Daktronics Hoist Operation and Maintenance Manual - Manual (Page 6)

3 Motorized Batten Hoists
2.
3. Control of the hoist is possible from the S Series controller or handheld
pendant controller, as well as the wireless controller, provided a clear line
of sight is available to the user during operation.
4. The hoist remote power panel contains the main system disconnect, master
control contactor, control voltage power supply and control buttons.
5. Please see the Controls Operating portion of this manual for the operating
procedures.
Warning:
If it is necessary to operate a hoist from a location
where the operator’s view of the moving load is
obstructed, a second person must be used to observe
the load and communicate to the operator.
The hoist unit is mounted on structural steel, (refer to your project installation
drawings for exact placement of the hoist units). The gear motor, helically
grooved cable drum, support bearing and frame structure are all factory
assembled and tested. On the hoist assembly is one set of hard struck limit
switches. These limits are the upper ultimate limit and lower ultimate limit. These
limit switches are adjusted by factory-trained personnel at the factory test and
are fine tuned on site by the installer during installation and commissioning
of the system. There is also one set of over travel limits. The hoist assembly is
also equipped with a secondary brake, a unique safety feature provided by
Daktronics. This greatly reduces any possibility of a loaded batten to descend
uncontrolled.
1. The hoist power panel is located remotely at the time of installation. Encased
inside are the VFD, electrical terminations, and the main disconnect for the hoist
system. This is where high voltage is inputted into the system, and the hoist and
remote control station are fed High and Low voltage from this power panel
assembly.
This S Series Hoist System consists of three basic parts:
1. The S Series controller - where the operator controls the system.
2. The Hoist Remote Power Panel - connects the controls to the
hoists themselves.
3. The hoist unit - electrical and mechanical rigging equipment.