Check if 24 VDC power is supplied to "1A7" (pin No.) of the external input signal connector.

For issuance of a certificate, please consult your local Mitsubishi representative.

Alarm 2149 (Main circuit OFF warning) occurs when the servo system turns ON with no power supplied to the servo main cir

Major error 1201 occurs when the absolute position is erased.Execute the home position return after checking the batteri

Unless the necessity is described in manuals, a noise filter is not required. However, if the programmable controller i

Minor error 120 occurs in the following case:The zero pass signal (M2406+20n) is OFF when the re-movement to the home po

Most of the existing programmable controllers are compliant with the EU RoHS Directive. For details, please consult your

Error 3012 occurs when the multiple CPU setting of PLC CPU (CPU No.1) does not match that of Motion CPU. (1) Check if th

Mitsubishi Electric shall accept product repairs for seven years after production of the product is discontinued. Howeve

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FAQ within [ Controllers ]

41-50 of Total 1110

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Input/output signal

Check if 24 VDC power is supplied to "1A7" (pin No.) of the external input signal connector. More Details >>
- No：23594
- Release Date：2018/09/14 15:09
- Category： RD77MS , QD77MS , QD75MH , QD75M
Regarding the Certificate of non-applicability to export to other countries

For issuance of a certificate, please consult your local Mitsubishi representative. More Details >>
- No：22301
- Release Date：2018/08/30 13:55
- Update：2023/06/23 10:15
- Category： MELSEC iQ-F Series , Option , CPU Module , I/O Module , Engineering Software , Network/Communication , Motion/Positioning , High-Speed Counter , Analog
Certificate of non-applicability to export MELSEC-F to other countries

For issuance of a certificate, please consult your local Mitsubishi representative. More Details >>
- No：22264
- Release Date：2018/08/30 13:48
- Category： MELSEC-F Series , Main Unit , I/O Extension , Analog Control , High-Speed Counting , Positioning Control , Network/Communication , Accessories
Alarm 2149

Alarm 2149 (Main circuit OFF warning) occurs when the servo system turns ON with no power supplied to the servo main circuit. Review the condition of servo O... More Details >>
- No：23566
- Release Date：2018/09/14 15:09
- Category： Q17nDSCPU , Q17nDCPU , Q170MSCPU , Q170MCPU , Q17nHCPU , Q17nCPUN
Major error 1201

Major error 1201 occurs when the absolute position is erased.Execute the home position return after checking the batteries of the Motion CPU module and the s... More Details >>
- No：23561
- Release Date：2018/09/14 15:09
- Category： Q17nDSCPU , Q17nDCPU , Q170MSCPU , Q170MCPU , Q17nHCPU , Q17nCPUN
Necessity for installing a noise filter

Unless the necessity is described in manuals, a noise filter is not required. However, if the programmable controller is used in an environment with much no... More Details >>
- No：22283
- Release Date：2018/08/30 13:48
- Category： MELSEC-F Series , Main Unit , I/O Extension , Analog Control , High-Speed Counting , Positioning Control , Network/Communication , Accessories
Minor error120

Minor error 120 occurs in the following case:The zero pass signal (M2406+20n) is OFF when the re-movement to the home position is performed by proximity dog,... More Details >>
- No：23559
- Release Date：2018/09/14 15:09
- Category： Q17nDSCPU , Q17nDCPU , Q170MSCPU , Q170MCPU , Q17nHCPU , Q17nCPUN
Compliance of the FX programmable controllers with the EU RoHS Directive

Most of the existing programmable controllers are compliant with the EU RoHS Directive. For details, please consult your local Mitsubishi Electric representa... More Details >>
- No：24888
- Release Date：2019/04/15 08:07
- Category： MELSEC-F Series , Main Unit , I/O Extension , Analog Control , High-Speed Counting , Positioning Control , Network/Communication , Accessories
Error 3012

Error 3012 occurs when the multiple CPU setting of PLC CPU (CPU No.1) does not match that of Motion CPU. (1) Check if the multiple CPU setting of the Multipl... More Details >>
- No：23563
- Release Date：2018/09/14 15:09
- Category： Q17nDSCPU , Q17nDCPU , Q170MSCPU , Q170MCPU , Q17nHCPU , Q17nCPUN
Repair term for the FX programmable controllers after discontinuation of production

Mitsubishi Electric shall accept product repairs for seven years after production of the product is discontinued. However, some products cannot be repaired d... More Details >>
- No：24996
- Release Date：2019/04/23 10:41
- Category： MELSEC-F Series , Main Unit , I/O Extension , Analog Control , High-Speed Counting , Positioning Control , Network/Communication , Accessories

41-50 of Total 1110

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