The following illustration shows the electrical connection between the UPS and
the external battery cabinet.
Figure 21: Battery cabinet and UPS connections
For the connection mentioned above you can use the cables supplied in the
The UPS is provided with serial interfaces for the external communication of
the operating status and parameters.
RS232/USB: is used for connection to the proprietary programming and
MODBUS (OPTIONAL): is used for the transmission of data to the outside
via MODBUS protocol (RS485) with terminals.
PARALLEL (OPTIONAL): is used for communication between paralleled
SNMP (OPTIONAL): is used for the external transmission of data via LAN.
NORMAL/BYPASS SELECTOR: switch the load on bypass.
INPUT SERVICE: is used only for maintenance