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Troubleshooting
Related Manuals for Mitsubishi MELSEC-Q AnyWire DB A20
Summary of Contents for Mitsubishi MELSEC-Q AnyWire DB A20
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Page 3: Precautions Regarding Warranty And Specifications
This document is protected by the law of copyright, whereby all rights established therein remain with the company Mitsubishi Electric Corporation. Reproduction of this document or parts of this document is only permissible within the limits of the legal determination of Copyright Law. Alteration or abridgement of the document is not permitted without the explicit written approval of the company Mitsubishi Electric Corporation. -
Page 4: Safety Precautions
SAFETY PRECAUTIONS (Read these precautions before using this product.) Before using this product, please read this manual and the relevant manuals carefully and pay full attention to safety to handle the product correctly. The precautions given in this manual are concerned with this product only. For the safety precautions of the programmable controller system, refer to the user’s manual for the CPU module used. - Page 5 [Design Precautions] CAUTION ● Although an AnyWire DB A20 system features high noise immunity, keep a distance of 100mm or more between the transmission cables or I/O cables and the high-voltage cables or power cables. Failure to do so may cause malfunction. ●...
- Page 6 [Wiring Precautions] CAUTION ● Tighten the terminal screw within the specified torque range. Undertightening can cause short circuit, fire or malfunction. Overtightening can damage the screw and/or module, resulting in drop, short circuit, or malfunction. ● Prevent foreign matter such as dust or wire chips from entering the module. Such foreign matter can cause a fire, failure, or malfunction.
- Page 7 [Startup and Maintenance Precautions] WARNING ● Do not touch any terminal while power is on. Doing so will cause electric shock or malfunction. ● Shut off the external power supply (all phases) used in the system before cleaning the module or retightening the terminal screws or module fixing screws.
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Page 8: Conditions Of Use For The Product
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. -
Page 9: Compliance With Emc And Low Voltage Directives
COMPLIANCE WITH EMC AND LOW VOLTAGE DIRECTIVES (1) Method of ensuring compliance To ensure that Mitsubishi programmable controllers maintain EMC and Low Voltage Directives when incorporated into other machinery or equipment, certain measures may be necessary. Please refer to one of the following manuals. -
Page 10: Table Of Contents
CONTENTS CONTENTS PRECAUTIONS REGARDING WARRANTY AND SPECIFICATIONS ......1 SAFETY PRECAUTIONS ............. 2 CONDITIONS OF USE FOR THE PRODUCT . - Page 11 Cable Processing ............Terminating Unit .
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Page 12: Terms
Description QJ51AW12D2 The abbreviation for the AnyWire DB A20 master module, QJ51AW12D2 series The abbreviation for the Mitsubishi programmable controller MELSEC-Q series MELSEC-Q Programmable controller CPU The abbreviation for the MELSEC-Q series CPU module A Q-series module other than CPU modules, power supply modules, and I/O modules, which... -
Page 13: Chapter 1 Overview
CHAPTER 1 OVERVIEW CHAPTER 1 OVERVIEW This manual describes the specifications, part names, and settings of the QJ51AW12D2 AnyWire DB A20 master module (hereafter abbreviated as the QJ51AW12D2). This module, a product of the joint development project with Anywire Corporation, allows the AnyWire sensor network system to be constructed in a MELSEC-Q series programmable controller system. - Page 14 Memo...
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Page 15: Chapter 2 Specifications
Do not use or store the programmable controller under pressure higher than the atmospheric pressure at sea level. Doing so may cause malfunction. When using the programmable controller under pressure, please consult your local Mitsubishi representative. This indicates the section of the power supply to which the equipment is assumed to be connected between the public electrical power distribution network and the machinery within premises. -
Page 16: Performance Specifications
Performance Specifications 2.2.1 Performance specifications Item Specifications Transmission clock 31.3 kHz 7.8 kHz 2 kHz 125 kHz Maximum transmission distance 50 m 200 m 1 km 3 km (Total length) Number of connected modules Up to 128 Up to 128 Up to 128 Up to 32 Transmission system... -
Page 17: Power Supply Sequence And Handling Of I/O Data
CHAPTER 2 SPECIFICATIONS 2.2.2 Power supply sequence and handling of I/O data An incorrect input/output may occur depending on the supply procedure of the power of the QJ51AW12D2, the external power supply for transmission line, and the external power supply for slave module. Pay attention to the following points. -
Page 18: Applicable System
Applicable System (1) Mountable modules and the number of mountable modules The applicable CPU module, network module, and the number of mountable modules for the QJ51AW12D2 are shown below. Insufficient power capacity may occur depending on the combination of other modules and the number of mountable modules. -
Page 19: External Dimensions
CHAPTER 2 SPECIFICATIONS External Dimensions 27.4 (Unit: mm) -
Page 20: Part Names
Part Names LED indicator Operation mode selector SET switch Connector for maintenance Transmission line terminal block For details on each part, refer to the following. • LED indicator Page 34, CHAPTER 6 • Operation mode selector Page 21, Section 3.1 •... -
Page 21: Module Mounting
CHAPTER 2 SPECIFICATIONS Module Mounting To mount the module, while pressing the module mounting lever located in the lower part of the module, fully insert the module fixing projection(s) into the hole(s) in the base unit and press the module until it snaps into place. Incorrect interconnection may cause malfunction, failure, or drop of the module. -
Page 22: Checking Function Version And Serial Number
Checking Function Version and Serial Number The serial number and function version of the QJ51AW12D2 can be checked on the rating plate and the front of the module. (1) Checking on the rating plate The rating plate is located on the side of the QJ51AW12D2. powerd by MODEL Serial number... -
Page 23: Chapter 3 Operation Mode
CHAPTER 3 OPERATION MODE CHAPTER 3 OPERATION MODE Connect the slave module for the AnyWire DB A20. Operation Mode Selector Select the settings such as the transmission distance using the operation mode selector (4-gang dip switch). SW-1, 2 Set the transmission distance using a combination of ON/OFF for 1 and 2. System reserve (Set the switch to OFF. -
Page 24: Number Of Transmission Points Setting
Number of Transmission Points Setting Configure the number of transmission points using the switch 1 of "Switch Setting for I/O and Intelligent Function Module". Double-click the "PLC Parameter" in the Project window of the programming tool, and perform the following operations. - Page 25 CHAPTER 3 OPERATION MODE "Switch Setting for I/O and Intelligent Function Module" Dialog Box Enter a value from 0 to 9 in this column. Configure the setting for "Switch 1". Furthermore, set the correct and suitable value for the slot position of the QJ51AW12D2. If the settings are not configured, or if the setting position or the switch selection value is incorrect, AnyWire DB A20 transmission does not operate normally.
- Page 26 Correspondence between the value from 0 to 9 set for "Switch 1" and the number of connected I/O points Number of connected I/O points Switch 1 Input Output 1024 1024 A to F of "Switch 1" are reserved by the system. Do not change the settings. Used when required in special situations.
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Page 27: Chapter 4 Programming
CHAPTER 4 PROGRAMMING CHAPTER 4 PROGRAMMING This chapter explains the program of the QJ51AW12D2. When applying the program examples introduced in this chapter to the actual system, ensure the applicability and confirm that it does not cause system control problems. I/O Signals with CPU Module The QJ51AW12D2 is an intelligent function module. -
Page 28: Details Of The Input Signal
4.1.2 Details of the input signal The input signal "Xn0" is the "Module READY" flag, and it turns "ON" while the QJ51AW12D2 is operating normally. (It does not turn OFF with Xn1 to Xn4 errors.) If the input signal is "Xn1 to Xn4", an "Error Flag" that shows the condition of the AnyWire DB A20 transmission cable turns on. -
Page 29: Buffer Memory Area
CHAPTER 4 PROGRAMMING Buffer Memory Area This area is for data communication between the QJ51AW12D2 and CPU module. Buffer memory address Description Input (1024 points): The lowest bit of 100 is the 0th data, and the highest bit of 13F to 13F the 1023rd data. -
Page 30: Number Of Error Addresses
4.2.2 Number of error addresses The number of error IDs (addresses) is entered in 2000 Page 31, CHAPTER 5) Any value from 0 to 128 is entered. 4.2.3 Value of error addresses If a disconnection or a slave module error is occurred, the error address is written to 2001 to 2080 in the order from the lowest address up to 128 addresses. -
Page 31: Program Example
CHAPTER 4 PROGRAMMING Program Example The configuration of the programmable controller is as shown below. X0 to XF X10 to X2F Y10 to Y2F I/O address Power 16-point 16-point QJ51 supply input output Vacant Q06UDCPU AW12D2 Q62P module module • Used device Device No. - Page 32 Input is output by the FROM instruction, and output is output by the TO instruction. A user program is added between the FROM and TO instructions. Reads inputs to X100 to X4FF Reads error address information Add a user program here. Outputs Y100 to Y4FF.
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Page 33: Chapter 5 Monitoring Function
CHAPTER 5 MONITORING FUNCTION CHAPTER 5 MONITORING FUNCTION The AnyWire DB A20 slave module has the specific ID (address). When the QJ51AW12D sends the ID (address), the disconnection and the existence of slave modules are detected by receiving a reply from the slave module having the corresponding ID (address). -
Page 34: Automatic Address Detection Operation
5.1.1 Automatic address detection operation Use the SET switch or Automatic address detection command output (Yn1) to operate the automatic address detection. Using the SET switch Procedure Check that all of the slave modules are operating normally. Keep pressing the SET switch until the "SET" LED (green) turns on. When the "SET"... -
Page 35: Monitoring Operation
CHAPTER 5 MONITORING FUNCTION Monitoring Operation Registered IDs (addresses) are sent in order. If the slave module does not reply, a disconnection is notified. The "ALM" LED turns on and the input Xn4 turns on when a disconnection occurs. This error information is maintained until the power is turned off or until the error reset (Yn0) is performed. To reset the "ALM"... -
Page 36: Chapter 6 Led Display
CHAPTER 6 LED DISPLAY Display Name Color Meaning Transmission Flashing Module operating status LINK Green status Module error Address During automatic address detection operation detection Green Flashing During EEPROM write in progress During normal transmission AnyWire DB A20 D/G line disconnection, or no reply from the slave module Short between D and G terminals, short between D and 24V Transmission... - Page 37 CHAPTER 6 LED DISPLAY Memo...
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Page 38: Chapter 7 Connections
CHAPTER 7 CONNECTIONS The connection terminals (transmission line terminal block) for the AnyWire DB A20 transmission line can be connected and disconnected easily. The transmission lines and power supply lines are connected using the common terminal block. For compliance with the EMC and Low Voltage Directives, refer to Page 50, Appendix 1. Even when the compliance with the EMC and Low Voltage Directives is not required, use of an EMC-compliant configuration may reduce the influence from external noise. -
Page 39: Transmission Line Terminal Block
CHAPTER 7 CONNECTIONS Transmission Line Terminal Block Manufacturer : Phoenix Contact Co., Ltd. (Contact: http://www.phoenixcontact.com/) Model : MSTB2,5/5-STF-5,08AU Tightening torque : 0.5 to 0.6 N•m To tighten the connector, a flathead screwdriver having a tipped size of 0.6 × 3.5mm is required. Before removing the transmission line terminal block, check that the fixing screws on both sides are completely loosened (removed from the socket). -
Page 40: Cable Processing
Cable Processing Bare cables can be connected to the transmission line terminal block; however, for safety reasons, it is recommended to connect the crimped bar terminals. For wiring, use the connection cables listed in Page 14, Section 2.2.1 and tighten them within the applicable tightening torque range. -
Page 41: Terminating Unit
CHAPTER 7 CONNECTIONS Terminating Unit To ensure more stable transmission quality, connect a terminating unit (AT2 manufactured by Anywire Corporation) to the end of the transmission line. Terminating unit connection Basic Connect a terminating unit at the end of a line for one Important master module. -
Page 42: Chapter 8 Transmission Time
CHAPTER 8 TRANSMISSION TIME This section describes the transmission cycle time and transmission delay time of AnyWire DB A20. Transmission Cycle Time The transmission cycle time is the time required for the master module and all the slave modules to update I/O data. 8.1.1 Transmission cycle time of the QJ51AW12D2 The transmission cycle time of the QJ51AW12D2 is listed in the table below. -
Page 43: Effects Of The Double Check System
CHAPTER 8 TRANSMISSION TIME 8.1.2 Effects of the double check system (1) Input On the QJ51AW12D2 side, if the same data is not repeated twice in continuance, the input area data is not updated (double check). Therefore, a minimum of one transmission cycle time and a maximum of two transmission cycle times are required for the data response time. -
Page 44: Transmission Delay Time
Transmission Delay Time This section describes the transmission delay time (time until data is transmitted). 8.2.1 Slave module (input) to master module The figure below shows the time between a signal input to the slave module and the CPU module device (X) turning on/off. -
Page 45: Master Module To Slave Module (Output)
CHAPTER 8 TRANSMISSION TIME 8.2.2 Master module to slave module (output) The figure below shows the time between the CPU module device (Y) turning on/off and a signal output from the slave module turning on/off. Output Slave 4) Signal delay time on the slave station station 3) One to 2 transmission cycle times QJ51AW12D2... -
Page 46: Chapter 9 Troubleshooting
CHAPTER 9 TROUBLESHOOTING If the transmission does not start normally, check the following items and perform the troubleshooting. • All devices are being supplied with 24VDC power supply. • The "LINK" LEDs of all the AnyWire DB A20 slave modules are flashing. •... -
Page 47: Troubleshooting Flow
Is the "M ERR." LED on the master module on? The applicable module may be in failure. Please consult your local Mitsubishi representative. Is the "ALM" LED on the master module off? Page 46, Section 9.1.2 Refer to the section "When the "ALM"... -
Page 48: When The "Alm" Led On The Master Module Is On Or Flashing
9.1.2 When the "ALM" LED on the master module is on or flashing The "ALM" LED on the master module is on or flashing. Is the "ALM" LED flashing slowly? (With approx. 1 second intervals) Check the following: 1. Is D/G line short-circuited? 2. -
Page 49: When The "Link" Led On The Slave Module Does Not Flash
Has the transmission line wiring been checked? Check the following: 1. Isn't D/G terminal short-circuited? 2. Isn't D/G transmission line disconnected? 3. Isn't there any reverse connection or loose screw? The applicable module may be in failure. Please consult your local Mitsubishi representative. -
Page 50: When The Slave Module Does Not Operate As Expected
Is the transmission line thickness in accordance with the specification? Check the following: 1. Check that the total diameter of the transmission line is in accordance with the specification. The applicable module may be in failure. Please consult your local Mitsubishi representative. -
Page 51: Symptom Checklist
CHAPTER 9 TROUBLESHOOTING Symptom Checklist Symptom Check Item Check QJ51AW12D2 side Is 24 V DC being supplied appropriately? Is the D/G line connected correctly? Was the operation mode selector set correctly? Does the number of connected I/O points set for switch 1 in "Switch Setting for I/O and Intelligent Function Module"... -
Page 52: Appendix
CE marking. (1) Sales representative in EU member states The sales representative in EU member states will be: Name : Mitsubishi Electric Europe BV Address : Gothaer Strasse 8, 40880 Ratingen, Germany Appendix 1.1 Requirements for compliance with the EMC... - Page 53 The leakage of radio waves can be suppressed by the direct application of an EMI gasket on the paint surface. The tests by Mitsubishi were conducted using a panel having the damping characteristics of 37dB (maximum) and 30db (average) (measured at 3m distance, 30 to 300MHz).
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Page 54: Appendix 1.2 Requirements For Compliance With The Low Voltage Directive
(3) External power supply Use a CE-marked external power supply and ground the FG terminal. (External power supply used for the tests conducted by Mitsubishi: PS5R-SF24 made by IDEC Corporation) (4) Power supply module for the programmable controller Ground the LG and FG terminals after short-circuiting them. - Page 55 APPENDIX Memo...
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Page 56: Revisions
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 57: Warranty
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 one year after production of the product is discontinued. - Page 58 Microsoft, Windows, Windows NT, and Windows Vista are registered trademarks of Microsoft Corporation in the United States and other countries. Pentium is a trademark of Intel Corporation in the United States and other countries. Ethernet is a trademark of Xerox Corporation. All other company names and product names used in this manual are trademarks or registered trademarks of their respective companies.
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