If you connect any HMI to the Simulator of UnityPro you have only access to the %MW, Functioncodes: 3,6,16)
All UnityPro Versions up to V3.1
With UnityPro V4.0 is planned to make all needed Function codes 1..6, 15 and 16 available. Then you have also access to 0x, 1x, 3x and 4x registers (Types in Unity %Mx, %Ix, %IWx and %MWx).
Legacy KB System (APS) Data: RESL190935 V1.0, Originally authored by KlSP on 02/04/2008, Last Edited by KlSP on 02/04/2008
Related ranges: Unity Pro