HEIDENHAIN TNC 150 B Manual page 25

C 1 .lO) Setting and resetting of a ma.rker
With the aid of the command S or SN, a marker can be set, cependent upon the preceding logic result.
With the aid of the command R or RN, a marker can be rese.:, dependent uipon the preceding logic result.
Function
1
Ybbreviation
Set marker or output
if previous gating result
is "1 "
-
Set marker or output
if previous gating result
is "0"
S
SN
Reset marker or output
if previous gating result
is "1 "
-
Reset marker or output
if previous gating result
is "0"
-
R
RN
Examples:
a)
Setting a marker
Symbol
-
L
PLC-Programme
U El
U Ml0
S Ml5
U El
U Ml1
SN Ml6
U Ml0
R Ml6
U Ml1
RNM15
PLC-Programme:
U E'25
U M33
u M61
S M300
If input 25 and markers 33 and 61 are logic "I",
then marker 300 will be set to "1". In contrast to the
= - functions, marker 300 remains set even if the logic resul? in the next PLC-programme cycle produces logic
"0". Normally, the marker is reset by the command R or R~\I.
b)
Resetting of a memory location
PLC-Programme:
u El8
U E39
R M300
23