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ABOUT THIS MANUAL
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ABOUT THIS MANUAL
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About this Manual
This manual serves to explain the specifications and functions of the Q2ACPU(S1),
Q3ACPU, and Q4ACPU (abbreviated as QnACPU hereafter), the specifications of other
modules, and the maintenance required for smooth system operation, to users of
MELSEC-QnA series programmable controllers.
It is divided into the following three main parts:
REMARK
This manual does not cover MELSECNET(II) data link systems, MELSECNET/B data
link systems, MELSECNET/10 networks, or the SFC function.
For details on each function, refer to the following manuals.
• MELSECNET(II), MELSECNET/B Data Link
MELSECNET, MELSECNET/B Data Link System Reference Manual
• MELSECNET/10 Network
MELSECNET/10 Network System Manual for QnA/Q4AR
• SFC Function
QCPU (Q Mode)/QnACPU Programming Manual (SFC)
(1) Sections 2 and 3
These sections give the general description and system
configuration for the QnACPU.
Read them to learn the features of QnACPU, and the modules
that can be used and points to note when configuring a system.
(2) Sections 4 to 15
These sections give the specifications and functions of
QnACPU.
They describe each QnACPU function to enable you to use the
QnACPU effectively.
(3) Sections 16 to 18 These sections describe the specifications and handling of units/
modules other than the CPU module (power supply module,
base units, etc.).
Read them to learn how to handle the power supply module,
base units, memory cards, etc.
(4) Sections 19 to 20 These sections describe the loading and installation, EMC and
low voltage directives.
(5) Sections 21 to 22 These sections describe all aspects of maintenance, from
installing the QnACPU to daily inspections and troubleshooting.
Read them to learn how to install the QnACPU so as to ensure
smooth operation, and how to carry out daily inspections and
corrective action in the event of trouble.
Summary of Contents for Q2ACPU
Page 1: ......
Page 2: ......
Page 221: ...12 12 12 OVERVIEW OF PROCESSING PERFORMED BY THE QnACPU ...
Page 222: ...12 13 12 OVERVIEW OF PROCESSING PERFORMED BY THE QnACPU ...
Page 237: ...12 28 12 OVERVIEW OF PROCESSING PERFORMED BY THE QnACPU MEMO ...
Page 271: ...16 13 16 POWER SUPPLY MODULE 4 Names and description of parts of the A66P ...
Page 343: ...21 21 13 MAINTENANCE AND INSPECTION 21 4 2 Replacement of the fuse for an output module ...
Page 357: ...22 12 22 TROUBLESHOOTING ...
Page 359: ...22 14 22 TROUBLESHOOTING MEMO ...
Page 429: ...App 32 APPENDICES Trigonometric function Classification Symbol Description ...
Page 537: ...App 140 APPENDICES REMARK 1 Message 1 An error code is displayed in 2 Alert 1 3 Alert 2 ...
Page 539: ...App 142 APPENDICES 2 Q2ACPU Q2ACPU S1 modules Unit mm inch ...
Page 541: ...App 144 APPENDICES 2 A66P power supply module Unit mm inch ...
Page 543: ...App 146 APPENDICES 3 A35B base unit 4 A38B A38HB A38HBEU base unit Unit mm inch Unit mm inch ...
Page 567: ...MEMO ...
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