Siemens SIMATIC S7-200 System Manual page 593

Interrupts
and scan cycle, 4-24
bit definitions for queue overflow, 9-176
CPU 221/222/224/226, 8-7
data shared with main program, 9-172
enabling and disabling, 9-173
event types and numbers
CPU 221/222/224/226, 9-170
priority, 9-177
High-Speed Counter, 9-39
HSC, 9-39
I/O, 9-173
priority, 9-176
queues, 9-176
restrictions for using, 9-171
rising/falling edge, 9-173
routines, 9-171
setting up, 9-169
system support, 9-171
timed, 9-175, C-8
set up to read analog input, 9-179
Invert Byte instruction, 9-118
Invert Double Word instruction, 9-118
Invert Word instruction, 9-118
Isolated DC wiring guidelines, 2-14
J
Jump to Label instruction, 9-148
L
Label instruction, 9-148
Ladder logic
basic elements, 4-6
program status, 4-32
Ladder Logic Editor, 4-8
Last-In-First-Out instruction, 9-112
Load Stack instruction, 9-198–9-200
Local I/O, addressing, 6-2
S7-200 Programmable Controller System Manual
A5E00066097-02
Logic Operations instructions
And, 10-25
And Byte, 9-114
And Double Word, 9-116
And Word, 9-115
example
And, Or, Exclusive Or, 9-117–9-119,
10-26–10-28
Invert, 9-119–9-121
Exclusive Or, 10-25
Exclusive Or Byte, 9-114
Exclusive Or Double Word, 9-116
Exclusive Or Word, 9-115
Invert Byte, 9-118
Invert Double Word, 9-118
Invert Word, 9-118
Not, 10-26
Or, 10-25
Or Byte, 9-114
Or Double Word, 9-116
Or Word, 9-115
Logic Pop instruction, 9-198–9-200
Logic Push instruction, 9-197–9-199
Logic Read instruction, 9-197–9-199
Logic stack, Sequence Control Relays (SCRs),
9-157
Logic Stack instructions
And Load, 9-197–9-199
example, 9-200–9-202
Load Stack, 9-198–9-200
Logic Pop, 9-198–9-200
Logic Push, 9-197–9-199
Logic Read, 9-197–9-199
operation, 9-198
Or Load, 9-197–9-199
Logical connections, MPI, 7-30
Index
Index-13