Modular UPS 25KVA~900KVA User Manual 33
Installation Instruction
Table3.10 Battery warning dry contact interface description
Port
Name
Function
J8-1 BAT_LOW_ALARM_NC
Battery warning relay (normally closed) will be
open during warning
J8-2 BAT_LOW_ALARM_NO
Battery warning relay (normally open) will be
closed during warning
J8-3 BAT_LOW_ALARM_GND Common terminal
General Alarm Output Dry Contact Interface
The default function of J9 is the general alarm output dry contact interface. When one
or more warnings are triggered, an auxiliary dry contact signal will be active via the
isolation of a relay. The interface diagram is shown in Fig.3-23, and description is
shown in Table 3.11.
J9
AL
AR
M
_
N
C
AL
AR
M
_
N
O
GN
D
Fig.3-23 Integrated warning dry contact interface diagram
Table3.11 General alarm dry contact interface description
Port
Name
Function
J9-1 GENERAL_ALARM_NC
Integrated warning relay (normally closed) will be
open during warning
J9-2 GENERAL_ALARM_NO
Integrated warning relay (normally open) will be
closed during warning
J9-3 GENERAL_ALARM_GND Common terminal
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.3-24, and description is shown in Table 3.12.
