TST
Assembly instructions
FUF2 / FU3F-A/-C/-F
FEIG ELECTRONIC GmbH
Page 79 of 114
TST_FUxF-A-C-F_Montageanleitung_EN_15
10.3 Pre-limit switch setting
Setting the pre-limit switch can prevent premature or late braking of the door from max. travel
speed to creep speed.
The position of the pre-limit switch is given in increments. The number of increments refers to
the distance between the limit switch and the pre-limit switch.
Creep too long -> reduce pre-limit switch
Creep too short -> increase pre-limit switch
P.222 = Pre-limit switch for limit position Door CLOSE The parameter value specifies the
distance to the absolute limit switch Door CLOSE in increments. The brake ramp "r6" is
initiated with the pre-limit switch. The slope of the ramp is set with parameter P.361 or
P.362.
P.232 = Pre-limit switch for limit position Door OPEN: The parameter value specifies the
distance to the absolute limit switch Door OPEN in increments. The pre-limit switch is
used to initiate the brake ramp "r2". The slope of the ramp is set with parameter P.321 or
P.322.
If the automatic setting of the pre-limit switch is used (P.216 = 2), the parameters P.222
and P.232 are changed automatically.
The parameters are also changed if the travel speed or the slope of a ramp is changed
as this results in a restart of the automatic limit switch correction. If these ramps are
adjusted manually, P.216 must be set to less than 2!
10.4 Ramp configuration
The ramps are used by the door controller to change speed, i.e. to accelerate or decelerate.
The ramps are set in milliseconds (ms) or in Hz per second (speed change per second), i.e. the
steeper the ramp, the higher the braking force or acceleration applied to the door. If the ramp is
flatter the door is braked or accelerated more gently.
P.311 / P.312 = start
ramp „r1“: acceleration of the door from 0 Hz to opening speed.
P.321 / P.322 = brake ramp „r2“: deceleration of the door from opening speed to creep speed
P.351 / P.352 = start ramp „r5“: acceleration of the door from 0 Hz to opening speed.
P.361 / P.362
= break ramp „r2“: deceleration of the door from closing speed to creep speed
P.340 / P.342 = Ramp "r-STOP" for opening: Deceleration of the door from opening speed to
0Hz after pressing a STOP key.
P.380 / P.382 = Ramp "r-STOP" for closing: Deceleration of the door from closing speed to 0Hz
after pressing a STOP key.