Parallel Setting; Dry Contact Setting - Delta Ultron Series User Manual

7.6.5

Parallel Setting

Path: → Parallel Setting
Item
The UPSs in parallel connection must be assigned the same parallel group
ID no. in order to let the outputs of the parallel UPSs be put in parallel
Parallel
connection and let the loads be evenly distributed among the parallel units.
Group ID
If the parallel UPSs have different parallel group ID no., their output signals
might be synchronized but their outputs cannot be connected in parallel.
The UPSs that need to be paralleled must be assigned the same parallel
Parallel
group ID no. and different parallel ID no. in order to let the parallel function
ID
work.
If the parallel UPSs that have the same parallel group ID no. need to share
common batteries, please select 'Enable' for the 'Common Battery' setup
Common
item. Otherwise, the function of battery abnormality detection will fail. For
Battery
more information about common battery, please refer to 5.5 External
Battery Cabinet Connection Warnings.
7.6.6

Dry Contact Setting

Path: → Dry Contact Setting
Input Dry
Contact No.
Input Dry Contact 1
Input Dry Contact 2
Input Dry Contact 3
Input Dry Contact 4
Description
Event Selection
1. None
2. Generator Status
3. Battery Ground Fail
4. External Battery Breaker Detection
5. Charge Off (Positive)
6. Charge Off (Negative)
7. Battery Abnormal Shutdown
8. Input Transformer OTW
9. Output Transformer OTW
10. Battery Fuse Open
131
Type
Set up NO (normally
open) or NC
(normally closed) for
each input dry
contact.