HEIDENHAIN MANUALplus 620 Technical Manual page 1488

PLC functions of the
main menu
1488
The PLC processing time (time for a PLC cycle) is given as a percentage of the
maximum time: 100% is the equivalent of a run time of 1 ms at a cycle time
of 21 ms. Use the following formula to calculate the run time t
function of the PLC cycle time t
Code length:
Length of the compiled sequential program in bytes.
Running PGM:
Name of the last compiled PLC program (program in process memory)
During switch-on, the control automatically compiles the program that was
selected in process memory before switch-off.
The files only become active after they have been compiled.
Trace PGM:
Name of the last program or file opened with the TRACE function
Editor PGM:
Name of the program or file in the editor's main memory
From the PLC main menu you can use soft keys to access the following PLC
functions:
Soft key Function
Edit the file located in RAM memory
Compile the PLC program
Display the states of the symbolic operands (new
programming interface)
Display the states of the selected operands in a
table
Display the logical states of the PLC operands
(M/I/O/T/C/B/W/D)
Display the TRACE function
Call the diagnostic functions
Exit the PLC programming mode
[ms] and the processing time t
PLC
⋅
t t
-------------------- -
PLC calc.
=
t
run
21
HEIDENHAIN Technical Manual MANUALplus 620
[ms] as a
run
[%]:
calc.
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