Wiring
WARNING!
operating the product. If you encounter the following marking during
installation or operation, consult product documentation to find out the nature
of the potential hazards and any actions which have to be taken to avoid them:
WARNING!
• Allen key (4 mm) for opening the transmitter cover
• Open-ended wrenches of sizes 17 mm, 19 mm, 22 mm and 24 mm
• Flat head screwdriver
• Cable glands as required by your application (available from Vaisala)
• Cables as required by your application (probe connection cables and power
cables are available from Vaisala)
Power supply terminals and lead-through − PELV
option
WARNING!
(+176 °F) to the PELV power supply terminal.
+
CH1
RS-485
PROBE
1
+
CH2
24 VOUT
+
ANALOG
CH3
INPUT
+
CH4
Read the product documentation carefully before installing or
Make sure that you prepare and connect only de-energized wires.
Attach only cables with temperature rating of minimum +80 °C
VS
2
M20×1.5
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.
11