Barrier MHTM
TM
MicroDrive
Parameterising control unit
5815,5001US / Version 02.66
135
10.10.9 Power failure
Operating view
Main menu
Setup
Power failure
Parameters
Description
Power failure
This parameter sets whether the barrier arm opens at power outage or opens
or closes depending on the barrier arm position. The balancing springs must
be set according to the selected option.
See page 82, chapter 8.13.
Options
Unlocked
With this option, the lever system of the closed barrier is unlocked; the
barrier remains closed. The boom can be opened manually.
If the boom angle is less than approx. 30°, the boom will close. If the barrier
arm is above an angle of approx. 35°, the barrier arm opens. The ba-
lancing springs in the lever system must be set accordingly.
Open
In this option, the barrier arm opens at power outage. The barrier arm is
moved to the locked end position with the present residual energy of the
mains unit and completely opened by the balancer springs of the lever
system. The balancing springs must be set correctly and the barrier arm
must not be kept in the closed position by external influence.
If the power fails during closing, the barrier arm may reach the closed
position and lock under certain circumstances. The residual mains adapter
power is not sufficient to open the barrier again.
Locked
For this option, the barrier arm behaviour depends on the barrier arm
position at power outage. When the barrier is closed, it remains closed and
the lever system remains locked. Manual opening of the barrier is not
possible or requires considerable application of force. If the barrier arm is
below an angle of approx. 30°, the barrier arm closes. If the barrier arm is
above an angle of approx. 35°, the barrier arm opens. The balancing
springs in the lever system must be set accordingly.
Factory setting
Unlocked
Table 48: Menu "Power failure"
Summary of Contents for MHTM MicroDrive
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