Installation and operating manual
G1035.4 – 01/2019
EN-59
13
Limit switch overview
Item Function of the limit switch
Effect
Triggers the
EMERGENCY stop
Installed in models:
_ _ _ _ _ _ _ _ _ _ _ _ _
Limit switches required
1
Load limiting device,
triggering limit: permissible
operating load x 1.25 (no
picture)
Triggers an alarm, prevents lifting when the permissible
load is exceeded, lowering is permitted
No
2
Ultimate lifting limit switch
(example)
Switch off the drive, the hoist stops
Yes
Limit switch (depending on the application, the accessories and the equipment of the hoist)
3
Lifting limit switch (example) Prevents lifting, lowering is permitted
No
4
3 phase monitoring (three-
phase current only) (no
picture)
Monitors the drive direction of rotation; prevents the drive
being switched off, and the interchanging of the direction
of travel 'Up' and 'Down' between the hoist and control unit
Yes
5
Hand crank limit switch (on
hoists with hand crank only)
Prevents the electric drive being switched on when in
manual mode
Yes
6
Slack rope switch (on hoists
with reeler only, winding
monitor) (example)
Prevents the formation of a slack rope on a reeler when
winding the rope; prevents lowering, lifting is permitted
No
7
Lowering limit switch (not
shown)
Prevents lowering, lifting is permitted; must intervene
before the rope limit switch
No
8
Rope limit switch (application-
related required) (example)
Prevents lowering, lifting is permitted
No
9
Limit switch BSO (example)
Prevents lowering, lifting is permitted
No
Содержание tirak L 500 P Series
Страница 12: ...tirak EN 12 G1035 4 01 2019...
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