FCU 500, FCU 505 · Edition 02.17
100
Parameters
12 .4 .10 Running time selection
Parameter 41
Parameter 41 is only active if parameter 40 = 3 (actua-
tor with RBW function).
Parameter 41 = 0: Off; checking the positions for mini-
mum/maximum capacity. A signal that the positions for
minimum and maximum capacity have been reached
is returned and monitored with a timeout time of max.
255 s. When the position has been reached, the FCU
will initiate the next program step.
Parameter 41 = 1: On; for approaching the positions for
minimum/maximum capacity. The Running time set
using parameter 42 is activated for approaching these
positions. After this time has elapsed, the FCU will initi-
ate the next program step.
Parameter 41 = 2: On; for approaching the position for
maximum capacity. The Running time set using pa-
rameter 42 is activated for approaching the position
for maximum capacity. After this time has elapsed, the
FCU will initiate the next program step. Approaching
the position for minimum capacity is signalled and
monitored.
Parameter 41 = 3: On; for approaching the position for
minimum capacity. No signal is returned that the posi-
tion for minimum capacity has been reached. The Run-
ning time set using parameter 42 is activated for ap-
proaching the position for minimum capacity. After this
time has elapsed, the FCU will initiate the next program
step. Approaching the position for maximum capacity is
signalled and monitored.
12 .4 .11 Running time
Parameter 42
Parameter 42 is only active if parameter 40 = 3 and pa-
rameter 41 = 1, 2 or 3.
This parameter sets the running time of the RBW actua-
tor (0 to 250 s). Feedback for maximum or minimum
capacity position (HI or LO) is not queried.
The actuator can be moved by bus signals or an exter-
nal controller during the controller enable procedure.
There is no timeout active in this case.
In Manual mode, no external controller is enabled dur-
ing the controller enable procedure. The actuator can
be moved to the positions for maximum or minimum
capacity by the user. 3-point step operation is not pos-
sible. No timeout is active when approaching these
positions.
