S20-KNX-1
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MPN: R911174966
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The S20-KNX-1 is a lightweight IndraControl module weighing approximately 100g with IP20 protection. Manufactured by Bosch Rexroth Indramat and included in the S20 IndraControl Modules series, it supports KNX protocol and operates at a supply voltage of 21 to 30V DC. Additional features include DIN rail mounting and a power consumption of <0.5W.
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Product Description:
The S20-KNX-1 communication module is made for integration with KNX networks via a BAOS processor using the FT1.2 protocol. The module facilitates reliable communication for industrial automation systems and building automation systems and allows for easy configuration through ETS5. The S20-KNX-1 establishes a direct connection between KNX and local I/O devices by means of the S20 series connector.
The S20-KNX-1 communication module operates at a KNX transmission speed of 9600 Baud and utilizes a standard KNX supply voltage of 30 V DC. The push-in method is used to establish the connection to the S20 bus, which supports conductor diameters ranging from 0.2 to 1.5 mm^2 for solid or stranded wires and AWG 24 to 16. On the local bus, the typical current draw is 60 mA, with a maximum of 70 mA, and the power consumption is up to 350 mW. The electrical isolation between KNX and functional ground is rated at 500 V AC. The module is protected from surges of up to 35 V for a duration of 0.5 seconds using electronic protection. According to EN/IEC 60068-2-6, it is resistant to shock up to 30g and vibration up to 5g and has a transmit buffer size of 1 kB.
The S20-KNX-1 communication module can handle humidity levels between 5% and 95% without condensation. The is 126.1 mm in height. The module can be kept or transported in temperatures between -40 degrees C and +85 degrees C, and it can work in temperatures between -25 degrees C and +60 degrees C. The housing is pale grey in color (RAL 7035) and has a protection rating of IP20. The highest point it can work at is 3000 meters, and it can handle air pressures between 70 and 106 kPa.
Frequently Asked Questions about S20-KNX-1:
Q: Do S20-KNX-1 connectors support stranded wires?
A: Yes, it supports 0.2-1.5 mm^2 stranded conductors. This provides compatibility with various wiring configurations in field installations.
Q: Why does S20-KNX-1 operate up to 3000 m?
A: It handles air pressure from 70-106 kPa. This allows installation in elevated environments without pressure-related failures.
Q: How does S20-KNX-1 ensure shock resistance?
A: It withstands shocks up to 30g. This enhances mechanical reliability during handling or vibration-prone operations.
Q: Does S20-KNX-1 meet vibration test standards?
A: Yes, it complies with EN/IEC 60068-2-6. It endures up to 5g vibration, ensuring performance stability in mobile or fixed setups.
Q: Why does S20-KNX-1 offer a 1 kB buffer?
A: The 1 kB transmit buffer supports smoother data handling. It improves communication speed and minimizes transmission delays.
