Table 5 PELV power supply input terminals
Terminal Function Notes
Power supply ground
VS+ Positive supply voltage 15 … 35 V DC or 24 V AC ±20 %
VS- Negative supply voltage
Power supply terminals and lead-through − AC
(mains) power option
Only licensed experts may install electrical components. They
must adhere to local and state legislation and regulations.
WARNING!
Transmitters powered with AC (mains) power must be connected
only to a grounded (earthed) power supply (class I equipment).
WARNING!
Only licensed experts may connect the AC (mains) power
connection to the power supply. A readily accessible disconnect device must
be incorporated in the fixed wiring.
WARNING!
Make sure that you prepare and connect only de-energized wires.WARNING!
Do not modify the unit or use it in ways not described in the
documentation. Improper modification or use may lead to safety hazards,
equipment damage, failure to perform according to specification, decreased
equipment lifetime, or the warranty becoming void.
CAUTION!
Do not use the transmitter in a manner not specified by Vaisala. If
the transmitter is used in an unspecified manner, the protection provided by the
equipment may be impaired.
CAUTION!
Do not replace detachable mains supply cords by inadequately
rated cords.
CAUTION!
12 M212290EN-D
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