Siemens 6ES7412-1XJ07-0AB0 CPU 412-1 MPI/DP 512KB | Replacement, Equivalent & Selection Guide
The Siemens 6ES7412-1XJ07-0AB0 is a mid-range CPU module from the SIMATIC S7-400 series, designed for demanding industrial automation and process control applications. With 512 KB work memory and integrated MPI/DP interface, it delivers reliable performance in distributed and centralized control architectures. This page provides full technical specifications, compatible replacement models, and a structured selection guide to help engineers and procurement teams make informed decisions.
Technical Specifications
| Parameter | Value |
|---|---|
| Order Number (MLFB) | 6ES7412-1XJ07-0AB0 |
| Series | SIMATIC S7-400 |
| CPU Type | CPU 412-1 |
| Work Memory | 512 KB (256 KB code / 256 KB data) |
| Communication Interface | MPI / PROFIBUS-DP (integrated) |
| MPI/DP Max. Data Rate | 12 Mbit/s |
| Max. I/O Modules | Up to 32 modules per rack |
| Processing Speed (Bit) | 0.1 µs per bit operation |
| Processing Speed (Word) | 0.2 µs per word operation |
| Supply Voltage | 24 V DC (via PS module) |
| Operating Temperature | 0 °C to +60 °C |
| Dimensions (W×H×D) | 25 mm × 290 mm × 219 mm |
| Weight | Approx. 500 g |
| Country of Origin | Germany |
| HS Code | 8537.10 |
Compatible Replacement & Equivalent Models
The following models are functionally compatible or serve as direct/near-direct replacements for the 6ES7412-1XJ07-0AB0. Always verify firmware version and rack compatibility before substitution.
| Model | Work Memory | Interface | Notes |
|---|---|---|---|
| 6ES7412-1XJ05-0AB0 | 512 KB | MPI/DP | Earlier firmware version; functionally equivalent |
| 6ES7412-2XK07-0AB0 | 1.4 MB | MPI/DP | Upgrade option; larger memory, same form factor |
| 6ES7414-2XK05-0AB0 | 1.4 MB | MPI/DP + PN | CPU 414-2 DP; higher performance tier |
| 6ES7416-2XN05-0AB0 | 5.6 MB | MPI/DP + PN | CPU 416-2 DP; for large-scale systems |
| 6ES7412-1XJ07-0AB0 (New) | 512 KB | MPI/DP | Current production version — direct replacement |
Note: Cross-referencing with Siemens SIMATIC Manager or TIA Portal is recommended before final substitution.
Why Choose the Original Model
- Proven Reliability: The CPU 412-1 has a long track record in continuous industrial operation across automotive, chemical, and utilities sectors.
- Native S7-400 Compatibility: Plug-and-play integration with existing S7-400 racks, power supplies, and I/O modules — no hardware redesign required.
- Stable Firmware Ecosystem: Supported by STEP 7 v5.x and TIA Portal, ensuring long-term software compatibility.
- Integrated MPI/DP Port: Eliminates the need for a separate CP module in standard DP network topologies.
- Genuine Siemens Quality: Manufactured in Germany to IEC 61131-2 standards with full CE/UL certification.
Typical Applications
- Centralized process control in chemical and petrochemical plants
- Automotive assembly line automation and robot cell coordination
- Power generation and utilities SCADA integration
- Water treatment and wastewater management systems
- Building automation and HVAC control in large facilities
- Machine tool control and CNC coordination
System Compatibility
- Rack: SIMATIC S7-400 UR1, UR2, ER1, ER2 racks
- Power Supply: PS 405 / PS 407 series (4A / 10A / 20A)
- Programming Software: STEP 7 v5.4 and above; TIA Portal V13 SP1 and above
- Communication: MPI (max. 32 nodes), PROFIBUS-DP Master (max. 125 slaves)
- Memory Card: SIMATIC Micro Memory Card (MMC) for program backup and firmware update
- ET 200 Distributed I/O: Compatible via PROFIBUS-DP
Selection Guide
Use the criteria below to determine whether the 6ES7412-1XJ07-0AB0 is the right CPU for your project, or to identify a more suitable alternative:
| Requirement | Recommended Model |
|---|---|
| Small to mid-size program (<512 KB), MPI/DP only | 6ES7412-1XJ07-0AB0 ✓ This model |
| Need >512 KB memory, same interface | 6ES7412-2XK07-0AB0 (1.4 MB) |
| Require PROFINET in addition to DP | 6ES7414-2XK05-0AB0 (CPU 414-2 DP/PN) |
| Large distributed system, high I/O count | 6ES7416-2XN05-0AB0 (CPU 416-2 DP) |
| Budget-sensitive, legacy system maintenance | 6ES7412-1XJ05-0AB0 (earlier version) |
Quality Assurance & Sourcing
- Authenticity: All units sourced through verified industrial distribution channels. Genuine Siemens parts with original packaging where available.
- Testing: Each module undergoes functional power-on verification prior to shipment.
- Condition: New, refurbished (tested), and surplus stock options available — clearly labeled on each listing.
- Warranty: 12-month warranty on new units; 90-day warranty on refurbished/surplus units.
- Certifications: CE, UL, RoHS compliant. Manufactured to IEC 61131-2.
How to Order
- Confirm your current CPU model and firmware version from the module label or STEP 7 hardware catalog.
- Select the appropriate condition (New / Refurbished / Surplus) from the product options above.
- Add to cart and proceed to checkout, or contact us for bulk/project pricing.
- For urgent requirements, email support@konmask.com with your project timeline.
- Lead time: In-stock items ship within 1–3 business days. Special orders: 5–15 business days.
Replacement & Compatibility FAQ
Q: Can I replace a 6ES7412-1XJ05-0AB0 with a 6ES7412-1XJ07-0AB0?
A: Yes. The -0AB0 suffix indicates the same hardware revision family. The XJ07 is a newer firmware version and is backward compatible with existing S7-400 racks and STEP 7 projects.
Q: Does this CPU support PROFINET?
A: No. The CPU 412-1 (6ES7412-1XJ07-0AB0) supports MPI and PROFIBUS-DP only. For PROFINET, consider the CPU 414-2 PN/DP or higher.
Q: Is a Micro Memory Card (MMC) required?
A: Yes. The S7-400 CPU 412-1 requires an MMC for program storage. The MMC is not included and must be ordered separately (e.g., 6ES7953-8LJ31-0AA0).
Q: Can this CPU be used in a redundant (H-system) configuration?
A: No. Redundant S7-400H systems require dedicated H-CPUs (e.g., CPU 412-5H). The 412-1 is a standard (non-redundant) CPU.
Q: What programming software is compatible?
A: STEP 7 v5.4 and above (classic), and TIA Portal V13 SP1 and above with the S7-400 migration package.
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