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(2) Dual power feed configuration
This section shows the input power system and PSU locations in the PRIMEQUEST
580A/580/480 containing a Dual Power Feed Option.
a) Input power system diagram
Input
#0
Customer's distribution panel
CB:
Circuit breaker
Note1: If five or more system boards or five or more IO Units are to be mounted,
two sets of the MC-57PSa1x Additional Power Supply Units need to be
prepared.
When this option has not been prepared, a dummy component is mounted in
the relevant slot.
Note2: If dual power feed is used, the MC-57DPa1x Dual Power Feed Option needs
to be prepared.
Note3: Connect the AC cables of this unit to their counterparts on the power
distribution board on a one-to-one basis.
Note4: For information about the circuit breakers on the customer's distribution
panel, see
Figure 2.23 Input power system diagram for the PRIMEQUEST 580A/580/480
and Extended Power Cabinet (dual power feed configuration)
U41631-J-Z816-5-76
Main unit
Additional Power
Supply Unit (Note 1)
ACS
ACS
#0
#1
Input
Input
Input
Input
#1
#2
#3
#4
AC power
supply
(System #0)
(200 VAC) (Note 4)
Section 2.6, "Circuit Breaker Characteristics."
2.3 Power Cable Connections
Dual Power Feed Option (Note 2)
Extended Power Cabinet
Additional Power
Supply Unit (Note 1)
ACS
#2
Input
Input
Input
Input
#10
#11
#12
#13
Customer's distribution panel
(200 VAC) (Note 4)
ACS
#3
Input
#14
AC cable
(Note 3)
AC power
supply
(System #1)
2-29
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