6 F 2 T 0 1 7 2
STATE 0
CB status: Closed
Settings: Normal
Monitor CB status
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
STATE 3
CB status: Closed
Settings: Cold Load
Run T CLR timer
Monitor CB status
Monitor load current I
L
CB opens
CB closes
within
T CLE time
T CLE timer
expires
CB closes
CB opens
within
CLR time
T CLR timer
expires
I
L
<ICLDO
for
T CLDO time
Figure 2.9.3 State Transition Diagram for Cold Load Protection
≥
1
≥
1
Change to
STATE 2
CB OPEN
0 - 10000s
&
&
&
TCLE
t
0
&
Change to
STATE 0
STATE 2
&
STATE 3
t
0
0 - 10000s
0.00 - 100.00s
TCLDO
TCLR
t
0
Change to
STATE 3
STATE 0
Change to
STATE 1
CB CLOSE
1
"ON"
[CLDOEN]
+
≥
1
C
B
A
ICLDO
STATE 1
&
&
85
86
87
147
146
148
149
Figure 2.9.4 Scheme Logic for Cold Load Protection
48
Summary of Contents for GRE110
Page 183: ...6 F 2 T 0 1 7 2 Appendix B Signal List 184 ...
Page 191: ...6 F 2 T 0 1 7 2 Appendix C Event Record Items 192 ...
Page 196: ...6 F 2 T 0 1 7 2 Appendix D Binary Output Default Setting List 197 ...
Page 199: ...6 F 2 T 0 1 7 2 Appendix E Relay Menu Tree 200 ...
Page 210: ...6 F 2 T 0 1 7 2 Appendix F Case Outline 211 ...
Page 211: ...6 F 2 T 0 1 7 2 Case Outline for model 400 401 420 421 820 and 821 212 ...
Page 212: ...6 F 2 T 0 1 7 2 Case Outline for model 402 and 422 213 ...
Page 213: ...6 F 2 T 0 1 7 2 Appendix G Typical External Connection 214 ...
Page 245: ...6 F 2 T 0 1 7 2 Appendix J Return Repair Form 246 ...
Page 249: ...6 F 2 T 0 1 7 2 Customer Name Company Name Address Telephone No Facsimile No Signature 250 ...
Page 250: ...6 F 2 T 0 1 7 2 Appendix K Technical Data 251 ...
Page 256: ...6 F 2 T 0 1 7 2 Appendix L Symbols Used in Scheme Logic 257 ...
Page 259: ...6 F 2 T 0 1 7 2 Appendix M Modbus Interoperability 260 ...
Page 289: ...6 F 2 T 0 1 7 2 Appendix N IEC60870 5 103 Interoperability 290 ...
Page 296: ...6 F 2 T 0 1 7 2 Appendix O PLC Default setting 297 ...
Page 298: ...6 F 2 T 0 1 7 2 Appendix P Inverse Time Characteristics 299 ...
Page 304: ...6 F 2 T 0 1 7 2 Appendix Q IEC61850 Interoperability 305 ...