Vaisala HMP243 Guide de l'utilisateur Page 17

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HMP240 series
M210300en User's Guide
15
3.4 Electrical connections
V
mA
+ -
CURRENT/VOLTAGE
OUTPUTS
CH1+
CH1-
CH2+
CH2-
24 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 resistor.
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