Mitsubishi Electric QA65B/QA68B Extension Base Unit User's Manual
Thank you for purchasing the Mitsubishi Electric programmable controller MELSEC-Q series.
Prior to use, please read this and relevant manuals thoroughly to fully understand the product.
| MODEL | QA65B-U |
| MODEL | 13JT32 |
| CODE | IB(NA)-0800157-G(1806)MEE |
CONDITIONS OF USE FOR THE PRODUCT
(1) Mitsubishi programmable controller ("the PRODUCT") shall be used in conditions;
- where any problem, fault or failure occurring in the PRODUCT, if any, shall not lead to any major or serious accident; and
- where the backup and fail-safe function are systematically or automatically provided outside of the PRODUCT for the case of any problem, fault or failure occurring in the PRODUCT.
(2) The PRODUCT has been designed and manufactured for the purpose of being used in general industries.
MITSUBISHI SHALL HAVE NO RESPONSIBILITY OR LIABILITY (INCLUDING, BUT NOT LIMITED TO ANY AND ALL RESPONSIBILITY OR LIABILITY BASED ON CONTRACT, WARRANTY, TORT, PRODUCT LIABILITY) FOR ANY INJURY OR DEATH TO PERSONS OR LOSS OR DAMAGE TO PROPERTY CAUSED BY the PRODUCT THAT ARE OPERATED OR USED IN APPLICATION NOT INTENDED OR EXCLUDED BY INSTRUCTIONS, PRECAUTIONS, OR WARNING CONTAINED IN MITSUBISHI'S USER, INSTRUCTION AND/OR SAFETY MANUALS, TECHNICAL BULLETINS AND GUIDELINES FOR the PRODUCT.
("Prohibited Application")
Prohibited Applications include, but not limited to, the use of the PRODUCT in;
- Nuclear Power Plants and any other power plants operated by Power companies, and/or any other cases in which the public could be affected if any problem or fault occurs in the PRODUCT.
- Railway companies or Public service purposes, and/or any other cases in which establishment of a special quality assurance system is required by the Purchaser or End User.
- Aircraft or Aerospace, Medical applications, Train equipment, transport equipment such as Elevator and Escalator, Incineration and Fuel devices, Vehicles, Manned transportation, Equipment for Recreation and Amusement, and Safety devices, handling of Nuclear or Hazardous Materials or Chemicals, Mining and Drilling, and/or other applications where there is a significant risk of injury to the public or property.
Notwithstanding the above, restrictions Mitsubishi may in its sole discretion authorize use of the PRODUCT in one or more of the Prohibited Applications, provided that the usage of the PRODUCT is limited only for the specific applications agreed to by Mitsubishi and provided further that no special quality assurance or fail-safe, redundant or other safety features which exceed the general specifications of the PRODUCTs are required.
For details, please contact the Mitsubishi representative in your region.
REVISIONS
*The manual number is given on the bottom right of the cover.
| Print date | *Manual number | Revision |
| September 2015 | IB(NA)-0800157-E | The Japanese manual (IB-0800157) with the English manual (IB-0800158) are combined. |
| December 2016 | IB(NA)-0800157-F | Descriptions are revised due to compliance with the new China RoHS. |
| June 2018 | IB(NA)-0800157-G | Descriptions are revised due to compliance with the Chinese standardized law. |
This manual confers no industrial property rights or any rights of any other kind, nor does it confer any patent licenses. Mitsubishi Electric Corporation cannot be held responsible for any problems involving industrial property rights which may occur as a result of using the contents noted in this manual.
© 2000 MITSUBISHI ELECTRIC CORPORATION
CONTENTS
- OVERVIEW
- Overview
- Included Parts
- SYSTEM CONFIGURATION
- System Configuration
- List of configuration devices
- SPECIFICATIONS
- PART NAMES AND SETTING
- Part Names
- Extension Stage Number Setting
- MOUNTING AND INSTALLATION
- Module Installation
- Precautions for installing base unit
- Installation and removal of modules
- EXTERNAL DIMENSIONS
1. OVERVIEW
1.1 Overview
This User's Manual describes the specifications, configuration devices, names and settings of each part, and mounting and installation of the QA65B extension base unit, QA68B extension base unit (hereinafter, QA6□B).
Refer to the QCPU User's Manual(Hardware Design, Maintenance and Inspection) SH-080483ENG enclosed with the main base unit for the matters not described in this manual, such as the QA6□B safety precautions and general specifications.
1.2 Included Parts
This section describes parts included with this product.
| Item | Type | Quantity |
| Extension base unit | QA6□B | 1 |
| I/O number seal | — | 1 |
| This manual | — | 1 |
2. SYSTEM CONFIGURATION
2.1 System Configuration
The system configuration and precautions for using the QA6□B extension base unit are described in this section.
(1) Extension base unit connection order
When using the Q5□B/Q6□B, QA1S6□B and QA6□B together, connect from the unit closest to the main base unit in the order of Q5□B/Q6□B, QA1S6□B and QA6□B.
(2) Setting order of the extension stage numbers for extension base units
Extension base units require the setting of the extension stage numbers (1 to 7) using the stage setting connector. Assign the extension stage numbers starting from 1 to 7 to the extension base units counting from the one which is connected to the main base unit.
Diagram showing connection order and stage setting for extension base units.
- Main base unit (Q38B)
- Extension base unit for module installation corresponding to the Q series (Q68B)
- Extension base unit for module installation corresponding to the QA1S6□B AnS series (QA1S6□B)
- Extension base unit for module installation corresponding to the A series (QA6□B)
2.2 List of configuration devices
The following table lists the mountable modules on the QA6□B extension base unit.
| Module | Type | Remarks |
| Power module | A61P, A61PN, A62P, A63P, A68P, A61PEU, A62PEU | — |
| Input module | AX10, AX11, AX11EU, AX20, AX21, AX21EU, AX31, AX31-S1, AX40, AX41, AX41-S1, AX42, AX42-S1, AX50-S1, AX60-S1, AX70, AX71, AX80, AX80E, AX81, AX81-S1, AX81-S2, AX81-S3, AX81B, AX82 | *1 |
| Output module | AY10, AY10A, AY11, AY11A, AY11E, AY11AEU, AY11EEU, AY13, AY13E, AY13EU, AY15EU, AY22, AY23, AY40, AY40A, AY41, AY42, AY42-S1, AY42-S2, AY42-S3, AY42-S4, AY50, AY51, AY51-S1, AY60, AY60S, AY60E, AY70, AY71, AY72, AY80, AY81, AY82EP | — |
| I/O module | A42XY, AH42 | — |
| High-speed counter module | AD61, AD61S1 | *1 |
| Analog-digital conversion module | A68AD, A68AD-S2, A68ADN, A616AD | — |
| Digital-analog conversion module | A62DA, A62DA-S1, A68DAV, A68DAI-S1, A616DAV, A616DAI | — |
| Temperature-digital conversion module | A68RD3, A68RD3N, A68RD4, A68RD4N, A616TD, A60MX, A60MXR, A60MXRN, A60MXT, A60MXTN | — |
| Interrupt module | AI61, AI61-S1 | *2 |
| Positioning module | AD70, AD70D, AD71, AD71S1, AD71S2, AD71S7, AD72 | — |
| MELSECNET/MINI-S3 master module | AJ71PT32-S3, AJ71T32-S3 | *1 |
| Intelligent communication module | AD51, AD51E, AD51H, AD51-S3, AD51E-S3, AD51H-S3 | *2 |
| PC fault detection module | AS91 | — |
| MELSEC-I/OLINK module | AJ51T64 | — |
| B/NET module | AJ71B62-S3 | — |
| Blanking module | AG60 | — |
| Dummy module | AG62 | — |
| A-A1S conversion adapter | A1ADP-XY, A1ADP-SP | *3 |
| Module | Type | number of mountable |
| Intelligent communication module | AD51, AD51E, AD51-S3, AD51E-S3, AD51H, AD51H-S3 | 6 *4 |
| Interrupt module | AI61, AI61-S1 | 1 *5 |
*1 The dedicated commands used in the QnA and A Series program cannot be used with the Q mode CPU. Replace these with FROM/TO commands.
*2 There is a limit to the number of mountable modules.
*3 The AnS series modules (equivalent ones to the modules listed in the table) also can be used by using the A-A1S conversion adapter. (Example: A68AD → A1S68AD) For precautions on the module replacement, refer to the manual for the A-A1S conversion adapter.
*4 In combined use of the QA1S6□B and QA6□B, up to 6 intelligent communication modules can be installed.
*5 Only one interrupt module is valid which can be chosen from QI60, A1SI61, AI61 or Al61-S1.
3. SPECIFICATIONS
The QA6□B performance specifications are given below.
| Item | Type | |
| QA65B | QA68B | |
| Number of I/O modules connected | 5 | 8 |
| Applicable modules | A series module | |
| 5V DC internal current consumption | 0.12A | |
| Weight | 1.60kg | 2.00kg |
4. PART NAMES AND SETTING
The names of and settings for each QA6□B part are explained in this section.
4.1 Part Names
The names of each QA6□B part are explained below.
Diagram showing the parts of the QA6□B extension base unit with numbered labels.
- 1) Extension cable connector: Connector for connecting an extension cable (for signal communications with the main base unit or other extension base unit)
- 2) Base cover: Protective cover of extension cable connector. Before connecting an extension cable, the part under OUT on the base cover must be removed with a tool such as a flat blade screwdriver.
- 3) Stage number setting connector: A connector used to set the stage numbers of the extension base units. Refer to Section 4.2 for the setting procedure.
- 4) Module connector: Connectors for installing the power supply module, I/O modules, and special function modules. To those connectors located in the spare space where these modules are not installed, apply the supplied connector cover or blank cover module (AG60) / dummy module (AG62) to prevent entry of dirt.
- 5) Module fixing hole: Cut out to accept projection and hook at rear of modules.
- 6) Module fixing screw hole: Screw hole for fixing the module to the base unit. (M4 screw)
- 7) Base unit installation hole: Hole for mounting this base unit on the panel such as a control panel. (M5 screw)
4.2 Extension Stage Number Setting
The method of setting the QA6□B stages is explained below.
- Remove the base cover from the extension base unit.
- Select the stage number (1 to 7) in the stage number setting connector (PIN1) and insert the connector pin into the appropriate stage number.
- Reattach the base cover to the expansion base module.
Completed
Diagrams showing the stage number setting connector and the wiring for each stage (1st to 7th).
| Extension stage number setting | |||||||
| 1st stage | 2nd stage | 3rd stage | 4th stage | 5th stage | 6th stage | 7th stage | |
Stage number setting connector setting | PIN1 | PIN1 | PIN1 | PIN1 | PIN1 | PIN1 | PIN1 |
| 1 | 2 | 2 | 2 | 2 | 2 | 2 | |
| 4 | 4 | 4 | 4 | 4 | 4 | 4 | |
| 00 | 00 | 00 | 00 | 00 | 00 | 00 | |
| -- | -- | -- | -- | -- | -- | -- | |
| PIN1 | PIN1 | PIN1 | PIN1 | PIN1 | PIN1 | PIN1 | |
POINT
- (1) To set the stage number setting connector, select the appropriate number from 1 through 7 in ascending order according to the number of expansion modules.
- (2) Do not assign the same stage number to several modules or skip any stage numbers. Otherwise, improper I/O operation results.
- (3) The extension stage number is factory-set to 1.
5. MOUNTING AND INSTALLATION
5.1 Module Installation
This section describes precautions for handling CPU modules, I/O modules, special function modules, power supply modules, and base units.
- (1) Do not drop or apply a strong impact to the module case, memory card, terminal block connectors, and pin connectors.
- (2) Do not remove the printed-circuit board of the modules from the case. Otherwise, malfunctions may result.
- (3) When using the extension base unit QA6□B, be sure to install the power supply module. Although the module may work without the power supply module under light load, stable operation is not guaranteed.
- (4) Limit the tightening torque for the module installation screws and terminal block screws within the following range:
| Location of screw | Tightening torque range |
| I/O module terminal block screw (M3) | 36 to 48 N•cm |
| A series module fixing screw (M4) | 78 to 118 N.cm |
| I/O module terminal block mounting screw (M4) | 98 to 137 N.cm |
| Power supply module terminal screw (M4) | 98 to 137 N.cm |
5.2 Precautions for installing base unit
(1) Unit installation position
Diagram showing parallel mounting of a main base unit and an extension base unit, with clearance requirements.
- Indicates the panel top, wiring duct, or any assembly.
- 80mm or more clearance required.
Diagram showing serial mounting of a main base unit and an extension base unit, with clearance requirements.
- Indicates the panel top, wiring duct, or any assembly.
- 80mm or more clearance required.
- Duct (height: 50mm or less)
- *1 clearance requirement
- *2 clearance requirement
*1 When link module is not used: 50mm or more. When using Φ4.5mm optical fiber cable : 100mm or more. When using a coaxial cable : 100mm or more. When using Φ8.5mm optical fiber cable : 130mm or more.
*2 20mm or more when connecting extension cable without removing adjacent modules.
(2) Module installing position
(a) Install the PC in the following position to ensure ventilation for heat radiation.
Diagram showing the correct installation position for ventilation.
(b) Do not install the PC in the following positions.
Diagrams showing incorrect vertical and horizontal installation positions.
- Vertical position
- Horizontal position
(3) Install the base unit on a flat surface. When the base unit is installed on an uneven surface, the printed-circuit board may be strained, resulting in malfunction.
(4) Do not install the PC close to a vibration source such as a large electromagnetic contactor or no-fuse breaker. Install the PC to the separate panel or isolate it as far as possible.
(5) Provide the following distances between the PC and devices (contactor or relay) to avoid the influence of radiation noise or heat
- Device installed in front of the PC: 100mm or more
- Device installed on either side of the PC: 50mm or more
Diagrams showing required spacing from devices like contactors or relays.
- 100mm or more
- 50mm or more
- 50mm or more
5.3 Installation and removal of modules
This section explains how to install and remove modules, such as the power supply module, CPU module, I/O module, special function module, to and from the base unit.
(1) Installation of module
- Insert the two module fixing projections (two) into the module fixing hole (B) in the base unit.
- Mount the module into the base unit by pushing it in the direction of the arrow.
- Check if the hook of module is securely inserted in the module fixing hole (A) in the base unit.
Completed
Diagrams illustrating the process of installing a module into the base unit.
- Base unit
- Module fixing hole (A)
- Hook
- Module unit
- Module fixing hole (B)
- Module connector
- Two module fixing projections
- Module mounting screw (M4×0.7×12)
POINT
- (1) To fix the module, be sure to insert the module fixing projection into the module fixing hole (B). If the module is forcibly fixed without insertion, the pins in the module connector may be bent or damaged.
- (2) When the base unit is used at locations where there are especially large vibration and/or shock, screw the module to the base.
(2) Removal of module
- Hold the module with both hands and push the hook latch at the top of module.
- While pushing the hook latch, pull the module toward you.
- Lift upwards and remove the module fixing projections from the module fixing hole (B).
Completed
Diagrams illustrating the process of removing a module from the base unit.
- Base unit
- Module fixing hole(A)
- Push
- hook
- Module
- Module connector
- Module fixing hole (B)
POINT
To remove the module, be sure to disengage the hook from the module fixing hole (A) and then remove the module fixing projections from the module fixing hole (B). If the module is forcibly removed, the hook or module fixing projections will be damaged.
6. EXTERNAL DIMENSIONS
The external dimensions of the QA6□B are shown below.
(1) The external dimensions of the QA68B
Diagram showing the external dimensions of the QA68B extension base unit in millimeters.
- Base cover
- 2×9-M4 screws (for mounting module)
- 4-6 installation holes (M5 installation screw)
- Hand hold
- 10
- 200±0.3
- 250
- 446±0.3
- 466
- 46.6
- Unit: mm
(2) The external dimensions of the QA65B
Diagram showing the external dimensions of the QA65B extension base unit in millimeters.
- Base cover
- 2×6-M4 screws (for mounting module)
- 4-6 installation holes (M5 installation screw)
- Hand hold
- 10
- 200±0.3
- 250
- 332±0.3
- 352
- 46.6
- Unit: mm
WARRANTY
Mitsubishi will not be held liable for damage caused by factors found not to be the cause of Mitsubishi; machine damage or lost profits caused by faults in the Mitsubishi products; damage secondary damage, accident compensation caused by special factors unpredictable by Mitsubishi; damages to products other than Mitsubishi products; and to other duties.
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MITSUBISHI ELECTRIC CORPORATION
HEAD OFFICE: TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
NAGOYA WORKS : 1-14, YADA-MINAMI 5-CHOME, HIGASHI-KU, NAGOYA, JAPAN
When exported from Japan, this manual does not require application to the Ministry of Economy, Trade and Industry for service transaction permission.
Specifications subject to change without notice.
