Änderungen vorbehalten!
Subject to change without notice!
Blatt/
sheet
PM.7.002883.EN.25
Datum/
date
23.01.2013
Stand/
version
23.01.2013
Geprüft/
approved
WAT/MZE
Overspeed governor EOS
Operating instructions
4.1.4
Operating Modes
The EOS electronics has two operating modes which
can be selected by the switches only (see chapter
4.3.9):
-
Construction time use
-
Normal operation
“Construction time use” is designed for installation
phase of the elevator, when no lift controller can be
connected to the EOS and car is moved by chain
hoist. You only have to connect power supply and
safe operation is assured (with reduced speed limit).
Safety circuit contact of the EOS will not be closed,
UCM function is deactivated.
After the elevator installation is finished, the elec-
tronics must be switched to “normal use”-mode. In
this mode, all functions of the EOS electronics are
activated and must therefore be connected to the
lift control electrics. Especially, the safety circuit
contact of the EOS must cause stand still of the ele-
vator when opened due to safety reasons.
Never operate EOS in “normal use” when
safety circuit contact of the EOS is not able
to stop elevator operation!
Check supply voltage if CHANGE UNIT is on!
4.1.5
Power Supply
Mechanical movement of the governor wheel
requires power supply at least. Without power sup-
ply, mechanical movement is impossible as a matter
of principle.
Never try to make the governor running in
another way than by applying the correct
voltages! Do not manipulate the mechanical
parts!
A back-up battery has to be used for the
EOS governor to enable emergency rescue
without line power. To allow governor
movement the electric power must be avail-
able and the ENM1 and ENM2 signals must
be ON to switch off the UCM function.
It is obligatory to use back-up battery for
EOS!
Make sure that ENM1 and ENM2 signals are
activated or can be activated during emer-
gency rescue in case that the EOS is
equipped with UCM function!
The governor must be supplied with back-up
battery to enable emergency rescue in case
of power blackout. The capacity has to be
designed to cover the time from power fail-
ure until completion of the emergency res-
cue of entrapped passengers.
Check the function of the standby battery
power supply after installation and with
each inspection!
Check periodically that CHANGE UNIT is not
flashing!
