ABB Symphony Harmony Series Instructions Manual page 48

Power Supply Trays
S TAT U S LE D
Figure 2-4. Power Supply Tray
Power Entry Panel (PEP)
WBPEEUI210509A1
Power supply trays slide into the power chassis and are
secured with thumb screws. There are 15 different power
supply trays available. Refer to
the full listing. Power supply trays installed in a power chassis
must be of the same type. Power supply trays can provide
combinations of 5 VDC, 15 VDC, or -15 VDC system operating
voltages, and 24 VDC, 48 VDC, or 125 VDC field power. Each
power supply tray can accept 120 VAC, 240 VAC, or 125 VDC
input power. Input voltages to a redundant pair of power sup-
ply trays may be from different sources and of different volt-
ages. AC inputs have active power factor correction to greater
than 0.95. Sharing circuitry allows the power supply trays to
equally share output current. The power supply tray monitors
its output and internal temperature and displays the status
with an LED. Input power to each power supply tray is pro-
vided by a cord that connects to the PEP. Figure
layout of the power supply tray.
S TAT U S O K
There are twelve available power entry panel parts kits. They
are essentially the same, differing in the number of chassis
that can connect to them, the presence of transient surge sup-
pressors (required for Overvoltage Category III), and the circuit
breakers installed depending on input voltages. Refer to
Nomenclature Nomenclature
Nomenclature Nomenclature
F R O N T V IE W
P O W E R C O R D
Description
in Section 1 for
2-4 shows the
T 04 4 5 8 A
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