DALNCP specifies the maximum number of READ or WRITE macros issued before a CHECK macro is issued. It is mutually exclusive with the BUFMAX (DALBUFMX) key. When you code DALNCP, # and LEN must be one, and PARM contains the NCP value. The maximum PARM value is X'FF' (255).
KEY # LEN PARM
0044 0001 0001 02