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

4.1.8 Parallel Ports

The parallel ports (see Figure 4-12) are used to connect parallel UPSs to increase the
system capacity and redundancy. With the provided parallel cable, up to eight UPS units
with the same capacity, voltage, frequency, version and serial No. can be paralleled. For
version and serial No. information, please refer to 7.11.7 Version & S/N. Please only use
the provided parallel cable to parallel the UPS units. Otherwise, parallel functions will fail.
To enhance parallel reliability, please adopt Daisy Chain method (see Figure 5-14 & Figure
5-16
WARNING:
The provided parallel cable is placed in the accessory package. Using other types
of cables to connect the parallel UPSs may cause parallel failure, malfunctions and
accidents.
DISPLAY
O/P DRY
EXT. BATT EXT.SWITCH
CONTACT
TEMP. STATUS
BT1 BT2 S1 S2 P1
REPO
NC NO
BT3 BT4 S3 S4 P4

4.1.9 SMART Slot

1. You can install the optional Relay I/O card (for dry contact expansion) into the SMART
slot shown in Figure 4-13. For relevant installation and application information, please
contact Delta customer service.
2. If you use the Delta lithium-ion batteries, you must purchase the optional multifunctional
communication card (MFC) and install it in the SMART slot shown in Figure 4-13
to monitor the status and information of the Delta lithium-ion batteries. For relevant
information, please refer to 7.9.6 Battery Status, 7.10.4 Battery & Charging Setting
and 7.10.7 General Setting. If you have any questions, please contact Delta customer
service.
DISPLAY
O/P DRY
EXT. BATT EXT.SWITCH
CONTACT
TEMP. STATUS
BT1 BT2 S1 S2 P1
REPO
NC NO
BT3 BT4 P4
S3 S4
I/P DRY
CONTACT
P2 P3 P1 P2
PARALLEL
P5 P6 P3 P4 PARALLEL
Parallel Ports
(Figure 4-12: Location of Parallel Ports)
I/P DRY
CONTACT
P2 P3 P1 P2
PARALLEL
P5 P6 PARALLEL
P3 P4
(Figure 4-13: SMART Slot Location)
USB RS-232
SMART Slot
USB RS-232
4-11
4 Communication Interfaces
BATT.
START
BATT.
START
BATT.
START
BATT.
START