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Specification & Description
The Siemens 6NH9821-0BC12 is a robust cable transformer designed to ensure the integrity and reliability of telecontrol communication lines. This component is part of the SINAUT ST7 product family and is specifically engineered to provide overvoltage protection, safeguarding sensitive electronic equipment from potential damage caused by voltage surges.
Crafted for use at either the start or end of a 4-wire cable, or at a 2-wire tapping point, the 6NH9821-0BC12 is an essential device for maintaining the operational stability of industrial communication networks. It features a transmission frequency range of 300 Hz to 35 kHz, accommodating a broad spectrum of signal bandwidths for versatile application.
The unit is designed to be installed as close as possible to where the cable enters the building, ensuring maximum protection where it's most needed. With an IP20 protection class, it is suited for indoor environments where it can be shielded from dust and other particulate matter.
The dimensions of the 6NH9821-0BC12 are optimised for easy integration into existing setups, with a width of 90 mm, a height of 75 mm, and a depth of 110 mm. It also boasts a lightweight design at just 320 g, making it easy to handle and install. The device is mountable on a DIN rail TS35 (35 mm, EN 50 022), ensuring secure and straightforward installation.
This cable transformer is a testament to Siemens' commitment to quality and reliability in industrial automation and control. It is a vital component for any setup requiring a high degree of communication line protection and stability.
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Frequently Asked Questions
What is the purpose of this cable transformer?
The Siemens Cable Transformer is designed for use in telecontrol applications, specifically to connect and protect telecommunication lines in industrial settings. It provides overvoltage protection and electrical isolation, ensuring the safe and reliable operation of telecontrol systems.
Can this transformer be used for both 2-wire and 4-wire telecontrol lines?
Yes, the Siemens Cable Transformer is suitable for use at the start or end of a 4-wire cable or at a 2-wire tapping point, providing versatility in different telecontrol network configurations.
What are the ambient temperature conditions for operating this transformer?
The transformer can operate within an ambient temperature range of 0 to 60 degrees Celsius, ensuring it can function effectively in various industrial environments.
How should this transformer be installed?
For optimal performance, the transformer should be installed as close as possible to where the cable enters the building. It is designed to be mounted on a DIN rail TS35, which is a standard mounting type for industrial equipment.
What is the protection class of this transformer?
The transformer has a protection class of IP20, indicating that it is protected against solid objects larger than 12.5mm but not against water, making it suitable for indoor use in dry environments.
What are the dimensions and weight of the transformer?
The transformer has a width of 90mm, a height of 75mm, and a depth of 110mm. It weighs approximately 320 grams, making it a compact and lightweight solution for telecontrol systems.
Is there any specific maintenance required for this transformer?
While the transformer is designed for durability, it is recommended to periodically check and potentially replace the overvoltage protection modules to ensure continued protection against voltage surges, especially in areas prone to frequent electrical storms.
What is the transmission frequency range for this transformer?
The transformer supports a transmission frequency range from 300 Hz to 35 kHz, accommodating a wide range of telecontrol communication requirements.
How can I ensure the transformer is functioning correctly?
Regular inspections for physical damage, ensuring proper mounting, and verifying that the ambient conditions are within the specified limits can help maintain the transformer's functionality. Additionally, checking the status of the overvoltage protection modules is advisable.
What should I do if I need to expand my telecontrol network?
If you need to expand your network, additional Siemens Cable Transformers can be connected together to accommodate the new configuration. Ensure that all connections and protections are properly implemented for the expanded setup.
