answered 2023-10-26 02:07:12 -0500
Use GETFTC (external function) to get the internal bus numbers of IBUS and JBUS and the circuit ID.
CALL GETFTC(KM,IB,IB2,ID)
The external bus number is given by:
IBUS = NUMBUS(IB) JBUS = NUMBUS(IB2)