Siemens 6ES7414-4HM14-0AB0 SIMATIC S7-400H CPU 414H Central Processing Unit

Product Description

The Siemens 6ES7414-4HM14-0AB0, also cataloged as the CPU 414-4H Central Processing Unit, operates as a dedicated hardware component for redundant CPU execution and program processing within SIMATIC S7-400H automation systems.

Hardware Specifications

Siemens SIMATIC S7-400H Industrial Control Architecture

The CPU 414-4H uses redundant CPU execution functions for SIMATIC S7-400H systems. It processes user programs, manages memory areas, and communicates with distributed I/O through MPI/DP and PROFIBUS DP interfaces.

Furthermore, the module supports deterministic backplane bus communication velocity and I/O density scaling within the S7-400H hardware structure. The synchronization interfaces allow communication with dedicated synchronization modules for redundant CPU operation.

The CPU supports firmware flash compatibility through Siemens STEP 7 engineering tools. Therefore, system configuration updates and program management follow the defined S7-400H engineering environment.

Frequently Asked Questions

Q: Does the 6ES7414-4HM14-0AB0 support redundant CPU operation?

A: Yes. The CPU 414-4H is designed for SIMATIC S7-400H redundant configurations and includes two synchronization interfaces for synchronization modules.

Q: What memory capacity does the CPU 414-4H provide?

A: The module provides 2.8 Mbyte integrated work memory, including 1.4 Mbyte program memory and 1.4 Mbyte data memory.

Q: Which engineering software is required for this CPU?

A: The CPU requires STEP 7 V5.3 SP2 or higher for configuration, programming, and hardware management.

Field Installation Guidelines

Install the CPU module inside the designated SIMATIC S7-400 rack and ensure correct mechanical engagement with the backplane connector.

Verify that the system power supply provides suitable DC power through the rack backplane. Maintain proper cabinet grounding and separate communication wiring from high-voltage power conductors to reduce electrical interference.

Connect MPI/DP and PROFIBUS DP communication cables according to Siemens installation specifications. Use appropriate shielding and terminate network segments correctly to maintain communication signal quality.

Before commissioning, verify CPU firmware compatibility, hardware configuration, memory status, and synchronization module connections for redundant operation.

Other Attributes

• Country of Origin:  Germany
• Lead Time: In Stock, 2 Working Days

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