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B&B Electronics GW-7553 - Manual User Manual

Page 24

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GW-7553 PROFIBUS/Modbus TCP Gateway User Manual (Version 1.00, Dec/2008) PAGE: 24

When the GW-7553 acts as a Modbus Slave device, the data exchange runs
continuously between PROFIBUS Master and the GW-7553 and the data
exchange runs between Modbus Master device and the GW-7553, when GW-7553
receive query message from Modbus Master device, as shown in figure 24

、

25.


Figure 24 GW-7553 (slave mode) communication protocol transfer

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