Siemens Simatic S7-200 System Manual page 471

Network
biasing, 9-7
cable connections, 9-9
cable specifications, 9-8
communication port, 9-6
communications setup, 3-7–3-24
components, 9-6
connectors, 9-7
device address, 9-2
find/replace, 5-19
gap update factor (GUF), 9-31
highest station address (HSA), 9-31
installing communications hardware,
3-4–3-6
limitations, 9-28
master devices, 9-2
multiple master, 9-13
optimizing performance, 9-31
performance, 9-28
repeaters, 9-8
segments, 9-2
selecting the parameter set, 3-12
sending messages, 9-29
slave devices, 9-2
terminating, 9-7
token rotation time, 9-29–9-32
using non-SIMATIC master devices, 9-24
Network Read instruction, 10-133
errors, 10-133
example, 10-134–10-136
Network Write instruction, 10-133
errors, 10-133
example, 10-134–10-136
Next instruction, 10-90
No Operation instruction, 10-11
Noise rejection, input filter, 8-5
Non-fatal errors
and CPU operation, 6-20
system response, 6-20
North American installation, guidelines, 2-12
Not instruction, 10-5
Not the Only Master Active check box, 3-17
Null modem adapter, 3-19–3-20, 9-12
Numbers
representation of, 7-3
using constant values, 7-8
O
OB1 (user program), 3-27
On-Delay Timer instruction, 10-13
S7-200 Programmable Controller System Manual
C79000-G7076-C230-02
On-Delay Timer Retentive instruction, 10-13
Online help, STEP 7-Micro/WIN, 3-1
Operand ranges, CPU 212/214/215/216, 10-3
Operation modes
and force function, 6-17
and Freeport communication, 10-124
changing, 6-13
changing CPU to RUN in sample program,
4-15
status bits, D-1
Operator interface, TD 200, 5-2
Operator stations, specifying, 6-3
Or Byte instruction, 10-102
Or Double Word instruction, 10-104
Or Load instruction, 10-99–10-101
Or Word instruction, 10-103
Order numbers, G-1
Orientation of the module, 2-5–2-8
Output (coil) instruction, 10-10
Output block diagram, EM235, A-74
Output buffer, CPU 215, 9-18, 9-21
Output data word format, EM235, A-74
Output image register, 6-12
Output immediate instruction, 10-10
Output instructions, 10-10–10-12
example, 10-12
No Operation, 10-11
Output (coil), 10-10
Output immediate, 10-10
Reset, 10-10
Reset Immediate, 10-11
Set, 10-10
Set immediate, 10-11
Output table, configure output states, 8-6
Outputs
basic operation, 6-4
freezing, 8-6
high-speed pulse, 8-7
P
Panel
dimensions
CPU 212, 2-3
CPU 214, 2-3
CPU 215, 2-4
CPU 216, 2-4
expansion modules, 2-4
installation procedure, 2-5
expansion cable, 2-5–2-7
removal procedure, 2-7
Index
Index-21