WindO/I-NV4 User’s Manual 3-47
5 User Communication
3
Communication
■ Command Size (byte)
Displays the data size of a configured command.
The calculation method for command size varies based on the type selected in Type on the Command Settings dialog
box.
■ Start Code, Terminal Code
Display the start code and the terminal code in hexadecimal notation.
■ Expand/Contract Data List
Shows or hides the Type, Trigger Condition and Detail. By hiding Type, Trigger Condition and Detail, the
number of the data displayed in Data List will increase.
BCC: Displays the specified data enclosed in BCC ( ).
BCC(Calculation Start Position Calculation End Position Calculation Type
Conversion Type Number of bytes)
Calculation Start Position:
Displays the data position where the BCC calculation
starts.
Calculation End Position:
Displays the data position where the BCC calculation ends.
Calculation Type: Display the methods to calculate the data between the
Calculation Start Position and Calculation End Position as
follows.
XOR: When XOR is selected
ADD: When ADD is selected
ADD2: When ADD (2's Complement) is selected
Conversion Type: Display the conversion methods for values of device
addresses as follows.
HEX-A: When Hexadecimal to ASCII is selected
N: When No conversion is selected
Number of bytes: Displays the number of bytes of the transmitted or
received data.
Example: BCC(2 1 XOR N 2)
Skip: Displays the specified data enclosed in Skip( ).
Skip(Number of bytes)
Example: Skip(2)
Add: Adds a data to Data List.
Click this button, displays the Data Settings dialog box. For details, refer to “Data
Settings Dialog Box” on page 3-48.
Edit: Changes the selected data in Data List.
Click this button, displays the Data Settings dialog box. For details, refer to “Data
Settings Dialog Box” on page 3-48.
Copy: Copies the selected data in Data List.
Click this button to add a copy of the selected data to the end of Data List.
Up: Shifts the selected data upward in the list.
Down: Shifts the selected data downward in the list.
Delete: Deletes the selected data from Data List.
TXD: Number of bytes for Constant Data + Number of bytes for a data of Registering Constant + Number of
bytes of BCC + Number of bytes of Device Address x Words of Device Address
RXD: Number of bytes for Constant Data + Number of bytes for a data of Registering Constant + Number of
bytes of BCC + Number of bytes of Skip + Number of bytes of Device Address x Words of Device Address
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