PI MS249E - Page 118

7 Operation
112 Version: 1.2.1 MS249E C-863.12 Mercury Controller
Action
Command
Result
JON 1 0
▪ Deactivate joystick 1
DIO 0 0
▪ Switch all LEDs on the pushbutton box off
MAC END
Record the TESTDION
macro on the
controller.
MAC BEG testdion
The macro has the following tasks:
MEX VAR? 0 != 1
▪ Stop macro execution if the number of local
variables given when starting TESTDION is not 1
MEX DIO? $1 = 0
▪ Stop macro execution if the button specified via
local variable 1 on the pushbutton box is no
longer pressed (corresponding input line has the
low state)
DEL 300
▪ Wait 300 ms
JRC 3 DIO? $1 = 1
▪ If the button is still pressed, jump 3 lines forward
(to DEL 400)
MAC START MVAX2ST
$1
▪ Start the MVAX2ST macro because the button
was only briefly pressed. The value of the local
variable 1 is also used for local variable 1 in
MVAX2ST. MVAX2ST moves axis 1 to the position
assigned for the button.
MEX DIO? $1 = 0
▪ Stop macro execution if button is no longer
pressed
DEL 400
▪ Wait 400 ms
MEX DIO? $1 = 0
▪ Stop macro execution if button is no longer
pressed
DIO $1 1
▪ Switch the pushbutton box LED on that is
associated with the button pressed to indicate
storing of the current position
WAC DIO? $1 = 0
▪ The macro is executed further only if the button
is no longer pressed
DIO $1 0
▪ Switch LED off
CPY STORE$1 POS? 1
▪ Save the current position of axis 1 in the global
variable designated via local variable 1
MAC END
Record the MVAX2ST
macro on the
controller.
MAC BEG MVAX2ST
The macro has the following tasks:
CPY 2 VAR? STORE$1
▪ Get the storage variable designated via local
variable 1 and copies its value to local variable 2
MOV 1 $2
▪ Start motion of axis 1 to the target position
specified via local variable 2