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Siemens SIMATIC S7-400H CPU 412-3H 6ES7412-3HJ14-0AB0
Manufacturer: Siemens
Condition: Brand New
Lead Time: In Stock
Origin: Germany
Warranty: 12 Months
Email: [email protected]
whatsApp: +86-18150117685
- Overview
- Product Overview
- Key Functions
- Official Specifications
- Frequently Asked Questions
- Compatibility & Ordering Notes
- Hot Selling Models
- Recommended Products
Overview
Siemens · SIMATIC S7-400H / S7-400F/FH
6ES7412-3HJ14-0AB0 SIMATIC S7-400H CPU 412-3H
The CPU 412-3H is an S7-400H central processing unit with separate program and data memory, one MPI/PROFIBUS DP interface and two interfaces for synchronization modules.
At a Glance
| Brand | Siemens |
|---|---|
| Model | 6ES7412-3HJ14-0AB0 |
| Product Type | Redundant and fail-safe automation CPU |
| Core Function | Executes control programs in S7-400H redundant and S7-400F/FH safety systems |
| Application or Compatible Series | SIMATIC S7-400H high-availability and S7-400F/FH fail-safe controller configurations |
Exact Identification
Match 6ES7412-3HJ14-0AB0 character by character and confirm the complete SIMATIC S7-400H CPU 412-3H designation.
Interface Arrangement
Confirm the installed supply, ports, field connections and required accessories before wiring the replacement.
Configuration Check
Preserve the approved engineering project, network parameters and application data used by the installed system.
Product Overview
The CPU 412-3H is an S7-400H central processing unit with separate program and data memory, one MPI/PROFIBUS DP interface and two interfaces for synchronization modules.
Two matched H-CPUs can form the documented redundant automation system. The CPU is approved for compatible S7-400F/FH configurations with the required safety software. Two module interfaces carry the synchronization links between redundant CPUs.
Key Functions
High-Availability Control
Two matched H-CPUs can form the documented redundant automation system.
Safety-System Support
The CPU is approved for compatible S7-400F/FH configurations with the required safety software.
Dedicated Synchronization
Two module interfaces carry the synchronization links between redundant CPUs.
Official Specifications
| CPU Type | CPU 412-3H |
|---|---|
| Controller Families | S7-400H and S7-400F/FH |
| Total Work Memory | 768 KB |
| Program Memory | 512 KB |
| Data Memory | 256 KB |
| MPI / PROFIBUS DP Interfaces | 1 |
| Synchronization Interfaces | 2 |
| PROFIBUS DP Rate | Up to 12 Mbit/s |
| S7 Routing | Supported |
| PROFIsafe V2 Mode | Supported from firmware V4.5 |
| Redundancy Mode | With matched S7-400H partner CPU |
| Safety Engineering | S7 F/FH Systems |
| Memory Card | Selected for the configured S7-400 load-memory requirement |
| Rack Platform | SIMATIC S7-400 |
Frequently Asked Questions
Which automation architectures use 6ES7412-3HJ14-0AB0?
It is intended for compatible S7-400H redundant and S7-400F/FH fail-safe systems.
How is the work memory divided on 6ES7412-3HJ14-0AB0?
The total is split into 512 KB for program data and 256 KB for process data.
How many synchronization connections are built into 6ES7412-3HJ14-0AB0?
Two dedicated interfaces connect the approved synchronization modules.
Can 6ES7412-3HJ14-0AB0 route S7 communication between configured networks?
Yes; S7 routing is supported in a correctly engineered station.
What must match between redundant partners using 6ES7412-3HJ14-0AB0?
Align article number, hardware revision, firmware, memory configuration and the H-system project.
What should be backed up before replacing 6ES7412-3HJ14-0AB0?
Preserve the complete STEP 7 project, H parameters, safety program, memory-card contents and diagnostics.
What should be tested after installing 6ES7412-3HJ14-0AB0?
Verify synchronization, redundancy switchover, communication paths, alarms and the required safety acceptance.
Compatibility & Ordering Notes
Compatibility Checklist
- Use matched H-system CPU hardware, firmware and synchronization components.
- Restore the validated S7-400H or S7-400F/FH project.
- Test redundancy and safety behavior before returning the plant to service.
