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Siemens 6ES7414-4HJ04-0AB0 SIMATIC S7-400H CPU 414-4H

Siemens 6ES7414-4HJ04-0AB0 SIMATIC S7-400H CPU 414-4H

Product Name: SIMATIC S7-400H CPU 414-4H Fault-Tolerant Controller

Brand Name: Siemens

Model Number: 6ES7414-4HJ04-0AB0

Place of Origin: Germany

Warranty: 12 Months

Whatsapp: +86 18020776782

Email: [email protected]

Appurtenance:

siemens 6es7414 4hj04 0ab0 simatic s7 400h cpu 414 4h-1

Overview
H-System Recovery
Description
Specifications
CPU Compatibility
Commercial Term
Contact info
FAQ
Other Products
Recommended Products

High-availability S7-400H CPU for redundant and fail-safe automation with dual H-synchronization interfaces

The CPU 414-4H provides 0.7 MB code and 0.7 MB data memory, one MPI/DP interface, one additional DP interface and two slots for H-sync modules. It supports high-availability S7-400H and S7-400F/FH applications.

Redundant-pair review: Match the complete order number, hardware and V4.x firmware, memory card, rack identity, partner CPU, H-sync modules, fiber paths, STEP 7 project, PROFIBUS configuration and approved CP compatibility before replacing either side of the H system.

H-System Recovery

Preserve the live redundancy state and both synchronization paths before changing one CPU in a running or stopped H system.

Pair identity

Record order numbers, hardware, firmware, memory cards, rack 0 or 1 role and master or reserve state for both CPUs.

H-sync paths

Label both synchronization modules and fiber-optic links end to end; inspect link LEDs and connector condition.

Recovery sequence

Follow the approved STOP, exchange, startup, link-up and update procedure while monitoring both diagnostic buffers.

Description

6ES7414-4HJ04-0AB0 is a CPU 414-4H repair spare for S7-400H systems. High availability depends on a matched CPU pair, correct rack 0 and rack 1 assignment, two synchronization links and a consistent hardware and software configuration.

Before replacement, establish which CPU is master and which is reserve, capture the diagnostic buffers and redundancy state, archive the project and safety data where applicable, and document both synchronization modules and fiber routes.

Specifications

Product type designation	SIMATIC S7-400H CPU 414-4H
Order number	6ES7414-4HJ04-0AB0
System use	S7-400H and S7-400F/FH
Firmware family	V4.x
Work memory	0.7 MB code and 0.7 MB data
Execution reference	0.08 ms per 1000 instructions
Digital I/O range	8 KB
Connections	32
Integrated interfaces	One MPI/DP and one PROFIBUS DP
H synchronization	Two slots for synchronization modules
Engineering basis	STEP 7 S7-400H hardware configuration
Lifecycle	Discontinued repair spare

CPU Compatibility

The controller, communication processors and fail-safe project must be treated as one validated system configuration.

CP matrix

Check the exact firmware against the Siemens Industrial Ethernet and PROFIBUS CP compatibility tables.

DP configuration

Preserve MPI/DP mode, bus addresses, DP masters, redundant I/O and every hardware configuration parameter.

F/FH control

For fail-safe use, retain the approved safety program, signatures, authorization and validation evidence.

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

How can I verify that 6ES7414-4HJ04-0AB0 is a compatible spare for my S7-400H pair?

Compare the complete order number, hardware version, V4.x firmware, memory card, STEP 7 hardware configuration, rack role, partner CPU and both H-sync modules. Also check installed Ethernet and PROFIBUS CPs against Siemens compatibility tables.

What should I capture before replacing 6ES7414-4HJ04-0AB0 in a redundant system?

Archive the project and online blocks, record master and reserve state, rack 0 or 1 assignment, diagnostic buffers, memory use, DP configuration, communication partners, H-sync module types, fiber routes and normal redundancy LEDs.

Why can the H system remain in single mode after 6ES7414-4HJ04-0AB0 is installed?

Check CPU hardware and firmware match, memory configuration, rack identity, project consistency, both synchronization modules and both fiber links. Read the REDF and INTF diagnostics on each CPU before attempting another link-up or update.

How should I diagnose missing PROFIBUS devices after replacing 6ES7414-4HJ04-0AB0?

Compare the restored MPI/DP and DP interface modes, addresses, baud rates and hardware configuration with the archived project. Identify the first missing station, then inspect its connector, termination and redundant I/O configuration.

What additional controls apply when 6ES7414-4HJ04-0AB0 is used in an S7-400F/FH application?

Use the approved safety project and authorized maintenance procedure. Preserve safety signatures and validation records, verify fail-safe I/O and communication, and complete the required functional safety acceptance before returning to service.

Can 6ES7414-4HJ04-0AB0 be replaced by a newer CPU 414H without project work?

Do not assume a direct exchange. Review STEP 7 support, CPU and CP compatibility, memory and interface differences, firmware, H-sync hardware, safety approval and project conversion in a test environment before planning the migration.

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