The TM251MESE is a high-performance logic controller designed for modular and distributed architectures, offering 7 local and 14 remote I/O expansion modules.
Product ModelTM251MESE
Product ID34397
Stock on Request
Last updated: 8/29/2026
Key Features
1
FeatureBoost machine performance with powerful data transfer through SD Card, embedded web, and FTP server.
2
FeatureIntuitive machine programming with EcoStruxure Machine Expert for easy setup and operation.
3
FeatureFlexible and scalable machine control for easy upgrades to higher performance platforms.
4
FeatureCompact dimensions suitable for wall mount and floor standing control system enclosures.
5
FeatureCertified by CE, CSA, and CULus for reliability and safety in industrial applications.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
USB port mini B USB 2.0Non isolated serial link serial RJ45 RS232/RS485Dual-port Ethernet 1 RJ45Ethernet port Ethernet 2 RJ45
Supply
Serial)serial link supply 5 V, <200 mA
Transmission rate
1.2...115.2 kbit/s (115.2 kbit/s by default) 49.2 ft (15 m) RS4851.2...115.2 kbit/s (115.2 kbit/s by default) 9.8 ft (3 m) RS232480 Mbit/s 9.8 ft (3 m) USB
Communication port protocol
USB port USB - SoMachine-NetworkNon isolated serial link Modbus master/slave - RTU/ASCII or SoMachine-Network
DownloadingIEC VAR ACCESSModbus TCP clientModbus TCP serverModbus TCP slave deviceMonitoringNGVLProgrammingUpdating firmwareSMS notificationsDHCP 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)FDRFTP client/serverSNMP client/serverSQL clientSend and receive email from the controller based on TCP/UDP libraryWeb server (WebVisu & XWeb system)OPC UA serverDNS client
for PWR 1 LED (green) for RUN 1 LED (green) for module error (ERR) 1 LED (red) for I/O error (I/O) 1 LED (red) for SD card access (SD) 1 LED (green) for BAT 1 LED (red) for SL 1 LED (green) for bus fault on TM4 (TM4) 1 LED (red) for Ethernet activity (ETH1) 1 LED (green) for Ethernet activity (ETH2) 1 LED (green)
Electrical connection
removable screw terminal block power supply pitch 5.08 mm)
Insulation
Non-insulated between supply and internal logicBetween supply and ground 500 V AC
marking
CE
Surge withstand
1 kV shielded cable common mode IEC 61000-4-51 kV power lines common mode IEC 61000-4-50.5 kV power lines differential mode IEC 61000-4-5
Mounting support
Top hat type TH35-15 rail IEC 60715Top hat type TH35-7.5 rail IEC 60715 plate or panel with fixing kit
Height
3.5 in (90 mm)
Depth
3.7 in (95 mm)
Width
2.1 in (54 mm)
Net Weight
0.49 lb(US) (0.22 kg)
Standards
ANSI/ISA 12-12-01CSA C22.2 No 142CSA C22.2 No 213IEC 61131-2:2007Marine specification (LR, ABS, DNV, GL)UL 508
Product Certifications
cULusCEUKCADNV-GLABSLR
Resistance to electrostatic discharge
8 kV in air IEC 61000-4-24 kV on contact IEC 61000-4-2
