Users Manual

Operational description
RF-module
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2 General description
2.1 Application
The modules will be used in a radio remote control system.
These systems can be applied in extreme conditions such as:
- Humid / wet environment (IP65)
- Temperature (-40 to +85 ° C)
- Subject to continuous vibrations (build-up on a machine)
- Long distances required (> 1000m free field)
- Indoor (warehouses; a lot of steel and a lot of reflections)
- Emergency stop systems with radio surveillance (out of range protection, redundant UID control)
- Systems are sold in: Europe (ETSI), America (FCC)
(Optional: Canada (IC), Australia, Japan (ARIB))
- At least 5 sets must be able to work side by side without interference
- Control of winches and motors. So a reaction speed of <100mS possible.
2.2 Standards
The module will have to comply with EN300-220 CAT.1 for the ISM bands (433 MHz / 868MHz)
and for the US market the FCC (RP 15,247) in the 915MHz band.
With the usage of defined antenna / antennas the host containing th RF-module will be compliant
to the applicable standards.
2.3 Operation
The module must be able to be bi-directional.
Several hand transmitters will have to be able to communicate bi-directionally with a receiver unit.
In order to give our controller time to formulate a response to a message,
it will be necessary that there is 20mS between the IRQ becoming active and
that a message must be in the module to be returned that same cycle.
Because these are transceivers, this must also be possible the other way around
(multiple receivers on one transmitter).
2.4 Dimensions
The module should be a maximum size of 25.40x23.81mm.
The antenna on the handheld transmitter must become internal.
The receiver unit will will be equiped with an external antenna.