Bailey Infi 90 - Description and Operation

INTRODUCTION
I-E96-506B1 2 - 1
SECTION 2 - DESCRIPTION AND OPERATION
INTRODUCTION
This section uses block diagrams and supportive text to
explain how the main functional blocks of the power system
operate. The first diagram, Figure 2-1, shows overall system
architecture. Figure 2-2 shows power distribution to the
IEPAS02 module. Figures 2-3 and 2-4 show circuit details for
the system power module, and AC transfer and bus monitor
module.
Figure 2-1. Modular Power System Architecture
POWER ENTRY PANEL
120/240 VAC
120/240 VAC
ALARM CONTACT
OUTPUT
INPUT
POWER
BUS BAR
LINE 1 LINE 2
MODULE MOUNTING UNIT
EXTERNAL SUPPLY AND
CUSTOMER STATUS
BUS MONITOR
DETECTION POINTS
AND ALARM
SYSTEM
POWER
BUS BAR
+15 VDC
–15 VDC
+24 VDC
+5 VDC
MODULE ALARM
ANY INFI 90 MODULES
MODULE MOUNTING UNIT
+15 VDC
–15 VDC
+5 VDC
ANY INFI 90 MODULES
TP40011B
FAN
PA F
OR
PA S
+15 VDC
–15 VDC
+24 VDC
+5 VDC
MODULE ALARM
MODULE MOUNTING UNIT
+24 VDC FOR I/O
+24 VDC COMMON
ANY INFI 90 MODULES
PAF
OR
PAS
PAF
OR
PAS
PA F
OR
PA S
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