Here is code from my 510 for a sheet.
;(R010101Z)
;(PROGRAM PRODUCED - 01 NOV 18 - 07:57)
;(TIME FOR THIS SHEET = 3 min.54 sec.)
;(POST MODIFIED 12-7-06)
G70
M15
M12
M25
M413 M423
M0
M57
G0 G79 Z0 M180
M50 M60
M414 M424
(UOT,1,X0,Y0,Z0)
G90
M6 T0 ; FIRST TOOL
M12 M40
M180 ;MULIT-DRILLING
M161
h161
M23
G81 Z0.315 R0.94 R1.69 F75. S4000
X0.0545 Y34.05
X37.7245 Y27.097 Z0.315
X65.695 Y14.3945 Z0.315
X64.1515 Y2.375 Z0.315
X63.699 Y2.375 Z0.315
X75.0305 Y46.375 Z-0.02
X75.0305 Y36.486 Z-0.02
X75.0305 Y26.597 Z-0.02
X54.0305 Y26.597 Z-0.02
X54.0305 Y36.486 Z-0.02
X54.0305 Y46.375 Z-0.02
X31.957 Y46.375 Z-0.02
X31.957 Y41.75 Z-0.02
X31.957 Y37.125 Z-0.02
X31.957 Y35.4275 Z-0.02
X31.957 Y30.8025 Z-0.02
X31.957 Y26.1775 Z-0.02
X16.4595 Y26.1775 Z-0.02
X16.4595 Y30.3638 Z-0.02
X16.4595 Y34.55 Z-0.02
X16.4595 Y38.0025 Z-0.02
X16.4595 Y42.1888 Z-0.02
X16.4595 Y46.375 Z-0.02
G80
M180 ;MULIT-DRILLING
M166
M162
M163
M164
M165
h166
G81 Z0.2963 R0.94 R1.69 F75. S4000
X18.4501 Y34.05
X18.4501 Y38.5025 Z0.2963
X8.3714 Y46.1875 Z0.2963
X18.4501 Y46.1875 Z0.2963
X8.3714 Y38.5025 Z0.2963
X8.3714 Y34.05 Z0.2963
X8.3714 Y26.365 Z0.2963
X18.4501 Y26.365 Z0.2963
X12.4304 Y21.06 Z0.2963
X12.4304 Y2.375 Z0.2963
X72.4684 Y2.375 Z0.2963
X83.807 Y2.375 Z0.2963
X72.4684 Y10.0575 Z0.2963
X83.807 Y10.0575 Z0.2963
G80
G79 G00 Z0
M180
M25
M6 T2 ;ROUTER
h2
M13 S18000
(DLY,3)
M11
M116
G0 G42 X74.6675 Y35.736 Z1.69
G1 Y36.486 Z0.565 F300.
Y48.1245 F800.
X75.3755
Y24.8475
X74.6675
Y36.486
Y36.985
Y37.735 Z0.94
G0 Z1.69
G40
G0 G42 X53.6675 Y35.736 Z1.69
G1 Y36.486 Z0.565 F300.
Y48.1245 F800.
X54.3755
Y24.8475
X53.6675
Y36.486
Y36.985
Y37.735 Z0.94
G0 Z1.69
G40
G0 G42 X32.302 Y42.9387 Z1.69
G1 Y42.1887 Z0.565 F300.
Y36.253 F800.
X31.594
Y48.1245
X32.302
Y42.1887
Y41.6897
Y40.9397 Z0.94
G0 Z1.69
G40
G0 G42 X32.302 Y31.1138 Z1.69
G1 Y30.3638 Z0.565 F300.
Y24.428 F800.
X31.594
Y36.2995
X32.302
Y30.3638
Y29.8647
Y29.1148 Z0.94
G0 Z1.69
G40
G0 G42 X33.8865 Y11.25 Z1.69
G1 Y12. Z0.565 F300.
Y23.8745 F800.
X34.5945
Y0.1255
X33.8865
Y12.
Y12.499
Y13.249 Z0.94
G0 Z1.69
G40
G0 G42 X63.699 Y12.75 Z1.69
G1 Y12. Z0.565 F300.
Y0.1255 F800.
X62.991
Y23.8745
X63.699
Y12.
Y11.501
Y10.751 Z0.94
G0 Z1.69
G40
M6 T1 ;ROUTER
h1
M13 S18000
(DLY,3)
M11
M116
G0 G42 X49.7927 Y0.357 Z1.69
G1 X48.7927 Z0.44 F300.
X33.699 F800.
Y0.847
X63.8865
Y0.357
X48.7927
X48.4177
X47.4177 Z0.94
G0 Z1.69
G40
M6 T6 ;ROUTER
h6
M13 S18000
(DLY,3)
M11
M116
G0 G42 X16.2857 Y22.7475 Z1.69
G1 X14.3958 Z-0.005 F300.
X0.0545 F622.
Y0.375
X28.737
Y22.7475
X14.3958
X14.0208
X12.1308 Z0.94
G0 Z1.69
G40
G0 G42 X14.865 Y24.6775 Z1.69
G1 X16.755 Z-0.005 F300.
X33.4555 F622.
Y36.05
X0.0545
Y24.6775
X16.755
X17.13
X19.02 Z0.94
G0 Z1.69
G40
G0 G42 X14.865 Y36.5025 Z1.69
G1 X16.755 Z-0.005 F300.
X33.4555 F622.
Y47.875
X0.0545
Y36.5025
X16.755
X17.13
X19.02 Z0.94
G0 Z1.69
G40
G0 G42 X50.339 Y23.625 Z1.69
G1 X48.449 Z-0.005 F300.
X33.199 F622.
Y20.633
X29.199
Y0.375
X63.699
Y23.625
X48.449
X48.074
X46.184 Z0.94
G0 Z1.69
G40
G0 G42 X64.8905 Y25.097 Z1.69
G1 X66.7805 Z-0.005 F300.
X95.8365 F622.
Y47.875
X37.7245
Y25.097
X66.7805
X67.1555
X69.0455 Z0.94
G0 Z1.69
G40
G0 G42 X82.6557 Y24.6445 Z1.69
G1 X80.7658 Z-0.005 F300.
X65.695 F622.
Y12.3945
X95.8365
Y24.6445
X80.7658
X80.3908
X78.5008 Z0.94
G0 Z1.69
G40
G0 G42 X81.884 Y11.745 Z1.69
G1 X79.994 Z-0.005 F300.
X64.1515 F622.
Y0.375
X95.8365
Y11.745
X79.994
X79.619
X77.729 Z0.94
G0 Z1.69
G40
M15
M12 M40
M25
M180
G79 G00 Z0
G79 G00 X0 Y0
M58 M68
M67
M30