Lenze ETC Motion Control - Manual (Page 108)

CNC programming
G functions
G functions individual descriptions
3
3.2
3.2.2
l
108 EDSTCXN EN 2.0
3.2.2.9 G17, G18, G19 Plane selection
The preparatory functions G17 ... G19 are used to select the corresponding
plane for various functions, e.g. circular interpolation in two axes.
G17
G18
G19
Selected plane:
G17 X−Y plane
G18 X−Z plane
G19 Y−Z plane
The selected plane is valid modally in the program. "G17" is automatically
valid after the end of the program.
A plane must be selected when a program is first started. A standard default
setting is not provided.
G18 The plane Z−X is selected.
3.2.2.10 G20 Block jump, optionally with condition check
Program branching in a program with programming of the jump target and
an optional jump condition.
G20 X E
X Jump target
E Index of the Q−Bit (direct programming) or of the parameter field (indirect
programming) for the condition check.
With G20, a jump is programmed within a program. If the DIN address E is
also specified, the execution of the jump is made dependent on a condition.
If E is programmed directly, the function is time synchronized and the value
of E is interpreted as an index of a Q−Bit. The jump is only executed if the Q−Bit
is "1".
In the case of indirect programming, the jump is only executed if the
contents of the specified parameter is not equal to "0". A time
synchronization only takes place if it is a time synchronized parameter.
N20 G20 X50 After block 20, block 50 is processed.
G20 X1 E14 Continue with block 1 if the Q−Bit 14 contains a value not equal to 0.
Otherwise continue with the block after G20.
Syntax
Explanation
Example
Syntax
Meaning of the addresses
Explanation
Example