ENGLISH
Pag. 32
2.4
Dip switch SD2 settings
The series of SD2 dip-switches is used to set the baud rate of the RS485 bus of the gas con-
trol unit.
Figure 7) Dip switch series for baud rate settings
Dip-switch 1: Baud Rate Bus RS485
Position
Bus communi-
cation speed
Detector and module compatibility
ON
115200
Smart “S” gas detectors; STG/IN8S and STG/OUT16S modules
OFF
9600
Smart “3G” gas detectors; STG/IN8S and STG/OUT16S modules
Dip-switches 2 and 3: RS485 bus communication protocol
SW2
SW3 Protocol
Detector and module compatibility
Notes
ON
ON
Galileo
Smart “S” gas detectors; STG/IN8S
and STG/OUT16S modules
Baud Rate 115200
OFF
ON
Setting not used
ON
OFF Modbus
Smart "3G" gas detectors; STG/IN8S
and STG/OUT16S modules
Baud rate 9600 (if they
are not connected to the
Smart "G" bus detectors,
115200 Bps can be set
(switch 1)
OFF
OFF Setting not used
Dip-switches 4 and 5: Communication (baud rate) with the PC
Sw 4
Sw 5
Baud Rate
ON
ON
9600 Bit/sec.
OFF
ON
19200 Bit/sec.
ON
OFF
38400 Bit/sec.
OFF
OFF
115200 Bit/sec. (default)
