ABB Symphony Harmony Series Instructions Manual page 97

Procedure
Wiring and Cabling Guidelines
1. Mixing different input voltages is permitted; however, when
using one AC feed and one DC feed, the AC feed must be the
LINE 1 input.
2. When Overvoltage Category III rating is required, use a PEP
with the optional transient surge suppressor/line filters. When
not using suppressors the circuit breakers on the PEP wire
directly to the output terminals. When Overvoltage Category III
is required, take care to keep input wiring separated from the
cables to the power supply trays.
3. No loads other than system components shown in the fig-
ures are to be connected to the input source. Supplemental
loads (lights, convenience outlets, I/O, etc.) must be powered
from a separate power source.
4. Due to the limitations of the faston connectors on the DC
bus bar, allow no more than 15 Amperes per 24 VDC wire con-
nection. Add terminal blocks or IEPDP01 for more connec-
tions.
5. All modules within a cabinet must source their 5 VDC
power from only one power chassis. Only one power chassis
C1
may supply 24 VDC power to the DC bus bar. If using more
than one power chassis to supply 24 VDC power, care must be
taken not to connect the 24 VDC power provided from different
power chassis or damage to the power system may result.
6. Status connections may be daisy chained with the last
power chassis connected to the INFI-NET termination.
PR9 - 6 WBPEEUI210509A0