vds AT 7070, Technical Installation Manual, Page: 6 / 8

SAFETY DEVICES FUNCTION
PHOTOCELL (terminal 2-4)
Occupancy of photocell causes :
Ÿ Opening : no effect
Ÿ
Closing : immediate stop and return to the opening operation.
AMPEROSTOP FUNCTION
Opening :
Ÿ Blocking the movement of the door
Closing :
Block ing and reverse in opening the movement of the door
START COMMAND FUNCTION
A START impluse by button or radio transmitter, with closed door, has the following function:
Ÿ
STEP BY STEP : OPEN → STOP → CLOSE → STOP → OPEN
Ÿ AUTOMATIC: OPEN → STOP → AUTOMATIC CLOSURE O CLOSURE WITH IMPULSE →
STOP → OPEN