6ES7 414-4HM14-0AB0 Siemens SIMATIC S7-400H System Module

6ES7 414-4HM14-0AB0 Siemens SIMATIC S7-400H System Module Image 1

Siemens 6ES7 414-4HM14-0AB0 SIMATIC S7-400H CPU module for redundant automation systems.

The Siemens 6ES7 414-4HM14-0AB0 is a CPU 414-4H central processing unit designed for the SIMATIC S7-400H high-availability automation system. This module provides fault-tolerant control for industrial processes where continuous operation is critical, featuring redundant configuration capabilities that ensure seamless switchover in the event of a hardware failure.

The CPU 414-4H is deployed in process industries and manufacturing environments requiring high-availability automation, including chemical plants, power generation facilities, water treatment works, and continuous production lines. The H-system architecture allows two CPU modules to operate in synchronised redundancy, providing uninterrupted control even during maintenance or component faults.

This is a legacy product from the Siemens SIMATIC S7-400 range, which has been superseded by the S7-1500 platform. However, the S7-400H remains widely installed in critical infrastructure where proven reliability and existing system integration take precedence over migration to newer platforms.

Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.

From the same manufacturer

Key FeaturesFault-tolerant redundant CPU; Synchronised H-system operation; Bumpless switchover capability; High-availability automation control
ApplicationsProcess automation with high availability requirements; Continuous production environments; Critical infrastructure control systems; Fault-tolerant industrial automation
CompatibilitySiemens SIMATIC S7-400H systems; S7-400 rack-mount backplanes; STEP 7 programming software
SpecificationsCPU 414-4H processor module; Redundant H-system configuration; S7-400 form factor
PlatformSIMATIC S7-400H
ManufacturerSiemens

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