Siemens 6ES7221-1BF21-0XA0 Input Module

Siemens 6ES7221-1BF21-0XA0 Input Module

Product Details Introduction

Main features:

Expand 8-channel digital input:

Provide 8 24V DC input channels for easy acquisition of signals from external devices such as sensors and switches.

Quick response:

An input delay time of 3-4 milliseconds is suitable for time sensitive industrial control applications, ensuring that signals can be processed quickly.

Electrical isolation:

Electrical isolation design enhances signal stability and system reliability, preventing mutual interference between signals.

Modular design:

Small module size, compact design, easy to expand in existing systems, and convenient for multi module combination use.

Suitable for harsh environments:

The working temperature range is from 0 ° C to 55 ° C, suitable for the harsh environment of industrial sites.

Application scenarios:

Industrial automation:

Used for automation control systems in factories, collecting digital signals from various sensors and switches on the production line to control the operation of mechanical equipment.

Process control:

In process control applications, this module is used to collect various switch signals to ensure that the production process runs according to predetermined logic.

Equipment monitoring and management:

In the device monitoring and maintenance system, the on/off signals of the device's operating status are collected to achieve real-time monitoring and preventive maintenance.

Building automation:

Applied in building control systems, it is used to collect digital input signals from lighting, access control and other systems in buildings.

Summary:

The Siemens 6ES7221-1BF21-0XA0 digital input module is an important expansion unit of the SIMATIC S7-200 PLC series. It provides 8 24V DC digital input channels and features fast response, modular design, and electrical isolation. It can adapt to various application scenarios such as industrial automation, process control, and equipment management.

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