HEIDENHAIN TNC 155 W - Output of S- and T-functions

3.4.2
Output of S- and T-functions within Tool Call-block
The output of S- and/or T-functions with the gating signals can be either inhibited through relevant machine
parameters in the initial dialogue or programmed for output of an S-Analogue voltage with up to 8 gear ratios.
Timing diagram
Start
J
T-Code, static ~
-r
I
,
S-Code, static
8 bit parallel BCD
- 8 bit parallel BCD
1
h/l
PI 20 T-Strobe
I----
I-
1 /
I
/ I
I
I
I-
MP 121
MP120
-I-
- S-Strobe
’ /
I
MP 121
-
I-
MP 122
MP 122
1 :
*
4
Please note:
The programmed time in machine parameter 121 must be less than the time in machine parameter 122.
16