Schneider Electric 170DNT11000

Schneider Electric 170DNT11000 Profibus DP Communication Adapter

The Schneider Electric 170DNT11000 is a Profibus DP communication adapter designed to enhance connectivity and streamline communication across multiple automation platforms. This product is part of the Modicon Momentum automation platform and is fully compatible with Preventa safety PLCs, Modicon Premium, and Modicon Quantum automation platforms. It is a vital accessory for systems requiring reliable and efficient communication between different devices in a networked industrial environment.

Profibus DP Communication Protocol

The 170DNT11000 operates using the Profibus DP communication protocol, a widely recognized standard in industrial automation for fast and deterministic communication between controllers and field devices. This communication protocol follows a Master/Slave method of access, allowing for dynamic exchange of data between devices. This protocol is known for its high transmission rates, ranging from 9.6 kbps to 12 Mbps, ensuring the timely and accurate transfer of information across the network. This transmission rate makes the device suitable for high-demand industrial settings where performance is a priority.

Flexibility in Topology and Transmission Support

The Schneider Electric 170DNT11000 offers flexible network topology configurations, supporting both multidrop and ring topologies. This adaptability ensures that the device can be used in a wide variety of network designs, making it versatile for different applications. The device can also support up to 126 devices on a single network, allowing for expansive automation networks without compromising communication performance. Moreover, the adapter supports communication over twisted pair cables, a reliable and cost-effective medium widely used in industrial environments. The maximum cable length supported by this device is up to 3937 feet (1200 meters), providing ample distance coverage for large-scale installations.

Addressing and Control Parameters

The Schneider Electric 170DNT11000 communication adapter uses a switch-selectable addressing method, making it easy to assign and modify addresses for each device within the network. This feature allows for faster setup and deployment in the field. The adapter is equipped with a CRC-16 control parameter, which is a cyclic redundancy check algorithm used to detect errors during communication, ensuring data integrity across the network. Additionally, the device is designed with a fail-safe state, which helps to ensure that the system remains in a safe operational state in the event of a communication failure or error.

Power Supply and Local Signaling

The 170DNT11000 receives its power supply directly from the I/O base, eliminating the need for external power sources and simplifying the overall system configuration. This direct supply also minimizes installation complexity and ensures continuous power availability. The device features local signaling with a green LED indicator that alerts users to a bus fault (BF), making it easier to diagnose and resolve network communication issues on-site. This real-time feedback allows for quicker identification of potential problems, ensuring that network downtime is minimized.

Compliance and Marking

The 170DNT11000 adheres to various international standards and is CE marked, certifying that it meets essential safety, health, and environmental protection requirements. Its high level of compliance ensures reliable and safe operation across global industrial applications.

Frequently Asked Questions (FAQs)

What is the primary function of the Schneider Electric 170DNT11000?

The primary function of the 170DNT11000 is to serve as a Profibus DP communication adapter, facilitating communication between various devices in an industrial automation network.

Which platforms are compatible with this communication adapter?

The 170DNT11000 is compatible with the Modicon Momentum automation platform, as well as Modicon Premium, Modicon Quantum, and Preventa safety PLCs.

What transmission rates does this device support?

It supports transmission rates from 9.6 kbps to 12 Mbps, providing flexibility in network speed depending on the application.

How many devices can be connected to the network using this adapter?

The adapter can support up to 126 devices in a single Profibus DP network.

What type of topology does this communication adapter support?

The device supports both multidrop and ring topologies, providing versatility in network configuration.

How is addressing managed in the 170DNT11000?

Addressing is switch-selectable, allowing for easy setup and adjustment of device addresses within the network.

What is the maximum cable length supported by the 170DNT11000?

The adapter supports a maximum cable length of 3937 feet (1200 meters), making it suitable for large installations.

Does the device provide any visual feedback for troubleshooting?

Yes, the device features a green LED indicator to signal bus faults (BF), providing quick diagnostics in case of communication issues.

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