Process Automation Solution – SIEMENS 6ES7400-1JA11-0AA0 | SIMATIC S7-400 CPU 412-1
Where This Product Is Used
The SIEMENS 6ES7400-1JA11-0AA0 (CPU 412-1) is a central processing unit for the SIMATIC S7-400 PLC platform — one of the most widely deployed industrial automation systems globally. Engineers specify this module across the following sectors:
- Power Generation & Utilities: Turbine control, grid switching automation, substation SCADA integration, and load management where deterministic cycle times are non-negotiable.
- Chemical & Petrochemical Plants: Continuous process control for reactors, distillation columns, and pipeline monitoring in harsh EMI environments.
- Automotive Manufacturing: Body-in-white welding lines, paint shop conveyors, and press shop automation requiring coordinated multi-axis motion and high-speed I/O response.
- Water & Wastewater Treatment: Pump station control, chemical dosing systems, and SCADA-linked remote monitoring for municipal infrastructure.
- Steel & Metals Processing: Rolling mill control, furnace temperature regulation, and continuous casting line automation with thermal and vibration resistance.
- Pharmaceutical Manufacturing: Batch process control compliant with FDA 21 CFR Part 11 and GMP requirements, integrated with MES/ERP via PROFIBUS or Industrial Ethernet.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 6ES7400-1JA11-0AA0 |
| CPU Type | CPU 412-1 |
| Platform | SIMATIC S7-400 |
| Work Memory | 256 KB (expandable) |
| Load Memory | Integrated Flash EPROM + MMC slot |
| Processing Speed | 0.3 ms / 1,000 binary instructions |
| Communication Interfaces | MPI (187.5 kbps); optional PROFIBUS DP |
| Max. I/O Addresses | 8 KB inputs / 8 KB outputs |
| Timers / Counters | 2,048 / 2,048 |
| Supply Voltage | DC 24 V (via backplane bus) |
| Operating Temperature | 0 °C to +60 °C |
| Protection Class | IP20 |
| Dimensions (W×H×D) | 25 mm × 290 mm × 219 mm |
| Weight | Approx. 0.85 kg |
| Programming Software | STEP 7 V5.x / TIA Portal (compatibility mode) |
| Certifications | CE, UL, cULus, ATEX Zone 2 |
| Country of Origin | Germany |
Why Engineers Specify This Model
- Proven Platform Stability: 25+ years of field-proven reliability in mission-critical installations with extensive global support infrastructure.
- Deterministic Real-Time Performance: 0.3 ms/1K binary instruction cycle handles time-critical PID loops and safety interlocks without jitter.
- Scalable Architecture: Supports up to 32 modules per rack with multi-rack expansion — scale I/O without changing CPU or reprogramming logic.
- PROFIBUS DP Master Capability: Direct integration with ET 200 distributed I/O, SINAMICS drives, MICROMASTER drives, and third-party field devices.
- Hot-Swap Module Support: Peripheral modules replaceable under power in redundant configurations, minimizing planned downtime.
- Long-Term Availability: Siemens maintains spare parts and repair services well beyond standard product lifecycle — a safe investment for brownfield installations.
Complete System Bill of Materials
A typical S7-400 control cabinet using the 6ES7400-1JA11-0AA0 CPU includes:
- Power Supply: 6ES7407-0DA02-0AA0 (PS 407 4A, DC 24V) or 6ES7407-0KA02-0AA0 (PS 407 10A)
- CPU Module: 6ES7400-1JA11-0AA0 (this unit)
- Rack / Backplane: 6ES7400-1TA11-0AA0 (UR1, 18-slot) or 6ES7400-2JA00-0AA0 (UR2, 9-slot)
- Digital Input Module: 6ES7421-1BL01-0AA0 (SM 421, 32 DI × DC 24V)
- Digital Output Module: 6ES7422-1BL00-0AA0 (SM 422, 32 DO × DC 24V/0.5A)
- Analog Input Module: 6ES7431-1KF20-0AB0 (SM 431, 8 AI × 13-bit)
- Analog Output Module: 6ES7432-1HF00-0AB0 (SM 432, 8 AO × 13-bit)
- PROFIBUS DP Interface: 6ES7153-1AA03-0XB0 (IM 153-1 for ET 200M)
- Memory Card: 6ES7952-1KK00-0AA0 (Flash MMC, 4 MB)
- Programming Cable: 6ES7972-0CB20-0XA0 (PC Adapter USB)
Compliance & Industry Standards
- CE Marking: Compliant with EU Machinery Directive 2006/42/EC and EMC Directive 2014/30/EU.
- UL / cULus Listed: Recognized for North American industrial control panels per UL 508A.
- ATEX Zone 2: Suitable for potentially explosive atmospheres (Group IIC, T4) in appropriate enclosures.
- IEC 61131-3: Supports LAD, FBD, STL, and SCL programming languages.
- IEC 61508 / SIL: Integrable into safety architectures with SIMATIC Safety F-series modules.
- RoHS Compliant: Manufactured per EU Directive 2011/65/EU on restriction of hazardous substances.
Quality Assurance & Sourcing
Every SIEMENS 6ES7400-1JA11-0AA0 unit at Konmask.com undergoes a rigorous multi-stage verification process before dispatch:
- Authenticity Verification: Genuine Siemens holographic labels, date codes, and factory markings inspected. Counterfeit detection protocols applied to all incoming stock.
- Functional Testing: Bench-tested via STEP 7 diagnostic routines — CPU boot sequence, memory integrity, and communication port functionality confirmed.
- Condition Grading: Units graded as New (factory-sealed), Refurbished (tested & restored to OEM spec), or Used-Tested (field-pulled, fully functional). Grade clearly stated on every listing.
- Traceability: Full supply chain documentation maintained. Certificates of conformity and test reports available upon request.
- Packaging: Anti-static ESD bags, foam-lined boxes, and moisture-barrier packaging for safe international transit.
How to Source This Part
- Confirm your exact part number: Verify the full 6ES7400-1JA11-0AA0 reference on your module label or Siemens project documentation. Firmware version and hardware revision may affect compatibility.
- Specify condition requirement: Indicate whether you require new, refurbished, or tested-used. Our team will confirm availability and lead time.
- Request a quote: Contact us at [email protected] or WhatsApp/phone +0086 19859288691 for volume pricing, expedited shipping, or documentation packages.
- Place your order: Add to cart directly or submit a purchase order. We accept T/T bank transfer, PayPal, and major credit cards. Export documentation (commercial invoice, packing list, COO) provided for all international orders.
- Receive & verify: Each shipment includes a test report and our 90-day warranty card. Installation support available from our technical team.
Application-Specific FAQ
Q: Can the 6ES7400-1JA11-0AA0 directly replace the 6ES7400-1JA00-0AA0?
A: Yes. The -1JA11 is a hardware revision of the -1JA00 and is backward compatible. No reprogramming required in most installations — always verify firmware compatibility with your STEP 7 project version.
Q: Does this CPU support PROFINET?
A: No. The 6ES7400-1JA11-0AA0 does not have an integrated PROFINET interface. For PROFINET connectivity, use the 6ES7412-2EK07-0AB0 (CPU 412-2 PN/DP) or add a CP 443-1 communication processor.
Q: What programming software is required?
A: SIMATIC STEP 7 V5.5 or higher is the native environment. TIA Portal V13 SP1+ supports S7-400 CPUs in compatibility mode; full feature parity requires STEP 7 Professional.
Q: Is this module suitable for H-system redundant configurations?
A: No. CPU 412-1 does not support H-system redundancy. Use the 6ES7400-3ER10-0AB0 (CPU 412-3H) or higher-tier H-CPUs for redundant setups.
Q: What is the maximum I/O module count?
A: CPU 412-1 supports up to 8 racks × 32 slots (UR1 backplane), providing extensive I/O expansion for large-scale process installations.
Q: Can this CPU communicate with ET 200 distributed I/O?
A: Yes. Via PROFIBUS DP, the CPU communicates with ET 200M, ET 200S, ET 200SP, and ET 200pro distributed I/O stations.
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