Quickstart Guide 
ABB PLC and drives integration using Modbus RTU  
 
ModbusRTU‐25‐ PLCanddrivesintegration
CODESYS
Double‐click“AC500”fromtheDevicetreeintheControlBuilderPlusprojecttoopenCODESYS.
CODESYStabs
InCODESYStherearefourdifferenttabsforprogram
ming,configuration,etc.
1.  POUs(ProgramOrganizationUnits):ThistabcontainsyourFunctions,FunctionblocksandPrograms.
2.  Data types: In this tab, along with the standard data types you can define your own use r‐specific data
types.
3.  Visualizations:Inthistabyoucancreateyourownorusepredefinedvisualizationstodisplayyour project
variablesgraphically.InOnlinemode,thesecanthe
nchangetheirform,color,text,position,output,etc.
inresponsetospecifiedvariablevalues.
4.  Resources: In this tab you can configure and organize your project. It includes Glo
bal variables, Library
manager,etc.