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STATE 0
CB status: Closed
Settings Group: Normal
Monitor CB status
CB opens
STATE 1
CB status: Open
Settings Group: Normal
Run T CLE timer
Monitor CB status
STATE 2
CB status: Open
Settings Group: Cold Load
Monitor CB status
Figure 2.1.62
499
STATE 0
500
STATE 1
501
STATE 2
502
STATE 3
[CLEN]
+
1
"OFF"
2304
CB N/O CONT
CB N/C CONT
1
2305
32, 1724
A
≥1
33, 1725
ICLDO
B
34, 1726
C
[CLDOEN]
+
"ON"
Figure 2.1.63
CB closes
within
T CLE time
T CLE timer
expires
CB closes
CB opens within
CLR time
State Transition Diagram for Cold Load Protection
≥1
1
1
Scheme Logic for Cold Load Protection
⎯
⎯
70
I
<ICLDO for
L
T CLDO time
T CLR timer
expires
STATE 3
CB status: Closed
Settings Group: Cold Load
Run T CLR timer
Monitor CB status
Monitor load current I
&
TCLE
t
0
&
0.0 - 10000.0s
&
&
&
TCLR
0
t
&
0.0 - 10000.0s
503
CB CLOSE
504
CB OPEN
TCLDO
t
0
&
0.00 - 100.00s
6 F 2 S 0 8 4 2
L
Change to
STATE 1
Change to
≥1
STATE 2
Change to
≥1
STATE 0
Change to
STATE 3
"S0"
[CLPTST]
+
"S3"
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