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Mitsubishi 00JCPU User Manual
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10
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1
CHAPTER10 CPU MODULE PROCESSING TIME
1
10
3
4
5
6
7
8
10.1 Scan Time
10.1.1 Scan time structure
CHAPTER10
CPU MODULE PROCESSING TIME
This chapter describes the CPU module processing time.
10.1
Scan T
ime
This section describes the scan time stru
ctures and CPU module processing time.
10.1.1
Scan time structure
A CPU module sequentially performs the
following processing in
the RUN status.
Scan time is the time requi
red for all pr
ocessing and executi
ons to be performe
d.
484
486
Table of Contents
Default Chapter
3
Safety Precautions
3
Installation Precautions
6
Conditions of Use for the Product
11
Revisions
12
Introduction
13
Table of Contents
14
Manuals
20
Manual Page Organization
22
Generic Terms and Abbreviations
24
Chapter1 Overview
26
Processing Order in the CPU Module
26
Storing and Executing Programs
27
Structured Programming
28
Devices and Instructions Useful for Programming
31
Features
36
Features of the Basic Model QCPU
36
Features of the High Performance Model QCPU
38
Features of the Process CPU
40
Features of the Redundant CPU
42
Checking Serial Number and Function Version
44
Chapter2 Sequence Programs
46
Sequence Program Overview
46
Sequence Program Configuration
48
Main Routine Program
48
Main Routine Program
49
Subroutine Program
50
Interrupt Program
51
Settings When Program Is Divided
59
Initial Execution Type Program
63
Initial Execution Type Program
64
Scan Execution Type Program
64
Scan Execution Type Program
67
Low-Speed Execution Type Program
68
Stand-By Type Program
76
Fixed Scan Execution Type Program
81
Changing the Program Execution Type
85
Data Used in Sequence Programs
87
BIN (Binary Code)
90
HEX (Hexadecimal)
91
BCD (Binary-Coded Decimal)
92
Real Number (Floating-Point Data)
93
Character String Data
96
Chapter3 Cpu Module Operation
97
Initial Processing
97
I/O Refresh (Refresh Processing with Input/Output Modules)
98
Program Operation
98
END Processing
99
Operation Processing in the RUN, STOP, or PAUSE Status
100
Operation Processing During Momentary Power Failure
102
Data Clear Processing
103
I/O Processing and Response Delay
105
Refresh Mode
106
Direct Mode
110
Chapter4 Assignment Of Base Unit and I/Onumber
113
Base Unit Assignment
113
Base Mode
113
Base Unit Assignment Setting
114
I/O Number Assignment
116
Concept of I/O Number Assignment
117
Setting I/O Numbers
120
I/O Number Setting Example
126
Checking I/O Numbers
129
Chapter5 Memories And Files Used for Cpu Module
130
Memories Used for Basic Model QCPU
130
Memory Composition and Storable Data
130
Program Memory
132
Standard ROM
135
Standard RAM
136
Operating and Writing Programs in the Standard ROM (Boot Operation)
138
Memories Used for High Performance Model QCPU, Process CPU, and Redundant CPU
142
Memory Composition and Storable Data
142
Program Memory
145
Standard ROM
148
Standard RAM
149
Memory Card
151
Writing to the Standard ROM and Flash Card by GX Developer
155
Automatic All Data Write from Memory Card to Standard ROM
160
Operating the Program in the Standard ROM and Memory Card (Boot Operation)
163
Details of Written Files
168
Specifying Valid Parameters (Parameter-Valid Drive Setting)
169
Program File Structure
170
File Operations by GX Developer and Handling Precautions
172
File Operations
172
Precautions for Handling Files
173
File Size
174
Units of File Sizes
177
Chapter6 Functions
181
Function List
181
Constant Scan
184
Latch Function
188
Output Mode at Operating Status Change (STOP to RUN)
191
Clock Function
194
Remote Operation
199
Remote RUN/STOP
199
Remote PAUSE
202
Remote RESET
205
Remote Latch Clear
209
Relationship between Remote Operation and RUN/STOP Status of the CPU Module
211
Q Series-Compatible Module Input Response Time Selection (I/O Response Time)
212
Error Time Output Mode Setting
214
H/W Error Time PLC Operation Mode Setting
215
Intelligent Function Module Switch Setting
216
Monitor Function
218
Local Device Monitor/Test
218
Monitor Condition Setting
218
External Input/Output Forced On/Off
229
Writing Programs While CPU Module Is in RUN Status
234
Online Change (Files)
234
Online Change (Ladder Mode)
234
Online Change (Files)
238
Execution Time Measurement
245
Program Monitor List
245
Scan Time Measurement
246
Debug Function from Multiple GX Developers
267
Simultaneous Monitoring from Multiple Gx Developers Function
267
Watchdog Timer (WDT)
271
Self-Diagnostic Function
273
Basic Model QCPU
274
System Protection
287
Password Registration
287
Remote Password
293
System Display of CPU Module with GX Developer
295
LED Display
300
Appendix 2.2
239
Precautions for Online Change
240
Methods for Turning off the Leds
301
Led Indication Priority
302
High Speed Interrupt Function
305
High Speed Interrupt Program Execution Function
305
High Speed I/O Refresh and High Speed Buffer Transfer Functions
305
Processing Time
309
Restrictions
311
Interrupt from Intelligent Function Module
314
Serial Communication Function
315
Chapter 9 Devices
319
Input (X)
319
Output (Y)
319
Internal Relay (M)
319
Latch Relay (L)
319
Annunciator (F)
319
Edge Relay (V)
319
Link Relay (B)
319
Link Special Relay SB
319
Step Relay (S)
399
Timer (T)
400
Counter (C)
409
Data Register (D)
415
Link Register (W)
416
Link Special Register (SW)
418
Internal System Devices
419
Function Devices (FX, FY, FD)
419
Special Relay (SM)
422
Special Register (SD)
423
Link Direct Device
424
Module Access Devices
428
Intelligent Function Module Device
428
Cyclic Transmission Area Device
431
Index Register (Z)
432
Switching between the Scan Execution Type and Low-Speed Execution Type Programs
434
Interrupt/Fixed Scan Execution Type Program
437
File Register (R)
439
File Register Data Storage Location
440
File Register Size
440
Differences in Available Accesses by Storage Memory
441
Registration Procedure for the File Register
442
Specification Methods of the File Register
448
Precautions for Using the File Register
449
Nesting (N)
452
Pointer (P)
453
Local Pointer
454
Common Pointer
456
Interrupt Pointer (I)
459
List of Interrupt Pointer Numbers and Interrupt Factors
461
Other Devices
468
Network No. Specification Device (J)
468
SFC Block Device (BL)
468
SFC Transition Device (TR)
468
I/O No. Specification Device (U)
469
Macro Instruction Argument Device (VD)
470
Constants
471
Decimal Constant (K)
471
Hexadecimal Constant (H)
471
Real Number (E)
472
Character String (" ")
473
Convenient Usage of Devices
474
Global Device
474
Local Device
475
Chapter 8 Parameters
319
Chapter 7 Communications with Intelligent Function Module
319
Chapter10 Cpu Module Processing Time
485
Scan Time Structure
485
Time Required for each Processing Included in Scan Time
490
Factors that Increase the Scan Time
499
Factors that Shorten the Scan Time
504
Chapter 11 Procedures for Writing Program to Cpu Module
507
Basic Model QCPU
507
Items to be Considered for Creating Programs
507
Hardware Check
508
Procedure for Writing a Program
510
Procedure for Boot Operation
512
High Performance Model QCPU, Process CPU, and Redundant CPU
513
Items to be Considered for Creating Programs
513
Hardware Check
514
Procedure for Writing One Program
516
Procedure for Writing Multiple Programs
518
Procedure for Boot Operation
521
Appendices
522
Appendix 1 List of Parameter Numbers
522
Appendix 2 Upgrade by Function Addition
526
Appendix 2.1 Upgrade of the Basic Model QCPU
526
Appendix 2.2 Upgrade of the High Performance Model QCPU
529
Appendix 2.3 Upgrade of the Process CPU
531
Appendix 2.4 Upgrade of the Redundant CPU
532
Appendix 3 Device Point Assignment Sheet
533
4
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Mitsubishi 00JCPU Specifications
General
Brand
Mitsubishi
Model
00JCPU
Category
Controller
Language
English
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