Searching for a reliable Siemens PLC S7-400 Supplier in Kolkata? You're in the right place! We are among the most experienced authorized dealers and distributors of Siemens PLC S7-400 in India. We offer fast shipping, 100% genuine Siemens products, and competitive prices across all major cities including Kolkata, Pune, Delhi, Mumbai, Ahmedabad, Bangalore, Chennai, Hyderabad, and Jaipur.
Why Choose Siemens PLC S7-400?
The Siemens SIMATIC S7-400 PLC is a high-end, modular, and scalable automation controller designed for large industrial and process automation applications. Built to handle complex logic and massive I/O demands, the S7-400 is widely trusted by OEMs, EPCs, and system integrators.
Key Features:
✔️ Powerful CPUs with fast cycle times for real-time control
✔️ Expandable with multiple I/O, communication, and function modules
✔️ Supports Profibus, PROFINET, MPI, and Industrial Ethernet
✔️ Hot-swappable modules for zero downtime maintenance
✔️ Integrated redundancy and fail-safe configurations for mission-critical use
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Industries That Use Siemens PLC S7-400
This robust PLC system is ideal for industries such as:
✅ Power Generation and Grid Automation
✅ Oil & Gas, Petrochemical Industries
✅ Automotive and Heavy Manufacturing Plants
✅ Water Treatment and Waste Management
✅ Pharmaceutical and Chemical Processing Units
✅ Steel, Cement, and Mining Industries
✅ Textile and Paper Manufacturing
✅ Building Management & Infrastructure Automation
✅ Airports, Ports & Rail Systems Automation
Our Coverage Across India:
We deliver Siemens PLC systems PAN India with a strong network in Kolkata, Mumbai, Ahmedabad, Pune, Hyderabad, Delhi, Chennai, Bangalore, Indore, Bhopal, Vadodara, Surat, Nashik, Jaipur, Faridabad, Coimbatore, Kanpur, Noida and more. OEMs, EPCs, system integrators, and industrial end-users trust us for timely solutions.
Frequently Searched Models in S7-400 Series
➤ 6ES7407-0KA02-0AA0 - PS 407 Power Supply Module 4A
➤ 6ES7410-2XK05-0AB0 - CPU 414-2 Controller
➤ 6ES7414-4HM14-0AB0 - CPU 414-4 Modular CPU
➤ 6ES7416-3ER05-0AB0 - CPU 416-3 High-Speed Processing
➤ 6ES7417-4XT05-0AB0 - CPU 417-4 Top Performance
➤ 6ES7421-1BL00-0AA0 - Digital Input Module 32-Channel
➤ 6ES7422-1BL00-0AA0 - Digital Output Module 32-Channel
➤ 6ES7431-7KF00-0AB0 - Analog Input Module
➤ 6ES7432-1HF00-0AB0 - Analog Output Module
➤ 6ES7953-8LG11-0AA0 - Flash Memory Card
Benefits of Purchasing from Us:
➔ Authorized Siemens Automation Dealer with 100% genuine products
➔ On-demand inventory of all S7-400 modules, power supplies, and CPUs
➔ Competitive pricing with volume discount options
➔ Dedicated technical support and guidance
➔ Fast delivery and safe packaging with PAN India logistics
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Reach out now for Siemens S7-400 PLC pricing, technical support, or urgent delivery requirements. We’re here to support your automation journey with expert consultation and top-quality Siemens solutions across India.
Get in Touch NowTop Siemens S7-400 PLC MLFB Numbers with Descriptions
| MLFB Number | Product Description (SEO Optimized) |
|---|---|
| 6ES7407-0KA02-0AA0 | Siemens PS 407 Power Supply Module – 4A, best suited for S7-400 PLC base units. Ideal for stable automation in heavy industries. |
| 6ES7407-1KA01-0AA0 | PS 407 High-Capacity Power Supply 10A for Siemens S7-400 PLC rack systems. Reliable for long-term use in power plants and factories. |
| 6ES7410-2XK05-0AB0 | CPU 414-2: Modular high-speed CPU for Siemens S7-400 PLC, used in complex industrial automation tasks and DCS systems. |
| 6ES7414-4HM14-0AB0 | Siemens CPU 414-4: Performance-optimized programmable controller with integrated PROFINET for process automation. |
| 6ES7416-3ER05-0AB0 | CPU 416-3: Powerful multi-interface CPU for Siemens S7-400 with high processing speed and safety features. Used in steel and cement plants. |
| 6ES7416-2XN05-0AB0 | High-efficiency Siemens CPU 416-2: Ideal for large-scale process automation. Used in chemical, oil & gas industries. |
| 6ES7417-4XT05-0AB0 | CPU 417-4: High-end controller with advanced communication features for S7-400 PLC series. Best for mission-critical automation systems. |
| 6ES7417-5HT05-0AB0 | Siemens CPU 417-5H: Redundant CPU with hot standby capability for fault-tolerant applications in infrastructure automation. |
| 6ES7421-1BL00-0AA0 | Digital Input Module – 32 Channels, 24V DC. Commonly used in manufacturing assembly lines and process industries. |
| 6ES7421-7BH00-0AB0 | High-speed 16-channel digital input module for Siemens S7-400 PLCs. Used in motion control and robotics applications. |
| 6ES7422-1BL00-0AA0 | 32-Channel Digital Output Module – 24V DC. Ideal for automated packaging, water treatment plants, and heavy machinery. |
| 6ES7422-7BL00-0AB0 | Isolated digital output module with fast switching capability. Best suited for distributed industrial automation networks. |
| 6ES7431-7KF00-0AB0 | Analog Input Module 8-channel for voltage/current sensors. Suitable for precision process control in pharma and oil refineries. |
| 6ES7432-1HF00-0AB0 | Analog Output Module – 8 Channels. Ideal for closed-loop control in HVAC, energy plants, and building automation systems. |
| 6ES7432-5HF00-0AB0 | Siemens 8-Channel Analog Output Module with high accuracy. Frequently used in critical automation panels. |
| 6ES7451-1BL00-0AE0 | Counter Module for S7-400 PLC, designed for high-speed counting and process feedback systems in automated lines. |
| 6ES7452-1BL00-0AE0 | Positioning Module for Siemens S7-400 – used in CNC and robotic machine tools with precise axis control. |
| 6ES7453-1AH00-0AE0 | PID Control Module for analog feedback loops – ideal for maintaining process consistency in oil, chemical, and HVAC plants. |
| 6ES7455-1VS00-0AE0 | High-speed Communication Module for connecting remote I/O via PROFIBUS or PROFINET. Ideal for SCADA and DCS integration. |
| 6ES7488-5DA04-0AA0 | Interface Module for central and distributed configuration setups in complex automation networks. High-speed data exchange. |
| 6ES7953-8LG11-0AA0 | Siemens Memory Card – 8MB for CPU program storage. Compatible with various S7-400 CPU models. Used for program backup. |
| 6ES7390-1AE80-0AA0 | Front Connector for S7-400 I/O modules – ensures secure wiring and easy replacement during maintenance. |
| 6ES7392-1AJ00-0AA0 | Rack Mounting Rail for S7-400 hardware assembly. Suitable for panel builders and OEM automation solutions. |
| 6ES7405-0RA02-0AA0 | Rack for S7-400 central processing unit setup. Provides high-speed backplane communication and modular expansion. |
| 6ES7416-2XS05-0AB0 | High-Performance CPU 416-2 with Ethernet and MPI interfaces. Suitable for batch processing and real-time plant control. |
| 6ES7417-4XT07-0AB0 | Updated CPU 417 with enhanced redundancy support. Designed for fail-safe process operations in metro systems and airports. |
| 6ES7422-1FH00-0AA0 | Digital Output Module – Fast Response 24V, used in synchronized motion and material handling applications. |
| 6ES7432-1HH00-0AB0 | High Precision Analog Output Module for PLC-based temperature, pressure, and flow control applications. |
| 6ES7431-1KF00-0AB0 | Multi-Range Analog Input Module, compatible with multiple sensors. Preferred in smart factories and Industry 4.0 setups. |
| 6ES7405-0DA02-0AA0 | Power Rail for S7-400 Rack – Enables stable power distribution across all mounted modules and CPUs. |
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