ID : 7834

MC_ReadDOByte

To read an I/O output signal status of robot controller. (Byte)

Graphic expression		FB category
Ver.5.5	Ver.5.35	FB category
		Non motion

Input and Output Variable

Variable name	Data type	Valid range	Default	Omission (*)
AxesGroup	eRC_AxesGroup			No
AxesGroup	Robot Group Specify a robot variable (structured type data : eRC_AxesGroup) of user-defined type.

Variable name	Data type	Valid range	Default	Omission (*)
Execute	Boolean	TRUE : Start FALSE : -	FALSE	No
Execute	Execution start When the variable is changed from FALSE to TRUE, this FB is executed.
IoType	Integer	0, 1	0	No
IoType	Type of DIO Specify the type of DIO. [0 : Hand I/O] [1 : Mini I/O]
IoByteNo	Integer	Hand I/O : 0 Mini I/O : 0, 1	0	No
IoByteNo	Byte number of I/O Specify an I/O byte number. For details, refer to Function description.

(*) : For some Variable, entries can be omitted.

Variable name	Data type / Description
Done	Boolean
Done	Execution completion confirmation TRUE : This FB execution is completed. FALSE : This FB execution is not completed.
Busy	Boolean
Busy	Processing status of this FB TRUE : Being executed. FALSE : Not being executed.
Error	Boolean
Error	Error presence TRUE : This FB ended abnormally. FALSE : This FB ended successfully.
ErrorID	Word
ErrorID	Error location 2800 (hexadecimal) : The error occurred in the PLC program. 2801 (hexadecimal) : The error occurred in the robot controller.
ErrorIDEx	DWord
ErrorIDEx	Error Code This is a number to identify the error description. For details, refer to "Error code list".
Value	Byte
Value	Output value A value ranging from 0 to 255 is output

This function block reads an I/O output signal status of robot controller.

The following tables show the correspondence between robot controller port number and byte number.

Hand I/O

IoByteNo	Robot controller port number	Robot controller I/O name
0	64	Hand output
	65	Hand output
	66	Hand output
	67	Hand output
	68	Hand output
	69	Hand output
	70	Hand output
	71	Hand output

Mini I/O

IoByteNo	Robot controller port number	Robot controller I/O name
0	16	CPU Normal
	17	User output
	18	User output
	19	User output
	20	User output
	21	User output
	22	User output
	23	User output
1	24	User output
	25	User output
	26	User output
	27	User output
	28	User output
	29	User output
	30	User output
	31	User output

ID : 7834