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Siemens 6ES7412-2XJ05-0AB0 SIMATIC S7-400 CPU 412-2

Siemens 6ES7412-2XJ05-0AB0 SIMATIC S7-400 CPU 412-2

Product Name: SIMATIC S7-400 CPU 412-2

Brand Name: Siemens

Model Number: 6ES7412-2XJ05-0AB0

Place of Origin: Germany

Warranty: 12 Months

Whatsapp: +86 18020776782

Email: [email protected]

Appurtenance:

siemens 6es7412 2xj05 0ab0 simatic s7 400 cpu 412 2-1

Overview
System Fit
Description
PROFIBUS Recovery
Specifications
Commercial Term
Contact info
FAQ
Other Products
Recommended Products

S7-400 controller with 512 KB work memory and two configurable PROFIBUS interfaces

The Siemens CPU 412-2 combines 256 KB program memory and 256 KB data memory with one MPI/PROFIBUS DP interface and one additional PROFIBUS DP interface. Both interfaces support transmission rates up to 12 Mbit/s.

CPU replacement gate: Match firmware V5.3, STEP 7 hardware support, the memory card, battery state, rack position, interface mode, node address, baud rate and DP master or slave role before replacing an installed CPU.

System Fit

Treat the processor as part of a configured S7-400 station and verify the project, load memory and communication processors together.

Firmware and project

Confirm the project contains the V5.3 CPU entry and that the engineering station has the required hardware catalog update.

Memory and backup

Identify the RAM or FLASH memory card, retain its contents and check the backup battery and external backup arrangement.

Rack and CPs

Record rack and slot, expansion topology and every installed PROFIBUS or Industrial Ethernet communication processor.

Description

6ES7412-2XJ05-0AB0 is a SIMATIC S7-400 central processor intended for modular stations that require two independent PROFIBUS communication paths. The exact hardware supports configuration in RUN and PROFIBUS isochronous operation.

A successful exchange depends on the complete station project, not only on the CPU article. Archive the online blocks and system data, save the diagnostic buffer, identify the installed memory card and document both bus segments before removing power.

PROFIBUS Recovery

Document the two interfaces separately because they may use different bus roles, addresses and physical segments.

Interface map

Record MPI or DP mode, station address, baud rate and master or device role for each connector.

Physical layer

Check shielding, connector orientation and termination at the real ends of each PROFIBUS segment.

Controlled startup

Commission one segment at a time and compare accessible nodes, slave diagnostics and the diagnostic buffer with the saved baseline.

Specifications

Product type designation	SIMATIC S7-400 CPU 412-2
Order number	6ES7412-2XJ05-0AB0
Hardware / firmware	HW status 03; firmware V5.3
Integrated work memory	512 KB total
Program / data memory	256 KB / 256 KB
First interface	MPI / PROFIBUS DP, RS485, up to 12 Mbit/s
Second interface	PROFIBUS DP, RS485, up to 12 Mbit/s
DP devices	Up to 32 on interface 1; up to 64 on interface 2
Engineering software	STEP 7 V5.3 SP2 or higher with hardware update
Configuration in RUN	Supported
Typical power loss	4.5 W
Dimensions / weight	25 x 290 x 219 mm; approx. 700 g

Commercial Term

Quotation

Current price and availability

Payment

T/T or agreed terms

Lead time

Confirmed with quotation

Shipping

DHL, FedEx, UPS or agreed freight

Warranty

12 months

Contact info

CONTACT

Jim Pei

[email protected]

+86 180 2077 6782

FAQ

Can 6ES7412-2XJ05-0AB0 replace an earlier CPU 412-2 without changing the STEP 7 project?

Not automatically. Confirm firmware V5.3, work-memory demand, the exact hardware catalog entry, memory-card type, interface roles and installed CP compatibility. Keep a tested migration copy of the project before changing any hardware definition.

What should I back up before removing 6ES7412-2XJ05-0AB0 from a running S7-400 station?

Archive the complete station and network project, online blocks, system data, memory-card contents and diagnostic buffer. Photograph rack placement and record both interfaces, node addresses, baud rates, bus roles and termination positions.

Why can one PROFIBUS segment work while the second interface of 6ES7412-2XJ05-0AB0 remains in fault?

The two interfaces can use different modes and configurations. Compare the affected interface address, master or device role, baud rate and slave list with the project, then inspect its separate cable, shielding, connectors and termination.

How should the memory card and backup battery be handled when replacing 6ES7412-2XJ05-0AB0?

Record the installed card type and capacity, save its contents and verify the approved transfer procedure before power-down. Check battery condition and retained data, then confirm cold and warm restart behavior after the exchange.

What should be checked if 6ES7412-2XJ05-0AB0 stays in STOP after the saved project is restored?

Read the first diagnostic-buffer entries, verify system data and memory-card contents, and check rack, expansion and CP communication. Bring up the two PROFIBUS networks in a controlled sequence and correct the first documented cause.

How can communication-processor compatibility be verified for 6ES7412-2XJ05-0AB0?

Use the Siemens CPU and CP compatibility list for the exact CPU firmware, then compare every installed CP article and version. Mechanical fit in the S7-400 rack does not prove that the CP is supported by this CPU release.

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