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Siemens 6ES7221-1BF20-0XA0 Digital Input Module
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Siemens 6ES7221-1BF20-0XA0 Digital Input Module
Product Details Introduction
Siemens 6ES7221-1BF20-0XA0 is a digital input module from the SIMATIC S7-200 series, designed to expand the input capabilities of PLC systems. It is suitable for processing switch signals from external devices such as buttons, switches, and sensors.
Main technical specifications:
Product model: 6ES7221-1BF20-0XA0
Module type: Digital input module
Input channel:
8 digital inputs, supporting 24V DC input signals.
Input voltage range:
24V DC, standard industrial signal voltage, suitable for digital signal input in industrial sites.
Input delay:
The typical input delay time is 3-4 ms, which can quickly respond to changes in external input signals.
Electrical isolation:
There is electrical isolation between the input channel and the PLC system to ensure minimal signal interference and improve system reliability.
Size:
Width: 71.2 mm
Height: 80 mm
Depth: 62 mm
Installation method:
DIN rail installation, convenient for integration into standard industrial control cabinets.
Main features:
Expand 8-channel digital input:
Provide an additional 8 digital input points for the PLC system to receive 24V DC switch signals, increasing the flexibility and scalability of the system.
Quick response:
The input delay time is 3-4 ms, suitable for industrial automation applications that require response speed.
Electrical isolation design:
Electrical isolation between input channels and between PLC systems effectively reduces electrical interference and ensures stable signal transmission.
Compact design:
The module has a small volume and is easy to install in the control cabinet, saving space and suitable for automation projects that require multiple input points.
Modular Expansion:
When used in conjunction with S7-200 PLC, flexible system expansion and combination can be achieved to meet diverse input requirements.
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