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SYSMAC C20P
Omron SYSMAC C20P User Manual
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153
SECTION 8
T
r
oubleshooting
8–1
Introduction
154
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8–2
Reading and Clearing Errors and Messages
154
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8–3
Error Messages
154
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8–4
Error Flags
156
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
159
161
Table of Contents
Default Chapter
4
About this Manual
4
Table of Contents
5
Precautions
8
Intended Audience
9
General Precautions
9
Safety Precautions
9
Operating Environment Precautions
9
Application Precautions
10
SECTION 1 - Background
11
Introduction
12
Relay Circuits: the Roots of PC Logic
12
PC Terminology
13
OMRON Product Terminology
14
Overview of PC Operation
14
Peripheral Devices
16
Available Manuals
17
SECTION 2 - Hardware Considerations
18
Introduction
19
Indicators
19
PC Configuration
19
SECTION 3 - Memory Areas
20
Introduction
21
Data Area Structure
21
IR Area
24
SR Area
33
Battery Alarm Flag
33
Scan Time Error Flag
33
High-Speed Drum Counter Reset
33
Clock Pulse Bits
33
Error Flag er
34
Always off and Always on Flags
34
First Scan Flag
34
Arithmetic Flags
34
DM Area
35
HR Area
35
TC Area
35
TR Area
36
SECTION 4 - Programming
37
Introduction
38
Instruction Terminology
38
The Ladder Diagram
38
Basic Terms
39
Ladder Instructions
40
Logic Block Instructions
41
Branching Instruction Lines
42
Jumps
47
Controlling Bit Status
48
OUT and out NOT
48
Differentiate up and Differentiate down
49
Keep
49
Self-Maintaining Bits
50
The End Instruction
50
Programming Precautions
51
Program Execution
52
SECTION 5 - Instruction Set
53
Introduction
54
Notation
54
Instruction Format
54
Data Areas, Definer Values, and Flags
55
Ladder Diagram Instructions
55
Load, Load NOT, AND, and NOT, OR, and or NOT
56
AND Load and or Load
57
Bit Control Instructions
57
Output and Output NOT - out and out NOT
57
Differentiate up and down - DIFU(13) and DIFD(14
58
Differentiate up and down - DIFU(13) and DIFD(14)
58
Keep - KEEP(11)
59
Interlock and Interlock Clear - IL(02) and ILC(03)
61
Interlock and Interlock Clear - IL(02) and ILC(03
61
Jump and Jump End - JMP(04) and JME(05)
63
End - END(01)
64
No Operation - NOP(00)
64
5-11 Timer and Counter Instructions
64
5-11-1 Timer - TIM
65
High-Speed Timer - TIMH(15)
69
5-11-3 Analog Timer Unit
69
5-11-4 Counter - CNT
72
Reversible Counter - CNTR(12)
75
High-Speed Counter - HDM(98)
76
5-12 Data Shifting
85
Shift Register - SFT(10)
86
Word Shift - WSFT(16)
88
5-13 Data Movement
89
Move - MOV(21)
89
Move NOT - MVN(22)
90
Data Compare - CMP
90
5-15 Data Conversion
92
BCD to Binary - bin(23)
92
Binary to BCD - BCD(24)
93
4-To-16 Decoder - MLPX(76)
93
Data Conversion
94
16-To-4 Encoder - DMPX(77)
95
5-16 BCD Calculations
97
BCD Add - ADD(30)
98
BCD Subtract - SUB(31)
100
Set Carry - STC(40)
101
Clear Carry - CLC(41)
101
SECTION 6 - Program Execution Timing
102
Introduction
103
Scan Time
103
Calculating Scan Time
105
Single PC Unit
105
PC with Additional Units
106
Instruction Execution Times
107
I/O Response Time
109
SECTION 7 - Program Input, Debugging and Execution
112
Introduction
113
Converting to Mnemonic Code
113
Program Memory Structure
113
Ladder Instructions
113
Logic Block Instructions
114
Coding Other Instructions
123
The Programming Console
128
The Keyboard
128
PC Modes
130
Preparation for Operation
131
Entering the Password
132
Clearing Memory
133
Inputting, Modifying, and Checking the Program
135
Setting and Reading from Program Memory Address
135
Inputting or Overwriting Programs
136
Checking the Program
139
Displaying the Scan Time
140
Program Searches
141
Inserting and Deleting Instructions
143
Program Backup and Restore Operations
147
Saving Program Memory Data
147
Restoring or Comparing Program Memory Data
148
Debugging
150
Monitoring Operation and Modifying Data
151
Bit/Digit Monitor
152
Force Set/Reset
155
Hexadecimal/Bcd Data Modification
158
Changing Timer/Counter SV
158
SECTION 8 - Troubleshooting
161
Introduction
161
Reading and Clearing Errors and Messages
161
Error Messages
161
Error Flags
163
Appendix
164
Standard Models
164
Special Units
168
Basic Instructions
172
Special Instructions
173
Programming Console Operations
177
D - Error and Arithmetic Flag Operation
186
E - Binary-Hexadecimal-Decimal Table
187
F - Word Assignment Recording Sheets
188
G - Program Coding Sheet
193
Glossary
195
Index
208
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Omron SYSMAC C20P Specifications
General
Brand
Omron
Model
SYSMAC C20P
Category
Controller
Language
English
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