Echuan Hydraulic
Echuan Hydraulic Machinery Co., Ltd.
No. 53 Shuikou Avenue, Huizhou, Guangdong, China
Tel +86-752-2399772 · WhatsApp +86-13422935851
[email protected] · www.echuan-hydraulic.com
Product Data Sheet

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Product Description

Siemens 6ES7 421-1BL01-0AA0

The Siemens 6ES7 421-1BL01-0AA0 is a digital input module from the robust SIMATIC S7-400 series, designed for high-performance automation tasks. This SM 421 module provides 32 digital inputs, operating at a rated voltage of 24V DC. It is engineered to reliably acquire binary control signals from the process level and transmit them to the S7-400 controller. Featuring optical isolation, it ensures signal integrity and protects the PLC’s internal circuitry from field-level electrical disturbances. This module is ideal for expanding the I/O capabilities of complex control systems in manufacturing, process automation, and other demanding industrial environments.

Technical Specifications:

  • Product Type: Digital Input Module SM 421

  • Part of System: SIMATIC S7-400

  • Number of Digital Inputs: 32

  • Input Voltage: 24 V DC

  • Isolation: Optically isolated

  • Input Characteristic Curve: In accordance with IEC 61131, type 2

  • Current consumption from backplane bus: Typ. 300 mA

Siemens 6ES7 421-1BL01-0AA0 Description

Siemens 6ES7 421-1BL01-0AA0

Siemens 6ES7421-1BL01-0AA0 SIMATIC S7-400 SM 421 Digital Input Module. This reliable 32-channel, 24V DC module provides optically isolated digital inputs for demanding industrial automation systems.

BrandSIEMENS
Model6ES7 421-1BL01-0AA0
CategoryElectrical
Linkhttps://www.echuan-hydraulic.com/product/siemens-6es7-421-1bl01-0aa0
Request a quote: [email protected] · WhatsApp +86-13422935851 · Tel +86-752-2399772
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