Relevant Variables/Fb - Mitsubishi Electric MELSEC iQ-R Series User Manual

Relevant variables/FB

Variable/Structure name
AxisName.Md
Homing_Status
Homing_Request
Homing_Complete
MC_Home
Item Description
Function overview Executes homing of the specified axis.
Symbol
[Structured Ladder]
Applicable hardware and RD78G(H) (Structured Text)
software (Language)
Number of input area points
(byte)
188
■I/O variable
Input import: : Only at start
Name Variable name
Axis information Axis
■Input variables
Import : At start
Name Variable name
Execute Execute
command
Target position Position
Home position AbsSwitch
switch
Options Options
Name
Homing operation status
Homing request
Homing completed
MC_Home
DUT : Axis
B : Execute
L : Position
DUT : AbsSwitch
UD : Options
Number of output area points
(byte)
8
Data type Input Setting range
import

AXIS_ REF 
Data type Import Setting range
 
BOOL

LREAL Page 67
Positioning
Range
 
MC_INPUT_REF

DWORD(HEX) 0
Details
Stores the homing status of the driver.
Turns TRUE when homing is required and turns FALSE when it is
completed.
For details, refer to the following.
Page 166 Homing Request
Turns TRUE when homing is normally completed, and it turns FALSE when
operation starts.
Axis : DUT
Done : B
Busy : B
Active : B
CommandAborted : B
Error : B
ErrorID : UW
Compiling method
Subroutine type
Default Description
value
 Page 568 Axis variables
Default Description
value
FALSE When TRUE, it executes the FB.
0 Sets the home position address.

Sets the proximity dog signal that is transmitted to
the slave device in the driver homing method.
Page 356 External Signal Selection
Only "HighLevel" or "LowLevel" can be selected
for Detection (Signal detection method).
Only "0" can be specified for CompensationTime
(Compensation time [s]).
"0.0 to 5.0" can be specified for FilterTime (Filter
time [s]).
If the setting value is not within the valid range, an
error will occur.
0 Set "0". (If a value other than "0" is set, an error
will occur.)
FB operation type
Real-time execution
5 HOMING
165
5.1 Outline
5