NS3000 UPS 60KVA~120KVA User Manual
25
Utility Fail Warning Output Dry Contact Interface
The default function of J10 is the output dry contact interface for utility failure
warning, when the utility fails, the system will send a utility failure warning
information, and provide an auxiliary dry contact signal via the isolation of a
relay. The interface diagram is shown in Fig.3-20, and description is shown in
Table 3.12.
Fig.3-20 utility failure warning dry contact interface diagram
Table 3.12 Utility failure warning dry contact interface description
Port
Name
Function
J10-1
UTILITY_FAIL_NC
Mains failure warning relay(normally closed)
will be open during warning
J10-2
UTILITY_FAIL_NO
Mains failure warning relay (normally open) will
be closed during warning
J10-3
UTILITY_FAIL_GND Common terminal
3.7.2 Communication Interface
RS232
、
RS485 and USB port
：
Provide serial data which can be used for
commissioning and maintenance by authorized engineers or can be used for
networking or integrated monitoring system in the service room.
SNMP: Used on site installation for communication (Optional).
Intelligent card interface
：
Extension dry contact interface (Optional).
Summary of Contents for NS3000 Series
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