Delta Ultron DPM Series, User Manual

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4 Communication Interfaces
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Input Breaker Detection Dry Contacts
If your external maintenance bypass cabinet’s input breaker (Q1) has the auxiliary
switch design, and you connect the auxiliary switch to the Input Breaker Detection Dry
Contacts shown in
Figure 4-19 you can monitor the input breaker’s status. If not, the
default setting of the external maintenance bypass cabinet’s input breaker (Q1) shown
on the LCD is ON.
For how to route the auxiliary switch signal cable (user-supplied), please refer to Figure
4-12 , Figure 4-13 , Figure 4-14 and Figure 4-15 .
GND
VCC
VCC
NO NC COM
The Auxiliary Switch of the
External Maintenance Bypass
Cabinet’s Input Breaker (Q1).
(Figure 4-19: Input Breaker Detection Dry Contacts_ Pins
’
Location and Wiring Diagram)
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Battery Breaker Detection Dry Contacts
If your external battery cabinet’s breaker (Q5) has the auxiliary switch design, and you
connect the auxiliary switch to the Battery Breaker Detection Dry Contacts shown in
Figure 4-20 , you can monitor the status of the external battery cabinet’s breaker (Q5). If
not, the default setting of the external battery cabinet’s breaker (Q5) shown on the LCD
is ON.
For how to route the auxiliary switch signal cable (user-supplied), please refer to Figure
4-12 , Figure 4-13 , Figure 4-14 and Figure 4-15 .