Siemens 6ES7321-1FF01-0AA0 Digital Input Module

Siemens 6ES7321-1FF01-0AA0 Digital Input Module

Product Details Introduction

Siemens 6ES7321-1FF01-0AA0 is a S7-300 series digital input module with 8 input channels, supporting 120/230V AC voltage input. This module is designed specifically for high voltage signal input in industrial automation and is suitable for collecting high voltage digital signals from devices such as switches and sensors.

Main technical specifications:

Number of input channels: 8 digital inputs

Input voltage: 120/230V AC

Input current: 1.5 mA (per channel, typical value)

Input delay: 20 ms (can be used to filter signal jitter)

Isolation voltage: 250 V (between input and backplane bus)

Functional features:

High voltage input: This module supports 120V and 230V AC voltage inputs, suitable for handling higher input voltages in industrial environments.

LED status indicator: Each input channel is equipped with LED indicator lights to display signal status, making it convenient for debugging and monitoring.

Insulation design: Electrical isolation is used between the input channel and the backplane bus to ensure the safety and stability of signal acquisition.

Diagnostic function: The module supports diagnostic function, which can detect the status of input signals and avoid the impact of faults on the system.

Suitable for AC signal acquisition: Due to its high voltage input capability, it is suitable for scenarios where AC signals are received, such as switch and valve control signals.

Application scenarios:

Factory automation: suitable for high-voltage signal acquisition, such as status signals from mechanical equipment, process control signals, etc.

Building management system: can be used for monitoring the status of electrical equipment in building automation.

Energy and Public Utilities: High voltage signal acquisition for public utilities such as electricity and water supply.

Summary:

Siemens 6ES7321-1FF01-0AA0 is a high-voltage digital input module suitable for industrial scenarios that require the acquisition of 120/230V AC voltage signals. It provides a highly reliable input interface for industrial automation systems, while supporting common high-voltage AC signal inputs, ensuring the safety and stability of the system.

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