Siemens Simatic S7-200 CPU 210 System Manual page 134

Index
scan times in special memory (SM), B-2
special memory (SM), B-1
specifications, A-10
DC input simulator, A-15
summary of features, 1-2
transporting a program to CPU 210,
2-10–2-12
Pin assignments, PC/PPI cable, A-14
Positive Transition (EU) instruction, 5-3
Potentiometer
analog adjustment
accessing the analog value, 4-12
changing the value, 4-16
nominal range, 4-16
sample program, 4-16
value stored in special memory (SM), B-2
location, 4-16
value of analog adjustment, B-2
Power flow, effect on execution times, E-1
Powering up with an empty memory cartridge,
2-12
PPI (point-to-point interface), communications,
2-3
Preferences, setting in STEP 7-Micro/WIN, 2-5
Product overview
CPU 210, 1-1–1-4
PDS 210, 1-1–1-4
Program
addressing bit memory (M), 4-12
addressing special memory (SM), 4-12
addressing the inputs, 4-12
addressing the outputs, 4-12
boxes, 4-9
coils, 4-9
compiling, 2-8
concepts, 4-4
contacts, 4-9
creating, 2-7–2-11
creating a high-speed counter, 4-14–4-16,
5-16
debugging, 2-16
downloading, 2-10
ending the interrupt routine, 4-5
ending the main program segment, 4-5
examples
analog adjustment, 4-16
contact instructions, 5-4
counter, 5-8
high-speed counter, 4-14–4-16, 5-16
increment/decrement word, 5-9
interrupt routine, 4-14–4-16, 5-16
jump to label, 5-12
logic stack instructions, 5-13
main program end, 5-12
move word, 5-10
output instructions, 5-5
timer, 5-7
watchdog reset, 5-12
Index-8
executing, 4-6–4-9
guidelines and limitations for converting files,
D-2
high-speed counter example, 4-14–4-16, 5-16
importing files from STEP 7-Micro/DOS, D-1
languages, 4-9–4-11
monitoring, 2-16
networks, 4-9
sample program, 3-1–3-25
system requirements, 3-1
scan cycle, 4-6–4-9
PDS 210, 4-7–4-9
setting preferences, 2-5
structure, 4-5
viewing, 2-9
Program Control instructions, 5-11–5-12
End (MEND), 5-11
example
End (MEND), 5-12–5-14
jump to label, 5-12–5-14
watchdog reset, 5-12–5-14
Jump to Label, 5-12
Watchdog Reset (WDR), 5-11–5-13
Program development station. See PDS 210
Programming concepts, 4-4
Programming languages, 4-9–4-11
Programming software, order number, F-1
Project
creating, 2-6
sample program, 3-13
saving, 2-6
R
Ranges
analog adjustment value, 4-16, B-2
integer values, 4-11
Reading the inputs, 4-6–4-9
Status chart, 2-15
Reading values in a Status Chart
continuous read, 2-15
single read, 2-15
stop read option, 2-15
Removing the access cover, 1-7
Replacing elements in a program
ladder, 2-7, 3-16–3-20
STL, 2-8, 3-15
Reset (R) instruction, 5-5
Resetting the counter, 5-8
Resetting the timer, 5-6
Resolution of the timers, 5-6
Restarting the CPU, after a fatal error, 2-17–2-19
Restoring memory in the CPU 210, 2-12
Return from Interrupt (RETI) instruction, 4-5,
5-14–5-17
S7-200 Programmable Controller, CPU 210
C79000-G7076-C235-01