Siemens Simatic S5-101U - Program Start - up; Loading and Dumping a Program

4. Program Start =up
The hand-held PG 605U/615 programmer
The following settings are necessary
and the CRT-based PG 670 and PG 675
on the PG 670 and PG 675 programners
programmers can be used for loading
in conjunction with the
S5-1101 U pro-
and testing programs. grammable controller:
PG 670:
S5-150 AK S5-130 W
PG 675: S5-150 S NO
4.1
Loading and dumping a program
Fig. 14: Schematic of a program loading operation followed by the
dumping of the program in an EEPROM submodule
4.1
Before loading the program, the "ERASE
When the program has been loaded,
it
PROGRAM" function must be executed.
is transferred from the
programmer memory
This deletes to the internal memory of the
PC. If
- the internal program memory of the PC
an EEPROM submodule is plugged in, the
- the binary process I/O image
program is automatically dumped.
- all flags
Once the program has been transferred
- error identifiers and the causes of
to the PC memory,
it is no longer in
interrupts.
the programner memory and must be brought
back into the latter before program
corrections can be made*
(output
FBl/PBl) .
Dumping of the program in an EPROM sub-
module is possible on the PG 615 (with
adapter), PG 670 (with 984 adapter)
and PG 675 programmers.
To dump the program
in an EPROM sub-
module, proceed as shown in Fig. 14.
Put PC to STOP
r-------
* I
I Dump program
Erase program
I
t
I \Ir
Load program
I
Put PC to STOP
into
programmer
1
i
I $
I
Transfer pmgram
Carry out any
pro-
I
from programmer gram corrections
Transfer program'
from
PC to pro-
*
4
I
grammer
to PC
JI
JI - Transfer program' I Plug EEPROM
from PC to pro-
I
submodule in
Set PC to RUN
grammer
L *
JI 4
I r
I
Tmnsfer pmg-am
I
from programmer
Test pmgram
Set
PC to STOP
+
JI I
to Pc
'b
2
T
I \ . I . r
Is program execu-
I
4
I
t ing properly?
I
J
R Necessary only in the case
of the
605U progmmmer End
Wait until program-
ming is completed