ABB RELION 620 Series Technical Manual page 113

1MAC504801-IB E
620 series ANSI
Technical Manual
Resistor sensor
GUID-8DAE1E59-160B-4E90-ABB3-952C84E129D2 V2 EN
Figure 35: Three RTD sensors and two resistance sensors connected according to
the 2-wire connection for 6RTD/2mA card
Sensor
Transducer
GUID-FC23D8FC-E9BF-4B62-B8AA-52B4EDE2FF12 V2 EN
Figure 36: mA wiring connection for 6RTD/2mA card
2RTD/1mA card
This type of card accepts one milliampere input, two inputs from RTD sensors and five
inputs from VTs. The Input 1 is assigned for current measurements, inputs 2 and 3 are for
RTD sensors and inputs 4 to 8 are used for measuring input data from VT.
Section 3
Basic functions
X110
+
mA
5
mA1
-
6
+
mA
7
mA2
-
8
+
9
RTD1
-
10
+
11
RTD2
-
12
+
13
RTD3
-
14
15
16
...
...
...
X110
+
5
Shunt
(44 Ω)
-
6
...
...
...
15
16
...
...
...
107