Quickstart Guide
ABB PLC and drives integration using Modbus RTU
ModbusRTU‐2‐ PLCanddrivesintegration
Contents
Introduction...................................................................................................................................................................4
Safetyinstructions .........................................................................................................................................................4
Limitations .....................................................................................................................................................................4
Fieldbusgrounding ....................................................................................................................................................6
Fieldbusshield ...........................................................................................................................................................6
Endtermination.........................................................................................................................................................6
Pullup/pulldownresistors........................................................................................................................................6
Driveswithembeddedfieldbus.................................................................................................................................7
FieldbusmodulesforABBdrives...............................................................................................................................8
Commonrecommendations......................................................................................................................................8
ABBcableTK505........................................................................................................................................................9
AC500COM1–Masteratthebuslineend .........................................................................................................11
AC500COM2–Masteratthebuslineend .........................................................................................................11
AC500‐eCoCOM1–Masteratthebuslineend..................................................................................................11
AC500‐eCoCOM2–Masteratthebuslineend..................................................................................................12
Driveconfiguration......................................................................................................................................................13
StartingupACS310driveswithembeddedModbusRTU .......................................................................................14
StartingupACS355driveswithFMBA‐01ModbusRTUadapter ............................................................................15
StartingupACS800driveswithRMBA‐01ModbusRTUadapter............................................................................17
StartingupACS850,ACQ810driveswithembeddedModbusRTU ........................................................................18
StartingupACS880driveswithFSCA‐01ModbusRTUadapter..............................................................................19
StartingupACSM1driveswithFSCA‐01ModbusRTUadapter ..............................................................................20
Installdriveslibrary .................................................................................................................................................21
ControlBuilderPlusforPLCandDrives.......................................................................................................................22
Hardwareconfiguration ..........................................................................................................................................22
IPconfigurationofCPU(forEthernetconnectionbetweenPCandPLC) ...............................................................24
CODESYS ..................................................................................................................................................................25
CODESYStabs ......................................................................................................................................................25