connection diagrams P20 Fig. 33. Electrical connections of P20 Supply
Fig. 34 Connections of measuring inputs
Output
4 Jumper
PD14
Resistance thermometer in a three-wire system
Resistance thermometer in a two-wire system or resistance measurement
Input
Voltage - 10... 10 V 0... 10 V 0... 5 V -5...5 V
Thermocouple or voltage - 60... 60 mV 0... 60 mV - 150... 150 mV 0... 150 mV
Current - 20... 20 mA 0... 20 mA 4... 20 mA 0...5 mA
P20Z Fig. 35. Electrical connections of P20Z Supply
Fig. 36 Connections of measuring inputs
Output
Wejście Input
Wejście Input Input Direct measurement of voltage
Input Indirect measurement of current by means of a current transformer
Direct measurement of current
Indirect measurement of voltage by means of a voltage transformer
Input
P20H Fig. 37. Electrical connections of P20H - current measurement Supply
Analog output
Supply
Fig. 38. Electrical connections of P20H - voltage measurement Supply Analog output
RS-485
PD14
PD14
Supply
RS-485
PD14
PD14
P17 Fig. 39. Electrical connections of P17 - current measurement Wyjście Output
Wejście Input + -
1
4
1 +
3
+
+
3
I
Wyjście Output
4
+
5
+
U
I
+
5
Voltage 0 .. 10 mV
Input
Output
-
2 3
-
Resistance thermometer in a three-wire system
Wejście Input
V
4
2
U
Thermocouple
1
Wyjście Output
Wejście Input
-
2 5
Fig. 40. Electrical connections of P17 - voltage measurement
+
U
I
Voltage 0 .. 60 mV
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