AFNZPxxx– DUALACE2 NEW GENERATION – User Manual Page 63/169
- External agents
The inverter is protected against dust and liquid sprays to a degree of
protection meeting IP65. Nevertheless, it is suggested to carefully study
controller installation and position. With few simple shrewdness, the
controller protection degree can be strongly increased.
- Uncontrolled movements
The main contactor will not close in the following conditions:
- The power unit is not working.
- The logic board does not work perfectly.
- The output voltage of the accelerator is more than 1 V above the
minimum value stored during the calibration procedure.
- Travel-demand microswitches are active.
- Low battery charge
When the battery charge is low, the maximum current is reduced to half of
the maximum current programmed.
- Accidental start-up
A precise sequence of operations is necessary for the machine to start.
Operation cannot begin if these operations are not carried out correctly.
Requests for drive must be made after closing the key switch.
6.6.2 Safety features
ZAPI controllers are designed according to the prEN954-1 specifications for
safety related parts of control system and to UNI EN1175-1 norm. The
safety of the machine is strongly related to installation; length, layout and
screening of electrical connections have to be carefully designed.
ZAPI is always available to cooperate with the customer in order to evaluate
installation and connection solutions. Furthermore, ZAPI is available to
develop new SW or HW solutions to improve the safety of the machine,
according to customer requirements.
Machine manufacturer holds the responsibility for the truck safety features
and related approval.
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