logic controller, Modicon M251, 2x Ethernet
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Quick facts
| Availability | Confirmed on request |
| Category | Modicon M251 |
| Lifecycle | active |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
| Weight | 0.22 kg |
Shipping & availability
When can TM251MESE be shipped?
TM251MESE is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up TM251MESE in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for TM251MESE and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for TM251MESE, subject to availability and destination.
This product is part of the Modicon M251 range, an offer of logic controllers for modular and distributed architectures. This logic controller provides 7 local, 14 remote I/O expansion modules. It is a Modicon logic controller with a rated supply voltage of 24V DC, an inrush current of 50A and a power consumption of 32.6W to 40.4W. Boost the performance of machine with powerful data transfer via SD Card, embedded web and FTP server and more. Integrated connections are USB port with mini B USB 2.0 connector, non isolated serial link serial with RJ45 connector and RS232/RS485 interface, dual-port Ethernet with RJ45 connector and ethernet port Ethernet 2 with RJ45 connector. It is a Modicon M251 controller with 8MB for program, 64MB for system memory RAM, 128MB built-in flash memory for backup of user programs and a SD card memory capacity of 32GB. It is an IP20 rated product. Its dimensions are 54mm (Width) x 95mm (Depth) x 90mm (Height). It weighs 0.22kg. The Modicon M251 logic controllers are designed for high-performance compact machines incorporating speed and position control functions. This product is certified by CE, CSA and CULus. It meets ANSI/ISA 12-12-01, CSA C22.2 No 142, CSA C22.2 No 213, EN/IEC 61131-22007, marine specification (LR, ABS, DNV, GL), UL 1604 and UL 508 standards. It supports DIN rail mount. Achieve benchmark performance while increasing profitability with the Modicon M251 through intuitive machine programming with SoMachine, ready-to-use applications and function blocks. Increase flexibility, while saving space in your cabinet with the Modicon M251 logic controller for modular and distributed architectures.
Specifications
Specifications
| Range of product | Modicon M251 |
| Product or component type | Logic controller |
| [Us] rated supply voltage | 24 V DC |
| Maximum number of I/O expansion module | 7 (local I/O-Architecture), 14 (remote I/O-Architecture) |
| Supply voltage limits | 20.4…28.8 V |
| Inrush current | 50 A |
| Power consumption in W | 32.6…40.4 W (with max number of I/O expansion module) |
| Memory capacity | 64 MB for system memory RAM |
| Data backed up | 128 MB built-in flash memory for backup of user programs |
| Data storage equipment | <= 16 GB SD card (optional) |
| Battery type | BR2032 lithium non-rechargeable, battery life: 4 year(s) |
| Backup time | 2 years at 25 °C |
| Execution time for 1 KInstruction | 0.3 ms for event and periodic task, 0.7 ms for other instruction |
| Application structure | 4 cyclic master tasks, 8 event tasks, 3 cyclic master tasks + 1 freewheeling task, 8 external event tasks |
| Realtime clock | With |
| Clock drift | <= 60 s/month at 25 °C |
| Integrated connection type | USB port with mini B USB 2.0 connector, Non isolated serial link serial with RJ45 connector and RS232/RS485 interface, Dual-port Ethernet 1 with RJ45 connector, Ethernet port Ethernet 2 with RJ45 connector |
| Supply | (Serial)serial link supply: 5 V, <200 mA |
| Transmission rate | 1.2...115.2 kbit/s (115.2 kbit/s by default) for bus length of 15 m for RS485, 1.2...115.2 kbit/s (115.2 kbit/s by default) for bus length of 3 m for RS232, 480 Mbit/s for bus length of 3 m for USB |
| Communication port protocol | USB port: USB - SoMachine-Network, Non isolated serial link: Modbus master/slave - RTU/ASCII or SoMachine-Network |
| Port Ethernet | Ethernet 1 marking 10BASE-T/100BASE-TX - 2 copper cable, Ethernet 2 marking 10BASE-T/100BASE-TX - 1 copper cable |
| Web services | Web server |
| Communication service | Downloading, IEC VAR ACCESS, Modbus TCP client, Modbus TCP server, Modbus TCP slave device, Monitoring, NGVL, Programming, Updating firmware, SMS notifications, DHCP client (Eth1), DHCP server (Eth2), Ethernet/IP originator (Eth2), Ethernet/IP target (Eth1, Eth2), Ethernet/IP scanner (Eth2), Modbus TCP I/O Scanner and Messaging (Eth2), FDR, FTP client/server, SNMP client/server, SQL client, Send and receive email from the controller based on TCP/UDP library, Web server (WebVisu & XWeb system), OPC UA server, DNS client |
| Maximum number of connections | 8 Modbus server, 8 Modbus client, 16 Ethernet/IP target, 4 FTP server, 10 web server, 8 SoMachine protocol |
| Number of server device(s) | 16 EtherNet/IP:, 64 Modbus TCP: |
| Cycle time | 10 ms 16 EtherNet/IP, 64 ms 64 Modbus TCP |
| Local signalling | 1 LED (green) for PWR, 1 LED (green) for RUN, 1 LED (red) for module error (ERR), 1 LED (red) for I/O error (I/O), 1 LED (green) for SD card access (SD), 1 LED (red) for BAT, 1 LED (green) for SL, 1 LED (red) for bus fault on TM4 (TM4), 1 LED (green) for Ethernet activity (ETH1), 1 LED (green) for Ethernet activity (ETH2) |
| Electrical connection | Removable screw terminal blockpower supply (pitch 5.08 mm) |
| Insulation | Non-insulated between supply and internal logic, Between supply and ground at 500 V AC |
| Marking | CE |
| Surge withstand | 1 kV shielded cable common mode conforming to IEC 61000-4-5, 1 kV power lines common mode conforming to IEC 61000-4-5, 0.5 kV power lines differential mode conforming to IEC 61000-4-5 |
| Mounting support | Top hat type TH35-15 rail conforming to IEC 60715, Top hat type TH35-7.5 rail conforming to IEC 60715, plate or panel with fixing kit |
| Height | 90 mm |
| Depth | 95 mm |
| Width | 54 mm |
| Net weight | 0.22 kg |
| Standards | ANSI/ISA 12-12-01, CSA C22.2 No 142, CSA C22.2 No 213, IEC 61131-2:2007, Marine specification (LR, ABS, DNV, GL), UL 508 |
| Product certifications | cULus, CE, UKCA, DNV-GL, ABS, LR |
| Resistance to electrostatic discharge | 8 kV in air conforming to IEC 61000-4-2, 4 kV on contact conforming to IEC 61000-4-2 |
| Resistance to electromagnetic fields | 10 V/m 80 MHz...1 GHz conforming to IEC 61000-4-3, 3 V/m 1.4 GHz...2 GHz conforming to IEC 61000-4-3, 1 V/m 2 GHz...3 GHz conforming to IEC 61000-4-3 |
| Resistance to fast transients | 2 kV (power lines) conforming to IEC 61000-4-4, 1 kV (Ethernet line) conforming to IEC 61000-4-4, 1 kV (serial link) conforming to IEC 61000-4-4 |
| Resistance to conducted disturbances | 10 V 0.15...80 MHz conforming to IEC 61000-4-6, 3 V 0.1...80 MHz conforming to Marine specification (LR, ABS, DNV, GL), 10 V spot frequency (2, 3, 4, 6.2, 8.2, 12.6, 16.5, 18.8, 22, 25 MHz) conforming to Marine specification (LR, ABS, DNV, GL) |
| Electromagnetic emission | Conducted emissions - test level: 120...69 dBµV/m QP ( power lines) at 10…150 kHz conforming to IEC 55011, Conducted emissions - test level: 63 dBμV/m QP ( power lines) at 1.5…30 MHz conforming to IEC 55011, Radiated emissions - test level: 40 dBμV/m QP class A ( 10 m) at 30…230 MHz conforming to IEC 55011, Conducted emissions - test level: 79...63 dBμV/m QP ( power lines) at 150…1500 kHz conforming to IEC 55011, Radiated emissions - test level: 47 dBμV/m QP class A ( 10 m) at 230…1000 MHz conforming to IEC 55011 |
| Immunity to microbreaks | 10 ms |
| Ambient air temperature for operation | -10…35 °C (vertical installation), -10…55 °C (horizontal installation) |
| Ambient air temperature for storage | -25…70 °C |
| Relative humidity | 10…95 %, without condensation (in operation), 10…95 %, without condensation (in storage) |
| IP degree of protection | IP20 with protective cover in place |
| Pollution degree | 2 |
| Operating altitude | 0...2000 m |
| Storage altitude | 0…3000 m |
| Vibration resistance | 3.5 mm at 5…8.4 Hz on symmetrical rail, 3 gn at 8.4…150 Hz on symmetrical rail, 3.5 mm at 5…8.4 Hz on panel mounting, 3 gn at 8.4…150 Hz on panel mounting |
| Shock resistance | 15 gn for 11 ms |
| Unit Type of Package 1 | PCE |
| Number of Units in Package 1 | 1 |
| Package 1 Height | 10.511 cm |
| Package 1 Width | 11.725 cm |
| Package 1 Length | 17.063 cm |
| Package 1 Weight | 371.0 g |
| Unit Type of Package 2 | S03 |
| Number of Units in Package 2 | 10 |
| Package 2 Height | 30 cm |
| Package 2 Width | 30 cm |
| Package 2 Length | 40 cm |
| Package 2 Weight | 4.651 kg |
| Unit Type of Package 3 | P06 |
| Number of Units in Package 3 | 80 |
| Package 3 Height | 75.0 cm |
| Package 3 Width | 40.0 cm |
| Package 3 Length | 80.0 cm |
| Package 3 Weight | 48 kg |
| Warranty (in months) | 18 |
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