Vaisala Indigo300, Quick Manual

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Terminal Function Notes
24 V - Negative supply voltage
15 … 30 V DC
1)
or 24 V AC ±10 %
50/60 Hz
24 V + Positive supply voltage
1) When used with the HMP7 probe, the minimum required power supply input is 18 V DC.
Analog output terminals
Table 4 Analog output terminals
Terminal Function Notes
CH - Analog output channel 1 -
Max. wire size: 1.5 mm
2
(16 AWG), solid
wires or ferrules recommended
CH + Analog output channel 1 +
CH - Analog output channel 2 -
CH + Analog output channel 2 +
CH - Analog output channel 3 -
CH + Analog output channel 3 +
Wiring options
Do not energize the power supply before the wiring has been
connected.
CAUTION!
The transmitter wiring options include a lead-through at the backside and lead-throughs on
the bottom.
ANALOG
OUTPUTS
-
+
-
+
-
+
CH1
CH2
CH3
+
–
24V
8 Nm
6 Nm
1
2
3
PROBE
–
+
–
RS-485
24 Vout
RS-485
24 Vout
+
Figure 7 Indigo300 wiring options and
cable diameters
1 Wiring from the back
• Cable diameter: 5 … 10 mm
(0.20 … 0.39 in)
2 Wiring through a M20×1.5 gland or
conduit fitting NPT 1/2"
• Cable diameter for M20 gland:
7 … 13 mm (0.26 … 0.51 in)
3 Wiring through a M16×1.5 gland or
conduit fitting NPT 1/2"
• Cable diameter for M16 gland:
2 … 6 mm (0.08 … 0.24 in)
14 M212848EN-B