tau K205M Guía Para La Instalación página 17

TIMER-OPERATED OPENING AND CLOSING CYCLES
The opening/closing of the automation can be controlled by means of a timer that has a free N.O.
output contact (relay). The timer must be connected to terminals 12 - 14 (OPEN/CLOSE button) and
can be programmed so that, at the desired opening time, the relay contact closes until the desired
closing time (when the timer's relay contact opens, enabling the automatic closing of the gate).
Note: the automatic closing function must be enabled by setting Dip-switch no. 1 to ON).
K205M CHARACTERISTICS
LED - DL3
The LED, besides indicating that the power supply is connected, also signals errors with a series
of pre-defined flashes:
steady light: normal operation;
1 flash: buffer battery voltage lower than 11,3 V DC;
Check the mains power supply, charge the battery, replace the battery;
2 flashes: phototest error;
Disable phototest (dip-switch 6 OFF), check operation and connection of photocells;
3 flashes: power failure;
Check the thermal-magnetic circuit breaker (upstream from system), check the fuses;
4 flashes: max current limit exceeded;
Excessive absorption peaks of the gearmotor, check that there are no obstacles throughout the
movement of the bar, check the motor's absorption of current when loadless and applied to the
bar;
5 flashes: absence of encoder signal / no motor signal;
Check wiring, check encoder through TEST-ENCODER (optional);
Check wiring, check that the motor rotates freely when powered directly by battery, check fuse F2;
6 flashes: presence of obstacle after 5 failed attempts to close;
Check that there are no obstacles throughout the movement of the bar and the balance of the
bar;
7 flashes: no memorization procedure has been executed;
Execute memorization procedure.
Multiple errors are signalled by a 2-second pause between signals.
If the encoder is activated 5 consecutive times during the same closing manoeuvre (obstacle
detection), the control unit opens completely. On the next manoeuvre, the control unit will switch
to slow-down mode as it searches for the closing travel limit.
ELECTROMAGNET (18 V DC - max. 3W)
Output for electromagnet to be connected to the end of the rod to hold the barrier closed (van-
dal-resistant device).
With the barrier closed, the electromagnet is constantly powered. Every time a command is
given, the electromagnet is turned off before the motor starts running (approx. 2 sec).
BATTERY CHARGER BOARD (OPTIONAL)
If the system is equipped with a battery charger board, it con operate even during power failures.
If the voltage drops below 11,3 V DC, the automation stops working (the control panel is still
powered). When it drops below 10,2 V DC, the board disconnects the battery completely (the
control panel is no longer powered).
K205M 17