Figure 17 Data exchange between the HART slave devices and the GW-7557
3.3 Communication protocol transfer
In section 3.1 and 3.2, we can understand that data exchange is through Output
Queue
、
Input Queue of the GW-7557 between PROFIBUS Master
、
HART slave
devices and the GW-7557. The data exchange runs continuously between
PROFIBUS master
、
HART slave device and the GW-7557, as shown in
Figure
18
and
Figure 19
GW-7557 PROFIBUS/HART Gateway User Manual
(Version 1.00, Dec/2011)
PAGE: 20
