1. Manuals
  2. Brands
  3. Mitsubishi Electric Manuals
  4. Amplifier
  5. MELSERVO-J4 series
  6. Instruction manual trouble shooting

Mitsubishi Electric MELSERVO-J4 Instruction Manual Trouble Shooting

Servo amplifier
Hide thumbs Also See for MELSERVO-J4:
Table of Contents

Advertisement

Quick Links

See also: Instruction Manual , Installation Manual
General-Purpose AC Servo
MELSERVO-J4 Servo amplifier
INSTRUCTION MANUAL TROUBLE SHOOTING
D

Advertisement

Table of Contents
loading

Related Manuals for Mitsubishi Electric MELSERVO-J4

Summary of Contents for Mitsubishi Electric MELSERVO-J4

  • Page 1 General-Purpose AC Servo MELSERVO-J4 Servo amplifier INSTRUCTION MANUAL TROUBLE SHOOTING...

  • Page 2: Safety Instructions

    Safety Instructions Please read the instructions carefully before using the equipment. To use the equipment correctly, do not attempt to install, operate, maintain, or inspect the equipment until you have read through this Instruction Manual, Installation guide, and appended documents carefully. Do not use the equipment until you have a full knowledge of the equipment, safety information and instructions.
  • Page 3 1. To prevent electric shock, note the following WARNING Before wiring or inspection, turn off the power and wait for 15 minutes or more until the charge lamp turns off. Then, confirm that the voltage between P+ and N- is safe with a voltage tester and others. Otherwise, an electric shock may occur.
  • Page 4 (2) Usage CAUTION Before resetting an alarm, make sure that the run signal of the servo amplifier is off in order to prevent a sudden restart. Otherwise, it may cause an accident. Use the servo amplifier with the specified servo motor. (3) Corrective actions CAUTION When it is assumed that a hazardous condition may occur due to a power failure or product malfunction,...
  • Page 5 MEMO A - 4...

  • Page 6: Table Of Contents

    CONTENTS 1. TROUBLESHOOTING 1- 1 to 1-72 1.1 Alarm and warning list ........................1- 1 1.2 Remedies for alarms......................... 1- 6 1.3 Remedies for warnings ........................1-54 1.4 Trouble which does not trigger alarm/warning ................1-63 2. DRIVE RECORDER 2- 1 to 2-10 2.1 How to use drive recorder.........................
  • Page 7 MEMO...

  • Page 8: Troubleshooting

    1. TROUBLESHOOTING 1. TROUBLESHOOTING 1.1 Alarm and warning list When an error occurs during operation, the corresponding alarm or warning is displayed. If any alarm or warning has occurred, refer to section 1.2 and take the appropriate action. When an alarm occurs, ALM (Malfunction) will turn off.
  • Page 9 1. TROUBLESHOOTING Name Detail No. Detail name Encoder initial communication 1F.1 Incompatible encoder error 3 1F.2 Incompatible load-side encoder Encoder normal communication 20.1 Encoder normal communication - Receive data error 1 error 1 20.2 Encoder normal communication - Receive data error 2 20.3 Encoder normal communication - Receive data error 3 20.5...
  • Page 10 1. TROUBLESHOOTING Name Detail No. Detail name Inrush current suppression circuit 3A.1 Inrush current suppression circuit error error Parameter setting error for driver 3D.1 Parameter combination error for driver communication on slave communication 3D.2 Parameter combination error for driver communication on master Operation mode error 3E.1 Operation mode error...
  • Page 11 1. TROUBLESHOOTING Name Detail No. Detail name Load-side encoder normal 71.1 Load-side encoder communication - Receive data error 1 communication error 1 71.2 Load-side encoder communication - Receive data error 2 71.3 Load-side encoder communication - Receive data error 3 71.5 Load-side encoder communication - Transmission data error 1 71.6...
  • Page 12 1. TROUBLESHOOTING Name Detail No. Detail name Servo amplifier overheat warning 91.1 Main circuit device overheat warning Battery cable disconnection 92.1 Encoder battery cable disconnection warning warning 92.3 Battery degradation ABS data transfer warning 93.1 ABS data transfer requirement warning during magnetic pole detection STO warning 95.1 STO1 off detection...

  • Page 13: Remedies For Alarms

    1. TROUBLESHOOTING 1.2 Remedies for alarms When any alarm has occurred, eliminate its cause, ensure safety, and deactivate the alarm before restarting operation. Otherwise, it may cause injury. If [AL. 25 Absolute position erased] occurs, always make home position setting CAUTION again.
  • Page 14 1. TROUBLESHOOTING Alarm No.: 10 Name: Undervoltage The voltage of the control circuit power supply has dropped. Alarm content The voltage of the main circuit power supply has dropped. Detail Detail name Cause Check method Check result Action Target 10.1 Voltage drop in The connection of the Check the control...

  • Page 15: Ram Error

    1. TROUBLESHOOTING Alarm No.: 11 Name: Switch setting error The setting of the axis selection rotary switch or auxiliary axis number setting switch is incorrect. Alarm content The setting of the disabling control axis switch is incorrect. Detail Detail name Cause Check method Check result...

  • Page 16: Clock Error

    1. TROUBLESHOOTING Alarm No.: 13 Name: Clock error [RJ010]: MR-J3-T10 came off. Alarm content A part in the servo amplifier is failure. A clock error transmitted from the controller occurred. Detail Detail name Cause Check method Check result Action Target 13.1 Clock error 1 (1) The MR-J3-T10 came...

  • Page 17: Control Process Error

    1. TROUBLESHOOTING Alarm No.: 14 Name: Control process error [RJ010]: MR-J3-T10 came off. Alarm content The process did not complete within the specified time. Detail Detail name Cause Check method Check result Action Target 14.2 Control process (1) The MR-J3-T10 came Check if [AL.
  • Page 18 1. TROUBLESHOOTING Alarm No.: 15 Name: Memory error 2 (EEP-ROM) [RJ010]: MR-J3-T10 came off. Alarm content A part (EEP-ROM) in the servo amplifier is failure. Detail Detail name Cause Check method Check result Action Target 15.1 EEP-ROM error EEP-ROM is Disconnect the cables It is repeatable.
  • Page 19 1. TROUBLESHOOTING Alarm No.: 16 Name: Encoder initial communication error 1 Alarm content Communication error occurred between encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 16.1 Encoder initial (1) An encoder cable is Check if the encoder It has a failure.
  • Page 20 1. TROUBLESHOOTING Alarm No.: 16 Name: Encoder initial communication error 1 Alarm content Communication error occurred between encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 16.3 Encoder initial An axis not used is not Check the setting of It is not set as Set it as disabled-...
  • Page 21 1. TROUBLESHOOTING Alarm No.: 16 Name: Encoder initial communication error 1 Alarm content Communication error occurred between encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 16.A Encoder initial (1) The servo amplifier is Replace the servo It is not repeatable.
  • Page 22 1. TROUBLESHOOTING Alarm No.: 17 Name: Board error Alarm content A part in the servo amplifier is malfunctioning. Detail Detail name Cause Check method Check result Action Target 17.6 Board error 5 The setting value of the Disconnect the cables It is repeatable.
  • Page 23 1. TROUBLESHOOTING Alarm No.: 1E Name: Encoder initial communication error 2 Alarm content An encoder is malfunctioning. Detail Detail name Cause Check method Check result Action Target 1E.1 Encoder (1) An encoder is Replace the servo It is not repeatable. Replace the servo malfunction malfunctioning.
  • Page 24 1. TROUBLESHOOTING Alarm No.: 20 Name: Encoder normal communication error 1 Alarm content Communication error occurred between encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 20.1 Encoder normal (1) An encoder cable is Check if the encoder It has a failure.
  • Page 25 1. TROUBLESHOOTING Alarm No.: 20 Name: Encoder normal communication error 1 Alarm content Communication error occurred between encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 20.7 Encoder normal Check it with the check method for [AL. 20.1]. communication - Transmission data error 3...
  • Page 26 1. TROUBLESHOOTING Alarm No.: 24 Name: Main circuit error A ground fault occurred on the servo motor power lines. Alarm content A ground fault occurred at the servo motor. Detail Detail name Cause Check method Check result Action Target 24.1 Ground fault (1) The servo amplifier is Disconnect the servo...
  • Page 27 1. TROUBLESHOOTING Alarm No.: 25 Name: Absolute position erased The absolute position data is faulty. The power was switched on for the first time in the absolute position detection system. Alarm content After the scale measurement encoder was set to the absolute position detection system, the power was switched on for the first time.
  • Page 28 1. TROUBLESHOOTING Alarm No.: 25 Name: Absolute position erased The absolute position data is faulty. The power was switched on for the first time in the absolute position detection system. Alarm content After the scale measurement encoder was set to the absolute position detection system, the power was switched on for the first time.
  • Page 29 1. TROUBLESHOOTING Alarm No.: 27 Name: Initial magnetic pole detection error Alarm content The initial magnetic pole detection was not completed properly. Detail Detail name Cause Check method Check result Action Target 27.1 Magnetic pole (1) A moving part collided Check if it collided.
  • Page 30 1. TROUBLESHOOTING Alarm No.: 28 Name: Linear encoder error 2 Alarm content Working environment of linear encoder is not normal. Detail Detail name Cause Check method Check result Action Target 28.1 Linear encoder (1) The ambient Check the ambient It is out of Lower the - Environment temperature of the...
  • Page 31 1. TROUBLESHOOTING Alarm No.: 2B Name: Encoder counter error Alarm content Data which encoder created is failure. Detail Detail name Cause Check method Check result Action Target 2B.1 Encoder (1) An encoder cable is Check if the encoder It has a failure. Repair or replace the counter error 1 malfunctioning.
  • Page 32 1. TROUBLESHOOTING Alarm No.: 31 Name: Overspeed The servo motor seed has exceeded the permissible instantaneous speed. Alarm content The linear servo motor seed has exceeded the permissible instantaneous speed. Detail Detail name Cause Check method Check result Action Target 31.1 Abnormal motor (1) The command pulse...
  • Page 33 1. TROUBLESHOOTING Alarm No.: 32 Name: Overcurrent Alarm content Current that flew is higher than the permissible current of the servo amplifier. Detail Detail name Cause Check method Check result Action Target 32.1 Overcurrent (1) The servo amplifier is Disconnect the servo It occurs.
  • Page 34 1. TROUBLESHOOTING Alarm No.: 32 Name: Overcurrent Alarm content Current that flew is higher than the permissible current of the servo amplifier. Detail Detail name Cause Check method Check result Action Target 32.3 Overcurrent Check it with the check method for [AL. 32.1]. detected at hardware detection circuit...
  • Page 35 1. TROUBLESHOOTING Alarm No.: 34 Name: SSCNET receive error 1 Alarm content An error occurred in SSCNET III/H communication. (continuous communication error with 3.5 ms interval) Detail Detail name Cause Check method Check result Action Target 34.1 SSCNET (1) The SSCNET III cable is Check the SSCNET III It is disconnected.
  • Page 36 1. TROUBLESHOOTING Alarm No.: 35 Name: Command frequency error Alarm content Input pulse frequency of command pulse is too high. Detail Detail name Cause Check method Check result Action Target 35.1 Command (1) The command pulse Check the command The command pulse Check operation frequency error frequency is high.
  • Page 37 1. TROUBLESHOOTING Alarm No.: 36 Name: SSCNET receive error 2 An error occurred in SSCNET III/H communication. (intermittent communication error with about 70 ms Alarm content interval) Detail Detail name Cause Check method Check result Action Target 36.1 Continuous (1) The SSCNET III cable is Check the SSCNET III It is disconnected.
  • Page 38 1. TROUBLESHOOTING Alarm No.: 37 Name: Parameter error Alarm content Parameter setting is incorrect. Detail Detail name Cause Check method Check result Action Target 37.1 Parameter (1) A parameter was set Check if the software It is not supported. Replace with the setting range for a function not version of the servo...
  • Page 39 1. TROUBLESHOOTING Alarm No.: 3A Name: Inrush current suppression circuit error Alarm content The inrush current suppression circuit error was detected. Detail Detail name Cause Check method Check result Action Target 3A.1 Inrush current (1) Inrush current Replace the servo It is not repeatable.
  • Page 40 1. TROUBLESHOOTING Alarm No.: 42 Name: Servo control error Alarm content A servo control error occurred. Detail Detail name Cause Check method Check result Action Target 42.1 Servo control The linear encoder Check the setting of The setting is Set it correctly. error by resolution setting differs [Pr.
  • Page 41 1. TROUBLESHOOTING Alarm No.: 42 Name: Servo control error Alarm content A servo control error occurred. Detail Detail name Cause Check method Check result Action Target 42.2 Servo control The linear encoder Check the setting of The setting is Set it correctly. error by speed resolution setting differs [Pr.
  • Page 42 1. TROUBLESHOOTING Alarm No.: 42 Name: Fully closed loop control error detection (during fully closed loop control) Alarm content A fully closed loop control error has occurred. Detail Detail name Cause Check method Check result Action Target 42.8 Fully closed The resolution of the Check the setting of The setting is...
  • Page 43 1. TROUBLESHOOTING Alarm No.: 45 Name: Main circuit device overheat Alarm content Inside of the servo amplifier overheated. Detail Detail name Cause Check method Check result Action Target 45.1 Main circuit (1) Ambient temperature Check the ambient It is over 55 °C. Lower the ambient device has exceeded 55 °C.
  • Page 44 1. TROUBLESHOOTING Alarm No.: 46 Name: Servo motor overheat Alarm content The servo motor overheated. Detail Detail name Cause Check method Check result Action Target 46.2 Abnormal Ambient temperature of Check the ambient It is over 40 °C. Lower the ambient temperature of the linear servo motor or temperature of the...
  • Page 45 1. TROUBLESHOOTING Alarm No.: 50 Name: Overload 1 Alarm content Load exceeded overload protection characteristic of servo amplifier. Detail Detail name Cause Check method Check result Action Target 50.1 Thermal (1) The servo motor power Check the servo motor It is disconnected. Repair or replace the overload error 1 cable was...
  • Page 46 1. TROUBLESHOOTING Alarm No.: 50 Name: Overload 1 Alarm content Load exceeded overload protection characteristic of servo amplifier. Detail Detail name Cause Check method Check result Action Target 50.4 Thermal (1) A moving part collided Check if it collided. It collided. Check operation overload error 1 against the machine.
  • Page 47 1. TROUBLESHOOTING Alarm No.: 51 Name: Overload 2 Alarm content Maximum output current flowed continuously due to machine collision or the like. Detail Detail name Cause Check method Check result Action Target 51.1 Thermal (1) The servo motor power Check the servo motor It is disconnected.
  • Page 48 1. TROUBLESHOOTING Alarm No.: 52 Name: Error excessive Alarm content Droop pulses have exceeded the alarm occurrence level. Detail Detail name Cause Check method Check result Action Target 52.1 Excess droop (1) The servo motor power Check the servo motor It is disconnected.
  • Page 49 1. TROUBLESHOOTING Alarm No.: 54 Name: Oscillation detection Alarm content An oscillation of the servo motor was detected. Detail Detail name Cause Check method Check result Action Target 54.1 Oscillation (1) The servo system is Check if the servo The torque ripple is Adjust the servo gain detection error unstable and oscillating.
  • Page 50 1. TROUBLESHOOTING Alarm No.: 56 Name: Forced stop error Alarm content The servo motor does not decelerate normally during forced stop deceleration. Detail Detail name Cause Check method Check result Action Target 56.3 Estimated The forced stop Increase the It is not repeatable. Adjust the distance over deceleration time...
  • Page 51 1. TROUBLESHOOTING Alarm No.: 70 Name: Load-side encoder initial communication error 1 Alarm content An error occurs in the communication between the load-side encoder and the servo amplifier. Detail Detail name Cause Check method Check result Action Target 70.1 Load-side (1) A load-side encoder Check if the load-side It has a failure.
  • Page 52 1. TROUBLESHOOTING Alarm No.: 70 Name: Load-side encoder initial communication error 1 Alarm content An error occurs in the communication between the load-side encoder and the servo amplifier. Detail Detail name Cause Check method Check result Action Target 70.3 Load-side An axis not used is not Check the setting of It is not set as...
  • Page 53 1. TROUBLESHOOTING Alarm No.: 70 Name: Load-side encoder initial communication error 1 Alarm content An error occurred in the initial communication between the load-side encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 70.6 Load-side When you use an A/B/Z- Check if the Z-phase It is disconnected or...
  • Page 54 1. TROUBLESHOOTING Alarm No.: 71 Name: Load-side encoder normal communication error 1 Alarm content An error occurred in the communication between the load-side encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 71.1 Load-side (1) A load-side encoder Check if the load-side It has a failure.
  • Page 55 1. TROUBLESHOOTING Alarm No.: 72 Name: Load-side encoder normal communication error 2 Alarm content The load-side encoder detected an error signal. Detail Detail name Cause Check method Check result Action Target 72.1 Load-side The encoder detected a Decrease the loop It is not repeatable.
  • Page 56 1. TROUBLESHOOTING Alarm No.: 74 Name: Option card error 1 MR-J3-T10 came off. Alarm content MR-J3-T10 is not properly recognized. Detail Detail name Cause Check method Check result Action Target 74.2 Option card Check it with the check method for [AL. 74.1]. error 2 74.3 Option card...
  • Page 57 1. TROUBLESHOOTING Alarm No.: 8A Name: USB communication time-out error/serial communication time-out error Communication between the servo amplifier and a personal computer stopped for the specified time or Alarm content longer. Detail Detail name Cause Check method Check result Action Target 8A.1 Communication...
  • Page 58 1. TROUBLESHOOTING Alarm No.: 8D Name: CC-Link IE communication error MR-J3-T10 came off. Alarm content An error occurred in CC-Link IE communication. Detail Detail name Cause Check method Check result Action Target 8D.1 CC-Link IE (1) The MR-J3-T10 came Check if [AL. 74 It occurred.
  • Page 59 1. TROUBLESHOOTING Alarm No.: 8D Name: CC-Link IE communication error Alarm content An error occurred in CC-Link IE communication. Detail Detail name Cause Check method Check result Action Target 8D.7 CC-Link IE The transmission status Check the noise, It has a failure. Take [RJ010] communication...
  • Page 60 1. TROUBLESHOOTING Alarm No.: 8E Name: USB communication error/serial communication error Alarm content The communication error occurred between servo amplifier and a personal computer. Detail Detail name Cause Check method Check result Action Target 8E.4 (1) The transmitted Check the command The transmitted Correct the communication...

  • Page 61: Remedies For Warnings

    1. TROUBLESHOOTING 1.3 Remedies for warnings If [AL. E3 Absolute position counter warning] occurs, always make home position CAUTION setting again. Otherwise, it may cause an unexpected operation. POINT When any of the following alarms has occurred, do not cycle the power of the servo amplifier repeatedly to restart.
  • Page 62 1. TROUBLESHOOTING Alarm No.: 93 Name: ABS transfer data warning Alarm content ABS data was not transferred. Detail Detail name Cause Check method Check result Action Target 93.1 ABS data (1) The Z-phase was not Check if the position It is "0". (The Z-phase Turn on the Z-phase transfer turned on at servo-on.
  • Page 63 1. TROUBLESHOOTING Alarm No.: 96 Name: Home position setting warning Alarm content Home position setting could not be made. Detail Detail name Cause Check method Check result Action Target 96.1 In-position (1) INP (In-position) did not Check the droop It is In-position range Adjust gains to set warning at turn on within the...
  • Page 64 1. TROUBLESHOOTING Alarm No.: 9D Name: CC-Link IE warning 1 The station No. switch setting was changed after power-on. Alarm content The station No. setting differs from that of master station. Detail Detail name Cause Check method Check result Action Target 9D.1 Station number...
  • Page 65 1. TROUBLESHOOTING Alarm No.: E0 Name: Excessive regeneration warning There is a possibility that regenerative power may exceed permissible regenerative power of built-in Alarm content regenerative resistor or regenerative option. Detail Detail name Cause Check method Check result Action Target E0.1 Excessive (1) The regenerative power...
  • Page 66 1. TROUBLESHOOTING Alarm No.: E2 Name: Servo motor overheat warning Alarm content [AL. 46.2 Abnormal temperature of servo motor 2] may occur. Detail Detail name Cause Check method Check result Action Target E2.1 Servo motor (1) The temperature of the Check it with the check method for [AL.
  • Page 67 1. TROUBLESHOOTING Alarm No.: E6 Name: Servo forced stop warning Alarm content EM2/EM1 (Forced stop) turned off. Detail Detail name Cause Check method Check result Action Target E6.1 Forced stop (1) EM2/EM1 (Forced stop) Check the status of It is off. Ensure safety and warning turned off.
  • Page 68 1. TROUBLESHOOTING Alarm No.: E9 Name: Main circuit off warning The servo-on command was inputted with main circuit power supply off. Alarm content The bus voltage dropped during the servo motor driving under 50 r/min. Detail Detail name Cause Check method Check result Action Target...
  • Page 69 1. TROUBLESHOOTING Alarm No.: ED Name: Output watt excess warning The status, in which the output wattage (speed × torque) of the servo motor exceeded the rated output, Alarm content continued steadily. Detail Detail name Cause Check method Check result Action Target ED.1 Output watt...

  • Page 70: Trouble Which Does Not Trigger Alarm/Warning

    1. TROUBLESHOOTING 1.4 Trouble which does not trigger alarm/warning POINT When the servo amplifier, servo motor, or encoder malfunctions, the following status may occur. The following example shows possible causes which do not trigger alarm or warning. Remove each cause referring this section.
  • Page 71 1. TROUBLESHOOTING Description Possible cause Check result Action Target The display shows "Ab". The axis is disabled. Check if the disabling control Turn off the disabling control axis switch is on. axis switch. [WB] [B]: SW2-2 [WB]: SW2-2 to 2-4 The setting of the axis No.
  • Page 72 1. TROUBLESHOOTING Description Possible cause Check result Action Target The display shows "b##". Test operation mode has Test operation setting switch Turn off the test operation (Note) been enabled. (SW2-1) is turned on. setting switch (SW2-1). [WB] [RJ010] The system has been in the Check if the servo ready Turn on the servo-on signals ready-off state.
  • Page 73 1. TROUBLESHOOTING Description Possible cause Check result Action Target The servo motor does not The setting of the torque limit Check if the torque limit is Set it correctly. operate. is incorrect. "0". [WB] [A]: [Pr. PA11] and [Pr. [RJ010] PA12], or analog input [B] [WB] [RJ010]: Setting on controller side...
  • Page 74 1. TROUBLESHOOTING Description Possible cause Check result Action Target The servo motor does not The axis is disabled. Check if the disabling control Turn off the disabling control operate. axis switch is on. axis switch. [WB] [B]: SW2-2 [WB]: SW2-2 to 4 An error is occurring on the Check if an error is occurring Cancel the error of the servo...
  • Page 75 1. TROUBLESHOOTING Description Possible cause Check result Action Target An unusual noise is The servo gain is low. Or the Check if the trouble is solved Adjust gains. occurring at the servo motor. response of auto tuning is by increasing auto tuning low.
  • Page 76 1. TROUBLESHOOTING Description Possible cause Check result Action Target The rotation accuracy is low. The servo gain is low. Or the Check if the trouble is solved Adjust gains. response of auto tuning is by increasing auto tuning (The speed is unstable.) low.
  • Page 77 1. TROUBLESHOOTING Description Possible cause Check result Action Target Home position deviates at For the dog type home Check if a fixed amount (in Adjust the dog position. home position return. position return, the point one revolution) deviates. which the dog turns off and [WB] the point which Z-phase [RJ010]...
  • Page 78 1. TROUBLESHOOTING Description Possible cause Check result Action Target The position deviates during SON (Servo-on) turned off Check if SON (Servo-on) is Review the wiring and operation after home position during operation. off during operation using sequence not to turn off SON return.
  • Page 79 1. TROUBLESHOOTING Description Possible cause Check result Action Target A communication with servo They are off-line status. Check if they are off-line. Set them to on-line. amplifier fails using MR A communication cable is Check if the communication Replace the communication Configurator2.

  • Page 80: Drive Recorder

    2. DRIVE RECORDER 2. DRIVE RECORDER 2.1 How to use drive recorder POINT The drive recorder will not operate on the following conditions. You are using the graph function of MR Configurator2. You are using the machine analyzer function. [Pr. PF21] is set to "1". The controller is not connected (except the test operation mode).

  • Page 81: Control Process Error

    2. DRIVE RECORDER (2) Recordable data by drive recorder When the setting value is "0 0 0 0" (initial value) in [Pr. PA23 Drive recorder arbitrary alarm trigger setting], the drive recorder will record data of standard column in table 2.1 or 2.2 for all alarms. When you set an alarm in table 2.1 or 2.2 to [Pr.
  • Page 82 2. DRIVE RECORDER Table 2.1 MR-J4-_B_(-RJ), MR-J4-_B-RJ010, or MR-J4W_-_B Measure- Sampling Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 ment time time [ms] [ms] Analog Motor Torque Current Droop Speed Effective 0.888 speed command pulses...
  • Page 83 2. DRIVE RECORDER Measure- Sampling Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 ment time time [ms] [ms] Analog Motor Torque Current Droop Speed Error speed command pulses command voltage excessive AL.52 (100 alarm pulses)
  • Page 84 2. DRIVE RECORDER Table 2.2 MR-J4-_A_(-RJ) Measure- Sampling Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 ment time time [ms] [ms] Analog Motor Torque Current Droop Speed Effective 0.888 speed command pulses command voltage load ratio...
  • Page 85 2. DRIVE RECORDER Measure- Sampling Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 ment time time [ms] [ms] Analog Motor Torque Current Droop Speed Error speed command pulses command voltage excessive AL.52 (100 alarm pulses)
  • Page 86 2. DRIVE RECORDER Table 2.3 Signal explanations Signal name Description Unit Motor speed The servo motor speed is displayed. [r/min] Torque The servo motor torque is displayed with current value. [0.1%] The value of torque being occurred is displayed in real time considering a rated torque as 100%.
  • Page 87 2. DRIVE RECORDER Signal name Description Unit CSON This indicates status of the servo-on signal from the controller. This Indicates the SON status of the external input signal. This indicates status of the emergency stop input. EM2/EM1 This Indicates the EM2/EM1 status of the external input signal. ALM2 This will turn on when an alarm is detected in the servo amplifier.

  • Page 88: How To Display Drive Recorder Information

    2. DRIVE RECORDER 2.2 How to display drive recorder information Select "Diagnosis" and "Drive Recorder" from the menu bar of MR Configurator2. The window shown in the right hand image will be displayed. (a) Click the Waveform-Display button to display the graph preview window which shows data before and after alarm occurrence.
  • Page 89 2. DRIVE RECORDER MEMO 2 - 10...

  • Page 90: Appendix

    APPENDIX App. 1 Detection points of [AL. 25], [AL. 92], and [AL. 9F] The following diagram shows detection points of [AL. 25 Absolute position erased], [AL. 92 Battery cable disconnection warning], and [AL. 9F Battery warning]. (1) MR-J4-_A or MR-J4-_B Servo amplifier Servo motor encoder [AL.
  • Page 91 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 92 Mitsubishi Electric Automation Inc. : +1-847-478-2100 500 Corporate Woods Parkway, Vernon Hills, IL 60061, USA : +1-847-478-0327 Germany Mitsubishi Electric Europe B.V. German Branch : +49-2102-486-0 Gothaer Strasse 8, D-40880 Ratingen, Germany : +49-2102-486-1120 Italy Mitsubishi Electric Europe B.V. Italian Branch...
  • Page 93 Warranty 1. Warranty period and coverage We will repair any failure or defect hereinafter referred to as "failure" in our FA equipment hereinafter referred to as the "Product" arisen during warranty period at no charge due to causes for which we are responsible through the distributor from which you purchased the Product or our service provider.
  • Page 94 MR-J4 INSTRUCTIONMANUAL MODEL (TROUBLESHOOTING) MODEL 1CW808 CODE HEAD OFFICE : TOKYO BLDG MARUNOUCHI TOKYO 100-8310 This Instruction Manual uses recycled paper. SH (NA) 030109-D (1308) MEE Printed in Japan Specifications are subject to change without notice.

This manual is also suitable for:

Melservo-j4

Table of Contents