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Siemens SIPLUS S7-1200 SM 1221 8DI Digital Input Module

Siemens SIPLUS S7-1200 SM 1221 8-channel digital input module.

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ManufacturerSiemens

Part number6AG2221-1BF32-1XB0

Type Digital Input Module

Manufacturer Siemens

Series SIPLUS S7-1200 SM 1221

Inputs 8 DI

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8 Digital Inputs 24V DC Operation Sink/Source Configuration Conformal Coating Extended Temperature Range Based on 6ES7221-1BF32-0XB0

Product description

The Siemens SIPLUS S7-1200 SM 1221 digital input module, part number 6AG2221-1BF32-1XB0, is designed for robust automation applications. It features 8 digital inputs (DI) operating on 24V DC, supporting both sink and source configurations. This module is built on the 6ES7221-1BF32-0XB0 platform and includes conformal coating for enhanced environmental protection, rated for temperatures from -25°C to +60°C, with transient overloads up to +70°C for 10 minutes.

This module is ideal for industrial environments requiring reliable signal acquisition. It finds applications in machine control, process automation, and building automation systems where consistent and accurate digital input is crucial. The SIPLUS designation signifies its suitability for harsh conditions.

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Technical specifications

Type	Digital Input Module
Manufacturer	Siemens
Series	SIPLUS S7-1200 SM 1221
Inputs	8 DI
Voltage	24V DC
Temperature Range	-25 to +60°C
Coating	Conformal Coating

Common applications

Machine Control

Process Automation

Building Automation

Industrial Control Panels

SCADA Systems

Compatible systems

Siemens S7-1200 PLCs

Also known as

SIPLUS SM 1221 8DI Siemens SM 1221 6AG22211BF321XB0

Replaces / compatible with

This module is a SIPLUS enhanced version of the standard Siemens 6ES7221-1BF32-0XB0 module, designed for harsher environmental conditions.

Technical note

Expert tip

The conformal coating on this SIPLUS module provides crucial protection against moisture, dust, and corrosive agents, extending its lifespan in challenging industrial settings.

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Frequently asked questions

What is the operating temperature range for the Siemens 6AG2221-1BF32-1XB0 module?

The Siemens 6AG2221-1BF32-1XB0 SIPLUS module operates in a temperature range of -25°C to +60°C. It can also handle transient overloads up to +70°C for 10 minutes, making it suitable for demanding environments.