Yaskawa MotionWorks IEC Toolboxes - Manual (Page 546)

Yaskawa Toolbox: Function Blocks
MotionWorks IEC61131-3 Toolboxes: 2013-09-13 533
8717 The socket is already connected to another endpoint.
8718 The socket connection attempt was actively refused by the remote peer.
8719
The socket was not connected to a remote endpoint. Call Y_ConnectSocket prior to
Y_ReadDevice or Y_WriteDevice.
8720 An error occurred trying to get or set the device option.
8721 The communication device could not be read.
8722 The communication device could not be written.
8723 The Buffer argument to WriteDevice and ReadDevice is required.
8724 The device option ID was invalid.
8725 The device option value was not the right size or the data was out of range.
8726 The serial port ID was not a valid serial port.
8727 The serial port could not be opened.
Example 1
Set Single Attribute
Example 2
Get Attribute single