Signals - ABB RELION 620 Series Technical Manual

1MAC504801-IB E
3.11.3
620 series ANSI
Technical Manual
Resistor sensor
GUID-F939E7EE-B932-4002-9D27-1CEA7C595E0B V2 EN
Figure 38: Two RTD and resistance sensors connected according to the 2-wire
connection for RTD/mA card
Sensor
Transducer
GUID-FBB50B49-0EFE-4D1C-AB71-204C3E170C1D V2 EN
Figure 39: mA wiring connection for RTD/mA card

Signals

Table 49: 6RTD/2mA analog input signals
Name Type
ALARM BOOLEAN
WARNING BOOLEAN
AI_VAL1 FLOAT32
AI_VAL2 FLOAT32
Table continues on next page
Basic functions
X130
+
1
-
2
+
3
-
4
5
+
6
-
7
8
Description
General alarm
General warning
mA input, Connectors 5-6, instantaneous value
mA input, Connectors 7-8, instantaneous value
Section 3
mA
mA
RTD1
RTD2
X130
+
1
Shunt
(44 Ω)
-
2
...
...
...
8
109