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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)
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