Modbus RTU Setup
Setting up a connection to a server (slave device) using the Modbus RTU protocol.
blockType: CFunction
|
Path in the library: |
Description
| To work with the block, install/update the support package RITM blocks. |
The block is used to configure the connection to the server (slave device) using the Modbus RTU protocol.
Parameters
Port name — Port name to configure
+
"/dev/ttyS0" (by default)
Details
The names of the available ports can be obtained in a pop-up window by clicking on the button "Get information about available ports" in the block mask.
Speed — receive-transmit speed
+
9600 (by default) | 19200 | 38400 | 57600 | 115200
Parity bit —
method for determining reception and transmission errors
No (by default) | Even | Odd
Details
-
Even— check for odd; -
Odd— parity check.
Data bits —
Number of receive-transmit
data bits
8 (by default) | 7 | 6 | 5
Stop bits — number of receive-transmit stop bits
+
One (by default) | Two
Server ID — Connection ID for receiving and transmitting blocks
+
0 (by default)
Details
Valid values are from 0 to `15'.
Maximum number of reconnection attempts —
number of reconnection attempts to the server during model initialization
5 (by default)