
45
8026957/AE00/V1-0/2021-08| SICK
O P E R A T I N G I N S T R U C T I O N S | DUSTHUNTER SB30
Subject to change without notice
START-UP AND PARAMETER SETTINGS
4
4.2.9
Setting Modbus
®
parameters
▸
Switch to “Modbus” in the project directory Parameterization and set the desired
parameters.
The exact specifications for using Modbus
®
in DHSB30 are described in document:
“8026958_AE00_TI_DUSTHUNTER_SP30_SB30M_Modbus_en_V1-0_2021-04.pdf“. This
document can be found on the Product CD or at sick.de.
Entry field
Parameter
Explanation
Protocol
RTU
ASCI
Modbus
®
Remote Terminal Unit (binary)
Modbus
®
ASCII
When switching from RTU <--> ASCII, the selection of data, parity
and stop bit must be deliberately reset!
Byte order
ABCD -> ABCD
ABCD -> CDBA
ABCD -> BADC
ABCD -> DABC
Setting of the byte order for transmission of real and integer
numbers (32bit) via 2 registers.
Example: Numerical value 123456789 (decimal) = 0x075bcd15
See example under Table.
Bus address
1 … 247
Address range
Baudrate
9600
19200
38400
57600
Adjustable bus speed
Byte
7e1
7o1
7n2
8n1
Interface setting for: Data bits/parity/stop bits