Mitsubishi Electric 4F-FS001-W200 Instruction Manual page 193

(20) It is not possible to describe a condition format combined with a log operator such as in (M1 And &H001) =
1.
(21) If an interrupt is entered while performing perfect circle interpolation or circular interpolation (Mvc, Mvr,
Mvr2, Mvr3) and control is returned to the original step with Return 0, the robot returns to the perfect circle
or circular interpolation start point before once again performing circular or arc interpolation.
(22) If an interrupt is entered while performing arch interpolation and control is returned to the original step with
Return 0, the robot performs arch interpolation from the position at that time.
[Related commands]
Act
Caution
Set the interrupt stop type correctly based on the application.
If wishing to stop the robot with an interrupt over the minimum time and distance
when executing a movement command, specify "S" for the Stop type.
11 Language Specifications
Other Related Commands 11-181