Siemens 6ES7321-1CH00-0AA0 Logic Controller Module

Siemens 6ES7321-1CH00-0AA0 Logic Controller Module

Product Details Introduction

Siemens 6ES7321-1CH00-0AA0 is a digital input module designed for the S7-300 PLC series. This module has 32 24V DC input channels, specifically designed to collect digital signals from external devices and transmit them to the PLC system for logical processing.

Main technical specifications:

Number of input channels: 32 digital inputs

Input voltage: 24V DC

Input current: 4.5 mA (per channel)

Input delay: configurable from 0.2 to 12.8 ms

Isolation voltage: 500 V (between channel and backplane bus)

Functional features:

High density design: A single module supports 32 inputs, suitable for applications that require a large number of input points.

LED indicator lights: Each input channel is equipped with LED indicator lights that display signal status in real-time.

Diagnostic function: capable of diagnosing faults such as input short circuits and open circuits, ensuring system reliability.

Modular architecture: suitable for compact S7-300 PLC racks, easy to expand and maintain.

Application scenarios:

Suitable for large-scale signal acquisition in manufacturing, process automation, and building management.

Commonly used for signal input of sensors, buttons, and switches to meet complex logic control requirements.

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