Riello UPS MultiCOM 301/302 - Manuale (Pagina 26)

- ENGLISH -
- 26 -
C OMMUNICATION PORT SERIAL 1
The SERIAL 1 port offers an RS-232 serial line through which the UPS can be monitored using the
following proprietary protocol:
Protocol Baud Rate [bps] Parity Stop bit
GPSER 1200 No Parity 1
C OMMUNICATION PORT SERIAL 2
The SERIAL 2 port offers an RS-485 Half-Duplex serial line or an RS-232 serial line through which
the UPS can be monitored using the following protocols:
Protocol GPSER MODBUS / JBUS RTU (2)
Baud Rate [bps] 1200 2400 4800 9600 (2) 19200 38400 57600
Parity No Parity
(2)
Even Odd
Stop bit 1 (2) 2
(2) The values in bold type indicate the default configuration.
Where it is the GPSER protocol that is used on the SERIAL 2 port:
 In RS-232 configuration, the device address must obligatorily be set to zero.
 In RS-485 configuration, the device address must NOT be set to zero (see slave address
configuration).