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Fieldbus System

Industrial Wireless System

Je pre Vás veľké množstvo káblov problém? Máte skúsenosti s prerušením komunikačných káblov a odpojením Vašich zariadení?

Ak máte radi jednoduchosť bezdrôtových systémov, potom sú pre vás bezdrôtové komunikačné jednotky série EXW1/EX600-W tým správnym riešením. Ide o decentralizovaný bezdrôtový systém sériového prenosu dát, ktorý umožňuje pripojenie viacerých vzdialených jednotiek typu Remote k jednej jednotke typu Base bez potreby komunikačných káblov.

Hoci je systém vhodný pre všetky priemyselné odvetvia, väčšina jeho aplikácií sa doteraz týkala najmä robotických pracovných staníc a ich periférnych zariadení. Pohyb robotických ramien a otočných stolov vystavuje komunikačné káble extrémnemu krúteniu a otáčaniu, čo nakoniec spôsobí ich únavu a zlomenie. Vďaka jedinečnému systému bezdrôtového sériového prenosu dát SMC môžete v podstate eliminovať všetky káble, ktoré prenášajú riadiace signály.

Hlavné výhody SMC bezdrôtového systému sériového prenosu dát sú:

  • Menej káblov a konektorov, kratšia doba inštalácie a údržby, menej porúch a rizík rozpojenia –  kompaktné a modulárne bezdrôtové systémy sériového prenosu dát
  • Maximálne spoľahlivá, bezpečná, a rušeniu odolná komunikácia – zmena frekvencei a šifrovanie dát v pásme 2.4 GHz ISM (Industrial, Scientific, and Medical)
  • Všestranné použitie – vhodné pre výmenu nástrojov na ramenách robotoa alebo pre otočné stoly s polohovaním
  • Flexibilita pre Vaše stroje – jednoduchá úprava obvodu a rýchaé pripojenie.

Wireless fieldbus system related information

See for yourself how with EX600-W Series "Less is definitely more"

Our wireless solutions

FAQs

What does the term “wireless” refer to?

Wireless is the transfer of information between two or more points that are not connected by an electrical conductor. In wireless systems, the transmission medium used is the air through electromagnetic radio signals. There are different wireless signals depending on the range of frequencies they occupy. Some wireless networks currently being used: - Wi-Fi: 2.4 GHz, 5.8 GHz - Bluetooth: 2.4 GHz - Wibree: 2.4 GHz.

Is wireless being used in factory automation?

The use of wireless communication in instrumentation and the control level of the automation system is considerably reduced when compared to other scopes. There is, however, a clear trend and interest to apply wireless solutions in automation systems as it provides several benefits:
- Savings related to the cost of cables
- Easier communication configuration
- Positioning the sensors in positions that cannot be reached with wired units
- The growth of information and reliability on redundancy as more sensors can be installed.

Is the communication response as reduced as far as 2 ms?

Theoretically, the signal response time could be as low as 2 ms. However, although the system can communicate every 2 ms, it cannot send information every 2 ms. The real communication response will vary depending on the number of remotes connected to one base and the effect of the frequency hopping, as such the system is suitable for an application where the response time is not critical. In short, what it is really important for customers is the reaction time, a time that depends on the number of connected devices and other factors.

What is frequency hopping or FHSS?

FHSS refers to Frequency Hopping Spread Spectrum, and is a communication technology that consists of rapidly changing the frequency used for transmission to another frequency, so as to prevent interferences from other wireless equipment.
When the frequency that is being used is also being used by for example WiFi, or any other radio wave signal, the frequency hops or switches to another frequency. In this case, the frequency is hopping every 2 ms.
Given that the frequency is changing continuously, this communication method is resistant to radio wave interferences due to reflections or noise from other wireless equipment, while ensuring a high level of data security. With this method, a multiple wireless system can be installed in the same area, and it is a suitable technology for point-to-multipoint communication.

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