Schneider Electric TM251MESE Modicon M251 Logic Controller

Schneider Electric TM251MESE Modicon M251 logic controller is a high-performance, compact programmable logic controller suitable for industrial automation, building automation and other fields. The relevant introduction is as follows:

Hardware parameters:

Power supply: input voltage is 88-264VAC, output voltage is 24VDC, input current is 2.3A maximum, output current is 4.2A maximum, power is 100W, and efficiency is up to 92%.

Memory: Equipped with 64MB system memory RAM and 128MB built-in flash card, it also supports additional 16GB SD card expansion for user project backup and data storage.

Working environment: The operating temperature range is - 25°C to + 70°C, the storage temperature range is - 40°C to + 85°C, and the protection level is IP20.

Performance characteristics:

Strong processing power: It adopts a high-performance microprocessor, supports high-speed data processing and calculation, and can quickly execute complex control tasks.

Rich communication interfaces: It has dual Ethernet interfaces, supports 100Mbps speed, and can build redundant or distributed networks. It also provides multiple communication interfaces such as Modbus TCP and Serial Port, supports multiple communication protocols, and is convenient for connecting and interacting with other devices.

Good scalability: It supports multiple expansion modules, and can expand input/output, communication and function modules according to actual needs, and can support up to 7 TM3 local modules and 14 remote I/O modules.

Flexible programming: It supports IEC 61131-3 programming languages, such as ladder diagram (LAD), structured text (ST), function block diagram (FBD), etc., which is convenient for engineers to program and debug.

Powerful functions: It has built-in PID control, timer, counter, data logging and other function modules, which can support complex control strategies and data processing, and meet various automation control needs.

High security: It supports security functions such as password protection and data encryption to ensure system security and data integrity.

Application areas: Mainly used to realize intelligent control, monitoring and optimization of equipment and processes, suitable for industrial control applications such as production line automation, process control, equipment monitoring, data acquisition and processing. In addition, it is also widely used in building equipment, lighting systems, air conditioning systems, small machinery and single-machine control systems.