9
UMD-SRB01
Version 4
Status
Changed State
to:
d
e
e
p
s
r
e
v
O
s
s
a
p
y
B
n
i
y
e
K
t
e
s
e
R
n
i
y
e
K
t
e
S
t
o
N
)
s
(
e
k
a
r
B
signalled
UMD Sensor
pack not OK
UMD Emergency
stop pressed
UMD Control
Power Lost
Mains power lost
Action for brakes
Deploy Brakes
None unless
excessive
movement
detected
Movement
in excess of
150 mm (can be
increased or
decreased)
detected.
None
None Unless
Overspeed.
Deploy Brakes
None Unless
Doors open. Or
safety circuit cut
or overspeed.
Deploy Brakes
Deploy Brakes
None Unless
movement
500 mm to
1500 mm
detected. Or
overspeed.
Action signals to
lift
Signal Stop Lift
None
Deploy Brakes
None
None
Signal Stop Lift
Signal Alert
Signal Stop Lift
Signal Stop Lift
open
None
Signal Stop Lift
Action Display
Display "Brakes
Dragging"
Display "door open
Monitoring for
movement"
Excessive
Movement
Detected
Display "Key in
Reset position"
Display Bypass
Mode
Display "Over
Speed signal"
Display Warning
Connection to
sensor Lost
Display "Safety
circuit cut"
No display
Display
Action LED
indicators
Illuminate Brakes
Deployed LED
Flash Monitoring
LED
Illuminate
Brakes Deployed
LED
None
Flash Bypass
LED and sound
Buzzer
Illuminate Brakes
Deployed LED
None
Illuminate Brakes
Deployed LED
No LEDs
Extinguish control
voltage LED
Action Manual
Intervention
Wait for engineer
to reset system
and check wiring
and brakes. If all
OK return to run
mode
None required
Investigate
reason. Wait for
engineer to reset
system and
check wiring and
brakes. If all OK
return to run
mode
be returned to
run.
returned to run.
Carry out
maintenance on
lift.
Wait for engineer
to reset system
and check why
lift was
overspeeding. If
all OK return to
run mode
Wait for engineer
to check
connection to
sensor and rectify
problem. If all OK
return to run
mode
Wait for engineer
to reset system
after resetting the
e.stop button. If
all OK return to
run mode
Wait for engineer
to reset system
why power was
lost. If all OK
return to run
mode
None - unless
power is not
resumed after 2-3
hours, then full
reset will be
required as
brakes will have
been deployed.
Action required
by lift
Lift should stop
and not move
until reset.
None required,
other than signal
doors closed or
open
Lift should stop
and not move
until reset.
None required
Run in engineer
test mode when
requested by
engineer.
Otherwise our
alert signal will
request lift is
stopped
Lift should stop
and not move
until reset.
Lift should move
to the nextfloor
and open doors.
Lift should stop
and not move
until reset.
Lift should stop
and not move until
reset.
if doors were open
when the power
went off then
level of movement
will deploy brakes
notes
Ignore door open
signals. Will
deploy brakes on
Over speed
As soon as the
doors open the
brakes will be
deployed
Door(s) Opens
(only operates when both
door circuits are open)
System Status = OK
(Fully Rest, brakes set, doors closed, key in RUN position, safety circuits OK, overspeed governor OK, sensor pack OK, emergency stop OK)
CHANGE IN STATUS OF SYSTEM
Mar 08
Wait for key to be
Wait for key to
after inspecting
in excess of
50 mm to 150 mm
Atwell Uncontrolled Movement Detector and Rope Brake controller – Normal/Run Mode
System Status = OK
(Fully Reset, brakes set, doors closed, key in RUN position, safety circuits OK, overspeed governor OK, sensor pack OK, emergency stop OK)
