Siemens 6ES7417-4HL01-0AB0 CPU 417H High-Availability Controller – SIMATIC S7-400H Series
Imagine a continuous process plant — a petrochemical reactor, a power generation turbine, or a water treatment facility — running at full capacity when its PLC controller fails. Without a redundant CPU, the entire production line halts, safety interlocks trip, and recovery can take hours or days. Unplanned downtime in such environments costs tens of thousands of dollars per hour and, more critically, can create serious safety hazards. The Siemens 6ES7417-4HL01-0AB0 CPU 417H exists precisely to eliminate this risk: it is the hardware backbone of fault-tolerant automation, engineered so that no single component failure can ever stop your process.
The 6ES7417-4HL01-0AB0 is the flagship CPU of the SIMATIC S7-400H high-availability series — Siemens’ most powerful redundant PLC platform for demanding industrial environments. Designed for safety-critical and continuous-process applications, this CPU operates in a hot-standby redundant pair configuration, ensuring bumpless switchover in the event of any fault. With its large program memory, high-speed processing, and seamless integration into PROFIBUS and PROFINET networks, the CPU 417H holds a premier position in global industrial automation, trusted by engineers across oil & gas, power, chemicals, and infrastructure sectors worldwide.
Technical Specifications
- Part Number: 6ES7417-4HL01-0AB0
- Product Family: SIMATIC S7-400H
- CPU Type: CPU 417H
- Operating Mode: Hot-standby redundancy (H-system)
- Work Memory: 30 MB (for program and data)
- Load Memory: Expandable via memory card (up to 64 MB)
- Processing Speed: 0.1 µs per binary instruction
- Communication Interfaces: MPI/DP integrated; PROFIBUS DP master/slave; PROFINET via CP modules
- Synchronization: Fiber-optic sync cable between redundant CPUs
- I/O Addressing: Up to 65,536 bytes digital I/O; up to 4,096 analog channels
- Supply Voltage: 24 V DC (via S7-400 power supply module)
- Operating Temperature: 0 °C to +60 °C
- Dimensions (W×H×D): 50 × 290 × 219 mm (standard S7-400 form factor)
- Weight: Approx. 500 g
- Certifications: CE, UL, cULus, ATEX (zone 2), IECEx
- Firmware Version: V6.1 (as of this listing; confirm with order)
Key Features & Benefits
- True Hot-Standby Redundancy: Two CPU 417H modules operate in lockstep; switchover is bumpless (<1 ms) with no process interruption.
- Massive Program Memory: 30 MB work memory supports the most complex control programs, including large PID loops, sequence control, and safety logic.
- High-Speed Execution: 0.1 µs binary processing ensures deterministic, real-time control even under heavy I/O loads.
- Flexible Communication: Native MPI/DP port plus support for PROFIBUS DP and PROFINET via expansion CPs enables integration into any plant network topology.
- Scalable I/O Expansion: Supports up to 21 expansion racks via IM 460/461 interface modules, accommodating thousands of I/O points.
- Integrated Diagnostics: Comprehensive system diagnostics via STEP 7 and TIA Portal; LED status indicators for rapid fault identification.
- Long Service Life: Designed for 24/7 continuous operation in harsh industrial environments; wide temperature range and vibration resistance.
- TIA Portal Compatible: Fully programmable and configurable in Siemens TIA Portal V15.1 and later, as well as STEP 7 V5.x.
Industry & Equipment Applications
- Oil & Gas: Pipeline control, compressor stations, offshore platform automation, HIPPS safety systems
- Power Generation: Turbine control, boiler management, substation automation, grid tie-in systems
- Chemical & Petrochemical: Reactor control, distillation column automation, batch processing
- Water & Wastewater: Pumping station control, treatment plant automation, SCADA integration
- Pharmaceuticals: GMP-compliant process control, clean-room automation, validation-ready systems
- Steel & Metals: Rolling mill control, furnace automation, continuous casting lines
- Infrastructure: Tunnel ventilation, airport systems, railway interlocking
System Integration & Compatible Parts
The 6ES7417-4HL01-0AB0 is designed to operate within the SIMATIC S7-400H ecosystem. Key compatible components include:
- Power Supplies: 6ES7407-0DA02-0AA0 (4A PS 407), 6ES7407-0KA02-0AA0 (10A PS 407)
- Rack: 6ES7400-1JA01-0AA0 (UR2-H redundancy rack)
- Sync Modules: 6ES7960-1AA04-0XA0 (fiber-optic sync cable set)
- Interface Modules: 6ES7460-1BA01-0AB0 (IM 460-1 send), 6ES7461-1BA01-0AA0 (IM 461-1 receive)
- PROFIBUS CP: 6GK7443-1EX30-0XE0 (CP 443-1 Advanced)
- Digital I/O: 6ES7421-1BL01-0AA0 (SM 421 DI 32×DC24V), 6ES7422-1BL00-0AA0 (SM 422 DO 32×DC24V)
- Analog I/O: 6ES7431-1KF20-0AB0 (SM 431 AI 8×13Bit), 6ES7432-1HF00-0AB0 (SM 432 AO 8×13Bit)
Our Quality Assurance Process
At Konmask.com, every refurbished SIMATIC S7-400H CPU undergoes a rigorous multi-stage inspection before shipment:
- Visual Inspection: PCB, connectors, and housing checked for physical damage, corrosion, and component integrity.
- Power-On Functional Test: Module powered and booted; firmware version verified; all LEDs and self-diagnostics confirmed operational.
- Communication Test: MPI/DP port tested for correct data exchange with a reference S7-400 rack.
- Memory Verification: Work memory and load memory capacity verified against factory specifications.
- Burn-In Test: Extended operation under load to screen for early-life failures.
- ESD-Safe Packaging: Shipped in anti-static bags with foam padding and moisture-barrier outer carton.
How to Order
- Submit an inquiry via the Contact / Get a Quote button on this page.
- Provide your required quantity, delivery timeline, and any specific firmware or testing requirements.
- Our technical team will confirm availability, lead time, and issue a formal quotation within 24 hours.
- Upon order confirmation, we arrange secure packaging and international shipping with full tracking.
- Post-delivery technical support is available via email and phone.
Why Choose Konmask.com?
- ✅ Specialist Focus: We deal exclusively in industrial automation components — PLC, DCS, HMI, drives, and safety systems.
- ✅ Verified Stock: Every unit is physically inspected and tested before listing.
- ✅ Global Shipping: Worldwide export with DHL, FedEx, and UPS; full customs documentation provided.
- ✅ Technical Expertise: Our team includes qualified automation engineers who can advise on compatibility and system integration.
- ✅ Responsive Support: 24-hour quotation turnaround; dedicated account management for repeat buyers.
- ✅ Competitive Pricing: Direct sourcing and lean operations mean better prices without compromising quality.
Frequently Asked Questions
Q: Is the 6ES7417-4HL01-0AB0 new or refurbished?
A: This listing is for a refurbished unit that has passed our full inspection and functional test protocol. New units may be available on request — please contact us for current stock status.
Q: What firmware version is installed?
A: Firmware version is confirmed at the time of order. Please specify your required version when submitting your inquiry.
Q: Can this CPU be used as a standalone (non-redundant) controller?
A: The CPU 417H is optimized for H-system redundant operation. While it can technically operate in a standard S7-400 rack, its full capabilities are realized in a redundant pair configuration.
Q: What is the warranty period?
A: We offer a 90-day functional warranty on all refurbished units. Extended warranty options are available — please inquire.
Q: Do you provide export documentation for international shipments?
A: Yes. We provide commercial invoice, packing list, and certificate of origin. Additional documentation (e.g., material safety data sheet) is available on request.
Q: Is TIA Portal programming supported?
A: Yes. The 6ES7417-4HL01-0AB0 is fully supported in TIA Portal V15.1 and later, as well as STEP 7 V5.x.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
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