GW-7552-B / GW-7552-M PROFIBUS/MODBUS GATEWAY User Manual
(Version 1.60, May/2017)
PAGE: 28
When the GW-7552-B / GW-7552-M acts as a Modbus slave device, the data
exchange runs continuously between Profibus master and the GW-7552-B / GW-
7552-M and the data exchange runs between Modbus master device and the GW-
7552-B / GW-7552-M, when GW-7552-B / GW-7552-M receive query message
from Modbus master device, as shown in
figure 28
、
29
.
Figure 28 GW-7552-B / GW-7552-M (slave mode) communication protocol
transfer
