Operational description RF-module Restricted Document ID: Author: Date: Version: Status: RF-module Marcel Krisman 20-3-2020 1.0 Approved Authorization Name: Company: Date: Signature: 20-3-2020 ………………………………….. MK ………………………………… Version log Version: Date: Author: 0.
Operational description RF-module Index 1 Introduction ........................................................................................................................................................... 3 2 General description ............................................................................................................................................... 4 2.1 Application ..............................................................................................................
Operational description RF-module 1 Introduction This document describes the operational description of RF-module and it’s operation in the host application. This document is the sole property of Tyro Products B.V. Any reproduction in part or as a whole without the written permission of Tyro Products B.V. and/or the author is prohibited.
Operational description RF-module 2 General description 2.1 Application The modules will be used in a radio remote control system.
Operational description RF-module 3 List of requirements 3.1 General requirements: - Class 1 radio - Compact size (25.40x23.81mm) - A 434 / 868MHz PCB version with mounting variants for 434MHz and 868MHz. - A separate PCB version for 915MHz. - 433MHz and 868MHz must comply with EN300-220 CAT.1 - 915MHz must comply with FCC / IC (Canada) - 5 sets can work side by side without problems.
Operational description RF-module With the chosen topology there is a central master in each set that communicates with multiple slaves. The slaves do not communicate with each other. The master ensures that all modules within a system are synchronized and use the same cycle timing. In a cycle there are several time slots for the master itself and for the different slaves. Time slots are always reserved for the maximum number of slaves (10), even though not many slaves are used.
Operational description RF-module 3.10 Do not send unnecessarily Systems should not transmit unnecessarily when not in use. With hand transmitters, the radio is de-energized when the hand transmitter is not used, so there will be no unnecessary transmission. Receivers, on the other hand, remain on voltage. Slave receivers will not transmit unnecessarily because they only transmit in response to a message from a master, which is not present when the system is not used.
Operational description RF-module 4 RF Topology In general there are two different usecases A) 1-to-10 / 10-to-1 A single module (master) is connected to a maximum of 10 modules (slaves). Each slave has its own time slot in the protocol. This is the standard situation. B) 1-op-X / X-op-1 A single module (master) is connected to more than 10 modules (slaves). Multiple slaves can be set to the same time slot and the master UID is known to all slaves.
Operational description RF-module 5 FCC Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
