B&B Electronics GW-7552 - Manual User Manual

Page 24

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GW-7552 PROFIBUS/MODBUS GATEWAY User Manual (Version 1.40, Apr/2012) PAGE: 24

When the GW-7552 acts as a Modbus slave device, it can receive query message
from Modbus master device and then saving to internal DO、AO memory space.
It can also send response message to Modbus master device through internal DI、
AI data, as shown in figure 24

、

25.

Figure 24 The GW-7552 receive data from Modbus master device

Figure 25 The GW-7552 output data to Modbus master device