Section 4 – RADIO REMOTE CONTROL SYSTEM FEATURES Mini-Crawler Crane M A E D A
4-94 9/2020 MC285CB-3
RADIO REMOTE CONTROL
SYSTEM FEATURES
The radio remote control system includes both
transmitter and receiver which facilitate remote
control system of the crane.
This is a wireless radio remote control system; the
Crane can be operated at the most convenient
place away from it within the radio wave range.
Transmitter
The transmitter includes operation levers, a
display, and an Emergency Stop Switch (EMO).
It allows the crane to be operated remotely from
the machine by transmitting wireless crane
operation signals to the receiver mounted on the
machine main unit.
Fig. 4-230
The transmitter sends signals to operate the crane
to the receiver. The transmitter transmits the load
data from the moment limiter of the crane through
the cable, to be displayed on the monitor display
as rated total load, actual load and load factor (bar
chart).
Receiver
The receiver which is installed on the crane is
equipped with control box (1), monitor LED (2),
connector (3), antenna (4), etc.
The receiver receives operation signals from the
transmitter and controls the crane.
Fig. 4-231
Transmitter Accessories
• Waist belt
Waist belt to be worn when using transmitter to
prevent accidental dropping of the unit during
operation.
Fig. 4-232
• Battery charger
This is a charger to charge the battery for the
transmitter.
Fig. 4-233
Functions of Radio Remote
Control System
• The acceleration dial and operation levers
control the crane operation speed continuously
from stand-by, up to maximum speed.
• In addition to handling the crane by transmitter,
manual operation can be performed on the
machine side, depending on the type of
operation required. When the power of the radio
remote control system is turned on, manual
operation cannot be performed.
• ID data necessary for the operation of the
transmitter is built in this radio remote control
system.
If communications are not established when the
power is turned ON or if they are interrupted
(poor reception or beyond reaching distance)
during operation, the “forced zero position”
function is activated to return to the state in
which no operation lever is pressed, to avoid
miss-operation or erroneous activation.
• This radio remote control system detects an
unused frequency automatically.
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