COVER MY SERIES – User Manual
COMEX S.A.
18
-WiseSMS
RS485 +
RelayCard
(Slot 2)
The card is equipped with a 12-pin interface consisting of:
- RS485 connectors
- Three Dry Contact outputs: Mains fault, battery fault and
inverter status (also configurable as bypass status)
- Two Dry Contact inputs: Battery temperature detection
for battery charge voltage compensation via optional
temperature sensor and battery disconnect status (also
configurable as remote UPS On / Off status detection).
RS232/RS485
(Slot 1/2)
The card is equipped with a DB-9 port for communication
via RS232 or RS485 serial protocols.
An additional 2-pin RS485 port is used for communication
with the lithium battery system (optional).
2.7.4.
Modbus RTU / RS485 connector
The RS485 connector enables serial communication with BMS systems via the Modbus RTU
protocol. Signals on the RS485 connector - A (+) and B (-) respectively.
Attention! The RS485 port cannot be used simultaneously with the RS485 card in slot 2.