ReadBytes (FUN)¶

FUNCTION ReadBytes : DINT

• • Reads size bytes at offset from the devices pi into data.

  • @param deviceId Id of the device

  • @param offset Offset at which the data will be read.

  • @param size Size of the data to read.

  • @param data Pointer to the buffer.

  • @return Returns 0 on success, -1 otherwise.

InOut:

Scope	Name	Type
Return	ReadBytes	DINT
Input	deviceId	DINT
	taskId	UDINT
	offset	UDINT
	size	UDINT
	data	POINTER TO BYTE