Explicit Messaging User Data Input

The User Data Input block lets a PLC exchange a section of memory buffer with the Gocator device. It uses Class 0x04, Attribute 0x03, and Instance ID 117 (0x75). This assembly supports the GetAttributeSingle (0x0E) service and has a maximum size of 468 bytes.

Only one instance of UserDataInput can be created and it is automatically created by the system.

Information	Value
Register Assembly	User Data Input register assembly
Supported Block Type Identifier	UserDataInput
Class	0x4
Instance	117 (0x75)
Attribute Number	3
Max Size of Register Assembly	468 bytes
Supported Service	SetAttributeSingle (0x10)

User Data Input Block

The UserDataInput block represents a data buffer of 468 bytes. It allows a PLC user to define and use any sections within this buffer and exchange that with GoPxL.

Field	Type	Offset (bytes)	Value
[Data]	Any	0	A memory region that lets the user define and use it.