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Mitsubishi A-Melsec A1FXCPU User Manual

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  • Page 3 • SAFETY PRECAUTIONS • (Read these precautions before using.) Before using this product, please read this manual and the relevant manuals introduced in this manual carefully and pay full attention to safety to handle the product correctly. The instructions given in this manual are concerned with this product. In this manual, the safety instructions are ranked as "DANGER"...
  • Page 4 [Designing Instructions] WARNING If a current higher than the rating or an overcurrent due to a load short-circuit, etc. kept on flowing for a long time in the outputs, fuming or combustion may occur. To prevent this, provide an external safety circuit such as a fuse. Configure up a circuit so that the external supply power is switched on after the power of the PLC is switched on.
  • Page 5 [Wiring Precautions] DANGER Before starting mounting, wiring or other work, always switch power off externally in all phases. Not doing so may cause an electric shock or product damage. When switching power on or starting operation after mounting, wiring or other work, always fit the supplied terminal cover to the product.
  • Page 6 [Starting and Maintenance Precautions] DANGER Do not touch the terminals while power is on. This can cause an electric shock or misoperation. Connect the battery correctly. Do not recharge, disassemble, heat, short or solder the battery or throw it into fire. Improper handling of the battery may result in injury or fire due to heating, burst, combustion, etc.
  • Page 7 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.
  • Page 8 [Manual Makeup] There are three different manuals related to the A1FXCPU. setup, function description and maintenance manuals. Type A1FXCPU module Type A1FXCPU module Type A1FXCPU module User's Manual (Setup) User's Manual User's Manual (Function description) (Maintenance) (A5 size, included in (A4 size, optional) (A5 size, optional) the packing)
  • Page 9 [A1FXCPU Manuals] [Operation Sequence in Time Series] [Relevant Manuals] Product check Installation Type A1FXCPU CPU module user's manual (Setup) (A5 size, included in the packing) Connection Hardware setting Single module test Type A1FXCPU CPU module Function description user's manual (Function description) (A4 size, optional) Programming ACPU/QCPU-A (A mode)
  • Page 10 About This Manuals The following product manuals are available. Please use this table as a reference to request the appropriate manual as necessary. Related Manuals Manual No. Manual Name (Model Code) Type A1FXCPU module user's manual (Maintenance) Provides maintenance/inspection and troubleshooting procedures of the module for SH-4003 use of the A1FXCPU.

  • Page 11: Table Of Contents

    Introduction Thank you for the Mitsubishi MELSEC-A Series of General Purpose Programmable Controllers. Please read this manual carefully so that equipment is used to its optimum. A copy of this manual should be forwarded to the end user. CONTENTS 1. OVERVIEW ·····························································································································1- 1 to 1- 3 1.1 Features·····································································································································...
  • Page 12 4. I/O NUMBER ASSIGNMENT ··································································································4- 1 to 4- 3 4.1 What Are I/O Numbers? ············································································································ 4- 1 4.2 I/O Number Assignment ············································································································ 4- 2 5. EMC DIRECTIVE, LOW VOLTAGE DIRECTIVE ···································································5- 1 to 5- 8 5.1 Requirement for Compliance with the EMC Directive································································ 5- 1 5.1.1 EMC Directive····················································································································...
  • Page 13 8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS ························································8- 1 to 8-15 8.1 Input Specifications···················································································································· 8- 2 8.2 Handling of DC Input Signals (AC Power Supply Type) ···························································· 8- 3 8.3 Output Specifications ················································································································· 8- 6 8.4 Handling of the Relay Output Circuit·························································································· 8- 7 8.4.1 Relay output circuit ············································································································...

  • Page 14: Features

    1. INTRODUCTION MELSEC-A 1. INTRODUCTION This user's manual provides information on the specifications, installation and wiring of the A1FXCPU general-purpose programmable controller (hereafter referred to as the "A1FXCPU"). The A1FXCPU is a CPU module upgraded in built-in functions to control the FX series extension modules, extension blocks, special extension modules and special extension blocks with the A series instructions.

  • Page 15: Functions Built In The A1Fxcpu

    1. INTRODUCTION MELSEC-A 1.2 Functions Built in the A1FXCPU The A1FXCPU has the following built-in functions. (1) Simple inter-PLC link function Up to eight A1FXCPU, FX and FX can be connected by shielded, twisted pair cables to communicate bit and word data. Master station Local station Local station...

  • Page 16: Instructions For Use Of The A1Fxcpu

    1. INTRODUCTION MELSEC-A 1.3 Instructions for Use of the A1FXCPU When using the A1FXCPU, follow these instructions. (1) Instructions for adding the FX series The FX series may be increased up to 224 points. Use the supplied extension cable to connect the extension module. Use the extension cable contained in the extension block to connect the extension block.

  • Page 17: Performance

    2. PERFORMANCE MELSEC-A 2. PERFORMANCE 2.1 Performance of the CPU Section This section provides the CPU section performance of the A1FXCPU. 2.1.1 CPU section performance list Table 2.1 gives the CPU section performance list of the A1FXCPU. Table 2.1 Performance List Item Performance Control method...
  • Page 18 2. PERFORMANCE MELSEC-A Table 2.1 Performance List (Continued) Item Performance Link register (W) (points) 1024(W0 to 3FF) Annunciator (F) (points) 256(F0 to 255) File register (R) (points) Max. 4096 (R0 to 4095) Accumulator (A) (points) 2(A0,A1) Index register (V, Z) (points) 2(V,Z) Pointer (P) (points) 256(P0 to 255)

  • Page 19: Performance Of The Power Supply Section

    2. PERFORMANCE MELSEC-A 2.2 Performance of the Power Supply Section This section provides the power supply section performance of the A1FXCPU. 2.2.1 Power Supply Section Performance List Table 2.2 gives the power supply section performance list of the A1FXCPU. Table 2.2 Performance List Item Performance Input voltage...
  • Page 20 2. PERFORMANCE MELSEC-A *5: Overcurrent protection The overcurrent proctection device shuts off the 5VDC and/or 24VDC circuit(s) and stops the system if the current exceeding the specified value flows in the circuit(s). As this results in voltage drop, the power supply module LED turns OFF or is dimly lit. After that, eliminate the causes of overcurrent, e.g., insufficient current capacity and short circuit, and then start the system.

  • Page 21: Number Of Extension Points And 24Vdc Service Power Supply Capacity

    2. PERFORMANCE MELSEC-A 2.2.2 Number of extension points and 24VDC service power supply capacity The A1FXCPU and extension module supply 24VDC power to extension blocks. Therefore, the number of extension block points connected must be within the range in which the A1FXCPU and extension module can supply power. Since 0.13A out of insulated 24VDC is used for the built-in functions, the 24VDC external service power supply capacity is max.
  • Page 22 2. PERFORMANCE MELSEC-A (3) Quick calculation table The following tables represent capacity formulas with specific values. They can be used to determine whether extension blocks may be connected or not and to find the remaining 24VDC service power. A1FXCPU When the FX -3A is not used.

  • Page 23: Number Of Special Extension Modules And Blocks And 5Vdc Power Supply Capacity

    2. PERFORMANCE MELSEC-A 2.2.3 Number of special extension modules and blocks and 5VDC power supply capacity When special modules and special blocks are used, the number of modules and blocks connected and 5VDC current consumption must be taken into consideration. (1) Number of modules and blocks connected Up to eight special modules/special blocks may be connected to the A1FXCPU.
  • Page 24 2. PERFORMANCE MELSEC-A Table2.3 Special extension equipment list Current Consumption Model Type Name (5VDC) 2-channel analog input, 1-channel analog 30mA output -16NT For M-NET/MINI (twisted wire) 20mA -4AD 4-channel analog input 30mA -4DA 4-channel analog output 30mA -4AD-PT 4-channel temperature sensor input (PT-100) 30mA 4-channel temperature sensor input -4AD-TC...

  • Page 25: Performance Of Simple Inter-Plc Link

    2. PERFORMANCE MELSEC-A 2.3 Performance of Simple Inter-PLC Link This section provides the simple inter-PLC link performance of the A1FXCPU. 2.3.1 Simple inter-PLC link performance list Table 2.4 gives the simple inter-PLC link performance list of the A1FXCPU. Table 2.4 Performance List Item Performance Interface...

  • Page 26: Interface Specifications

    2. PERFORMANCE MELSEC-A 2.3.2 Interface specifications Table 2.5 gives the RS-485 interface specification list of the A1FXCPU. Table 2.5 Specification List Signal Direction Signal Abbreviation Description Module ↔ Module ←→ SDA/RDA Send/receive data ←→ SDB/RDB Send/receive data ←→ Signal ground Wiring method Master station Local station...

  • Page 27: Specifications Of The Twisted Pair Cable

    2. PERFORMANCE MELSEC-A 2.3.3 Specifications of the Twisted Pair Cable Table 2.6 indicates the specifications of the cable that may be used in simple inter-PLC link of the A1FXCPU. Table 2.6 Twisted Pair Cable Specifications Item Specifications Cable type Shielded twisted pair cable Number of pairs 2 pairs or more Conductor resistance (20 °...

  • Page 28: Performance Of Simple Positioning

    2. PERFORMANCE MELSEC-A 2.4 Performance of Simple Positioning This section provides the simple positioning performance of the A1FXCPU. 2.4.1 Simple positioning performance list Table 2.7 gives the simple positioning performance list of the A1FXCPU. Table 2.7 Performance List Item Performance Number of axes controlled 2 axes Number of positioning data...

  • Page 29: Interface Specifications

    2. PERFORMANCE MELSEC-A 2.4.2 Interface specifications Table 2.8 gives the simple positioning interface specification list of the A1FXCPU. Table 2.8 Specification List Item Specifications Number of output points 4 points (positioning pulse output 2 axes × 2 points, Y10 to 13) Output form Transistor (open collector) output Rated load voltage...

  • Page 30: Performance Of The High-Speed Counter

    2. PERFORMANCE MELSEC-A 2.5 Performance of the High-Speed Counter This section provides the high-speed counter performance of the A1FXCPU. 2.5.1 High-speed counter performance list Table 2.9 gives the high-speed counter performance list of the A1FXCPU. Table 2.9 Performance List Item Specifications Counting speed selection setting 1 phase/2 phase: 60kpps/1 phase: 10kpps, 2 phase: 7kpps...

  • Page 31: Interface Specifications

    2. PERFORMANCE MELSEC-A 2.5.2 Interface specifications Table 2.10 gives the high-speed counter function interface specification list of the A1FXCPU. Table 2.10 Specification List Specifications Item External input Counter input Number of input points 4 points (X6 to 9) 4 points (XA to D) Preset 2 channels ×...

  • Page 32: Performance Of The Interrupt Function

    2. PERFORMANCE MELSEC-A 2.6 Performance of the Interrupt Function This section provides the external interrupt function performance of the A1FXCPU. 2.6.1 Interrupt function performance list Table 2.11 gives the external interrupt function performance list of the A1FXCPU. Table 2.11 Performance List Item Performance Number of interrupt points...

  • Page 33: Interface Specifications

    2. PERFORMANCE MELSEC-A 2.6.2 Interface specifications Table 2.12 gives the interrupt function interface specification list of the A1FXCPU. Table 2.12 Specification List Item Specification Number of input points 6 points (X0 to 5) Isolation method Photocoupler isolation Rated input voltage 24VDC Rated input current Operating voltage range...

  • Page 34: Terminal Arrangement Of The Built-In Function Connector

    2. PERFORMANCE MELSEC-A 2.7 Terminal Arrangement of the Built-in function Connector Table 2.13 gives the Built-in function connector terminal arrangement list of the A1FXCPU. Table 2.13 Terminal Arrangement List Built-in function Connector Arrangement (Front View) COM1 YDC24 YDC5 COM1 XDC24 XDC5 Terminal Signal Terminal...

  • Page 35: Performance Specifications Of The Terminal Block

    2. PERFORMANCE MELSEC-A 2.8 Performance Specifications of the Terminal Block Table 2.14 provides the terminal block performance specification list of the A1FXCPU. Table 2.14 Performance List Terminal Block Front View /RDB +24V (LG) (FG) /RDA Terminal Signal Application Number Name AC power input Line ground.

  • Page 36: Names Of Parts And Their Settings

    3. NAMES OF PARTS AND THEIR SETTINGS MELSEC-A 3. NAMES OF PARTS AND THEIR SETTINGS 3.1 Names of Parts Front view (6) (7) (8) (9) (10) (11) 0 1 2 3 4 6 7 8 9 B C D INPUT/OUTPUT 1112 13 RESET LINK...
  • Page 37 3. NAMES OF PARTS AND THEIR SETTINGS MELSEC-A Name Application On: Indicates that the self-diagnostic function detected an error. (Remains off when the error detected is the one preset to be turned off in the "ERROR" LED LED indication priority setting.) Off: Indicates a normal status or that a failure was detected with the CHK instruction.

  • Page 38: Settings

    3. NAMES OF PARTS AND THEIR SETTINGS MELSEC-A 3.2 Settings The A1FXCPU settings include RAM/E PROM operation and write protect settings. 3.2.1 RAM/E PROM operation setting The memory operation system includes RAM and E PROM modes. Use the DIP switch (SW1) to select the memory operation system. SW1 is factory-set in the RAM operation (lower) position.

  • Page 39: I/O Number Assignment

    4. I/O NUMBER ASSIGNMENT MELSEC-A 4. I/O NUMBER ASSIGNMENT This chapter describes I/O number assignment made to transfer data between the A1FXCPU and extension modules/extension blocks. 4.1 What Are I/O Numbers? "Inputs (X)" are used to import data from the extension modules/extension blocks to the A1FXCPU, and "outputs (Y)"...

  • Page 40: I/O Number Assignment

    4. I/O NUMBER ASSIGNMENT MELSEC-A 4.2 I/O Number Assignment When switched on or reset with the RUN/STOP switch, the A1FXCPU makes the following I/O number assignment. When writing a sequence program, specify the I/O numbers assigned in accordance with the following items. (1) I/O number assignment (a) I/O numbers are assigned to the extension module/extension block connected on the right-hand side of the A1FXCPU, starting with X/Y20.
  • Page 41 4. I/O NUMBER ASSIGNMENT MELSEC-A (d) One special extension module/special extension block occupies 8 points but does not use I/O numbers. Hence, when special extension modules/special extension blocks are used, skip them over when setting the I/O numbers. 16 output points 16 input points Special extension block A1FXCPU...

  • Page 42: Emc Directive, Low Voltage Directive

    5. EMC DIRECTIVE, LOW VOLTAGE DIRECTIVE MELSEC-A 5. EMC DIRECTIVE, LOW VOLTAGE DIRECTIVE This chapter provides information on the A1FXCPU only. For the FX series products such as extension modules/extension blocks, refer to the FX series manual. The products sold in the European countries have been required by law to comply with the EMC Directives and Low Voltage Directives of the EU Directives since 1996 and 1997, respectively.

  • Page 43: Emc Directive

    5. EMC DIRECTIVE, LOW VOLTAGE DIRECTIVE MELSEC-A 5.1.1 EMC Directive The following table lists standards related to the EMC Directive: Specifications Test Item Test Standard Values 30M-230MHz QP: 30dBμV/m EN55011 (measured 30m away) Measure waves emitted by a product. Radiation noise 230M-1000MHz QP: 37dBμV/m (measured 30m away) 150k-500kHz...

  • Page 44: Installation In Control Box

    5. EMC DIRECTIVE, LOW VOLTAGE DIRECTIVE MELSEC-A 5.1.2 Installation in control box The PLC is open equipment (equipment incorporated into other apparatus) and must be installed in a conductive control box. This not only ensures safety but also has a great effect on the shielding of PLC-generated noise with the control box.

  • Page 45: Cables

    5. EMC DIRECTIVE, LOW VOLTAGE DIRECTIVE MELSEC-A 5.1.3 Cables Cables drawn from the control box include high-frequency noise components and act as antennas outside the control box to radiate noise. Cables connected to the I/O and special modules and drawn to outside the control box must be shielded cables. With the exception of some models, cables are not required to be fitted with ferrite cores.

  • Page 46: Ferrite Core

    5. EMC DIRECTIVE, LOW VOLTAGE DIRECTIVE MELSEC-A (2) I/O signal lines and other communication cables For I/O signal lines and other communication cables (RS-232C, RS-422, etc.) drawn to outside the control box, their shields must also be grounded as described in (1). 5.1.4 Ferrite core A ferrite core has an effect on noise reduction in the 30MHz to 100MHz bandwidth of radiation noise.

  • Page 47: Requirement For Compliance With The Low Voltage Directive

    5. EMC DIRECTIVE, LOW VOLTAGE DIRECTIVE MELSEC-A 5.2 Requirement for Compliance with the Low Voltage Directive The Low Voltage Directives apply to the electrical equipment operating from 50 to 1000VAC or 75 to 1500VDC; the manufacturer must ensure the adequate safety of the equipment.

  • Page 48: Control Box

    5. EMC DIRECTIVE, LOW VOLTAGE DIRECTIVE MELSEC-A 5.2.3 Control box The PLC is open equipment (equipment incorporated into other apparatus) and must be installed in a conductive control box. (1) Electric shock protection The following actions must be taken for a control box to protect persons who do not have enough knowledge of electrical equipment, such as operators, from the risk of electric shock: (a) Lock the control box so that only the person trained to have enough...

  • Page 49: External Wiring

    5. EMC DIRECTIVE, LOW VOLTAGE DIRECTIVE MELSEC-A 5.2.5 External wiring (1) 24VDC external supply power A 24VDC I/O module or a special module requiring external supply power should be the one whose 24VDC circuit is enhanced-insulated from a hazardous voltage circuit.

  • Page 50: Loading And Installation

    6. LOADING AND INSTALLATION MELSEC-A 6. LOADING AND INSTALLATION This chapter provides loading and installation methods and instructions to be followed to increase system reliability and ensure optimum functions. Use the PLC in an environment that conforms to the general specifications WARNING given in the manual.

  • Page 51: Mounting Instructions

    6. LOADING AND INSTALLATION MELSEC-A 6.1 Mounting Instructions When mounting the A1FXCPU to a control box or the like, follow the instructions given below: (1) The PLC must not be mounted on its side or horizontally as below to ensure proper ventilation.

  • Page 52: Mounting The A1Fxcpu

    6. LOADING AND INSTALLATION MELSEC-A 6.2 Mounting the A1FXCPU This section provides how to mount and dismount the A1FXCPU. 6.2.1 Mounting/dismounting the A1FXCPU to/from a panel surface Mount the module to a panel surface horizontally as shown below by tightening the module mounting screws at top left and bottom right of the module.

  • Page 53: Mounting/Dismounting The A1Fxcpu To/From The Din Rail

    6. LOADING AND INSTALLATION MELSEC-A 6.2.3 Mounting/dismounting the A1FXCPU to/from the DIN rail (1) Mounting the A1FXCPU to the DIN rail Mount the A1FXCPU to the DIN rail in the following procedure. (a) Fit the top of the DIN rail groove in the A1FXCPU into the top of the DIN rail. (b) Press the A1FXCPU against the DIN rail to fix it.

  • Page 54: Battery

    6. LOADING AND INSTALLATION MELSEC-A 6.3 Battery This section gives the specifications, handling instructions and fitting method of the battery. Connect the battery correctly. Do not recharge, disassemble, heat, short or WARNING solder the battery or throw it into fire. Improper handling of the battery may result in injury or fire due to heating, burst, combustion, etc.

  • Page 55: Battery Loading

    6. LOADING AND INSTALLATION MELSEC-A 6.3.2 Battery loading The battery connector is disconnected before shipment to prevent the battery from being consumed during distribution and storage. When using the A1FXCPU as described below, plug the lead connector of the battery into the battery connector of the A1FXCPU circuit board. The sequence program, file registers and comments in the user program area of the A1FXCPU are used.

  • Page 56: How To Use The Labels Supplied With The Product

    6. LOADING AND INSTALLATION MELSEC-A 6.4 How to Use the Labels Supplied with the Product This section explains the I/O number and ink station number labels supplied with the A1FXCPU and how to use them. 6.4.1 How to use the I/O number labels Use the I/O number labels as follows: Apply the I/O number label Apply the I/O number label...

  • Page 57: How To Use The Link Station Number Labels

    6. LOADING AND INSTALLATION MELSEC-A 6.4.2 How to use the link station number labels Use the link station number labels as follows: IN 0 1 2 3 4 6 7 8 9 B C D INPUT/OUTPUT 111213 LINK RESET POWER EXT.CON.

  • Page 58: Failsafe Circuit

    6. LOADING AND INSTALLATION MELSEC-A 6.5 Failsafe Circuit When a PLC power supply is switched on or off, some controlled outputs may not temporarily operate normally due to differences in delay time or rise time between the PLC power supply and external power supply for control target (especially DC). For example, if the PLC power supply is switched on after the external power supply for control target is switched on in the DC output module, the DC output module may provide erroneous output instantaneously.
  • Page 59 6. LOADING AND INSTALLATION MELSEC-A (1) System design circuit example AC system AC/DC system Power supply Power supply Transformer Transformer Transformer Fuse CPU module Fuse Fuse M9006 CPU module DC power supply M9006 established signal input M9039 DC current M9039 (-) (+) Start/stop circuit Can be started...
  • Page 60 6. LOADING AND INSTALLATION MELSEC-A (2) Failsafe technique for a PLC failure The PLC CPU module and memory failures are detected by the self-diagnostic function, but a failure may not be detected by the CPU module if there is a fault in the I/O control or other sections.

  • Page 61: Installation Environment

    6. LOADING AND INSTALLATION MELSEC-A 6.6 Installation Environment Use the PLC in an environment which conforms to the general specifications CAUTION given in the manual. Not doing so can cause an electric shock, fire, misoperation or product damage or deterioration can occur. When installing the A1FXCPU system, avoid: (1) Ambient temperature outside the range 0 to 55 (2) Ambient humidity outside the following range:...

  • Page 62: External Wiring

    7. EXTERNAL WIRING MELSEC-A 7. EXTERNAL WIRING This chapter gives instructions for wiring the power, I/O and other lines. Plug each cable connector into the corresponding socket securely. DANGER Incomplete plugging can cause mis-output due to a contact fault. Do not touch the conductive areas and electronic parts of the module directly. Doing so can cause the module to misoperate or fail.

  • Page 63: Power Supply Wiring

    7. EXTERNAL WIRING MELSEC-A 7.1 Power Supply Wiring (1) Power supply wiring (a) Wire the PLC, I/O equipment and power equipment in separate lines as shown below. If excessive noise is generated, use isolating transformers. PC power Main power supply supply I/O power supply...
  • Page 64 7. EXTERNAL WIRING MELSEC-A (2) I/O equipment wiring (a) The terminal blocks are designed for use with 0.3 to 1.25mm gauge wires, and connectors are designed for use with 0.3mm gauge wires. (b) Route the input and output lines separately. (c) When the I/O signal wires cannot be separated from the main circuit wiring and/or the power wiring, use twisted pair shielded cable grounded at one end only, preferably at the PLC end.

  • Page 65: Wiring For Simple Inter-Plc Link

    7. EXTERNAL WIRING MELSEC-A 7.2 Wiring for Simple Inter-PLC Link The following diagram shows how to wire the A1FXCPU for simple inter-PLC link. Master station Local station Local station SDA/RDA SDA/RDA SDA/RDA Terminal Terminal SDB/RDB SDB/RDB SDB/RDB resistor resistor Shielded twisted pair cables POINT For the specifications of the twisted pair cables, refer to Section 2.3.3.

  • Page 66: Wiring For Simple Positioning

    7. EXTERNAL WIRING MELSEC-A 7.3 Wiring for Simple Positioning The following diagrams show connection examples of the A1FXCPU for simple positioning. 7.3.1 Example of connection with the MR-H A Configure up a sequence to turn off Regenerative brake option MC at alarm or emergency stop. Servo motor N C P Power supply...

  • Page 67: Example Of Connection With The Mr-J A

    7. EXTERNAL WIRING MELSEC-A 7.3.2 Example of connection with the MR-J A Regenerative brake option Configure up a sequence to turn off MC at alarm or emergency stop. Servo motor N C P MR-J Power supply 3-phase 200VAC Within 2m(6.65feet) *3 Servo-on Reset Within 30m...

  • Page 68: Example Of Connection With The Mr-J2 A

    7. EXTERNAL WIRING MELSEC-A 7.3.3 Example of connection with the MR-J2 A Configure up a sequence to turn off HC-MF, HA-FF MC at alarm or emergency stop. series motor MR-J2- Power supply 3-phase 200VAC C TE2 24VDC Electromag- Shut off when servo-on netic brake signal turns off or alarm signal is given.

  • Page 69: Example Of Connection With The Mr-C A

    7. EXTERNAL WIRING MELSEC-A 7.3.4 Example of connection with the MR-C A Regenerative brake resistor Configure up a sequence to turn off HC-PQ is external option. MC at alarm or emergency stop. series motor Power supply single-phase 200VAC (A type) single-phase 100VAC (A1 type) MR-C A MR-C A1...

  • Page 70: Example Of Connection With Stepping Motor Driver

    7. EXTERNAL WIRING MELSEC-A 7.3.5 Example of connection with stepping motor driver Within 2m Drive unit UDX5107N A1FXCPU Internal circuit Twisted pair cable 220W X axis Y axis – 220W – – 5VDC Motor leads (5 wires) (e.g. UPD544-NA) 5-phase stepping motor Single-phase 100V±15% 100/115VAC 50/60HZ...

  • Page 71: Wiring For High-Speed Counter Function

    7. EXTERNAL WIRING MELSEC-A 7.4 Wiring for High-Speed Counter Function The following diagram shows how to wire the A1FXCPU for the high-speed function. A1FXCPU CH2 CH1 Pulse generator Twisted pair cable +24V Shield Twisted pair cable +24V Shield 24VDC +24V External power supply A1FXCPU...

  • Page 72: Wiring For Interrupt Input Function

    7. EXTERNAL WIRING MELSEC-A 7.5 Wiring for Interrupt Input Function The following diagram shows how to wire the A1FXCPU for the interrupt input function. A1FXCPU External switch 24VDC 7 - 11...

  • Page 73: Specifications And Wiring Of The I/O Blocks

    8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS MELSEC-A 8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS This chapter explains the specifications and external wiring of the I/O blocks. Plug each cable connector into the corresponding socket securely. Incomplete WARNING plugging can cause mis-output due to a contact fault.

  • Page 74: Input Specifications

    8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS MELSEC-A 8.1 Input Specifications Item DC Input Extension block (for FX , FX Model Extension module (for FX Input circuit structure 4.3k 4.3k Input signal voltage 24VDC±10% Input signal current 5mA/24VDC Input ON current 3.5mA or more Input OFF current 1.5mA or more...

  • Page 75: Handling Of Dc Input Signals (Ac Power Supply Type)

    8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS MELSEC-A 8.2 Handling of DC Input Signals (AC Power Supply Type) (1) DC input circuit (a) Input terminals When the input terminal and [COM] terminal are connected by the no-voltage contact or NPN open collector transistor, the input switches on. At this time, the input indicator LED is lit.
  • Page 76 8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS MELSEC-A (d) External circuit for sensor The input current of this PLC is supplied from the 24VDC power supply in the PLC. Therefore, when the sensor such as a photoelectric switch is driven by an external power supply, the voltage of this external power supply should be 24V±4VDC and the output transistor of the sensor should be the NPN open collector type.
  • Page 77 8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS MELSEC-A (3) Selection of DC input equipment The input current of this extension module/extension block is 24VDC (internally supplied) 5mA (5mA for X010 or later). Use small input equipment which suits this very weak current. <Example>...

  • Page 78: Output Specifications

    8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS MELSEC-A 8.3 Output Specifications Item Relay Output Triac Output Transistor Output Model Extension module Extension module Extension block Extension block Extension block 0.015mF 22W Load Load Load Output circuit structure External power External power External power supply...

  • Page 79: Handling Of The Relay Output Circuit

    8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS MELSEC-A 8.4 Handling of the Relay Output Circuit 8.4.1 Relay output circuit (1) Output terminals The relay output type is a 4-, 8- or 16-point/1-common output type and the common terminals are numbered [COM1] to [COM9]. Different common blocks (1 point increments for the separated common type) can drive loads in different circuit voltage systems (for example, 200VAC, 100VAC, 24VDC).

  • Page 80: Output Connection Example

    8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS MELSEC-A Load Capacity Contact Life Applied Load Example (Our Electromagnetic Switch) 0.35A/100VAC 35VA 3 million times S-K10 to S-K150, S-N10 to S-N35 0.17A/200VAC 0.8A/100VAC 80VA 1 million times S-K180 to S-K400 0.4A/200VAC 1.2A/100VAC 120VA 0.2 million times S-K600, S-K800...

  • Page 81: Output Circuit Structure

    8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS MELSEC-A 8.4.3 Output circuit structure Inductive load Connect a commutating diode in parallel with the DC DC load inductive load. Without this diode, the contact life will be reduced remarkably. The commutating diode selected should be the one whose inverse dielectric withstand voltage is 5 to 10 times greater than the load PLC output voltage and whose forward current is equal to or higher than the...

  • Page 82: Handling Of The Triac Output Circuit

    8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS MELSEC-A 8.5 Handling of the Triac Output Circuit 8.5.1 Triac output circuit (1) Output terminals The triac output type is a 4- or 8-points/1-common type. Different common blocks (1 point increments for the separated common type) can drive loads in different circuit voltage systems (for example, 100VAC, 200VAC).

  • Page 83: Output Connection Example

    8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS MELSEC-A 8.5.2 Output connection example Handle the load power supply correctly in accordance with Section 8.3 "Performance 4-point/1-common type output circuit example of the Power Supply Section". Surge absorber is AC power supply provided for each output.

  • Page 84: Output Circuit Structure

    8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS MELSEC-A 8.5.3 Output circuit structure Neon lamp or Connect a surge absorber in parallel with a micro-current load Micro-current neon lamp or 0.4VA/100VAC or 1.6VA/200VAC load or less micro-current load. PC output Surge absorber It is recommended to use the output Use in the...

  • Page 85: Handling Of The Transistor Output Circuit

    8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS MELSEC-A 8.6 Handling of the Transistor Output Circuit 8.6.1 Transistor output circuit (1) Output terminals The transistor output type is a 4-, 8- or 16-points/1-common output type. Use a 5 to 30VDC smoothing power supply as a load driving power supply. Y000 5 to 30VDC Zener...

  • Page 86: Output Connection Example

    8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS MELSEC-A 8.6.2 Output connection example Handle the load power supply correctly in accordance with Section 8.3 "Performance 4-point/1-common type output circuit example of the Power Supply Section". Surge absorber is DC power supply provided for each output.

  • Page 87: Power Supply Specifications Of The Extension Module

    8. SPECIFICATIONS AND WIRING OF THE I/O BLOCKS MELSEC-A 8.7 Power Supply Specifications of the Extension Module Table 8.9 lists the power supply specifications of the extension module. Table 8.4 Power Supply Specification List of the Extension Module Item Specifications Type FX2N-32E FX2N-48E...

  • Page 88: Appendix

    APPENDIX MELSEC-A APPENDIX Appendix 1 General Specifications Table 1.1 lists the general specifications of the A1FXCPU used independently, and Table 1.2 lists those of the A1FXCPU used with the FX series. Table 1.1 General Specifications (of the A1FXCPU Used Independently) Item Specifications Operating ambient temperature...
  • Page 89 APPENDIX MELSEC-A The specifications in the following table apply when the A1FXCPU is used with the FX series. However, when the A1FXCPU is mounted on an enclosure, the vibration resistance should be as in the A1FXCPU range (Table 1.1). When the A1FXCPU is mounted on the DIN rail, the vibration resistance should be as in the FX series range (Table 1.2).

  • Page 90: Appendix 2 Outline Dimension Drawings

    APPENDIX MELSEC-A Appendix 2 Outline Dimension Drawings Appendix 2.1 A1FXCPU module 2- 4.5 9(0.35) (0.2) (0.2) 120(4.73) IN 0 1 2 3 4 6 7 8 9 B C D INPUT/OUTPUT 111213 LINK RESET POWER EXT.CON. STOP ERROR L CLR MELSEC A 87(3.43) 130(5.12)

  • Page 91: Appendix 3 Transportation Precautions

    Appendix 3.2 Transport Guidelines Comply with IATA Dangerous Goods Regulations, IMDG code and the local transport regulations when transporting products after unpacking or repacking, while Mitsubishi ships products with packages to comply with the transport regulations. Also, contact the transporters.

  • Page 92: Disposal Precautions

    The following symbol is printed on the batteries and packaging of batteries and devices with built-in batteries used for Mitsubishi programmable controllers. Note:This symbol is for EU member states only. The symbol is specified in the new EU Battery Directive (2006/66/EC) Article 20 “Information for end-users”...

  • Page 93: Appendix

    September 26, 2008 or later, provide the latest manuals that include the explanation of the symbol. If no Mitsubishi manuals or any old manuals without the explanation of the symbol are provided, separately attach an explanatory note regarding the symbol to each manual of the devices.
  • Page 94 6. Failure caused by reasons unpredictable by scientific technology standards at time of shipment from Mitsubishi. 7. Any other failure found not to be the responsibility of Mitsubishi or that admitted not to be so by the user. 2. Onerous repair term after discontinuation of production (1) Mitsubishi shall accept onerous product repairs for seven (7) years after production of the product is discontinued.

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