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96-8000 Rev AC
May 2010
Selecting “XON/XOFF” uses ASCII character codes from the receiver to tell the
sender to temporarily stop. XON/XOFF is the most common setting.
The “DC Codes” selection is like XON/XOFF, with the exception that start/stop
codes are sent.
The “XMODEM” selection is receiver-driven, which sends data in blocks of 128
bytes. XMODEM gives the RS-232 communication added reliability because
each block is checked for integrity.
51 - Door Hold Override (Safety Switch Override)
Selecting “Off” will not allow a program to start when the doors are open, and
opening a door will cause the running program to stop (the same as pressing
Feed Hold).
Machines equipped with a hand held safety switch will go into feed hold if the
safety switch is released.
When the control is powered on, this setting automatically returns to Off.
This setting has no effect on a Haas machine as configured for shipment from
the factory. That means the door always prevents automatic operation. In ad
-
dition, machines built for Europe with the locking door switch do not use this
setting.
52 - G83 Retract Above R
Range 0.0 to 30.00 inches or 0-761mm). This setting changes the way G83
(peck drilling cycle) behave. Most programmers set the reference (R) plane
well above the cut to ensure that the chip clearing motion actually allows the
chips to get out of the hole. However this wastes time as the machine will “drill”
through this empty distance. If Setting 52 is set to the distance required to clear
chips, the R plane can be put much closer to the part being drilled.
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Top of Part
Setting 52
Start Position
R Plane
New R Plane
53 - Jog w/o Zero Return
Turning this setting On allows the axes to be jogged without zero returning the
machine (finding machine home). This is a dangerous condition as the axis can
be run into the mechanical stops and the possibly damage the machine. When
the control is powered up, this setting automatically returns to Off.
54 - Aux Axis Baud Rate
This setting allows the operator to change the data rate for the second serial
port (Auxiliary axis). This setting needs to match the value in the auxiliary axis
control.
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