# Overview of the additional ISG function blocks (FB)

The table below provides an overview of the availability of the FBs additionally provided by the ISG.

Function block | PLC systems
KW | 3S | TwinCAT
MCV_P1_Platform | X | X | X
MCV_Axis | X | X | X
MCV_CamSwitch | SIMU KUKA SERCOS | SIMU - SERCOS | SIMU
MCV_TorqueLimit | - KUKA SERCOS | - - SERCOS | SIMU
MCV_SetFollowUp | SIMU KUKA - | SIMU - - | SIMU
MCV_SetDriveMode | - KUKA SERCOS | - - SERCOS | SIMU
MCV_SetTorqueValue | - KUKA SERCOS | - - SERCOS | SIMU
MCV_PosLagMonitor | - KUKA - | - - - | SIMU
MCV_Home | - - - | - - - | SIMU
MCV_DisableFeedbackMon | - KUKA - | - - - | SIMU
MCV_ChgParamSet | SIMU KUKA SERCOS | SIMU 1) - SERCOS 1) | SIMU
MCV_ReqParamSetId | SIMU KUKA SERCOS | SIMU 1) - SERCOS 1) | SIMU

MCV_ChgParamValue | SIMU KUKA SERCOS | SIMU 1) - SERCOS 1) | SIMU
MCV_ActivateParamChg | SIMU KUKA SERCOS | SIMU 1) - SERCOS 1) | SIMU
MCV_SaveParamChg | SIMU KUKA SERCOS | SIMU 1) - SERCOS 1) | SIMU
MCV_ReadParamValue | SIMU KUKA SERCOS | SIMU 1) - SERCOS 1) | SIMU
MCV_DiscardParamChg | SIMU KUKA SERCOS | SIMU 1) - SERCOS 1) | SIMU
MCV_UnHome | - KUKA - | - - - |
MCV_DeactivateAxis | - KUKA - | - - - |
MCV_Decouple | - KUKA - | - - - |
MCV_Couple | - KUKA - | - - - |
MCV_ConveyorControl1) | SIMU - SERCOS | SIMU - SERCOS | SIMU - SERCOS
MCV_SetReducedFilter | SIMU KUKA SERCOS | SIMU - SERCOS | SIMU - SERCOS
MCV_SuppressSoftLimSw | SIMU KUKA SERCOS | SIMU - SERCOS | SIMU - SERCOS
MCV_TorqueFreeStop | - KUKA SERCOS | - - SERCOS | -
MCV_InitPosition | Available for all drive types | Available for all drive types | Available for all drive types

1) Availability is dependent on the MCE used.