Vaisala Indigo500 Series, User Manual

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Power supply input wiring is required only
for transmitters powered with protective
extra-low voltage (PELV) or AC (mains)
power.
For the M20×1.5 cable gland ordered
together with the transmitter from Vaisala,
the cable diameter is 5.0 … 8.0 mm
(0.20 … 0.31 in). Tightening torque for the
cable gland is 8 Nm.
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
3.3.2 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!
Indigo510, Indigo520 User Guide M212287EN-N
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