I'm trying to make sense of some strange behavior in preview. See the
program, attached and pasted below, which documents the problem.
Is this a known bug?
Thanks-
John
%
; If machine is in G54, and a program in G55 is aborted during run,
; preview will display DROs and origin in G55 coords, but mode line
; will say G54, register #5220 will contain 1, and MDI motion
; commands will use G54 coords.
; To reproduce:
; - A. Load this program
; - B. Set up coordinate systems with MDI commands:
; G10 L2 P1 X0 Y0 Z-4 (Set G54)
; G10 L2 P2 X0 Y0 Z-5 (Set G55)
; G54 (Use G54)
; G0 X0 Y0 Z0 (Move to 0,0,0)
; - C. Run program, stopping during execution at 2. below
; - D. Move tool to origin with MDI command:
; G0 X0 Y0 Z0 (Move to 0,0,0)
; - E. Verify:
; - a. Mode line: G54
; - b. MDI: G0 X0 Y0 Z0 ; Tool moves to abs X0Y0Z-4 == G54 X0Y0Z0
; - c. MDI: (debug, G53+#5220; Z#5422) ; Prints "G53+1.0 Z0.0" == G54
; - d. Preview: DROs say G55 X0Y0Z1; origin position at G55
; 1. Set a non-G54 offset and move to origin
G55
G0 X0 Y0 Z0
; 2. Stop program during execution of the following line
G1 X5 Y-5 F1 (Slow move; STOP PROGRAM NOW)
; (This line will never be reached)
M30
%
%
; If machine is in G54, and a program in G55 is aborted during run,
; preview will display DROs and origin in G55 coords, but mode line
; will say G54, register #5220 will contain 1, and MDI motion
; commands will use G54 coords.
; To reproduce:
; - A. Load this program
; - B. Set up coordinate systems with MDI commands:
; G10 L2 P1 X0 Y0 Z-4 (Set G54)
; G10 L2 P2 X0 Y0 Z-5 (Set G55)
; G54 (Use G54)
; G0 X0 Y0 Z0 (Move to 0,0,0)
; - C. Run program, stopping during execution at 2. below
; - D. Move tool to origin with MDI command:
; G0 X0 Y0 Z0 (Move to 0,0,0)
; - E. Verify:
; - a. Mode line: G54
; - b. MDI: G0 X0 Y0 Z0 ; Tool moves to abs X0Y0Z-4 == G54 X0Y0Z0
; - c. MDI: (debug, G53+#5220; Z#5422) ; Prints "G53+1.0 Z0.0" == G54
; - d. Preview: DROs say G55 X0Y0Z1; origin position at G55
; 1. Set a non-G54 offset and move to origin
G55
G0 X0 Y0 Z0
; 2. Stop program during execution of the following line
G1 X5 Y-5 F1 (Slow move; STOP PROGRAM NOW)
; (This line will never be reached)
M30
%
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