Installation Instruction
34 Modular UPS 25KVA~900KVA User Manual
J10
UT
I_
F
A
IL
_
N
C
U
T
I_F
A
IL
_N
O
GN
D
Fig.3-24 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).
