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GW-7552-B / GW-7552-M PROFIBUS/MODBUS GATEWAY User Manual
(Version 1.60, May/2017)
PAGE: 48
Figure 45 Send Modbus command (output data: FF, FF)
Figure 46 Receive “0xFF” in the input data area
Table 15 Receive “0xFF” in the input data area
Module
Byte
Data type Representation
Value
Input module
Input 0
Byte
Hex
0xFF
Input 1
Byte
Hex
0xFF