Manual

B-8
SB3000 Power Modules (RCS)
Figure B.4 – Pre-charge State Diagram
Prechar
g
e Is Open
Wait To Close
Pch
g
Is Closed - RUN
Wait To Open
Control Power On
(
Flt_Ch
g
== F
)
&&
(
(
Vdc > Vdiode
)
||
(
TST &
(
Vdc < 5
)))
Pch
g
_Out = T
(
Pch
g
_In == T
)
&
(
TST &
(
Vdc < 5
))
Timed Out
Pch
g
_In == F Vdc < PLT
Pch
g
_In == T
Flt_Ch
g
= T
Flt_Ch
g
= T
Disable Gates
Flt_Ch
g
= T
Pch
g
_Out = F
Flt_Ch
g
= T
Timed Out
Flt_Ch
g
= T
Pch
g
_In == F
Pch
g
Is Closed - TST
Pch
g
_In == F
Flt_Ch
g
= T
BRG_TST == F
Pch
g
_Out = F
(
Pch
g
_In == T
)
&
(
Vdc > Vdiode
)