VMT7000 series
15
© ads-tec GmbH • Heinrich-Hertz-Str. 1 • 72622 Nürtingen • Germany
4.2.1 Release contact (IGN)
The device is capable of being externally started by using an additional signal input. This function is well
known from the automotive industry (switch-on by using an ignition contact). The device is here
continuously supplied with a 24V / 48V DC power supply, and only if the additional signal is present at
the ignition contact, e.g. as a result of turning the ignition key of the forklift, the computer is switched on
or the blocking is released. This function protects the system from unauthorised use. If the device is
installed onboard of vehicles or other mobile and battery driven equipment, the ignition function also
saves energy. This function can be configured by using the
Ignition Key Locking
software tool. For
example, the computer can be shut down in a time-controlled manner if voltage is no longer present at
the ignition contact. Prefabricated supply cables are available from ADS-TEC for using the ignition
function.
Recommendation for use:
Switching the device on or off by using the ON/OFF pushbutton will override
the ignition function. That means, if the device is switched off by using the
Power button, the system is shut down and can be restarted by using the
Power button. However, it can also be restarted by using the ON/OFF function
of the ignition.
ATTENTION
Hazard due to overvoltage
There is an acute risk of irreparable damage if the
permissible threshold is exceeded.
Do not operate on vehicles that exceed the
permissible system voltage.
The following thresholds for system voltage must be observed:
24V DC system voltage
5V DC – 36V DC
48V DC system voltage
5V DC – 60V DC
Recommendation for use:
The ignition function must never be used together with the autostart function!
Recommendation for use:
The functional description of the program
Ignition Key Locking
can be found in the
chapter of the same name.
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