Delta Modulon DPH series, Руководство пользователя

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4 Communication Interfaces
You can purchase the optional parallel communication card and install it into the parallel
communication card slot. For the slot location, please refer to
Figure 4-12 .
DISPLAY
REPO
NC NO
EXT. BATT
TEMP.
BT1 BT2
EXT.SWITCH
STATUS
S1 S2
S3 S4 BT3 BT4
O/P DRY
CONTACT
USB RS-232
P1 P2 P3
P4 P5 P6
I/P DRY
CONTACT
P1 P2
BATT.
START
BATT.
START
P3 P4 PARALLEL
Parallel Communication Card Slot
(Figure 4-12: Location of Parallel Communication Card Slot)
When there are two parallel communication cards installed in the UPS, the lower one is
named the master parallel communication card (the card is a standard accessory) and
the upper one is called the backup parallel communication card (the card is an optional
accessory). Please refer to
Figure 4-13 for the two cards and their LED indicators’ location.
DISPLAY
REPO
NC NO
EXT. BATT
TEMP.
BT1 BT2
EXT.SWITCH
STATUS
S1 S2
S3 S4 BT3 BT4
O/P DRY
CONTACT
USB RS-232
P1 P2 P3
P4 P5 P6
I/P DRY
CONTACT
P1 P2
BATT.
START
BATT.
START
P3 P4
PARALLEL
PARALLEL
Master Parallel Communication
Card’s LED Indicator
Master Parallel
Communication Card
Backup Parallel Communication
Card’s LED Indicator
Backup Parallel
Communication Card
(Figure 4-13: Location of Master and Backup Parallel Communication Cards and their LED Indicators)
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.
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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 and version can be paralleled. For version
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 5-17 & Figure 5-19 ) to execute
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