Fault Condition Detected (Self-Check Mode Only) - Emerson Rosemount 2130 Reference Manual

Installation
January 2019
2.7.7

Fault condition detected (self-check mode only)

When a fault condition is detected in the self-check operating mode, the 'heartbeat' LED flashes once
every half a second. The output from the level switch will then be as follows:
Table 2-3. Output When Fault Condition Detected
= Load off
=Load on
Fault and alarm (2 x SPCO) relays
Note
See "LED indication" on page 21
30
Direct Load
<4mA
I
L
Fuse
2A(T)
DPST
N L
0V +V
(=Fault)
DPCO relay
NC C NO
(=Fault)
Alarm Relay
Fault Relay
NC C NO
NC C
(=No alarm)
(=Fault)
PLC
-
OUT
+
<100 A
I
L
+
I/P
PLC
(=Fault)
NAMUR
-
+
<1.0 mA
(=Fault)
NO
for causes of other LED flashing rates.
Reference Manual
00809-0100-4130, Rev DC
PNP dc
-
OUT
+
R
I
L
Fuse
< 100 A
1A(T)
+
(=Fault)
8/16 mA
+
< 3.7 mA
(=Fault)
Installation