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AKM-868

Description

The presence control module AKM 868 consists of a small remote control in keychain format in an oval housing (size: 55 * 44 * 15 mm) and a repeater. The remote has a button with a dual function: short and long press. This enables two devices (e.g. light and a garage door) to be switched on or off. The special feature of this handset is that it sends approximately every 40 seconds a 'ping'. It consists of a unique ID, which is analyzed by IP Symcon. When the remote control is no longer in reach, after five minutes of a corresponding variable is set to FALSE. Thus, certain scenarios when leaving or entering the apartment can be start. The battery lasts for at least sixteen months - according to current knowledge, even more than a year (pure pinging). The data transfer is done via the 868 MHz frequency band.

Installation

To receive data, on Windows the virtual comport driver from Silicon Labs (CP210x) must be installed and the USB-T 868 radio transceiver must be connected. IP Symcon the 'AKM-868 (Tracker)' must be added. The parent instances (e.g. the gateway) are automatically created.

Configuration

To use the device in IP Symcon, add a new AKM-868 instance (manufacturer: IP Symcon/ ProJet):

  • DeviceID:
    As standard 0 is specified. This means that of all the repeaters data can be received. To specifically select a device, e.g. the 160 can be selected. Jumper assignment (view in the device, antenna above, bottom 2 jumpers pairs): 160: both open
    161: right closed 162: left closed 163: both closed

  • TrackerID:
    The ID is generated from the remote control automatically. It is retained even after a battery change. To change the ID, leave the button pressed while inserting the battery. Mostly the TrackerID: 8191 (Default)

If a 'ping' is received, 'Available' is automatically set to TRUE, and in addition, the time stamp in 'Update' updated. If no 'Ping' signals over a period of more than five minutes (fixed, unchangeable) are received, 'Available' is set to FALSE. Additionally, the key shots are evaluated. (For 'Special' both buttons are pressed simultaneously - old version: with two keys.)

Please note that the key variables remain always to TRUE and only the timestamp changes. __ Despite a new battery, the remote control is not recognized, then assign the new TrackerID (see above) and then learn the Tracker module with "Search" again.__

tree-pj-tracker

Tips & Tricks

  • The receiver sensitivity of the repeater can be set to "HI / LO". This requires that the jumper next to the ATMEL processor be bridged (low receiver sensitivity).
    Is the transmit power is selected (LO), with a second or third repeater, the approximate position of the remote control can be determined. This is of course highly dependent on local circumstances. A distinction - such as Basement, garden or upstairs - should be possible.
  • In order to increase the reach of the remote control significantly, the SMD antenna can be replaced by a wire antenna (Lambda district: 87mm). On request it is available with us.
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