SfAR-S-6TI User Manual
www.ismacontrolli.com
DMP272en | 3rd Issue rev. 2 | 05/2022
page 11 of 26
•
Addr
SW1
SW2
SW3
SW4
SW5
31
ON
ON
ON
ON
ON
Table 3. Setting module address in RS485 Modbus network
4.4 Types of Modbus Functions
There are 4 types of Modbus functions supported by the SfAR modules:
Type
Beginning Address
Variable
Access
Modbus Command
1
00001
Digital Outputs
Bit
Read/write
1, 5, 15
2
10001
Digital Inputs
Bit
Read
2
3
30001
Input Registers
Registered
Read
3
4
40001
Output Registers
Registered
Read/write
4, 6, 16
Table 4. Types of Modbus functions supported by the module
4.5 Communication Setting
The data stored in the module's memory is given in the 16-bit registers. The access to
registers is via Modbus RTU or Modbus ASCII.
4.5.1 Default Settings
Baud Rate
19200
Parity
No
Data Bits
8
Stop Bits
1
Reply Delay [ms]
0
Modbus Type
RTU
Table 5. Default settings
4.6 Restore Default Configuration
To restore the default configuration, follow the steps below:
turn the power off;
