HD31
- 47 -
V1.6
4.9
VP473
AND
IP472
MODULES FOR MEASURING DIRECT VOLTAGE AND CURRENT
VP473
SICRAM module measures the direct voltage applied at the input in the range -20 Vdc to
+20 Vdc. The module input impedance is 1 M
Ω
.
If connected to a voltage output transmitter, it can acquire its signal.
Fig. 4.9.1: VP473 module connected to voltage output transmitter
IP472
SICRAM module measures the direct current applied at the input in the range
0…24 mA. The module input impedance is 25
Ω
.
Typical application is the acquisition of the output signal of an active or passive current trans-
mitter, as shown in the figures below:
Fig. 4.9.2: IP472 module connected to transmitter with active current output
Fig. 4.9.3: IP472 module connected to transmitter with passive current output
+Vin
-Vin
Voltage output
transmitter
Shield
+Iin
-Iin
Transmitter with
active current output
Shield (optional)
+Iin
-Iin
Transmitter with
passive current output
Shield (optional)
Power supply
Содержание HD31
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