Riello UPS Sentinel Pro (700 - 3000 VA) - Manual (Page 19)

19
C
OMMUNICATION PORTS
On the back of the UPS (see UPS Views), the following communication ports are present:
 RS232 connector
 USB connector
 Expansion slot for additional communication cards
RS232
CONNECTOR
RS232 CONNECTOR
PIN # SIGNAL NOTES
1
Programmable output *:
[default: UPS in lock]
(*) Opto-isolated contact max. +30Vdc / 35mA.
These contacts can be associated with other events using
the software provided
(**) Opto-isolated command +5 - 15Vdc.
These contacts can be associated with other events using
the software provided
For further information about interfacing with the UPS, refer to
the manual provided
2 TXD
3 RXD
4
Programmable input **:
[default: disabled]
5 GND
6
Power supply DC (I
max
= 20mA)
7
Programmable input **:
[default: disabled]
8
Programmable output *:
[default: low battery pre-alarm]
9
Programmable output *:
[default: battery operation]
C OMMUNICATION S LOT
The UPS is equipped with an expansion slot for optional communication
cards (see figure on right) which allows the device to communicate using
the main communication standards.
Some examples:
 Second RS232 and USB port
 Serial duplicator
 Ethernet network card with TCP/IP, HTTP and SNMP protocols
 JBUS / MODBUS protocol converter card
 PROFIBUS protocol converter card
 Card with relay isolated contacts
To check whether further accessories are available, consult the website: www.riello-ups.com