
- 25 -
perimeter wire from the red and black cable in the base (B). If even
in this case the impedance is too high, it means that the perimeter is
really interrupted. Otherwise the interruption is under the base.
Approximately the impedance should be as here below indicated:
200 mt cable 2.8 ohm
400 mt cable 5.6 ohm
600 mt cable 8.4 ohm
If the values are much higher, it means that the junctions are not well
connected.
Try then to put a tester top on the ground and the other in contact with both
the perimeter wires. The value shown should be higher than 850K ohm, if not
it means that the junction are not well insulated from the ground.
Research of the perimeter wire
interruption with the interruption detector.
This device allows you to find the rupture of the sinusoidal perimeter wire
8Khz A channel.
During the first turn-on, the robot could switch on and remain switched on
even far away from the perimeter wire. Should that be the case, release the
button and press it again.
Operations to follow:
-
Switch the charger on and connect the base to the transmitter
-
Disconnect in the base the cable end passing under the recharging
base (red connector)
-
Press the button following the perimeter in clockwise direction (cable
still connected)
-
The interruption detector aerial should be located close to the wire
(1CM)
-
If the perimeter wire is buried, it is necessary to unbury it. This
operation must be made every 10 mts.
-
Once the interruption detector switches on, it means it receives the
signal, so the perimeter is surely connected up to this point
-
Should the detector not switch on, the problem is certainly between
the point where it previously worked and the point where you are now
-
To be sure, repeat the last two steps
-
ATTENTION !!!!.
In case the interruption detector gives out a continuous
beep during the whole perimeter cable, it means that the interruption is not
neat. Should that be the case, you must insert in the ground the cable that you
have removed from the connector in the base. With this operation, the weak
signal arriving in the damaged part, goes down in the ground and should not
activate the beep in the detector.
Once you find the interruption, the perimeter wire must be correctly
connected once again. It is recommended to use the 3M Scotch 23 tape for
the junctions.