Modbus RTU Setup
Setting up a connection to a server (slave device) using the Modbus RTU protocol.
blockType: CFunction
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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
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"/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
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9600 (by default) | 19200 | 38400 | 57600 | 115200
Parity bit — method for determining reception and transmission errors
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No (by default) | Even | Odd
Details
-
Even— check for odd; -
Odd— parity check.
Data bits — number of receive-transmit data bits
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8 (by default) | 7 | 6 | 5
Stop bits — number of receive-transmit stop bits
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One (by default) | Two
Server ID — Connection ID for receiving and transmitting blocks
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0 (by default)
Details
Acceptable values: from 0 before 15.
Maximum number of reconnection attempts — number of reconnection attempts to the server during model initialization
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5 (by default)