GW-7553-B / GW-7553-M PROFIBUS/Modbus TCP Gateway User Manual
(Version 1.35, May/2017)
PAGE: 26
When the GW-7553-B / GW-7553-M acts as a Modbus Slave device, the data
exchange runs continuously between PROFIBUS Master and the GW-7553-B /
GW-7553-M and the data exchange runs between Modbus Master device and the
GW-7553-B / GW-7553-M, when GW-7553-B / GW-7553-M receive query
message from Modbus Master device, as shown in
Figure 24
、
Figure 25
.
Figure 24 GW-7553-B / GW-7553-M (slave mode) communication protocol
transfer