ABB Relion 620 Series - Page 126

Resistor sensor
X110
mA
mA1
mA
mA2
RTD1
+
-
+
-
+
-
+
-
+
-
5
6
7
8
9
10
11
12
13
14
15
16
RTD2
RTD3
...
...
...
Figure 47: Three RTD sensors and two resistance sensors connected according to
the 3-wire connection for 6RTD/2mA card
Resistor sensor
X110
mA
mA1
mA
mA2
RTD1
+
-
+
-
+
-
+
-
+
-
5
6
7
8
9
10
11
12
13
14
15
16
RTD2
RTD3
...
...
...
Figure 48: Three RTD sensors and two resistance sensors connected according to
the 2-wire connection for 6RTD/2mA card
Basic functions
1MRS757644 H
126 620 series
Technical Manual