Parallel Ports; Smart Slot - Delta Modulon DPH Series User Manual

If both cards work normally, the master parallel communication card's LED indicator
will illuminate green and the backup parallel communication card's LED indicator will
illuminate yellow.
If one card works normally and the other works abnormally, the normal card's LED
indicator will illuminate green and the abnormal card's LED indicator will illuminate red.
During the initialization process, both cards' LED indicators flash yellow.
4.1.8

Parallel Ports

The parallel ports are used to connect parallel UPSs to increase system capacity and
redundancy. Up to eight UPS units with the same capacity, voltage, frequency and
version can be paralleled. Please daisy-chain the parallel UPSs with the provided
parallel cables only.
5.5.4 Parallel Units Wiring
Please refer to
WARNING:
One parallel cable is provided in each UPS's accessory package. Using non-
Delta parallel cables to parallel the UPSs may cause failure, malfunctions and
accidents.
4.1.9

SMART Slot

1. You can install the optional relay I/O card (for dry contact expansion) into the
SMART slot. For installation and application, please contact Delta customer
service.
2. If you use the Delta lithium-ion batteries, you must install the optional
multifunctional communication card (MFC) into the SMART slot to monitor the
battery status. For settings and information relevant to the Delta lithium-ion
batteries, please refer to
Accessories
. For more information, please contact Delta customer service.
Please use the Ethernet cable*
cable routing is the same as the UPS parallel cable routing (see
Delta UPS DPH 50-200kVA
to route the parallel cables.
Parallel Ports
Figure 4-12: Location of the Parallel Ports
7.6.4 Battery & Charging Setting
to connect the MFC's parallel ports. The Ethernet
1
8. Optional
and
Figure 5-14
).
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