7 Programming FCs (Functions) and FBs for S7 Ethernet CPs
A-255
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
Table 7-13 PNIO_RW_REC codes
DONE MeaningSTATUSERROR
0 1 80C2H There are too many jobs pending
0 1 80C3H Resources occupied (memory)
0 1 80C4H Communication error: (occurs temporarily and a repetition in the user
program will often remedy the problem).