Gtec NOVA 10kVA - Communication Interface

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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 Figure 2-28, and the
description is shown in Table 2-13.
Figure 2-28 Utility failure warning dry contact interface diagram
Table 2-13
Port
Name
Function
J10-1
UTILITY_FAIL_NC
Mains failure warning relay NC (normally closed) will
be open during warning
J10-2
UTILITY_FAIL_NO
Mains failure warning relay NO (normally open) will
be closed during warning
J10-3
UTILITY_FAIL_GND
Common terminal
2.7.2 Communication Interface
RS232, RS485 and USB ports can 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 is used on site for communication (Optional).