M-Series Operator’s Manual 4/9/15
M17 – Prepare for Tool Change (Macro)
M17 has no default action, therefore a custom M17 macro must be defined for this feature to work. If defined, the
M17 macro turns off spindle and coolant and starts the spindle orientation process in preparation for M6 (Tool
Change). The M17 macro is allocated for use with Intercon and the setting in Parameter 162. See Parameter 162 in
Chapter 14 for more information.
M19 – Spindle Orient (Macro)
M19 has no default action, therefore a custom M19 macro must be defined for this feature to work. If defined, the
M19 macro sends a request to the PLC to rotate the spindle to its pre-set orient position.
M25 - Move to Z Home
By default, M25 moves the Z axis to the home position at the Z axis maximum rate. The Z axis home position is
the Z axis component of the Return #1 (G28) machine position. (The Return #1 position is first machine coordinate
position defined in the Return sub-menu of the Work Coordinate System Configuration.)
The default action of M25 only involves the Z axis. However, if you specify axis arguments (up to 3), then those
axes specified will be moved to their axis home positions (Return #1 machine position).
Examples:
M25 ; move Z to home
M25 /Z ; same as M25 by itself – move Z to home
M25 /X/Y/Z ; move X, Y and Z to their Return #1 positions
M25 /X ; move only X to its Return #1 position
M26 - Set Axis Home
M26 sets the machine home position for the specified axis to the current position (after the line's movement). If no
axis is specified, M26 sets the Z-axis home position.
Example:
M91/X ; home X axis to minus home switch
M26/X ; set machine home for X-axis there
M92/Z ; home Z-axis to plus home switch
M26 ; set machine home for Z-axis there
M30 - Custom M Code
Intercon posts an M30 at the end of every G code program. By default M30 performs no operation. If you wish to
perform certain operations at the end of every program, this M code can be customized to meet you needs. For
more information on customizing M codes see the beginning of this chapter.
M39 - Air Drill
M39 is a default air drill activation sequence with a timeout. The sequence of operations is as follows:
M94/15 ; activate M function request 15
M103/2 ; start 2 second timer
M100/50015 ; wait for input 15 to open
M95/15 ; deactivate M function request 15
M104 ; cancel timer
* NOTE: This program will be canceled by timer expiration if input 15 does not open within 2 seconds after M
function request 15 is activated. The PLC program must be involved in taking away the drill output when the CNC
program stops:
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