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Siemens SIMATIC S7-1200 DCM 1271 Data Decoupling Module

Siemens SIMATIC S7-1200 DCM 1271 Data Decoupling Module for AS-i networks.

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ManufacturerSiemens

Part number3RK7271-1AA30-0AA0

Type Data Decoupling Module

Series SIMATIC S7-1200

For AS-i Master CM 1243-2

Input 24 V / 30 V DC

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Data Decoupling for AS-i Integrated Overload Protection Ground Fault Detection Signaling Contact For AS-i Master CM 1243-2 IP20 Protection

Product description

The Siemens SIMATIC S7-1200 DCM 1271 (3RK7271-1AA30-0AA0) is a data decoupling module designed to work with the AS-Interface Master CM 1243-2. It provides essential protection and signaling functions for AS-Interface networks, ensuring reliable communication between the master and slave devices.

This module features integrated overload protection and ground fault detection, enhancing the safety and stability of your automation system. It has a 24 V / 30 V DC input and a 4 A output for the AS-Interface line. The IP20 protection class ensures suitability for industrial environments.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RK7271-1AA30-0AA0. We provide quality industrial automation components to keep your operations running. Source your essential Siemens AS-Interface modules from Stanlo Automation and benefit from our expertise and commitment to customer satisfaction.

Technical specifications

Type	Data Decoupling Module
Series	SIMATIC S7-1200
For AS-i Master	CM 1243-2
Input	24 V / 30 V DC
Output	1x AS-Interface, 4 A
Protection	Integrated Overload, Ground Fault Detection
IP Rating	IP20

Common applications

AS-Interface Networks

Industrial Automation

Machine Control

Process Control

Fieldbus Systems

PLC Integration

Compatible systems

Siemens SIMATIC S7-1200, AS-Interface Master CM 1243-2

Also known as

SIMATIC S7-1200 DCM 1271, Siemens AS-i Data Decoupling Module, 3RK7271

Replaces / compatible with

This module is designed to work with the Siemens AS-i Master CM 1243-2.

Technical note

Expert tip

The 4A output current rating is sufficient for most AS-Interface networks, but ensure it does not exceed the total current draw of connected AS-i devices.

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Frequently asked questions

What protective features does the Siemens 3RK7271-1AA30-0AA0 module offer?

The Siemens 3RK7271-1AA30-0AA0 module includes integrated overload protection to prevent damage from excessive current and ground fault detection to ensure system safety. It also features a signaling contact for status indication.