GIMSON ROBOTICS GR-RX-868A Remote Receiver Moudule Instruction Manual

June 17, 2024
GIMSON ROBOTICS

GR-RX-868A Remote Receiver Module

GR-RX-868A Remote Receiver Moudule

This device provides an nterface to the ZPT-BRS RF receiver from RF Solutions Ltd.
The receiver board may be plugged in to compatible controllers from Gimson Robotics, to allow for remote operation from transmitters including the FOBBER-8T2 and the GR-TX-868A.
The outputs from the control module are based upon a change of a paired remote’s button state. For example, a transmission of ‘button pressed’ can lead to the commanded output (OP1 – OP4) going from LOW> HIGH, whereas a ‘button released’ transmission would cause a HIGH > LOW output transition.GIMSON ROBOTICS GR-RX-868A Remote Receiver
Moudule Pairing Process (also referred to as ‘Learning’ or ‘Programming’)
To pair a compatible remote, briefly press the small white program button (see llustration to the right), the Red LED should lluminate while you press and then when you release (r-ts later) it should flash once to indicate that the receiver is ready to pair to OP1. To program OP2, briefly press again and the LED will flash twice, for OP3 press a third time and wait for 3 flashes, or for OP4 a fourth time and then it should flash 4 times. When you are on the output you wish to program (according to the number of preceding flashes) then simply press the desired button on the remote, which yowish to program, and the Red LED will flash twice to confirm pairing. Repeat this process for each output and button combination until you have paired all that you need to.
See warning below regarding pressing the program button during a power cycle. Receiver Memory
A maximum of 30 pairings (output and remote-button combinations) may be stored, which may be across multiple remotes. For example, this could be 15 remotes each paired to 2 outputs, or 10 remotes each paired to 3 outputs.
To clear (erase) the memory of your receiver module: Press and hold the program button for 10 seconds and then release, once released the Red LED will flash 3 times to confirm the memory has been erased (note that all stored remotes will be erased from the reciever).
Operating Range
This receiver module has been tested, in tandem with the GR-TX-868A and the FOBBER-8T2, for an operating range of at east 80m n open field line-of-sight conditions. The effective operating range can be affected significantly by obstacles, surfaces, atmospheric conditions, and nearby sources of electromagnetic nterference. Large metal objects and surfaces can especially affect the operation range, and so are best avoided. Be aware that operation s possible out of the line of sight, see warnings below. GIMSON ROBOTICS GR-
RX-868A Remote Receiver Moudule - fig 1

Technical Information

Part ID GR-RX-868A
Operating Frequency 869.50 MHz
Supply Input 2V – 3.6V (3.3V nominal). 16mA idle
Output Voltage HIGH = Supply Input, LOW = GND
Maximum Output Load 5mA per output (each of OP1, OP2, OP3, OP4)
RX Sensitivity -121 dBm (TX Power +13 – +15 dBm if ACK enabled)
Operating Temperature -10°C – 50°C

It s critical that all regulations and warnings on this document are adhered to, Gimson Robotics Ltd declines liability for any damages caused by not following these nstructions.
Before using this device, it s compulsory to read and understand these instructions and those of any associated hardware (e.g. remote controls). f any nformation s unclear, please contact us via the details below before use.
  The GR-RX-868A s a general-purpose interface device, without a defined end application. It is important to carefully consider any potential risks from the use of radio controlled inputs in the end application. Bear in mind that out-of-sight operation is possible. Any system should include appropriate failsafes and user warnings based upon the possibility of unexpected operation via the RF interface.
  The module s an unprotected component (does not nclude an enclosure), when in use it must be mounted in a suitable enclosure to provide protection from any water or debris (especially conductive objects) which could damage it.
 DO NOT hold the program button down whilst undergoing a power reset (cycling input power off and on). This would trigger the ‘self-test’ mode of the ZPT module, during which outputs may be HIGH. To escape this mode, another power cycle is necessary.
Declaration of Conformity
Hereby, Gimson Robotics Ltd declares that the radio equipment type defined within this document is n compliance with RoHS Regulations 2012 and the Radio Equipment Regulations 2017. The full text of the declaration of conformity s available at: www.gimsonrobotics.co.uk/rf- details
This s an electrical product, DO NOT discard with normal waste. This product must be disposed of through a licensed WEEE collection point. Gimson Robotic Ltd is a registered producer of WEEE, with Environment Agency registration number WEE/DU4031XA.
If you have any questions, contact support@gimsonrobotics.com, or Unit 31 Filwood Green Business Pk, Bristol, BS4 1 ET

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