MIL-M-80269
A software program for accommodating
3.4.10.32 Programmable interface.
the softwired interface between the numerical control and machine shall be
provided as part of the executive program or as a separate program in the
form of l-inch, eight-channel punched tape complying with EIA RS-244 or
8-inch flexible diskette as appropriate for the input media specified (see
6.2.1).
Maintenance diagnostics soft-
3.4.10.33 Maintenance diagnostics system.
ware shall be furnished in either the control as nonvolatile memory or in
the form of l-inch, eight-channel punched tape complying with EIA RS-244 or
8-inch flexible disk `as appropriate for the input media specified (see
6.2.1) to provide for diagnostic checking of the machine control unit. The
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diagnostic-software shall-test, exercise, and display failures, at least to
board level.
Unless otherwise specified
Peripheral equipment interface.
3.4.10.34
(see 6.2.1), the control shall be equipped with an interface complying with
RS-232.
The control panel or pendant shall have manual con-
3.4.10.35 Axis jog.
trols for accomplishing both single and continuous, low and high speed jog
movements of the slides for each controlled axis in both the plus and minus
direction.
Unless otherwise specified (see 6.2.1),
3.4.10.36 Auxiliary functions.
the MCU shall respond to the following program commanded auxiliary func-
Unless otherwise specified
tions: interpolar ion, fixed cycles, and dwell.
(see 6.2.1), miscellaneous functions shall include program stop, optional
program stop, end-of-program, spindle clockwise (CW), spindle counterclock-
wise (CCW) , spindle off, coolant on-off, tool change, end-of-program
(rewind), and program re-start.
System preparatory and miscellaneous func-
tions shall be coded in accordance with EIA RS-274.
The following canned cycles shall be provided:
3.4.10.37 Canned cycles.
Drilling.
a.
Boring.
b.
Tapping.
c*
3.4.10.38 Tape punch unit. When specified (see 6.2.1), the system shall
have a tape punch unit for producing punched tapes from edited programs
stored in data memory. The unit shall have a plug receptacle and circuitry
that is compatible with the tape punch output of the system, punching both
paper and mylar tapes of dimensions characteristics and code in accordance
The punching speed of the unit shall be not less than 75
with 3,4.10.2.1.
characters per second.
3.4.10.39 Postprocessor. When specified (see 6.2.1), the system shall be
furnished with a postprocessor program(s) to be utilized in off-line com-
The postprocessor shall be
puter assisted preparation of part programs.
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