HEIDENHAIN TNC 426 PB - Key Symbols for Machine Functions

2 – 18 HEIDENHAIN Technical Manual TNC 426, TNC 430
Key symbols for machine functions
Key Designation
Print/Background
Id. Nr.
Key Designation
Print/Background
Id. Nr.
Special function
Black/Gray
330 816-0X
Function A
White/Black
330 816-30
Function B
White/Black
330 816-31
Function C
White/Black
330 816-32
Function 1
Black/Gray
330 816-73
Function 2
Black/Gray
330 816-74
Function 3
Black/Gray
330 816-75
Function 4
Black/Gray
330 816-76
Function 5
Black/Gray
330 816-77
Unlock door
Black/Gray
330 816-78
Unlock door
Black/Gray
330 816-79
Coolant
Black/Gray
330 816-80
Coolant (internal)
Black/Gray
330 816-0S
Coolant (external)
Black/Gray
330 816-0T
Rinse water jet
Black/Gray
330 816-81
Spotlight
Black/Gray
330 816-82
Chip removal
Black/Gray
330 816-83
Chip conveyor
Black/Gray
330 816-84
Tool change
Black/Gray
330 816-89
Tool changer left
Black/Gray
330 816-85
Tool changer right
Black/Gray
330 816-86
Unlock tool
Black/Gray
330 816-87
Unlock tool
Black/Gray
330 816-88
Lock tool
Black/Gray
330 816-94
Lock tool
Black/Gray
330 816-0U
Retract axis
Black/Gray
330 816-91