Blocks for Modbus

The blocks for →Modbus are standard →functions and standard →function blocks provided by logi.CAD 3. Use these blocks for Modbus access.

These blocks are provided in the sub-folder LibModbus of the system library System. The sub-folder is provided in projects that have been created by using a project template.
Do not manipulate the folder and its contents! If you do nevertheless, logi.CAD 3 does not find the library or the blocks any longer.

logi.CAD 3 supports the following →blocks for Modbus:

• MB_Close block

• MB_GetState block

• MB_InitRTU block

• MB_InitTCP block

• MB_ReadBits block

• MB_ReadInputBits block

• MB_ReadInputRegisters block

• MB_ReadRegisters block

• MB_SetDebug block

• MB_SetSlave block

• MB_WriteAndReadRegisters block

• MB_WriteBit block

• MB_WriteBits block

• MB_WriteRegister block

• MB_WriteRegisters block