SIEMENS 6ES7277-0AA21-0XA0 New and Original High quality

6ES7277-0AA21-0XA0

The 6ES727-0AA21-0XA0 model product is a PROFIBUS-DP communication module designed specifically for industrial automation, and is an important component of Siemens' early distributed I/O solutions. This module adopts a compact structure design and supports high-speed data exchange with the main station system (such as S7-300/400 series PLC) through the PROFIBUS-DP protocol. Typical application scenarios include equipment monitoring, production line automation, and distributed control network construction. Its technical parameters cover communication rate adaptation from 9.6Kbps to 12Mbps, RS-485 electrical interface, and modular installation features, allowing users to flexibly configure station addresses from 0-99 through rotary switches, and a single network can support up to 126 station accesses. This model module has industrial grade environmental adaptability, with a working temperature range covering -25 ℃ to+60 ℃, and adopts a 500VAC isolation design to ensure the safe isolation of on-site equipment and logic circuits. Despite its early positioning, the stability and compatibility of the product still have application value in manufacturing, building automation, and water treatment, especially in scenarios that require high real-time performance and reduced wiring complexity.

Technical specifcations for 6ES7277-0AA21-0XA0

Communication Protocol and Interface:

Supports the PROFIBUS-DP protocol as a slave device to access the PROFIBUS-DP network.

Equipped with RS-485 electrical interface to meet the electrical characteristics requirements of industrial fieldbus communication.

Communication speed:

Supports baud rate adaptation from 9.6Kbps to 12Mbps, automatically matching the optimal communication rate according to the network environment.

Station address setting:

The station address range is 0-99, and physical address configuration can be done through rotary switches for flexible deployment on site.

A single PROFIBUS network can support up to 126 site connections, and this module model can be configured as one of up to 99 sites.

Power supply and electrical parameters:

The input power range is 20.4-28.8VDC, suitable for the common 24VDC power supply system in industrial sites.

Capable of isolating 500VAC on-site to logic circuits, with an isolation time of 1 minute, effectively suppressing on-site interference.

Structure and Installation:

Adopting a compact modular design, it can seamlessly integrate with the S7-200 series PLC, simplifying the system architecture.

The installation method complies with the standard rail installation specifications and supports rapid deployment of distributed I/O systems.

Environmental adaptability:

The working temperature range is -25 ℃ to+60 ℃, suitable for complex temperature and humidity environments in industrial sites.

Meets industrial grade electromagnetic compatibility requirements and can operate stably in strong interference environments.

Diagnosis and status indication:

Equipped with LED indicator lights, real-time display of DP port communication status (such as initialization, data exchange, errors, etc.).

Support error type diagnosis (such as configuration errors, parameter errors) for quick identification of communication faults.

Our Services:

1、All our products are new and orginal, and of good quality

2、Our prices are very competitive.

3、 We have a large quantity in stock, so we could help the customers to get the components which are dificult to get.

4、All inquiries will be valued and will reply in 24.

Packing & Delivery:

1、100% brand New and Original Factory Seal!

2、Warranty:1 year

3、Package: Original packing with cartons.

4、Delivery time: Shipped in 3-7 days after payment

5、All the goods will be tested before shipment

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