Index-11
S7-200 Programmable Controller, CPU 210
C79000-G7076-C235-01
T
Terminating the main program segment, 5-11
Time of last scan, stored in special memory (SM),
B-2
Timer instructions, 5-6–5-7
accessing the current value, 4-13
addressing, 4-13
current value, 4-13, 5-6
device number, 4-12
example, 5-7
On-Delay Timer, 5-6
resetting, 5-6
resolution, 5-6
updating the time value, 5-6
Transporting a program to the CPU 210,
2-10–2-12
Troubleshooting
compile errors, C-1
error handling, 2-17–2-19, C-2
error handling for the CPU 210, C-2
fatal errors, 2-17–2-19, C-1
non-fatal errors, 2-18, C-1
powering up with an empty memory cartridge,
2-12
STEP 7-Micro/WIN installation, 2-2
U
Unconditional End (MEND) instruction, 4-5, 5-11
Up/Down Counter (CTUD) instruction, 5-8
User manual, order number, F-1
Using the Ladder Editor, 3-15–3-20
V
Valid ranges for CPU 210, 1-3, 4-11–4-13, 5-2
W
Watchdog Reset (WDR) instruction, 5-11–5-13
considerations, 5-11
Windows 3.1, installing STEP 7-Micro/WIN, 2-2
Windows 95, installing STEP 7-Micro/WIN, 2-2
Wiring
guidelines, 1-8–1-13
AC installation, 1-10
DC installation, 1-10
optional field wiring connector, 1-10
order number, F-1
suppression circuits, 1-12–1-13
Wiring diagram
CPU 210 AC/AC/Relay, A-9
CPU 210 AC/DC/Relay, A-7
CPU 210 DC/DC/DC, A-5
PDS 210, A-11
Write (Status Chart option), 2-15
See also
Continuous read; Single read; Status
Chart
Writing to the outputs, 4-6–4-9
Writing values in a Status Chart, 2-15
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