Mitsubishi Electric MELSEC QCPU Manuals

Manuals and User Guides for Mitsubishi Electric MELSEC QCPU. We have 1 Mitsubishi Electric MELSEC QCPU manual available for free PDF download: User Manual

Mitsubishi Electric MELSEC QCPU User Manual (238 pages)

Brand: Mitsubishi Electric | Category: Controller | Size: 2.38 MB

Safety Instructions
2
Revisions
7
Table of Contents
8
Contents
13
About Manuals
16
How to Use this Manual
17
About the Generic Terms and Abbreviations
18
Overview
20
Features
22
Program Storage and Calculation
24
Convenient Programming Devices and Instructions
26
System Configuration
30
Q00Jcpu
30
Q00/Q01Cpu
32
Configuration of GX Developer
34
Performance Specification
37
Sequence Program Configuration & Execution Conditions
40
Sequence Program
40
Main Routine Program
42
Sub-Routine Programs
43
Interrupt Programs
44
Concept of Scan Time
48
Operation Processing
49
Initial Processing
49
I/O Refresh (I/O Module Refresh Processing)
50
Automatic Refresh of the Intelligent Function Module
50
END Processing
50
RUN, STOP, PAUSE Operation Processing
51
Operation Processing During Momentary Power Failure
52
Data Clear Processing
53
Input/Output Processing and Response Lag
54
Refresh Mode
54
Direct Mode
57
Numeric Values Which Can be Used in Sequence Program
59
BIN (Binary Code)
61
HEX (Hexadecimal)
62
BCD (Binary Coded Decimal)
63
Character String Data
64
Assignment of I/O Numbers
65
Relationship between the Number of Stages and Slots of the Expansion Base Unit
65
Q00Jcpu
65
Q00Cpu/Qo1Cpu
66
Installing Extension Base Units and Setting the Number of Stages
67
Base Unit Assignment (Base Mode)
68
What Are I/O Numbers
72
Concept of I/O Number Assignment
73
I/O Numbers of Main Base Unit and Extension Base Unit
73
Remote Station I/O Number
75
I/O Assignment by GX Developer
76
Purpose of I/O Assignment by GX Developer
76
Concept of I/O Assignment Using GX Developer
77
Examples of I/O Number Assignment
80
Checking the I/O Numbers
83
Files Handled by Basic Model Qcpu
84
About the Basic Model Qcpu's Memory
85
Program Memory
87
Executing Standard ROM Program (Boot Run) and Writing Program Memory to ROM
89
Executing Standard ROM Program
89
Write the Program Memory to ROM
91
About the Standard RAM
92
Program File Configuration
93
GX Developer File Operation and File Handling Precautions
94
File Operation
94
File Handling Precautions
95
File Size
96
Function
97
Function List
97
Constant Scan
98
Latch Functions
101
Setting the Output (Y) Status When Changing from STOP Status to RUN Status
103
Clock Function
105
Remote Operation
108
Remote RUN/STOP
108
Remote PAUSE
111
Remote RESET
113
Remote Latch Clear
115
Relationship of the Remote Operation and Basic Model QCPU RUN/STOP Switch
116
Selection of Input Response Time of the Q Series-Compatible Input Module and Interrupt Module (I/O Response Time)
117
Selection of Input Response Time of the Input Module
117
Selection of Input Response Time of the High-Speed Input Module
118
Selection of Input Response Time of the Interrupt Module
119
Setting the Switches of the Intelligent-Function Module
120
Writing Data in the Ladder Mode During the RUN Status
121
Multiple-User Monitoring Function
123
Watchdog Timer (WDT)
124
Self-Diagnosis Function
126
LED Display When Error Occurs
129
Cancel Error
129
Failure History
130
System Protect
131
Password Registration
131
GX Developer System Monitor
133
LED Display
135
Serial Communication Function (Usable with the Q00CPU or Q01CPU)
137
Communication with Intelligent Function Module
145
Communication between Basic Model QCPU and Q-Series Intelligent Function Modules
145
Initial Setting and Automatic Refresh Setting Using GX Configurator
146
Communication Using the Intelligent Function Module Device
148
Communication Using the Instructions Dedicated for Intelligent Function Modules
149
Communication Using FROM/TO Instruction
150
Parameter List
151
Devices
159
Device List
159
Internal User Devices
161
Inputs (X)
163
Outputs (Y)
166
Internal Relays (M)
168
Latch Relays (L)
169
Anunciators (F)
170
Edge Relay (V)
174
Link Relays (B)
175
Special Link Relays (SB)
176
Step Relays (S)
176
Timers (T)
177
Counters (C)
182
Data Registers (D)
186
Link Registers (W)
187
Special Link Registers (SW)
188
Internal System Devices
189
Function Devices (FX, FY, FD)
189
Special Relays (SM)
191
Special Registers (SD)
192
Link Direct Devices (J \ )
193
Intelligent Function Module Devices (U \G )
196
Index Registers (Z)
197
Switching between Main Routine/Sub-Routine Program and Interrupt Program
198
File Registers (R)
200
Nesting (N)
202
Pointers (P)
203
Interrupt Pointers (I)
204
Other Devices
206
Network No. Designation Device (J)
206
I/O No. Designation Device (U)
206
Macro Instruction Argument Device (VD)
207
Constants
208
Decimal Constants (K)
208
Hexadecimal Constants (H)
208
Character String ( " )
208
Processing Times of the Basic Model Qcpu
209
Scan Time Structure
209
Concept of Scan Time
210
Other Processing Times
213
Procedure for Writing Programs to Basic Model Qcpu
214
Items to Consider When Creating Program
214
Procedure for Writing Program to the Basic Model QCPU
215
Appendices
217
APPENDIX 1 Special Relay List
218
APPENDIX 2 Special Register List
221
Index
234

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