Legrand ARCHIMOD HE 120 kVA [12/14] Interfaces

12 di 14

! normal operation (on line)

! output frequency not synchronized with the input

! battery operation

! bypass mode

! faulty power module

! overload

! generic fault

! unit beyond redundancy

! programmed power-off warning

! programmed re-powering warning

! runtime reserve

! end of runtime

5.5 Miscellaneous equipment

5.5.1

Interfaces

The UPS is also equipped with:

! terminals for connecting the EPO (Emergency Power Off) button;

! two DB9 female connectors for the RS232 serial interface;

! one DB15 male connector for the logic signal interface;

! one interface with 5 relay outputs contacts to be set NC or NO by operator panel;

! slot for an SNMP interface that allows the UPS diagnostics, remote control via the network

and computer remote shutdown within the battery runtime.

! terminals of contact for external Back Feed protection, to be set NC or NO

5.5.2

E.P.O.(Emergency Power Off)

The UPS is equipped with an input for a normally closed button (NC). Use of this button immediately

stops the whole UPS functions and immediately shuts off the output energy.

5.5.3

RS232 Serial port

The UPS must have two RS232 serial port:

! User Serial Port, placed at the rear of the cabinet

! Service Serial Port, on the front side of the cabinet

The User Serial Port allows to connect the UPS to a Computer and remotely manage the UPS operating

functions by a dedicated software.

The service Serial Port also allows to connect the UPS to a Computer in order to execute service and

maintenance operations as data reading, diagnostic checks, event memory download, firmware update.