Delta DPS-400K User Manual page 42

P2: REPO
This dry contact provides you with a quick and convenient interface to safely shut down
the UPS when an emergency occurs. Connect this dry contact to a user-supplied switch
and you can remotely shut down the UPS. The REPO dry contact is normally open in
normal circumstances.
P3: External Breaker Status Detection
The P3 dry contacts detect the status of the external manual bypass breaker and
external input breaker. In normal circumstances, the P3 dry contacts are normally
open.
Manual Bypass Breaker
P4: External Battery Cabinet Status Detection
You can use an appropriate cable to connect the UPS's P4 dry contacts and one
external battery cabinet to obtain the external battery cabinet's status. Please contact
service personnel for cable information.
P5~P8: External Battery Cabinet Temperature Detection
You can purchase a battery cabinet temperature sensor cable (optional) to connect the
UPS's dry contacts (P5, P6, P7 or P8) and one external battery cabinet to detect the
battery cabinet's temperature. You can use at maximum four temperature sensor cables
to connect the UPS and four external battery cabinets.
Ultron DPS Series
2
1
UPS
4
3
2
Input Breaker
1
UPS
12V
(Figure 4-3: Dry Contacts for REPO)
12V 12V
(Figure 4-4: Dry Contacts for External Breakers)
4-4
1 4
2 3
1 4
2 3
1
4
2
3