SENSITRON
A Halma Company
MT4984
MU+ PK-32
Manual (EN)
P. 42/14
Figure 7
Main board power supply connection - RACK version
Table 3
SD2 dip switchsettings
2.6
DIP SWITCH SETTING FOR THE RS485 LOOPS, PC COMMUNICATION AND CONTROL PANEL LANGUAGE
The series of SD2 dip-switches must be set for:
-
Communication (baud rate and protocol) for unit compatibility with
various gas detector versions and IN / OUT modules.
-
Communication (baud rate) of the RS232 serial port for the communi-
cation with the PC.
The SD3 dip switch series is for set the language text of the control panel display.
The dip switch state is acquired at the control panel switch ON.
Dip-switch 1: Baud Rate Bus RS485
Position
Bus communication speed
ON
115200
OFF
9600
Dip-switch 2 and 3: RS485 bus communication protocol
SW2
SW3
Protocol
ON
ON
Galileo
ON
OFF
Modbus
OFF
ON
Not used
OFF
OFF
Not used
Dip-switch 4 and 5: Communication (baud rate) with the PC
SW4
SW5
Baud Rate
ON
ON
9600 Bit/s
OFF
ON
19200 Bit/s
ON
OFF
38400 Bit/s
OFF
OFF
115200 Bit/s(default)
Dip-switch 6 and 7: not used
Control panel main board
RACK power supply
F2
F1
V+ (24Vdc)
+
-
GND
V+ (24Vdc)
V+ (24Vdc)
GND
+ -
