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Siemens SIPLUS S7-400 SM 421 32DI Module (-25+60°C)

Siemens SIPLUS S7-400 SM 421 32DI module with conformal coating.

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ManufacturerSiemens

Part number6AG1421-1BL01-2AA0

Module Type Digital Input (DI)

Channels 32

Temperature Range -25 to +60°C

Coating Conformal

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12-month warranty

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Veteran-owned

CAGE: 9NK75

32 digital inputs Conformal coating for harsh environments Extended temperature range (-25 to +60°C) Designed for S7-400 systems Reliable signal acquisition

Product description

The Siemens SIPLUS S7-400 SM 421 (6AG1421-1BL01-2AA0) is a 32-channel digital input module designed for the S7-400 automation system. Based on the 6ES7421-1BL01-0AA0, this module features conformal coating for enhanced protection in harsh environments and operates within a temperature range of -25°C to +60°C.

This module is suitable for various industrial applications requiring reliable digital signal acquisition, particularly in sectors such as chemical processing, manufacturing, and power generation where environmental conditions can be challenging. Its robust design ensures consistent performance and data integrity.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens SIPLUS S7-400 SM 421 module. Secure this essential component to maintain the operational continuity of your S7-400 automation systems.

Technical specifications

Module Type	Digital Input (DI)
Channels	32
Temperature Range	-25 to +60°C
Coating	Conformal
Base Model	6ES7421-1BL01-0AA0
System	S7-400

Common applications

Chemical processing

Manufacturing

Power generation

Water treatment

Industrial automation

Harsh environment control

Compatible systems

Siemens SIMATIC S7-400 PLC

Also known as

SIPLUS S7-400 SM 421 32DI Siemens Digital Input Module 6AG14211BL012AA0

Replaces / compatible with

Direct replacement for Siemens S7-400 SM 421 modules in harsh environment applications.

Technical note

Expert tip

The conformal coating on this SIPLUS module provides protection against moisture, corrosive agents, and temperature fluctuations common in industrial environments.

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Frequently asked questions

What is the operating temperature range for the Siemens 6AG1421-1BL01-2AA0 SIPLUS module?

The Siemens SIPLUS S7-400 SM 421 32DI module (6AG1421-1BL01-2AA0) operates reliably in temperatures ranging from -25°C to +60°C, thanks to its conformal coating.