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SECTION 3
Memory Areas
Various types of data are required to achieve effective and correct control. To facilitate managing this data, the PC is pro-
vided with various memory areas for data, each of which performs a different function. The areas generally accessible
by the user for use in programming are classified as data areas. The other memory area is the Program Memory, where
the user’s program is actually stored. This section describes these areas individually and provides information that will be
necessary to use them. As a matter of convention, the TR area is described in this section, even though it is not strictly a
memory area.
3-1
Introduction
16
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3-2
Data Area Structure
16
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3-3
IR (Internal Relay) Area
18
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3-4
SR (Special Relay) Area
20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4-1
Remote I/O Systems
22
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3-4-2
Link System Flags and Control Bits
23
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4-3
Forced Status Hold Bit (CPU11-E Only)
27
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3-4-4
I/O Status Hold Bit
28
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3-4-5
Output OFF Bit
29
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4-6
FAL (Failure Alarm) Area
30
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4-7
Low Battery Flag
30
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4-8
Cycle Time Error Flag
30
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4-9
I/O Verification Error Flag
30
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4-10
First Cycle Flag
30
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4-11
Clock Pulse Bits
30
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4-12
Step Flag
31
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3-4-13
Instruction Execution Error Flag, ER
31
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4-14
Arithmetic Flags
31
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3-5
AR (Auxiliary Relay) Area
32
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-1
Optical Transmitting I/O Unit Error Flags
33
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3-5-2
SYSMAC LINK System Data Link Settings
34
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-3
Error History Bits (CPU11-E Only)
34
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-4
Active Node Flags (CPU11-E only)
34
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-5
SYSMAC LINK/SYSMAC NET Link System Service Time (CPU11-E only)
35
. .
3-5-6
Calendar/Clock Area and Bits (CPU11-E Only)
35
. . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-7
TERMINAL Mode Key Bits (CPU11-E Only)
36
. . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-8
Power-OFF Counter
36
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-9
CPU Low Battery Flag (CPU11-E Only)
37
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-10
SCAN(18) Cycle Time Flag (CPU11-E Only)
37
. . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-11
Network Parameter Flags
37
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-12
Link Unit Mounted Flags
37
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-13
CPU-mounting Device Flag
37
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-14
FALS-generating Address
37
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-15
Cycle Time Indicators
37
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-6
DM (Data Memory) Area
38
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-7
HR (Holding Relay) Area
40
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-8
TC (Timer/Counter) Area
40
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-9
LR (Link Relay) Area
41
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-10 Program Memory
42
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3-11 TR (Temporary Relay) Area
42
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Содержание SYSMAC C200H
Страница 1: ...OPERATION MANUAL C200H CPU01 E 03 E 11 E SYSMAC Programmable Controllers Cat No W130 E1 05 ...
Страница 2: ...C200H Programmable Controllers CPU01 E 03 E 11 E Operation Manual Revised June 2003 ...
Страница 3: ...iv ...
Страница 5: ...vi ...
Страница 8: ...TABLE OF CONTENTS ix Glossary 345 Index 363 Revision History 369 ...
Страница 342: ...336 Programmer Program Date Page Word Contents Notes Word Contents Notes Data Storage ...
Страница 374: ...Cat No W130 E1 05 C200H Programmable Controllers CPU01 E 03 E 11 E OPERATION MANUAL ...