User manual

23
COMMUNICATION 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
Programmable output *:
[default: UPS in lock]
1
2 TXD
(*) Opto-isolated contact max. +30Vdc / 35mA.
These contacts can be associated with other events using
the software provided
3 RXD
5 GND
For further information about interfacing with the UPS, refer to
the manual provided
6 Power supply DC (I
max
= 20mA)
Programmable output *:
[default: low battery pre-alarm]
8
Programmable output *:
[default: battery operation]
9
COMMUNICATION SLOT
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 the availability of other accessories, visit the website www.riello-ups.com.