Define the terms MODAL as it applies to G codeSolutionModal

Define the terms MODAL as it applies to G code.

Modal codes are like a light switch. Flip it on and the lamp stays lit until someone turns it off. For example, the coolant commands are modal. If coolant is turned on, it stays on until it is explicitly turned off. The G codes for motion are also modal. If a G1 (straight move) command is given on one line, it will be executed again on the next line unless a command is given specifying a different motion (or some other command which implicitly cancels G1 is given).

The modal groups used in the interpreter are shown in Table 6.

Group 1	{G0, G1, G2, G3, G80, G81, G82, G83, G84, G85, G86, G87, G88, G89} - motion
Group 2	{G17, G18, G19} - plane selection
Group 3	{G90, G91} - distance mode
Group 5	{G93, G94} - spindle speed mode
Group 6	{G20, G21} - units
Group 7	{G40, G41, G42} - cutter diameter compensation
Group 8	{G43, G49} - tool length offset
Group 10	{G98, G99} - return mode in canned cycles
Group 12	{G54, G55, G56, G57, G58, G59, G59.1, G59.2, G59.3} coordinate system selection
Group 2	{M26, M27} - axis clamping
Group 4	{M0, M1, M2, M30, M60} - stopping
Group 6	{M6} - tool change
Group 7	{M3, M4, M5} - spindle turning
Group 8	{M7, M8, M9} - coolant
Group 9	{M48, M49} - feed and speed override bypass

Define the terms MODAL as it applies to G code.SolutionModal codes are like a light switch. Flip it on and the lamp stays lit until someone turns it off. For ex

Define the terms MODAL as it applies to G codeSolutionModal

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