HEIDENHAIN SW 548328-05 DIN Programming - Manual (Page 403)

HEIDENHAIN MANUALplus 620, CNC PILOT 620/640
403
4.32 Conditional bloc
k r
u
n SWITCH..CASE—program branching
The switch statement consists of the elements:
 SWITCH, followed by a variable. The content of the variable is
interrogated in the following CASE statement.
 CASE x: The CASE branch is run with the variable value x. CASE can
be programmed repeated times.
 DEFAULT: This branch is executed if no CASE statement matched
the variable value. DEFAULT can be omitted.
 BREAK: Concludes the CASE branch or DEFAULT branch.
Programming:
 Select "Extras > DINplus word...". The Control opens the "Insert DIN
PLUS word" selection list.

Select SWITCH.
 Enter the switch variable.
 For each CASE branch:
 Select CASE (in "Extras > DINplus word..."). )
 Enter the SWITCH condition (value of the variable) and
insert the NC blocks to be executed.

For the DEFAULT branch: Insert the NC blocks to be executed.
Example: SWITCH..CASE
. . .
N.. SWITCH #g201
N.. CASE 1 [executed if #g201=1] Executed if #g201=1
N.. G0 Xi10
. . .
N.. BREAK
N.. CASE 2 [executed if #g201=2]
Executed if #g201=2
N.. G0 Xi20
. . .
N.. BREAK
N.. DEFAULT
No CASE statement matched the variable value
N.. G0 Xi30
. . .
N.. BREAK
N.. ENDSWITCH
. . .