The acoustic warning device is on the rear side (see figure on page 4‑1) (3)
in the cover.
4.3 Protection Ring
The cover (2) of the Juno 100 has a collision detector that stops the vehicle
immediately when the vehicle hits an object that is at least 70 cm (27.5 in)
above floor level. The reaction of the Juno 100 depends on the object type.
• If the vehicle hits a solid object (for instance a tractor), the Juno 100
drives back until there is no contact with the obstacle. After 2 seconds the
vehicle tries to continue its route. If it hits the object again, it drives back
again (until there is no contact), stops and generates an alarm message.
• If the vehicle hits an object that is not solid, or if a cow bites the ring, the
vehicle waits 2 seconds and tries to continue its route. If the collision
detector is activated 4 more times (within 50 cm (19.6 in)), the vehicle
stops and generates an alarm message.
The cover also has a conducting ring installed (option) that gives an electric
shock when touched.
4.4 Hardware Safety Protection
All safety devices are controlled by software and hardware. If the software
fails, the hardware takes over.
4.5 Software Controlled Charging System
The operational software of the Juno 100 controls the charge system. This
allows to keep the vehicle connected to the charging station when it is not
moving, even if the battery is fully charged. The software prevents
overcharging the battery and keeps it fully charged until the next operation.
4.6 Fuse
The ADS 3840 PCB has a one-time-use fuse that breaks the circuit in the
event of a power malfunction or an electrical short-circuit.
4.7 Overload Protection
The drive motors are protected against overload. If the current is high for a
long time the overload protection operates and stops the Juno 100 to
prevent overheating. An alarm message is also generated.
4.8
Battery
The battery is filled with gel and is completely sealed to protect it against
leakage.
4-2
Safety Devices
F-A102.1401EN
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