Siemens 6ES7960-1AA06-0XA0 S7-400H Synchronization Module

Product Description

Product Overview

The 6ES7960-1AA06-0XA0 is a SIMATIC S7-400H synchronization module V6 from Siemens, designed specifically for coupling redundant CPU 41xH controllers. It enables deterministic, high-speed synchronization between redundant CPUs using a patch cable connection of up to 10 meters.

This module is a core component of Siemens S7-400H high-availability architectures, ensuring seamless state alignment and fast switchover without process interruption.

Technical Specifications

• Manufacturer: Siemens AG

• Brand: Siemens

• Model / Article Number: 6ES7960-1AA06-0XA0

• Product Family: Sync module for coupling CPU 41xH

• Product Type: SIMATIC S7-400H Synchronization Module

• Version: V6

• Supported Cable Length: Patch cable up to 10 m

• System Compatibility: SIMATIC S7-400H redundant PLC systems

• CPU Compatibility: CPU 41xH series

• Product Lifecycle Status: PM300 – Active Product

• Net Weight: 0.56 kg

• Packaging Dimensions: approx. 7.8 × 13.0 × 5.1 cm

• Country of Origin: Taiwan, China

• Commodity Code: 85176200

• RoHS Compliance: Yes (since 05.04.2012)

• WEEE Compliance: Yes

• Export Control: AL: N / ECCN: N

Functional Characteristics

The 6ES7960-1AA06-0XA0 provides deterministic synchronization between redundant CPUs by exchanging process states and timing information. This ensures consistent execution behavior and enables bumpless switchover during faults or maintenance operations.

The V6 hardware revision improves stability and compatibility within modernized S7-400H systems.