Omron V750 series, Руководство по подключению к сети

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9. Program
58
● SendMessageSet function block
(General-purpose Ethernet communications send data setting)
Instruction Meaning ST expression
SendMessageSet
General-purpose Ethernet
communications
send data setting
ETN_SendMessageSet_instance( Execute,
Send_Data,
ComType);
[Internal variables]
Name Data type Description
Send_Header STRING[5] Send header: Header of the send message
Send_Addr STRING[5] Destination device address: Address of the destination device
Send_Command STRING[256]
Destination device command:
Command sent to the destination device
Send_Check STRING[5] Send check code: Check code of the send message
Send_Terminate STRING[5] Send terminator: Terminator of the send message
[Input/Output]
Name
I/O
Data type Description
Execute Input BOOL
Execution flag: The function block is executed when this
variable changes to TRUE and it is stopped when this variable
changes to FALSE.
Send_Data Output STRING[256]
Send data: This variable sets a command that is sent to the
destination device.
ComType Output BYTE
Send/Receive type: This variable sets whether send/receive
processing are required.
1:Send only, 2: Receive only, 3: Send and receive
Busy Output BOOL Busy
Done Output BOOL Normal end
Error Output BOOL Error end
ErrorID Output WORD Error code
ErrorIDEx Output DWORD Expansion error code
Not used
(Not used in this project.)
[Internal variable]
None