Toshiba GR200 Series Instruction Manual page 571

STATE 0
CB status: Closed
Settings: Normal
Monitor CB status
CB opens
STATE 1
CB status: Open
Settings: Normal
Run T CLE timer
Monitor CB status
STATE 2
CB status: Open
Settings: Cold Load
Monitor CB status
Figure 2.39-1 State transition diagram for cold load protection
From PROT_COMM
CB-DS_CONDITION
CB_ALLPH_OPEN
CB_ANYPH_CLOSE
STATE CONDITION
STATE 0
STATE 1
STATE 2
STATE 3
[CLP-EN]
+
"ON"
8000001C20
A
8100001C21
OCCLP
B
8200001022
C
[CLP-DOEN]
+
"ON"
CB closes
within
T CLE time
T CLE timer
expires
8000001B60
&
&
TCLP_EN
t
8100001B61
&
&
0 - 10000s
&
8200001B62
&
&
8300001B63
&
&
TCLP_RESET
t 0
&
0 - 10000s
&
1
1
CLP-Test
+
Figure 2.39-2 Scheme logic for cold load protection
T CLR timer
expires
STATE 3
CB closes CB status: Closed
Settings: Cold Load
Run T CLR timer
Monitor CB status
CB opens
Monitor load current I
within
CLR time
Change to
STATE 1
0
Change to
1
STATE 2
Change to
1
STATE 0
Change to
STATE 3
TCLP_DO
t 0
0.00 - 100.00s
CLP-SG
+
- 548 -
6F2S1914 (0.49)
I <ICLDO for
L
T CLDO time
L
1
&
&
&
&
&
Group1
Group2 &
Group3
Group4
&
Group5
Group6
Group7
&
Group8
GRL200 (Soft 033 & 037)
Change to
Setting Group1
Change to
Setting Group2
Change to
Setting Group3
Change to
Setting Group4
Change to
Setting Group5
Change to
Setting Group6
Change to
Setting Group7
Change to
Setting Group8