring innovation to every level of our oer and every stepof your project.> Our machine control dedicated services empower you to maximize your business infrastructure and face increasingly stringent demands on productivity, safety, equipment availability and performance optimization.
8 88 9Selection guideModicon M251Programmable Logic Controller for modular and distributed architecturesApplications Controlling modular machines on distributed architectures Controlling modular machines on distributed architecturesSupply voltage24 V c 24 V cI/O expansion 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. 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 communicationEthernet link b Ethernet 1: 2 ports connected by a switch, “Machine” or “Factory” (2 RJ 45 connectors) b Ethernet 2: 1 “eldbus” Ethernet port (1 RJ 45 connector with Industrial Ethernet manager service (EtherNet/IP and TCP I/O Scanner) v Protocols: Modbus TCP Client/Server, slave Modbus TCP, EtherNet/IP Adapter, EtherNet/IP Originator (Ethernet port 2), OPC UA Server (1). v Services: rmware update, data exchange - NGVL and IEC VAR ACCESS, WEB Server, MIB2 SNMP network management, FTP le transfer. FTP Client/Server, SNMP Client/Server, SQL (Client), Email library, email sending and receipt, DHCP Client dynamic conguration, programming, downloading, monitoring, SNMP Client/Server V1 & V2, SNTP Client, DNS Client. b Ethernet: 2 ports connected by a switch, “Machine” or “Factory” (2 RJ 45 connectors) v Protocols: Modbus TCP Client/Server, slave Modbus TCP, EtherNet/IP Adapter, OPC UA Server (1). v Services: rmware update, data exchange - NGVL and IEC VAR ACCESS, WEB Server, MIB2 SNMP network management, FTP le transfer. FTP Client/Server, SNMP Client/Server, SQL (Client), Email library, email sending and receipt, DHCP Client dynamic conguration, programming, downloading, monitoring, SNMP Client/Server V1 & V2, SNTP Client, DNS Client.CANopen link– b 1 port for CANopen eldbus (1 x 9-way SUB-D connector) with CANopen (Master) and SAE J1939 Request Manager protocolsSerial link b 1 serial link port (RJ 45) RS 232/RS 485 with +5 V supply b 1 serial link port (RJ 45) RS 232/RS 485 with +5 V supplyOptions Communication modules b 1 Ethernet port module with switch function and 4 embedded ports b 1 module for slave Probus DP link b 1 Ethernet port module with switch function and 4 embedded ports b 1 module for slave Probus DP linkMounting Mounting on 5 symmetrical rail or panel Mounting on 5 symmetrical rail or panelSoftware programmingEcoStruxure Machine Expert, consult catalog DIA3ED2180701EN EcoStruxure Machine Expert, consult catalog DIA3ED2180701ENController typeTM251MESETM251MESCPage17 17(1) OPC UA function which can be activated on request.
10PresentationModicon M251Programmable Logic Controller for modular and distributed architecturesGeneral presentationPresentationApplicationsModicon M251 controllers oer an innovative, high-performance solution in the eld of modular machines and distributed architectures.Thanks to their compact dimensions, they can optimize the size of wall-mounted and oor standing control system enclosures.Since Modicon M251 controllers have no embedded I/O, eld devices such as variable speed drives and remote I/O are connected on either the CANopen and SAE J1939 machine buses, or over the Ethernet network.Modicon M251 controllers have an embedded Ethernet port oering FTP Client/Server, Web Server, SQL Client, SNMP Client/Server V1 and V2, OPC UA Server, SNTP Client and DNS Client services, meaning they can easily be integrated in control system architectures for remote monitoring and maintenance of machines by means of applications for smartphones, tablets and PCs.The wealth of embedded functions minimizes the cost of the machine:- Functions embedded in the controller: Modbus serial link, USB port dedicated to programming, Ethernet I/O Scanner, CANopen and SAE J1939 eldbuses fordistributed architectures and advanced position control functions (PLCopen libraries).- Functions embedded in Modicon TM3 expansion modules (1): functional safety modules, motor-starter control module and remote expansion system.- Functions embedded in Modicon TM4 communication modules.The processing power and the memory size of M251 controllers are ideal for targeting high-performance applications.EcoStruxure Machine Expert programming software (2) is powerful and intuitive, making it quick to create applications.Main functions v Both Modicon M251 logic controllers come in an identical format (w x h x d): 54 x 90 x 95 mm (2.13 x 3.54 x 3.74 in.) v Modicon M251 controllers have no embedded I/O but can be combined with Modicon TM3 expansion modules. v Every M251 controller has a Run/Stop switch. v A slot for an industrial SD memory card (Secure Digital card) is available on every M251 controller. v Each M251 controller has a QR code for direct access to its technical documentation.Embedded communicationM251 logic controllers incorporate up to 5 communication ports: v The TM251MESE controller incorporates:- an “Ethernet 1” (3) network with 2 RJ 45 ports connected by an internal switch, this network being mainly for communication between machines or to your factory network- an “Ethernet 2” (3) network with an RJ 45 port, optimized for connecting elddevices (variable speed drives, distributed I/O, etc.) by means of the Ethernet I/O Scanner service (Industrial Ethernet Manager). This port can also be connected to a factory network. v The TM251MESC controller incorporates:- an “Ethernet” (3) network with 2 RJ 45 ports connected by an internal switch, this network being mainly for communication between machines or to your factory network- a CANopen port (CANopen master/SAE J1939 Request Manager) for connecting eld devices (variable speed drives, distributed I/O, etc.) v Moreover, both these M251 logic controllers incorporate:- a serial link port- a programming portProcessing powerProgrammingModicon M251 logic controllers are programmed with EcoStruxure Machine Expert, consult catalog DIA3ED2180701EN.(1) Consult catalog DIA3ED2140109EN.(2) Consult catalog DIA3ED2180701EN.(3) Ethernet with embedded Web server function.EcoStruxure Machine Expert softwareTM251MESCTM251MESEQRcode for access to the TM251MESC logic controller technical documentationDIA3ED2140109EN DIA3ED2180701ENv DualCore processorv RAM: 64 MBv Flash memory: 128 MBv Program: 128 K Boolean instructions
11Presentation (continued)Modicon M251Programmable Logic Controller for modular and distributed architecturesOptions for Modicon M251 logic controllersOptions for Modicon M251 controllersMemory cardThe TMASD1 industrial SD memory card, 256 MB capacity, is available for: v application backup v program transfer v data logging v rmware updateCommunication modules (1)2 communication module models are dedicated to Modicon M251 logic controllers: v the TM4ES4 Ethernet switch module v the TM4PDPS1 slave Probus DP moduleModicon TM4 communication modules are assembled by simple interlocking on the left-hand side of the controllers and a bus expansion connector is used to distribute data and the power supply.Up to 3 communication modules can be added on the left of M251 logic controllers.See page 18. b Ethernet switch module v The TM4ES4 module is a 4-port Ethernet interface (10/100 Mbps, MDI/MDIX) with the following protocols: Ethernet Modbus TCP (Client/Server), EtherNet/IP (Adapter/Originator), UDP, TCP, SNMP and EcoStruxure Machine. v Clipped onto the left-hand side of a Modicon M251 controller, it consists of an autonomous switch with 4 ports, supplied by the Modicon M251 controller. b Slave PROFIBUS DP module v The TM4PDPS1 communication module can be used to congure a Master connection on the PROFIBUS DP bus.(1) For rules for combining Modicon TM4 communication modules and Modicon M251 logic controllers, see page 18.M251 logic controllerCommunication modulesIndustrial SD memory cardProbus EthernetEthernet 1Ethernet 2
12Presentation (continued)Modicon M251Programmable Logic Controller for modular and distributed architecturesCommunication via modem and routerCommunication via modem and routerThe communication via modem and router oer is dedicated to the following applications:b Synchronization between remote machines; direct data exchange between controllers.b Remote maintenance; access to the controller via the EcoStruxure Machine Expert programming software.b Remote control and monitoring of machines; receipt of information and sending commands on a GSM/UMTS phone (1).This oer comprises a Schneider Electric modem, GSM/UMTS modem and a VPN router made by eWon.For the modem and router, please consult our website.(1) Global System Mobile (2G)/Universal Mobile Telecommunications System (3G).Communication via modemProgramming PC with EcoStruxure Machine Expert softwareTM221MpppTM221CpppTM241Cppp TM251Cppp TM262ppp GSM/UMTS linkSerial linkCommunication via routerProgramming PC with EcoStruxure Machine Expert softwareFirewallTM221MpppTM221CpppTM241CpppTM251MESpTM262ppp Ethernet link
13Presentation (continued)Modicon M251Programmable Logic Controller for modular and distributed architecturesI/O expansion with Modicon TM3 expansion modulesI/O expansion with Modicon TM3 modulesModicon TM3 expansion modulesModicon M251 logic controllers have no embedded I/O, yet can still take Modicon TM3 expansion modules for connecting sensors and actuators locally:v digital I/O modules for creating configurations with up to 448 digital I/Ov analog I/O modules for creating configurations with up to 112 analog I/O, to receive the signals from, for example, position, temperature, and speed sensors and also capable of controlling variable speed drives or any other device with a current or voltage inputv expert modules for controlling TeSys motor-starters, connected with RJ 45 cordsets to simplify wiring the control sectionv functional safety modules which simplify wiring and can be congured in the EcoStruxure Machine Expert softwareIn addition, the Modicon TM3 expansion system is exible due to the possibility of remotely locating some of the Modicon TM3 modules in the enclosure or another cabinet, up to 5 meters (16.404 ft) away, using a bus expansion system.The Modicon TM3 expansion system is common to the ranges of Modicon M221, M241 and M251 logic controllers, and Modicon M262 Logic/Motion controller meaning that applications can be upgraded without changing expansion module.I/O congurationEcoStruxure Machine Expert software is used to congure the local and remote I/O and distributed I/O islands.Distributed I/O Distributed I/O266664444333377555577Local I/O Remote I/O24 V c 24 V c 81Ethernet1 TM4ES4 Ethernet switch communication module2 Modicon TM251MESE logic controller3 Digital I/O modules4 Analog I/O modules5 Expert module for controlling TeSys motor starters6 Functional safety modules7 Bus expansion modules (transmitter and receiver) and bus expansion cable8 TM3BC bus coupler moduleLocal I/OMaximum conguration: 7 Modicon TM3 expansion modules associated with a Modicon M251 logic controller. Remote I/OMaximum conguration : 14 Modicon TM3 expansion modules (7 local modules + 7 remote modules) with Modicon TM3 bus expansion modules (transmitter module and receiver module).The transmitter and receiver bus expansion modules can be used to:v increase the number of expansion modules that can be connected to a Modicon M25 logic controller from 7 to 14 v locate Modicon TM3 expansion modules remotely, up to 5 m (16.40 ft) awayThe transmitter module and receiver module are physically connected by a bus expansion cable, reference ACTPC6FULSppWE, or any other Cat 5E, F/UT cable up to 5 m (16.40 ft).Distributed I/OThe Modicon TM3BC bus coupler module is used to create distributed I/O islands on the Ethernet network.v The bus coupler module is connected via an isolated RJ45/RJ45 cable.v Maximum conguration: 14 Modicon TM3 expansion modules (7 modules + 7 modules) with the Modicon TM3 bus expansion system (transmitter module and receiver module).
14Presentation (continued)Modicon M251Programmable Logic Controller for modular and distributed architecturesEmbedded communicationEmbedded communicationControl architecture for modular machines on Ethernet networkM251 controllers have 2 embedded Ethernet ports connected by an RJ 45 switch (10/100 Mbps, MDI/MDIX) with the Modbus TCP, EtherNet/IP, UDP, TCP, SNMP and EcoStruxure Machine on Ethernet protocols. These ports are specically for communication between machines or to your factory network. These ports are marked “Ethernet” or “Ethernet 1”. v Every M251 controller has an embedded web server and FTP (Client/Server) server. As well as the default address based on the MAC address, a controller IP address can be assigned via a DHCP server or via a BOOTP, SQL Client and SNMP (Client/Server) server. v Ethernet ports also oer the same upload/download, update and debug functions as the programming port (USB mini-B) when the controller is supplied with power. v A rewall is used to lter the IP addresses that are authorized to access the controller and to lock each communication protocol. v TM251MESE controllers have, in addition to the 2 embedded “Ethernet and Ethernet 1” ports, an optimized “Ethernet 2” port for connecting eld devices (variable speed drives, distributed I/O, etc.), RJ 45 type, with EtherNet/IP Scanner, Modbus TCP I/O Scanner, Ethernet Modbus TCP Client/Server, EtherNet/IP Originator and Adapter, UDP, TCP, SNMP and EcoStruxure Machine services.- EtherNet/IP Scanner can be used to connect up to 16 slave devices managed by the controller in 10 ms (1024 input words + 1024 output words).- Modbus TCP I/O Scanner can be used to connect up to 64 slave devices managed by the controller in 64 ms.Connection cables and accessories for Industrial Ethernet network: please consult our catalog DIA3ED2160105EN.OPC UA ServerOPC UA ClientEthernet/IP ScannerModbus TCP I/O Scanner EcoStruxure Machine protocolHarmony STUModicon TM5Lexium 32Altivar Machine ATV320TM221CEpppTM4ES4 + TM251MESEEthernet
15Presentation (continued)Modicon M251Programmable Logic Controller for modular and distributed architecturesEmbedded communicationEmbedded communication (continued)Control architecture for modular machines on CANopen busEthernetCANopenTM251MESCATV312Lexium 32Modicon TM5Modicon TM7TM251MESC controllers have an embedded master CANopen port. v The link can be congured between 20 Kbps and 1 Mbps, and supports up to 63 slaves with 252 TPDO (1008 words) and 252 RPDO (1008 words). v CANopen-based architectures can be used to distribute I/O modules as close to the sensors and actuators as possible, thus reducing wiring costs and times, and to communicate with dierent devices such as variable speed drives, servo drives, etc.v The CANopen configurator is integrated in the EcoStruxure Machine Expert software and can also be used to import standard description les in EDS format.CANopen connection cables and accessories: please consult our catalog DIA3ED2160104EN.Communication on SAE J1939 networkThe SAE J1939 protocol is available on the CANopen port of the TM251MESC logic controller.The SAE J1939 protocol is mainly used in the commercial vehicles sector to communicate with the various electronic control units embedded in the same vehicle such as the engine, transmission, braking system, retarder and dashboard, etc.Serial linkEvery M251 controller has an embedded serial link that can be configured as RS 232 or RS 485.In addition, a 5 V/200 mA voltage is available on the RJ 45 connector, which can therefore power a Harmony STO or STU HMI or a Bluetooth® communication adapter, or other devices.This link incorporates the two most commonly used protocols on the market:v Master or Slave Modbus ASCII/RTUv Character string (ASCII)Connection cables and accessories for serial link: please consult catalog DIA3ED2160106EN.Programming port with power o charging functionThe programming port, equipped with a USB mini-B connector, is embedded in every M251 controller; it is dedicated to communication with a PC equipped with EcoStruxure Machine Expert for:v programmingv debuggingv maintenanceIn addition, it oers the ability to load an application program or update the rmware without the controller being powered by another source.
16Description, characteristicsModicon M251Programmable Logic Controller for modular and distributed architecturesModicon M251 logic controllersDescriptionM251 controllers1 Removable screw terminal block, 3 terminals for connecting the 24 V c supply.2 2 RJ 45 connectors connected by an internal switch for “Machine” or “Factory” Ethernet network, with exchange and activity speed LED indicator.3 On TM251MESE controller: RJ 45 connector for “eldbus” Ethernet 2 network with exchange and activity speed LED indicator.4 On TM251MESC controller: a connector for linking to the CANopen and SAE J1939 machine bus (9-way SUB-D).5 SL serial link port (RS 232 or RS 485): RJ 45 connector.6 Run/Stop switch.7 TM4 bus connector: communication bus for linking to TM4ppp communication modules.8 QR code for access to the controller technical documentation.9 Modicon TM3 bus connector for linking to a Modicon TM3 expansion module.10 LED display block showing: the status of the controller and its components (battery, industrial SD memory card), the status of the embedded communication ports (Ethernet 1 and 2, CANopen, serial link).Behind the removable cover 11, 12, 1311 Slot for the industrial SD memory card.12 Backup battery slot.13 A USB mini-B connector for a programming terminal.14 Lugs for panel mounting, with screws.15 Clip for locking on 5 symmetrical rail.Characteristics of M251 logic controllersConformity b Certications v e, cULus Listing Mark, C-Tick, EAC, LR, ABS, DNV and GL, cULus Haz. Loc. approval v ODVA and Achilles. b Standards v IEC/EN 61131-2 (Edition 2 2007), UL508 , ANSI/ISA 12.12.01-2007, CSA C22.2 No. 213, No. 142, E61131-2 and IACS E10.Environmental characteristics v Ambient operating temperature: - 10...+ 55°C (+14...+ 131°F) v Storage temperature: - 40...+ 70°C (- 40...+ 158°F) v Relative humidity: 5...95% (non-condensing)Operating altitude: v 0...2,000 m (0...6,562 ft): complete specication for temperature and exposure v 2,000…4,000 m (6,562…13,123 ft):- temperature derating: + 1°C/400 m (+ 1.8°F/1,312 ft)- insulation losses: 150 Vc/1,000 m (150 Vc/3,280 ft) v Storage altitude: 0...3,000 m (0...9,842 ft) v Immunity to mechanical stress:- For 1131: 5...8.4 Hz (amplitude 3.5 mm/0.138 in.); 8.4...150 Hz (acceleration 1 g)- For merchant navy: 5…13.2 Hz (amplitude 1.0 mm/0.039 in.); 13.2...100 Hz (acceleration 0.7g)Supply characteristics v 24 V c power supply v Voltage limit (including ripple): 19.2...28.8 V c v Immunity to micro-cuts (class PS-2): 10 ms v Max. consumption: 45 W12314567891011121315TM251MESE controller14TM251MESC controller412567891015111213
17ReferencesModicon M251Programmable Logic Controller for modular and distributed architecturesM251 logic controllers, options, separate parts, programming software, connection cablesTCSXCNAMUM3PTMASD1ReferencesModicon M251 logic controllers (1)Designation Embedded communication ports Reference WeightkglbEthernet 1 “Machine” or “Factory”(RJ 45)Ethernet 2 “Fieldbus” (RJ 45)CANopen (9-way SUB-D): CANopen and SAE J1939Serial link(RJ 45)24 V c power supplyM251 logic controllers2 (connected by a switch)1 – 1 TM251MESE 0.2200.4852 (connected by a switch)– 1 1 TM251MESC 0.2200.485Options for Modicon M251 logic controllersDesignation Description Reference WeightkglbIndustrial SD memory cardApplication backup and program transferCapacity: 256 MBTMASD1 0.0040.009Replacement partsDesignation Description Reference WeightkglbSet of power supply terminal blocks8 removable terminal blocks with screw terminals TMAT2PSET 0.1270.280Backup battery The battery supplied with each controller is not available as a separate part in the Schneider Electric catalog. If a replacement part is needed, only use a Panasonic battery type BR2032.Programming softwareDesignation Use ReferenceEcoStruxure Machine Expert softwareFor Modicon M251 logic controllersPlease consult our catalog DIA3ED2180701ENExpansion modulesDesignation Use ReferenceModicon TM3 expansion modulesFor Modicon M251 logic controllers Please consult our catalogue DIA3ED2140109ENCommunication modulesDesignation Use ReferenceModicon TM4 communication modulesEthernet switch module, slave Probus DP module See page 18Connection cablesDesignation Use Length Reference Weightkglbfrom toProgramming cables PC USB port USB mini-B port on M251 controllers3 m(0.98 ft)TCSXCNAMUM3P(3)0.0650.1431.8 m(5.90 ft)BMXXCAUSBH018 0.0650.143(1) M251 controllers are supplied with:- a removable screw terminal block for connecting the power supply- a BR2032 button cell backup battery(2) Every M251 logic controller has an embedded USB mini-B programming port.(3) Unshielded, non-grounded cable. Only for use on temporary connections. For permanent connections, use cable reference BMXXCAUSBH018.TM251MESETM251MESC
18Presentation, DescriptionModicon M251Programmable Logic Controller for modular and distributed architecturesModicon TM4 communication modulesPresentationApplicationsThe Modicon TM4 communication module oer is dedicated to Modicon M241 and Modicon M251 logic controllers, increasing the options for connection. Two communication module models are available: v The TM4ES4 Ethernet switch module, oering an Ethernet connection with 4 ports v The TM4PDPS1 Probus DP slave module b Ethernet switch moduleThe TM4ES4 module is a 4-port Ethernet interface (10/100 Mbps, MDI/MDIX) with the following protocols: Ethernet Modbus TCP Client/Server, Ethernet/IP Adapter, UDP, TCP, SNMP, OPC UA Server and EcoStruxure Machine. v The TM4ES4 module is ready for use as soon as it is connected to the communication bus of M241 and M251 controllers. v This module is used to add the Ethernet function to TM241C24p and TM241C40p controllers without an embedded Ethernet port, while oering an additional Ethernet switch function. v Connected on controllers with embedded Ethernet port type TM241CE24ppp or TM241CE40ppp, it can constitute a second Ethernet link for the “Machine” or “Factory” network. v Connected on controllers with an embedded Ethernet port type TM241CEppp or on a TM251MESp controller, it can also constitute an autonomous switch with four ports: communication between the TM4ES4 module and the Modicon M241 and M251 controllers is not automatically enabled by the bus connector. b Slave Probus DP moduleThe TM4PDPS1 communication module can be used to congure a slave connection on the Probus DP bus.Rules for combinationUp to 3 communication modules (in total) can be added on the left of M241 and M251 logic controllers, in order to increase their options for connection to the Ethernet and Probus networks. v TM241C24ppp, TM241C40ppp, TM241CE24ppp and TM241CE40ppp controllers can all be provided with a TM4ES4 module with the Ethernet port function and 2 TM4ES4 modules with the autonomous switch function while complying with the maximum number of 3 TM4 modules in total.v TM241CEC24p and TM251ppp controllers can be provided with 3 TM4ES4 modules with the autonomous switch function while complying with the maximum number of 3 TM4 modules in total.v TM4 communication modules are assembled by simply clipping them onto the left-hand side of M241 and M251 controllers, and a bus expansion connector is used to distribute data and power.Description b TM4ES4 Ethernet switch module1 Power on LED indicator.2 Bus connector (1 on each side).3 4 RJ 45 connectors for Ethernet network, with exchange and activity speed LED indicator.4 Screw terminal for the functional ground (FG) connection.5 Locking clip on 5 symmetrical rail. b TM4PDPS1 slave Probus DP module1 Power on LED indicator.2 Bus connector (1 on each side).3 9-way SUB-D connector for connection to the Probus DP bus.4 Screw terminal for the functional ground (FG) connection.5 Locking clip on 5 symmetrical rail.Modicon TM4 communication modulesModicon M241 logic controller Modicon M251 logic controller2 21345221345
19ReferencesModicon M251Programmable Logic Controller for modular and distributed architecturesModicon TM4 communication modulesReferencesOptions for M251 logic controllersDesignation Description Reference WeightkglbCommunication modules Ethernet switch module with switch function and 4 embedded portsEquipped with 4 RJ 45 connectors (10/100 Mbps, MDI/MDIX)TM4ES4(1)0.1100.243Slave Probus DP moduleEquipped with a 9-way SUB-D connectorTM4PDPS1 0.1100.243(1) Can be used as an Ethernet port or an autonomous switch depending on the controller model and conguration.TM4ES4TM4PDPS1
20IndexModicon M251Programmable Logic Controller for modular and distributed architecturesProduct reference indexBBMXXCAUSBH01817 20TTCSXCNAMUM3P17 20TM4ES419 20TM4PDPS119 20TM251MESC17 20TM251MESE17 20TMASD117 20TMAT2PSET17 202134567891021345678910
The information provided in this documentation contains general descriptions and/or technical characteristics of the performance of the products contained herein. This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specic user applications. It is the duty of any such user or integrator to perform the appropriate and complete risk analysis, evaluation and testing of the products with respect to the relevant specic application or use thereof. Neither Schneider Electric nor any of its aliates or subsidiaries shall be responsible or liable for misuse of the information contained herein.Design: Schneider ElectricPhotos: Schneider ElectricLearn more about our products at www.se.comSchneider Electric Industries SAS Head Oce35, rue Joseph Monier - CS 30323F-92500 Rueil-Malmaison CedexFranceDIA3ED2140108ENOctober 2023 - V8.0