Änderungen vorbehalten!
Subject to change without notice!
Blatt/
sheet
PM.7.002883.EN.51
Datum/
date
23.01.2013
Stand/
version
23.01.2013
Geprüft/
approved
WAT/MZE
Overspeed governor EOS
Operating instructions
Step 2 for elevators without machine room:
Checking of the UCM System (EOS and braking ele-
ment):
If the braking element is the motor brake
or
there is a possibility to open the motor brake
in normal operation mode by powden cable
or electric
step 2 for elevators with
machineroom
is valid. Otherwise proceed
with the following instruction.
Put the elevator in emergency rescue mode. Now
disconnect the signals ENM1 and ENM2 by unplug-
ging the plug X4 from the EOS-electronic interface
at the landing next to the top. By this the signals
ENM1 und ENM2 of the EOS should go inactive. This
can be checked by watching the LEDs ENM1 and
ENM2 on the EOS electronic interface .
Let the elevator ascend with empty car and discon-
nected plug X4 to the top landing by using the bat-
tery mode to open the motor brake.
Because of the disconnected signals, the UCM func-
tion of the EOS remains active, even if the doors are
closed. The EOS interpretes the following movement
of the cabine as an uncontrolled car movement.
After reaching the defined position or speed limits
the EOS should stop the movement by opening the
safety circuit and activating the braking element.
It is not allowed to test if the braking ele-
ment grips by using releveling control or
hand wheel, unless it is mentioned in the
manual of the braking element.
Measure the distance from the landing sill to the
cabin floor. It has to be below a value defined by the
designer of the UCM-system.
The same test has to be done also in down-
ward direction with rated load from the
landing next to the lowest landing.
Note down the brake distance for both direcions and
store it with the lift documentation.
For periodical tests only the upward direction with
empty car has to be tested.
The resulting stopping distances are depend-
ent on the acceleration, the maximum speed
of the elevator and the used braking ele-
ment. Therefore the designer of the UCM-
system has to deliver a diagram or table
where the maximum tolerated braking dis-
tance depending on elevator speed and
acceleration is shown.
After this test connect ENM1 and ENM2 to the EOS
again!
