The main differences are in the hardware connection of the rotary or DIP switches and the LEDs.
Please drop your script onto the box below and receive hints specific to your script.
RS_State_LED
Your script utilizes the parameter RS_State_LED. IC and IC2 have no status LEDs that could be addressed with this parameter.
SelectID
Your script utilizes the parameter SelectID . IC and IC2 have no status LEDs that could be addressed with this parameter.
RS_Switch
Your script utilizes the parameter RS_Switch . IC and IC2 have no rotary or DIP switches that could be addressed with this parameter.
Bus_Type
Your script utilizes the parameter Bus_Type. CL and IC/IC2 bus types differ to allow distinguish the hardware within the script.