Precautions - Mitsubishi Electric M800VW Series Programming Manual

M800V/M80V Series PLC Programming Manual (2/2)
14 PLC Help Function
14.18 Interference Check III

14.18.7 Precautions

(1) For the operation error (M03 0003), if the interfering object has deviated from the interference warning area, you can can-
cel the alarm by resetting the NC or turning OFF the "Interference check III: mode" signal.
(2) During the operation error (M03 0003), a torque limit and feedrate clamp are constantly performed.
In the case that the torque limit execution command (axis specification parameter "#2661 ITF3_ILMT") is turned OFF
when an interfering object enters the interference warning area, or the C axis of spindle/C axis control, the torque limit is
not executed.
During the torque limit being applied when an interfering object enters the interference warning area, the in current limit
signal (X900-X907) is NOT turned ON.
If the setting value of clamp speed is "0" when an interfering object enters the interference warning area, the feedrate
clamp is not executed.
(3) If you wish to cancel the torque limit and feedrate clamp during the operation error (M03 0003) , turn OFF the "Interfer-
ence check III: mode" signal.
(4) "M03 Interference detection 0001" can be canceled by reset.
(5) You are able to cancel the operation error (M03 0001) by resetting the NC or turning OFF the "Interference check III:
mode" signal.
(6) You are able to cancel the operation error (M03 0002) by turning OFF the "Interference check III: mode" signal.
Resetting the NC does not cancel the alarm.
(7) When the entry to the interference alarm area is detected, the axis travel is stopped just before the entry.
For the stop position, the distance between interfering objects when stopped may be "0" since the position varies depend-
ing on the axis feedrate and axis travel amount. Define an interfering object (solid) with applying the clearance amount in
accordance with the use conditions such as overshoot operation of machine when stopped.
(8) In the high-speed high-accuracy control (high-speed machining mode/high-accuracy control/spline interpolation etc.) a
path in accordance with the tolerance amount is created to make a machining program commanded with micro segments
faster and smoother. Thus, a difference arises between the path on which the interference check III is performed and the
path on which the tool actually passes.
When using the high-speed high-accuracy control (high-speed machining mode/high-accuracy control/spline interpolation
etc.) together with the interference check III, define the interfering object (solid) with applying the clearance amount in
accordance with the path difference caused by the tolerance amount.
(9) You are able to select the axis which stops when the operation error (M03 0001 or M03 0002) is detected, using the
parameter "#1444 otsys" (Stop all part systems at OT).
#1444 = 0 All the axes in the part system which controls the axes set in the interfering object definition "in-
terfering object I J K control axes" and "I J K rotary axes" will stop.
#1444 = 1 All axes in all part systems will stop.
(10) If the operation errors (M03 0002) is detected between fixed interfering objects (interfering objects in which the interfering
object definition "interfering object I J K control axes" and "I J K rotary axes" are not set), the alarm is output to the part
system1.
(11) When inputting the interfering object selection with system variables, the system variables in which the command range is
integer is set in R register with the value after the decimal point being ignored.
When inputting any value out of the setting range in #40000 to #40097, the low 16 bits of the inputted value is set in R
register. When inputting #0<empty> in #40000 to #40097, "0" is set in R register.
(12) If you have made a write command to system variable (#40000 to #40097) in a program except for the machine tool
builder macro program, the program error (P241) occurs.
(13) If you perform the interference check III during the high-speed simple program check, the operation error (M03 0001) may
occur at a position different from the actual operation.
(14) If you set more than one interfering object which includes rotary axis setting as one interfering object using the interfering
check III: specifying disabled interfering object, only the interfering object in which a rotary axis is set will be in rotating
operation, checking the interference between the interfering objects.
(15) If the operation error (M03 0001) occurs, cancel it by moving the interfering object to the retracting direction with the linear
axis.
(16) The interference check III cannot be applied to PLC axes. In the case of NC axis/auxiliary axis switching, the check is
available.
IB-1501668-B 670