Mpsiii System Architecture - ABB Symphony Harmony Series Instructions Manual

Description
4 8 V D C
L IN E 1
O R
1 25 V D C
F O R I/O
C IR C U IT
B R E A K E R /S W IT C H
A N D LIN E FILT E R IN G
P OW E R E N T RY PA N E L
AC /D C
IN P U T
P OW E R
P OW E R S U P P LY
T R AY
M O D U LE M O U N T IN G U N IT
M O D U LE M O U N T IN G U N IT
Figure 2-1. MPSIII System Architecture
output terminal connection. Cables connect the power termi-
nals for 5 VDC, ±15 VDC, and 24 VDC to the power bus bar for
distribution to the cabinet. The 48 VDC and 125 VDC termi-
nals are for field I/O devices. Power supply trays can be
removed from the power chassis and replaced while the system
2 - 2
IN P U T P OW E R
12 0 /2 40 VAC
1 2 5 V D C
2 N R E D U N DA N T
L IN E S. L IN E 1
L IN E 2
IS IS O L AT E D
FR O M LIN E 2
C IR C U IT
B R E A K E R /S W ITC H
A N D L IN E F ILTE R IN G
P OW E R S U P P LY
T R AY
P OW E R C H A S S IS
S TATU S
P O W E R A N D
S TAT U S
FA N A S S E M B LY
M O D U L E S
M O D U L E S
2 5 .5 V D C F O R I/O
I/O C O M
AC /D C
IN P U T
P OW E R
+ 5 V D C
+ 1 5 V D C
–1 5 V D C + 1 5 V D C
BU S
– 1 5 V D C
M O N ITO R IN G
5 V D C
M C O M
A S S E M B LY
P FI
2 5.5 V D C
M C O M
I/O C O M
N O D E S TATU S
TO IN FI-N E T
T E R M IN AT IO N
D O O R
FA N
(O P TIO N A L )
2 5 .5 V D C
I/O C O M
5 V D C
S Y S TE M
+ 1 5 V D C
P O W E R
– 1 5 V D C
B U S B A R
M C O M
P FI
5 V D C
+ 1 5 V D C
–1 5 V D C
M C O M
P F I
T044 78A
WBPEEUI210509A1