ADS-TEC VMT7010/7012/7015 - Manual (Page 29)

VMT7010/VMT7012/VMT7015 28
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6 Interfaces
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6.1 24V / 48V DC power supply
The device is available with a 24V DC and a 48V DC power supply.
The supply voltage is fed in via a 4-pin plug. (The figure shows the socket inside the device).
PIN number Signal name
1 PE
2 0V DC
3 IGN
4 24V / 48V DC
Information:
The power supply can be protected with a slow-blow fuse of up to 4A.
Information:
Detailed information on the device can be found in chapter "Technical
details".
Information:
The power supply is realized by means of a transformer. The primary side of the
transformer, which is connected to mains, is electrically insulated from the
secondary side of the transformer, which provides the internal power supply.
Functional EMC protection is provided only if the PE-pin of the power supply plug
is connected to earth.
When mounting on mobile vehicles, a functional earth must be established for this
purpose.