Vaisala HMP240 User Manual
Page 17
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HMP240 series
M210300en
User's Guide
15
3.4
Electrical connections
V
mA
+
-
CURRENT/VOLTAGE
OUTPUTS
C
H
1
+
C
H
1
-
C
H
2
+
C
H
2
-
2
4
V
+
OPENED COVER OF THE
X2
X1
V
mA
+
-
CH1- and CH2- are connected
together internally
Do not use power supply
ground (-) as output signal
ground
POWER SUPPLY
HMP 243
Figure 3.6
Electrical connections
Power supply
24 VDC
24 VAC (see Chapter 3.4.1)
Output signals
0...20 mA
4...20 mA
0...1 V
0...5 V
0...10 V
Power supply ground (-) is connected to the housing with parallel connection
of 15 nF capacitor and 300 k
Ω
resistor.
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