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  2. Foundation Fieldbus H1 - Wikipedia

    en.wikipedia.org/wiki/Foundation_Fieldbus_H1

    The controller requires only one communication point to communicate with up to 32 nodes, this is a significant improvement over the standard 4–20 mA communication method, which requires a separate connection point for each communication device on the controller system. The Foundation Fieldbus H1 has support for Intrinsically Safe Wiring ...

  3. List of RF connector types - Wikipedia

    en.wikipedia.org/wiki/List_of_RF_connector_types

    4.1-9.5 connector, standardized as DIN 47231 (in 1974) and IEC 60169-11 (in 1977) 4.3-10 connector, formerly known as DIN 4.3/10, now standardized as IEC 61169-54; Belling-Lee connector, also called IEC 61169-2 connector, used throughout Europe and Australia, as well as parts of South-East Asia, for domestic television and FM radio antenna cabling

  4. Foundation Fieldbus - Wikipedia

    en.wikipedia.org/wiki/FOUNDATION_fieldbus

    Foundation Fieldbus (styled Foundation Fieldbus) is an all-digital, serial, two-way communications system that serves as the base-level network in a plant or factory automation environment. It is an open architecture , developed and administered by FieldComm Group.

  5. List of DIN standards - Wikipedia

    en.wikipedia.org/wiki/List_of_DIN_standards

    DIN stands for "Deutsches Institut für Normung", meaning "German institute for standardization". DIN standards that begin with "DIN V" (" Vornorm ", meaning "pre-standard") are the result of standardization work, but because of certain reservations on the content or because of the divergent compared to a standard installation procedure of DIN ...

  6. Signal strength and readability report - Wikipedia

    en.wikipedia.org/wiki/Signal_strength_and...

    A signal strength and readability report is a standardized format for reporting the strength of the radio signal and the readability (quality) of the radiotelephone (voice) or radiotelegraph (Morse code) signal transmitted by another station as received at the reporting station's location and by their radio station equipment. These report ...

  7. List of amateur radio modes - Wikipedia

    en.wikipedia.org/wiki/List_of_amateur_radio_modes

    Morse code is called the original digital mode. Radio telegraphy, designed for machine-to-machine communication is the direct on / off keying of a continuous wave carrier by Morse code symbols, often called amplitude-shift keying or ASK, may be considered to be an amplitude modulated mode of communications, and is rightfully considered the first digital data mode.

  8. List of telephony terminology - Wikipedia

    en.wikipedia.org/wiki/List_of_telephony_terminology

    Call originator - (or calling party, caller or A-party) a person or device that initiates a telephone call by dialling a telephone number.; Call waiting - a system that notifies a caller of another incoming telephone call by sounding a sound in the earpiece.

  9. Fieldbus - Wikipedia

    en.wikipedia.org/wiki/Fieldbus

    This would be the equivalent of the currently used 4–20 mA communication scheme which requires that each device have its own communication point at the controller level, while the fieldbus is the equivalent of the current LAN-type connections, which require only one communication point at the controller level and allow multiple (hundreds) of ...