TM251MDESE

Technical specifications

Manufacturer

Schneider Electric

Manufacturer part no.

TM251MDESE

Type

Modicon logic controller

Application

PLC controller

Used with

Modicon TM3/TM4 expansion modules

Range of product

Modicon M251

Product or component type

Processor module

[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

19.2…28.8 V

Power consumption in W

45 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

Realtime clock

With

Clock drift

<= 60 s/month at -10…50 °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 2 RJ45 connector; Ethernet port Ethernet 2 with RJ45 connector

Port Ethernet

Ethernet marking 10BASE-T/100BASE-TX - 2 copper cable

Communication service

Modbus TCP client; Modbus TCP server; OPC UA server; NTP client

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)

Electrical connection

removable screw terminal blockpower supply (pitch 3.81 mm)

Marking

CE

Surge withstand

1 kV shielded cable common mode conforming to EN/IEC 61000-4-5; 1 kV power lines common mode conforming to EN/IEC 61000-4-5; 0.5 kV power lines differential mode conforming to EN/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

90 mm

Width

54 mm

Net weight

0.22 kg

Technical documents (1)

• Schneider Electric product page TM251MDESE

Key features

• Integrated connection type: USB port with mini B USB 2.0 connector
• Communication service: Modbus TCP client; Modbus TCP server; OPC UA server; NTP client
• Ambient air temperature for operation: 10…35 °C (vertical installation); 10…55 °C (horizontal installation)
• Net weight: 0.22 kg

About the Schneider Electric TM251MDESE

The Schneider Electric TM251MDESE is a processor module from Schneider Electric's Modicon M251 range, which Schneider names "Modicon M251 dPAC". Its product page gives rated supply voltage 24 V DC. Schneider Electric lists it as Active.

What is the TM251MDESE used for?

The TM251MDESE runs the control program for a machine, using expansion modules for more I/O.

Lifecycle and successor

Active.

Before you order

What to photograph or confirm so the right unit is quoted.

Check the reference TM251MDESE on the module's label, with its product version. Send us a photo of the label and we will confirm the details before quoting.