30
Reference Manual
00809-0100-4130, Rev DC
Installation
January 2019
Installation
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
Note
for causes of other LED flashing rates.
Direct Load
PLC
PNP dc
DPCO relay
NAMUR
8/16 mA
Fault and alarm (2 x SPCO) relays
Fuse
2A(T)
N
L
0V
+V
I
L
<4mA
DPST
(=Fault)
OUT
-
+
PLC
+
I/P
I
L
<100
A
(=Fault)
OUT
-
+
+
I
L
Fuse
1A(T)
R
< 100
A
(=Fault)
NC
NO
C
(=Fault)
+
-
<1.0 mA
(=Fault)
+
< 3.7 mA
(=Fault)
(=No alarm)
NC
NO
C
Alarm Relay
NC
NO
C
(=Fault)
Fault Relay
=Load on
= Load off
Содержание Rosemount 2130
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Страница 2: ...ii Section Title January 2019 Reference Manual 00809 0100 4130 Rev DC ...
Страница 8: ...iv Reference Manual 00809 0100 4130 Rev DC Contents January 2019 Contents ...
Страница 14: ...6 Reference Manual 00809 0100 4130 Rev DC Introduction January 2019 Introduction ...
Страница 76: ...Reference Manual 00809 0100 4130 Rev DC Product Certifications January 2019 68 Product Certifications ...
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