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ID : 3214

MC_ReadDIBit

To read an I/O input signal of robot controller. (Bit)

Graphic expression FB No. FB category
FB2136 Non motion

Input parameter

Parameter name Data type Valid range Default Omission (*)
AxesGroup Integer 1 or larger 1 No
Robot number
Specify an element number for the variable "Robots[n]" (variable in the data block "DB_DENSO_ROBOTS (DB2990)") mapped to the controlled robot (robot controller).
If a specified value exceeds the valid range, the CPU (PLC) stops.

The maximum valid range value is the maximum element number of the variable "Robots[n]". The default maximum element number is 10 but can be increased or decreased by the user.

Execute Boolean
  • True : Start
  • False : -
False No
Execution start
When the parameter is changed from False to True, this FB is executed.
IoType Integer
  • 0 : Hand I/O
  • 1 : Mini I/O
0

Yes

Type of DIO
Specify the type of DIO.
IoBitNo Integer
  • Hand I/O : 0 to 7
  • Mini I/O : 0 to 15
0 Yes
Bit number of I/O
Specify an I/O bit number. 
For details, refer to Function description.

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

  • Yes : Entry can be omitted.
  • No : Entry required always.

Output parameter

Parameter name Data type / Description
Done Boolean
Execution completion confirmation
True : This FB execution is completed.
False : This FB execution is not completed.
Busy Boolean
Processing status of this FB
True : Being executed.
False : Not being executed.
Error Boolean
Error presence
True : This FB ended abnormally.
False : This FB ended successfully.
ErrorID Word
Error location
2800 (hexadecimal) : The error occurred in the PLC program.
2801 (hexadecimal) : The error occurred in the robot controller.
ErrorIDEx DWord
Error Code
This is a number to identify the error description.
For details, refer to "Error code list".
Value Boolean
Input value
True : 1
False : 0

Function description

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

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

  • Hand I/O
    IoBitNo Robot controller port number Robot controller I/O name
    0 48 Hand input
    1 49 Hand input
    2 50 Hand input
    3 51 Hand input
    4 52 Hand input
    5 53 Hand input
    6 54 Hand input

    7

    55 Hand input
  • Mini I/O
    IoBitNo Robot controller port number Robot controller I/O name
    0 0 User input
    1 1 User input
    2 2 User input
    3 3 User input
    4 4 User input
    5 5 User input
    6 6 User input

    7

    7 User input
    8 8 User input
    9 9 User input
    10 10 User input
    11 11 User input
    12 12 User input
    13 13 User input
    14 14 User input
    15 15 User input

Attention

This function block is available only when the I/O allocation of Mini I/O is "All user I/O".

ID : 3214

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