Appendix 6 Explanation of Alarms
MITSUBISHI CNC
IV - 88
Y20 Device setting illegal 0011
Details
- The device which is set as the contactor shutoff output doesn't exist.
- The device which is set as the contactor shutoff output is also used as an output device by the user
PLC.
- The safety observation devices 1 to 3 were set with remote I/O assignment disabled.
Remedy
- In parameters #1353 MC_ct1 set the device to which a remote I/O is connected, and use the device
to control the contactor.
- Check whether the devices set by parameters #1353 MC_ct1 are used as an output device by the
user PLC or not. Restart the NC.
- The observation of the observation speed change signals is not compatible with the safety connector
(SDIO).
Enable the remote I/O assignment (#1341 ssc_rio=1), and connect the observation speed change
signal, that is to be input to the NC control unit, to the I/O unit.
Y20 Contactor operation abnormal 0012 Contactor No.
Details
Contactor's operation is not following the NC's commands.
Displays the No. of the abnormal contactor.
Remedy
- Check and correct "#1353 MC_ct1 (Contactor shutoff output 1 device)" setting.
- Check the wiring for contactor shutoff.
- Check for contactor's welding.
Y20 STO function operation illegal 0013
Details
The drive unit's STO function has failed to work properly.
Remedy
If this alarm has occurred alone, a drive unit failure can be suspected.
If other alarms have been generated at the same time, it is also possible that there is communication
problem. Check the optical cable wiring.
Y20 STO function illegal at pwr ON 0014
Details
The motor power has not been shut down with the STO function when the NC power was turned ON.
Remedy
If this alarm has occurred alone, a drive unit failure can be suspected.
If other alarms have been generated at the same time, it is also possible that there is communication
problem. Check the optical cable wiring.
Y20 Safety signal compare error 0020 (Device No.)
Details
A mismatch between safety signals which were input to the NC Control unit and those which were
input to the Drive unit was detected.
The following causes are assumed:
- Cable is disconnected.
- Sensor is broken.
Alarm No. shows the device No. which has the error. ("0024" indicates the device No. X24.)
When two or more signals are detected for errors, the No. shows the first detected signal.
Remedy
Check the wiring.
Y20 Dual signal: parameter setting error 0027
Details
#2118 SscDrSel, #3071 SscDrSelSp, #2180 S_DIN, #3140 S_DINSp, #2188 S_SigIn, and #3145
S_SigInSP are not correctly set.
Remedy
- Correct the parameter setting.
Содержание E70 Series
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Страница 26: ...I 1 1 Operating the Setting and Display Unit ...
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Страница 286: ...E70 Series Instruction Manual 4 4 Program Input Output I 261 During file transmission During file setting 1 2 4 3 5 6 7 ...
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Страница 440: ...II 3 1 Operation State ...
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Страница 446: ...II 9 3 Reset Switch and Emergency Stop Button ...
Страница 448: ...II 11 4 Operation Mode ...
Страница 456: ...II 19 5 Operation Panel Switches in Operation Mode ...
Страница 460: ...II 23 6 Operation Panel Switch Functions ...
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Страница 496: ...II 59 7 Other Functions ...
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Страница 510: ...III MAINTENANCE ...
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Страница 512: ...III 1 1 Daily Maintenance and Periodic Inspection and Maintenance ...
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Страница 516: ...III 5 2 Hardware Replacement Methods ...
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Страница 532: ...IV APPENDIXES ...
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Страница 534: ...IV 1 Appendix 1 List of Function Codes ...
Страница 536: ...IV 3 Appendix 2 Table of Command Value Ranges ...
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Страница 544: ...IV 11 Appendix 3 Circular Cutting Radius Error ...
Страница 546: ...IV 13 Appendix 4 Registering Editing the Fixed Cycle Program ...
Страница 561: ...Appendix 4 Registering Editing the Fixed Cycle Program MITSUBISHI CNC IV 28 ...
Страница 562: ...IV 29 Appendix 5 RS 232C I O Device Parameter Setting Examples ...
Страница 564: ...IV 31 Appendix 6 Explanation of Alarms ...
Страница 678: ...IV 145 Appendix 7 Operation Messages ...
Страница 699: ...Appendix 7 Operation Messages MITSUBISHI CNC IV 166 ...
Страница 700: ...IV 167 Appendix 8 User Parameters ...
Страница 777: ...Appendix 8 User Parameters MITSUBISHI CNC IV 244 ...
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