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5.5.5.3
Data bits
1.
Select "Detailed Design"->" Modbus variable "-> the drop-down box corresponding to"data bit", select
the supported data bit number of 7 or 8 bits, as shown in Figure 5.45
Figure 5.45 Modbus Data Bit Selection
2.
Select the value that needs to be modified, then click the apply button to save the modified value.
5.5.5.4
Calibration
1.
Select "detailed Design"->"Modbus variable"-"calibrate" corresponding to the drop-down box, support:
odd check, even check, and no check, as shown in Figure 5.46
Figure 5.46 Modbus Selection of calibration values
2.
Select the value that needs to be modified, then click the apply button to save the modified value.
5.5.5.5
Stop Bits
1.
Select "Detailed Design"->"Modbus variable"-> the drop-down box corresponding to"stop bit", the stop
bit can be selected as: 1 bit stop bit and 2 bit stop bit, as shown in Figure 5.47
Figure 5.47 ModbusModbus Stop Bit Selection
2.
Select the value that needs to be modified, then click apply to save the modified value.
5.5.5.6
CRC byte order
1.
Select "detailed Design"->"Modbus variable"-> the drop-down box corresponding to"CRC byte order",
the check includes: Low-high and High-low, as shown in Figure 5.48
