18
When the battery capacity approaches its lower limit the hand operation will slow down and begin to respond only to OPEN signals.
This occurs to ensure the hand stops in an open position to prevent the hand becoming locked onto an object when the power has been
completely drained from the battery. The battery must be recharged for further use.
Low Power Condition
A bebionic hand uses five actuators and therefore requires a higher current supply than single motor devices. This can be
accommodated safely using bebionic power cables. Other power cable types may not be efficient or safe. However, cables from
other manufacturers may be adequate for signaling application.
Power Cables
An ON/OFF switch is integrated into the charge module.The switch disconnects power
completely, and has two positions. When the switch is positioned closest to the charge
port, power is OFF and the battery can be charged by connecting the lead from the
bebionic charger. When the switch is furthest away from the charge point, power is
switched ON. The battery cannot be charged in this position.
The ON/OFF switch / charge module is fitted to the battery and requires an additional
connector cable to link to the hand.
The connector cable for EQD hands, as shown on page 19, is supplied with each battery.
For short wrist or friction wrist options a different connector cable (13E190=150), as
shown on page 20, will need to be ordered separately and connected to the battery
pack in place of the EQD connector cable.
A small laminating dummy is included in the kit. Prior to lamination this should be
placed in a suitable location and orientation on the forearm model. The position chosen should allow sufficient space between the
inner and outer sockets to allow easy access to the switch and plug point by the user.
Battery Switch / Charging Module
It is NOT recommended to route the power supply to
the hand without passing through the switch.
WARNING
System cables MUST NOT be cut while power is ON.
This will short the battery and damage the system.
Any damage caused in this way will void the bebionic
warranty.
WARNING
The prosthesis MUST NOT be worn whilst the
batteries are charging.
WARNING
When attaching or detaching a bebionic hand to/from a
prosthesis, it is important to first disconnect power by
moving the battery switch to the OFF position.
This is to avoid a potential current surge to the hand
when it connects/disconnects with the power source.
CAUTION
!
4.3 Power Information