Meaning of G functions

No.

DIN/ISO code

Description

TwinCAT / ISG Code

Conformity check

1

G00

Rapid traverse

G00

compliant

2

G01

Linear interpolation with programmed feed rate

G01

compliant

3

G02

Clockwise circular interpolation with programmed feed rate

G02

compliant

4

G03

Anti-clockwise circular interpolation with programmed feed rate

G03

compliant

5

G04

Programmable dwell time

G04

compliant

6

G05

Not assigned

G05

Direct tangential selection/deselection of tool radius compensation

7

G06

Selecting spline interpolation

G151

compliant

8

G07

Not assigned

Not assigned

 

9

G08

Acceleration at block start

G08

compliant

10

G09

Deceleration at block end

G09

compliant

11

G10

Not assigned

G10

Constant feed rate with tool radius compensation

12

G11

Not assigned

G11

Adapted feed rate with tool radius compensation

13

G12

Not assigned

G12

Deselect corner deceleration

14

G13

Not assigned

G13

Select corner deceleration

15

G14

Not assigned

Not assigned

 

16

G15

Not assigned

Not assigned

 

17

G16

Not assigned

Not assigned

 

18

G17

Select working plane XY

G17

compliant

19

G18

Select working plane ZX

G18

compliant

20

G19

Select working plane YZ

G19

compliant

21

G20

Not assigned

G20

Deselect mirroring

22

G21

Not assigned

G21

Mirroring programmed path on the Y axis

23

G22

Not assigned

G22

Mirroring programmed path on the X axis

24

G23

Not assigned

G23

Superimposing G21 and G22

25

G24

Not assigned

Not assigned

 

26

G25

Not assigned

G25

Linear transitions with TRC

27

G26

Not assigned

G26

Circular transitions with TRC

28

G27

Not assigned

Not assigned

 

29

G28

Not assigned

Not assigned

 

30

G29

Not assigned

Not assigned

 

31

G30

Not assigned

Not assigned

 

32

G31

Not assigned

Not assigned

 

33

G32

Not assigned

Not assigned

 

34

G33

Thread cutting, constant pitch

G33

compliant

35

G34

Thread cutting, increasing pitch

Not assigned

 

36

G35

Thread cutting, decreasing pitch

Not assigned

 

37

G36

Not assigned

Not assigned

 

38

G37

Not assigned

Not assigned

 

39

G38

Not assigned

Not assigned

 

40

G39

Not assigned

Not assigned

 

41

G40

Deactivate tool radius compensation

G40

compliant

42

G41

Activate tool radius compensation on left of contour

G41

compliant

43

G42

Activate tool radius compensation on right of contour

G42

compliant

44

G43

Not assigned

Not assigned

 

45

G44

Not assigned

Not assigned

 

46

G45

Not assigned

Not assigned

 

47

G46

Not assigned

Not assigned

 

48

G47

Not assigned

Not assigned

 

49

G48

Not assigned

Not assigned

 

50

G49

Not assigned

Not assigned

 

51

G50

Not assigned

Not assigned

 

52

G51

Not assigned

G51

Selection of diameter programming

53

G52

Not assigned

G52

Deselection of diameter programming

54

G53

Cancel zero offset

G53

compliant

55

G54

Select zero offset 1

G54

compliant

56

G55

Select zero offset 2

G55

compliant

57

G56

Select zero offset 3

G56

compliant

58

G57

Select zero offset 4

G57

compliant

59

G58

Select zero offset 5

G58

compliant

60

G59

Select zero offset 6

G59

compliant

61

G60

Not assigned

G60

Exact stop (stop at block end, then continue motion in next block)

62

G61

Not assigned

G61

Select polynomial contouring

63

G62

Not assigned

Not assigned

 

64

G63

Tapping

G63

compliant

65

G64

Not assigned

Not assigned

 

66

G65

Not assigned

Not assigned

 

67

G66

Not assigned

Not assigned

 

68

G67

Not assigned

Not assigned

 

69

G68

Not assigned

Not assigned

 

70

G69

Not assigned

Not assigned

 

71

G70

Inputs in inch (inch)

G70

compliant

72

G71

Inputs in metric units

G71

compliant

73

G72

Not assigned

Not assigned

 

74

G73

Not assigned

Not assigned

 

75

G74

Homing

G74

compliant

76

G75

Not assigned

Not assigned

 

77

G76

Not assigned

Not assigned

 

78

G77

Not assigned

Not assigned

 

79

G78

Not assigned

Not assigned

 

80

G79

Not assigned

Not assigned

 

81

G80

End machining cycle

G80 or not assigned

Implicit subroutine call (if name was configured)

82

G81

Drilling, centring cycle

G81 or not assigned

Implicit subroutine call (if name was configured)

83

G82

Drilling, spot facing cycle

G82 or not assigned

Implicit subroutine call (if name was configured)

84

G83

Deep hole drilling, chip breaking cycle

G83 or not assigned

Implicit subroutine call (if name was configured)

85

G84

Thread tapping cycle

G84 or not assigned

Implicit subroutine call (if name was configured)

86

G85

Boring 1 cycle

G85 or not assigned

Implicit subroutine call (if name was configured)

87

G86

Boring 2 cycle

G86 or not assigned

Implicit subroutine call (if name was configured)

88

G87

Boring 3 cycle

G87 or not assigned

Implicit subroutine call (if name was configured)

89

G88

Boring 4 cycle

G88 or not assigned

Implicit subroutine call (if name was configured)

90

G89

Boring 5 cycle

G89 or not assigned

Implicit subroutine call (if name was configured)

91

G90

Absolute dimension

G90

compliant

92

G91

Incremental dimension

G91

compliant

93

G92

Reference point offset

G92

compliant

94

G93

Inverse-time feed rate in 1/mm

G93

Machining time in seconds

95

G94

Feed rate in mm/min, inch/min, degrees/min

G94

compliant

96

G95

Feed rate in mm/revolution, inch/revolution

G95

compliant

97

G96

Constant cutting speed m/min

G96

compliant

98

G97

Spindle speed in rpm.

G97

compliant

99

G98

Not assigned

G98

Setting negative software limit switch

100

G99

Not assigned

G99

Setting positive software limit switch

End of DIN/ISO definition