Addressable Gas Detection System Manual
Addressable System Manual
10
Issue 2, January 2015
2.1.5)
DIP-Switch setting for bus communication protocol and speed
The series of D2 dip-switches must be set for unit compatibility with various gas
detector versions and IN and OUT modules.
Fig. 2.1.5 RS485 bus communications dip-switch
Dip-switch 1: Baud Rate Bus RS485
Positi
on
Bus communications speed
Detector and Module compatibility
ON
115.200
SMART “S” gas detectors; STG/IN8-S and STG/OUT16-S
modules
OFF
9.600
SMART3G gas detectors; STG/IN8-S and STG/OUT16-S
modules; STG/IN8-N and STG/OUT16-N modules.
Dip-switches 2 and 3: RS485 bus communications protocol
Sw 2
Sw 3
Protocol
Detector and Module compatibility
Notes
ON
ON
Galileo
SMART “S” gas detectors; STG/IN8-S
and STG/OUT16-S modules
Baud Rate 115.200
OFF
ON
IDI
Old SMART IDI, SMART3 CC and CD
detectors. Old STG/IN8 and STG/OUT16
modules. STG/IN8-N and STG/OUT-16
modules
Baud rate 9600
ON
OFF
Modbus
SMART3G gas detectors; STG/IN8-S
and STG/OUT16-S modules
Baud rate 9600
(if SMART “S” detectors
are not connected to the
bus, 115.200 Bps can be
set (switch 1))
OFF
OFF
Setting not used
D2=switches
Vista posteriore scheda centrale
/ Main board back view
