Product Details
Overview
The 6ES7414-4HM14-0AB0 is a SIMATIC S7-400H CPU 414H module from Siemens, engineered for high-availability and fail-safe automation systems. Designed for redundant operation in S7-400H and S7-400F/FH configurations, this CPU provides outstanding reliability and synchronization for critical industrial applications.
Performance & Memory
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Integrated Memory: 2.8 MB total (1.4 MB for program, 1.4 MB for data)
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Processing Capability: Optimized for complex process automation with fast execution times
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Supported Systems: S7-400H and S7-400F/FH redundant configurations
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Expansion Capacity: Up to 21 modules per station
Interfaces & Communication
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Available Ports:
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1 × MPI/DP interface for communication and programming
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1 × DP interface for PROFIBUS connectivity
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2 × synchronization module interfaces for redundancy operation
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Communication Protocols: PROFIBUS DP, MPI, and redundant synchronization
Power & Consumption
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Rated Supply Voltage: 24 V DC
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Typical Power Loss: 6 W
Mechanical Design
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Dimensions (H×W×D): 290 × 50 × 219 mm
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Weight: 0.995 kg
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Mounting Type: Rack-mounted within SIMATIC S7-400 rack system
Key Features
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Dual-redundant CPU design ensures continuous operation during system faults
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Flexible communication options for distributed control architectures
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High memory capacity suitable for large-scale process and batch control
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Easy integration into existing S7-400 infrastructure
Applications
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Power generation and energy distribution systems
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Chemical and pharmaceutical process automation
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Redundant control systems in oil & gas and transport sectors
FAQ
Q1: What distinguishes the CPU 414H from standard S7-400 CPUs?
A1: The CPU 414H offers redundancy and synchronization support for high-availability systems, ensuring continuous process control during hardware failures.
Q2: Is this module compatible with standard S7-400 racks?
A2: Yes, it can be installed in the same rack system as other S7-400 modules.
Q3: How much memory does it provide for user applications?
A3: It includes 2.8 MB of total memory — 1.4 MB for program data and 1.4 MB for user data.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.