STEP 5 Operations S5-95F
Loading and Transferring a Time (Coded)
LAD
Representation
STL CSF
Example
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A I 0.0
LIW22
SP T 10
NOP 0
NOP 0
LD T 10
TQW50
NOP 0
I 0.0
IW 22
QW 50
1
TV
BI
DE
RQ
T 10
Transfer
Load
QW 50
T 10
The contents of the memory location addressed with
T 10 are loaded into the accumulator in BCD code.
Then a transfer operation transfers the accumulator
contents to the process image memory location
addressed by QW50. A coding operation is possible
only indirectly for the graphic representation forms LAD
and CSF by assigning an address to output DE of a
timer or counter location. However, this operation can
be entered with a separate statement with STL.
I 0.0
QW 50
T 10
1
TV
BI
DE
RQ
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IW 22
Note
The timers are divided into two areas T 0 to T 63 and T 64 to T 127. Please note that
the timers are updated at different times:
• Timers T 0 to T 63 are updated by the operating system always when you scan the
timer in the control program.
• Timers T 64 to T 127 are updated by the operating system always prior to
processing of OB1. The timers are not updated during the start-up organization
blocks OB21/OB22.
8-14
EWA 4NEB 812 6210-02
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