SIMATIC S7-300

The S7-300 series PLC from Siemens is a reliable control system designed for small to medium-sized and modular automation tasks, ideal for a wide range of industrial applications. With its compact design, excellent scalability, and cost-effectiveness, the S7-300 series is a preferred choice for automation projects in sectors such as manufacturing, energy, and chemicals. Its stability and flexible modular combinations allow it to adapt seamlessly to varying scales of automation needs, ensuring efficient system performance.

Choose the S7-300 series PLC for a highly cost-effective automation solution. Whether for individual equipment control, factory production lines, or distributed control within complex systems, the S7-300 is your trusted partner in achieving stable control and enhanced production efficiency!

We specialize in providing core components of the Siemens S7-300 series PLC, including CPU modules, I/O modules, and communication modules to enhance efficient, stable control in small to medium-sized automation systems. With its compact design and exceptional compatibility, the S7-300 is ideal for diverse industrial applications, supporting flexible configuration and expansion. Here are the main models we offer:

CPU Modules – Reliable Core for Automation Systems

Our range of S7-300 CPU modules delivers stable data processing and communication capabilities to meet a variety of control needs, enabling flexible automation control:

CPU 317-2 PN/DP: Equipped with dual communication interfaces, suited for complex systems and cross-system data exchange.

CPU 312: An economical option for small automation projects, providing essential control functions.

CPU 314: Designed for small to medium applications, offering increased memory and processing speed for complex tasks.

CPU 315-2 DP: Supports PROFIBUS communication, ideal for mid-sized automation systems requiring multi-point control.

I/O Modules – Precision Bridge for Data Acquisition and Execution

Our extensive line of I/O modules supports a wide range of signal acquisition and control requirements. Key categories and models include:

Digital Input Modules

  • SM 321 DI 16x24VDC: 16-channel 24V digital input for small-scale signal acquisition.
  • SM 321 DI 32x24VDC: 32-channel digital input module, ideal for scenarios with high-volume signal acquisition needs.

Digital Output Modules

  • SM 322 DO 16x24VDC/0.5A: 16-channel 24V digital output suitable for controlling various industrial devices.
  • SM 322 DO 32x24VDC/0.5A: 32-channel output module, ensuring precision in large-scale output control.

Analog Input Modules

  • SM 331 AI 8×16 Bit: 8-channel high-precision analog input, compatible with voltage and current signals.
  • SM 331 AI 16×16 Bit: 16-channel input module for extensive analog signal acquisition.

Analog Output Modules

  • SM 332 AO 8×12 Bit: 8-channel analog output for precise voltage and current control applications.
  • SM 332 AO 4×12 Bit: 4-channel output module providing stable support for diverse control applications.

Thermocouple Input Modules

SM 331 AI 4xRTD: 4-channel RTD input module designed for resistance temperature detectors, enabling accurate temperature acquisition.

SM 331 AI 8xTC: 8-channel thermocouple input, compatible with various thermocouple types, ideal for temperature monitoring.

Communication Modules – Reliable Support for Data Connectivity

Our communication modules enable efficient connectivity between your S7-300 system and other control systems or devices, supporting multiple industrial protocols for cross-system data exchange:

CP 343-1 (Industrial Ethernet Communication Module): Supports Ethernet connection, ideal for distributed control.

CP 342-5 (PROFIBUS Communication Module): Provides stable PROFIBUS communication, suitable for distributed automation systems.

CP 340 (Serial Communication Module): Serial connection for non-standard communication needs, allowing flexible system integration.

Additional Types – Comprehensive System Support

In addition to CPU, I/O, and communication modules, we offer supporting products such as power supply modules, connection systems, and mounting rails to ensure the stability and ease of installation of your S7-300 system. Power supply modules ensure consistent power, connection systems allow fast inter-module links, and mounting rails ensure neat layout and flexible installation.

Our one-stop S7-300 series PLC solution provides full support from core control to essential peripherals, making it easy to build an efficient, reliable industrial automation system. Choose us to experience the outstanding performance and dependable quality of the S7-300 series!