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Siemens SIPLUS S7-1200 SB 1221 4DI Digital Input Module

Siemens SIPLUS S7-1200 4DI digital input module for harsh environments.

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ManufacturerSiemens

Part number6AG1221-3BD30-5XB0

Type Digital Input Module

Manufacturer Siemens

Series SIPLUS S7-1200

Inputs 4 DI

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Veteran-owned

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4 digital inputs 24V DC operation High-speed 200 kHz inputs Conformal coating for harsh environments Wide temperature range (-40 to +60°C)

Product description

The Siemens SIPLUS S7-1200 SB 1221 digital input module, part number 6AG1221-3BD30-5XB0, is designed for harsh environmental conditions. Based on the 6ES7221-3BD30-0XB0, it features conformal coating for protection against moisture and corrosive atmospheres, operating reliably in temperatures from -40°C to +60°C. This module provides 4 digital inputs capable of handling 24V DC signals up to 200 kHz.

This module is ideal for use in challenging industrial settings such as chemical plants, outdoor installations, and areas with extreme temperature fluctuations. It integrates seamlessly with the S7-1200 PLC family for robust automation solutions in demanding sectors.

Stanlo Automation, a veteran-owned surplus distributor, provides access to specialized industrial components like the SIPLUS series. We ensure quality and offer competitive pricing, making it easier for businesses to acquire reliable parts for their critical automation needs.

Technical specifications

Type	Digital Input Module
Manufacturer	Siemens
Series	SIPLUS S7-1200
Inputs	4 DI
Voltage	24V DC
Frequency	200 kHz
Temperature Range	-40 to +60 °C
Coating	Conformal

Common applications

Chemical processing

Outdoor installations

Extreme temperature environments

Manufacturing automation

Harsh industrial sites

Compatible systems

Siemens SIMATIC S7-1200 PLC

Also known as

Siemens S7-1200 DI module SIPLUS 6AG1221-3BD30-5XB0 Siemens digital input card

Replaces / compatible with

This SIPLUS module is an enhanced version of the standard 6ES7221-3BD30-0XB0, offering superior environmental protection for S7-1200 systems.

Technical note

Expert tip

The 'start up -25 °C' specification indicates the minimum temperature at which the module can be powered on and begin operation.

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Frequently asked questions

What makes the Siemens 6AG1221-3BD30-5XB0 suitable for harsh environments?

The Siemens 6AG1221-3BD30-5XB0 features a conformal coating and is designed to operate within an extended temperature range of -40°C to +60°C, providing protection against moisture, dust, and corrosive elements.