Process Automation Solution – Siemens 6ES7416-2XK04-0AB0 | SIMATIC S7-400 CPU 416-2
The Siemens 6ES7416-2XK04-0AB0 is a high-performance central processing unit from the SIMATIC S7-400 series, engineered for demanding industrial automation environments. With its large memory capacity, fast cycle times, and robust communication interfaces, this CPU is the control backbone for complex process and manufacturing systems worldwide.
Where This Product Is Used
The 6ES7416-2XK04-0AB0 is deployed across a wide range of critical industrial sectors:
- Chemical & Petrochemical Plants – Continuous process control for reactors, distillation columns, and pipeline monitoring systems requiring high availability and deterministic response.
- Automotive Manufacturing – Body-in-white welding lines, paint shop conveyors, and powertrain assembly cells where coordinated multi-axis motion and fast I/O scanning are essential.
- Power Generation & Utilities – Turbine control, substation automation, and grid-tie inverter management in coal, gas, hydro, and renewable energy facilities.
- Water & Wastewater Treatment – SCADA-integrated pump station control, dosing systems, and filtration plant automation with redundancy requirements.
- Steel & Metals Processing – Rolling mill drives, furnace temperature regulation, and continuous casting line synchronization.
- Pharmaceutical & Food Processing – Batch process control compliant with GMP/FDA 21 CFR Part 11 traceability requirements.
- Airport & Building Automation – Baggage handling systems, HVAC control, and large-scale BMS integration via PROFIBUS/PROFINET.
Technical Specifications
| Part Number | 6ES7416-2XK04-0AB0 |
| Series | SIMATIC S7-400 |
| CPU Type | CPU 416-2 |
| Work Memory | 8 MB (4 MB code + 4 MB data) |
| Load Memory | Expandable via MMC (up to 64 MB) |
| Processing Speed | 0.08 µs per binary instruction |
| Communication Interfaces | MPI/DP (integrated), 1× DP master/slave interface |
| Max. I/O Addresses | 16 KB inputs / 16 KB outputs |
| Max. Racks | 21 (with IM) |
| Operating Voltage | DC 5 V (via backplane bus) |
| Operating Temperature | 0 °C to +60 °C |
| Dimensions (W×H×D) | 50 × 290 × 219 mm |
| Weight | Approx. 1.0 kg |
| Firmware | V4.0 and above |
| Programming Software | STEP 7 V5.x / TIA Portal (via legacy support) |
Why Engineers Specify This Model
- Large Addressable I/O Space – 16 KB input/output address space supports massive distributed I/O configurations across multiple racks and remote stations.
- Dual DP Interface – Integrated MPI and PROFIBUS-DP master/slave enables simultaneous connection to HMI panels, drives, and field devices without additional CP modules.
- Proven Reliability – SIMATIC S7-400 CPUs are rated for 24/7 continuous operation with MTBF exceeding 10 years in typical industrial environments.
- Scalable Architecture – Supports hot-swap module replacement and can be upgraded to H-system redundancy using the CPU 416H pairing.
- STEP 7 Ecosystem – Fully compatible with the mature STEP 7 V5.x toolchain, protecting existing engineering investments and enabling rapid commissioning.
- Deterministic Cycle Time – 0.08 µs binary processing ensures real-time response for time-critical process interlocks and safety-related sequences.
Complete System Bill of Materials
A typical S7-400 system built around the 6ES7416-2XK04-0AB0 includes:
- Rack – 6ES7400-1JA01-0AA0 (UR2 Universal Rack, 9-slot)
- Power Supply – 6ES7407-0KA02-0AA0 (PS 407 10A, DC 24V/10A)
- CPU (this unit) – 6ES7416-2XK04-0AB0
- Digital Input Module – 6ES7421-1BL01-0AA0 (SM 421, 32× DC 24V DI)
- Digital Output Module – 6ES7422-1BL00-0AA0 (SM 422, 32× DC 24V/0.5A DO)
- Analog Input Module – 6ES7431-4RD00-0AB0 (SM 431, 8× 13-bit AI)
- Interface Module – 6ES7460-1BA01-0AB0 (IM 460-1, send, for expansion)
- PROFIBUS DP Cable – 6XV1830-0EH10 (per meter, shielded)
- Memory Card – 6ES7952-1KK00-0AA0 (Flash MMC, 4 MB)
Compliance & Industry Standards
- CE Marking – EU Machinery Directive 2006/42/EC & EMC Directive 2014/30/EU
- UL Listed – UL 508 (Industrial Control Equipment)
- IEC 61131-2 – Programmable Controllers Hardware Standard
- PROFIBUS International Certified – DP-V0 / DP-V1 conformance
- RoHS Compliant – Directive 2011/65/EU
- ATEX / IECEx – Suitable for Zone 2 installations with appropriate enclosure
Quality Assurance & Sourcing
Every 6ES7416-2XK04-0AB0 unit supplied by Konmask.com undergoes a rigorous multi-stage verification process:
- Visual inspection against Siemens OEM cosmetic and labeling standards
- Firmware version verification and boot-up functional test
- PROFIBUS DP communication loop test with certified test master
- Anti-static packaging with humidity indicator card
- Traceability documentation: batch record, inspection report, and certificate of conformity available on request
We source exclusively from authorized distribution channels and verified surplus inventories. All units carry a 12-month replacement warranty.
How to Source This Part
- Add to Cart – Click the purchase button above to place an order directly online.
- Request a Quote – For bulk orders (5+ units) or project-based procurement, email support@konmask.com for volume pricing.
- Urgent Requirement – Call or WhatsApp +0086 19859288691 for same-day quotation and expedited shipping options.
- Lead Time – In-stock units ship within 1–3 business days. Ex-stock availability confirmed at time of order.
- Export & Customs – We handle export documentation (commercial invoice, packing list, COO) for international shipments. HS Code: 8537.10.
Application-Specific FAQ
Q: Can the 6ES7416-2XK04-0AB0 be used in a redundant (H-system) configuration?
A: The standard CPU 416-2 does not natively support H-system redundancy. For redundant applications, specify the CPU 416-5H (6ES7416-5HS06-0AB0) which supports hot-standby pairing.
Q: Is this CPU compatible with TIA Portal?
A: The S7-400 CPU 416-2 is primarily programmed via STEP 7 V5.x. TIA Portal supports S7-400 CPUs in a legacy compatibility mode; however, full TIA Portal native support requires S7-400H or S7-1500 series CPUs.
Q: What is the maximum number of PROFIBUS DP slaves this CPU can manage?
A: The integrated DP interface supports up to 125 DP slaves per segment. With additional CP 443-5 modules, this can be extended further.
Q: Can I replace a 6ES7416-2XK02-0AB0 (older firmware) with this 0AB0 version?
A: Yes. The 0AB0 hardware revision is backward compatible with earlier firmware revisions. A firmware update via STEP 7 may be required to match your project configuration.
Q: What memory card is required for program backup?
A: The CPU 416-2 uses Siemens Flash MMC cards (e.g., 6ES7952-1KK00-0AA0 for 4 MB). Standard SD cards are not compatible.
Q: Does this unit support PROFINET?
A: No. The 6ES7416-2XK04-0AB0 has MPI and PROFIBUS-DP interfaces only. For PROFINET connectivity, add a CP 443-1 EX40 (6GK7443-1EX40-0XE0) communication processor.
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