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SYSMAC C20K
Omron SYSMAC C20K User Manual
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Appendix B
Programming Instructions and Execution T
imes
181
Name
Mnemonic
Operands
Function
Symbol
RETURN
RET(93)
RET(93)
Indicates the end of a subroutine defi
-
nition.
None
I/O REFRESH
IORF(97)
IORF(97)
St
E
Refreshes I/O words between a speci-
fied range. Refreshes words in word
units.
St/E:
00 to 09
Refer to table at beginning of Appendix B for page references.
191
193
Table of Contents
Table of Contents
6
Default Chapter
8
About this Manual
8
General Precautions
10
Intended Audience
10
Operating Environment Precautions
10
Safety Precautions
10
Application Precautions
11
Background
13
Introduction
14
Relay Circuits: the Roots of PC Logic
14
PC Terminology
15
OMRON Product Terminology
15
Overview of PC Operation
16
Peripheral Devices
17
Available Manuals
18
Hardware Considerations
19
Introduction
20
Indicators
20
PC Configuration
20
Memory Areas
21
Introduction
22
Data Area Structure
22
Internal Relay (IR) Area
24
Output Bits
26
Special Relay (SR) Area
33
Arithmetic Flags
34
Data Memory (DM) Area
35
Holding Relay (HR) Area
35
Timer/Counter (TC) Area
35
Temporary Relay (TR) Area
36
Section 4 Writing and Inputting the Program
37
Writing and Inputting the Program
37
Introduction
38
Instruction Terminology
38
The Ladder Diagram
39
Basic Terms
40
Mnemonic Code
40
Ladder Instructions
42
Logic Block Instructions
44
Out and out Not
44
The End Instruction
44
Coding Multiple Right-Hand Instructions
51
Branching Instruction Lines
51
The Programming Console
56
The Keyboard
56
Pc Modes
57
Preparation for Operation
58
Clearing Memory
59
Entering the Password
59
Inputting, Modifying, and Checking the Program
61
Clearing Error Messages
61
Setting and Reading from Program Memory Address
62
Inputting or Overwriting Programs
63
Checking the Program
65
Displaying the Cycle Time
66
Program Searches
67
Inserting and Deleting Instructions
69
Controlling Bit Status
71
Self-Maintaining Bits (Seal)
72
Work Bits (Internal Relays)
73
Programming Precautions
75
Program Execution
77
Instruction Set
78
Introduction
79
Notation
79
Instruction Format
79
Data Areas, Definer Values, and Flags
80
Coding Other Instructions
80
Ladder Diagram Instructions
84
And Load and or Load
85
Bit Control Instructions
86
Differentiate up and Differentiate down
86
INTERLOCK and INTERLOCK CLEAR - IL(02) and ILC
89
JUMP and JUMP END - JMP(04) and JME(05
91
End - End
92
No Operation - Nop
92
Timer and Counter Instructions
93
Analog Timer Unit
98
Data Shifting
117
Data Movement
122
Data Compare - Cmp
123
Data Conversion
126
BCD Calculations
131
Subroutines
137
Step Instructions
139
Special Instructions
146
Program Execution Timing
148
Introduction
149
Cycle Time
150
Calculating Cycle Time
152
Single Pc Unit
152
Pc with Additional Units
153
Instruction Execution Times
154
I/O Response Time
156
Program Debugging and Execution
158
Introduction
159
Debugging
159
Monitoring Operation and Modifying Data
160
Program Backup and Restore Operations
168
Saving Program Memory Data
169
Troubleshooting
172
Introduction
173
Reading and Clearing Errors and Messages
173
Error Messages
173
Error Flags
175
A Standard Models
176
Appendix B Programming Instructions and Execution Times
183
Appendix B
190
High-Speed Drum Counter Hdm
190
End Wait Endw
191
Reversible Shift Register Sftr
191
Subroutine Enter Sbs
191
Subroutine Define Sbn
191
Return Ret
192
I/O Refresh Iorf
192
Programming Console Operations
193
Revision History
224
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Omron SYSMAC C20K Specifications
General
Brand
Omron
Model
SYSMAC C20K
Category
Controller
Language
English
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