Vaisala Indigo500 Serie Guía Rápida página 13

Wiring
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
+
CH1
RS-485
1 PROBE
+
24 VOUT
CH2
+
ANALOG
CH3
INPUT
+
CH4
Table 5 PELV power supply input terminals
Terminal Function
Power supply ground
VS+ Positive supply voltage
VS- Negative supply voltage
Make sure that you prepare and connect only de-energized wires.
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.
Notes
15 ... 35 V DC or 24 V AC ±20 %
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