Rockwell Automation SB3000 High Pwr SB3000 AC Pwr Modules (RCS) - Manual (Page 68)

B-8 SB3000 Power Modules (RCS)
Figure B.4 – Pre-charge State Diagram
P r e c h a r g e I s O p e n
W a i t T o C l o s e
P c hg I s C l o s e d - R U N
W a i t T o O p e n
C o n t r o l P o w e r O n
( Flt_Chg == F ) &&
( ( Vdc > Vdiode ) ||
( TST & ( Vdc < 5 )))
P c h g _ O u t = T
( Pchg_In == T ) &
( TST & ( Vdc < 5 ))
T i m e d O u t
P c h g _ I n = = F V d c < P L T
P c h g _ I n = = T
Flt_Chg = T
Flt_Chg = T
Disable Gates
Flt_Chg = T
P c h g _ O u t = F
Flt_Chg = T
T i m e d O u t
Flt_Chg = T
P c h g _ I n = = F
Pchg Is Closed - TST
P c h g _ I n = = F
Flt_Chg = T
B R G _ T S T = = F
P c h g _ O u t = F
( Pchg_In == T) &
( Vdc > Vdiode )