ICP DAS USA ICP CON GW-7557 User Manual page 52

(3) Receive Burst frame
Establish variable table 2 and fill in address of PROFIBUS input area. The
value PIW4 increase in order and the value of PIB13 ~ PIB19 always
change. It means GW-7557 receives burst frame of command 1from HART
slave continuously, as shown in Figure 46 and Figure 47.
Figure 46 fill in address of PROFIBUS input area
GW-7557 PROFIBUS/HART Gateway User Manual (Version 1.00, Dec/2011) PAGE: 52