GW-7552-B / GW-7552-M PROFIBUS/MODBUS GATEWAY User Manual
(Version 1.60, May/2017)
PAGE: 25
Figure 24 The GW-7552-B / GW-7552-M receive data from Modbus master
device
Figure 25 The GW-7552-B / GW-7552-M output data to Modbus master device
3.3 Communication protocol transfer
In section 3.1 and 3.2, we can understand that data exchange is through DI
、
DO
、
AI
、
AO memory space of the GW-7552-B / GW-7552-M between Profibus
