vices etc. The auxiliary devices are electrically connected to the terminal strip
for the individual relay. The terminal strip has a position for, Normally Open
(NO), Normally Closed (NC) and Common (COM).
.
Optional 8M-Code Relays
Additional M-Code relay functions can be purchased in banks of 8. A maximum
of two 8M-code relay boards can be installed in the machine, for a total of 16
additional outputs.
A total of 4 banks of 8 relays are possible in the Haas system these are
numbered from 0-3. Banks 0 and 1 are internal to the main I/O PCB. Bank 1
includes the M21-25 relays at the top of the IOPCB. Bank 2 addresses the rst
8M option PCB. Bank 3 addresses the second 8M option PCB.
NOTE: Bank 3 may be used for some Haas installed options and may not
be available. Contact your dealer for more details.
Only one bank of outputs may be addressable with M-codes at a time. This is
controlled by parameter 352 “Relay Bank Select”. Relays in the non-activated
banks are only accessible with macro variables or M59/69. Parameter 352 is
shipped set to “1” as standard.
NOTE: With any probing option, Parameter 352 must be set to ‘1’. When
the 8M option is installed, access its relays using M59/69
M30 Program End and Reset
The M30 code is used to stop a program. It stops the spindle and turns off the
coolant (including TSC) and the program cursor will return to the start of the
program. M30 cancels tool length offsets.
M31 Chip Conveyor Forward / M33 Chip Conveyor Stop
M31 starts the optional chip conveyor motor in the forward direction; the direc-
tion that moves the chips out of the machine. The conveyor will not turn if the
door is open. It is recommended that the chip auger be used intermittently.
Continuous operation will cause the motor to overheat.
Starting and stopping the chip conveyor will also run the optional conveyor
washdown.
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