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840D encoder disable

Created by: Osandros at: 9/2/2019 12:52 PM (13 Replies)

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9/2/2019 12:52 PM	Rate (0)
Osandros Posts: 10 Rating: (0)	Good day! We have a CNC 840D (NCU 573.4), which includes 6 axes and controls the saw machine. It has 2 cutter drives. The cutter drives are rather simple and rotates constantly at the same speed. Last time we faced with incremental encoder problem, it began to fail, as the external environment is quite aggressive. The encoder is mounted on the motor shaft and connected directly to the drive. Since the drive is not so important, we decided to disable this encoder with the MD30240 parameter, but after that the drive did not start and there were no errors. Most likely, something else needs to be changed ... Maybe someone has ideas?
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9/2/2019 12:58 PM	Rate (0)
nulizhang Platinum Expert Joined: 10/17/2007 Last visit: 11/4/2024 Posts: 4064 Rating: (357)	What is your problem now? what your need to ? Osandros Good day! We have a CNC 840D (NCU 573.4), which includes 6 axes and controls the saw machine. It has 2 cutter drives. The cutter drives are rather simple and rotates constantly at the same speed. Last time we faced with incremental encoder problem, it began to fail, as the external environment is quite aggressive. The encoder is mounted on the motor shaft and connected directly to the drive. Since the drive is not so important, we decided to disable this encoder with the MD30240 parameter, but after that the drive did not start and there were no errors. Most likely, something else needs to be changed ... Maybe someone has ideas?
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9/2/2019 1:04 PM	Rate (0)
Osandros Posts: 10 Rating: (0)	I want to disable the encoder and work without it. Since in the last year I changed 3 encoders! Thank!
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9/3/2019 9:32 AM	Rate (0)
PISCEAN 2010 Diamond Expert Joined: 4/23/2010 Last visit: 12/31/2023 Posts: 8092 Rating: (878)	What type of motor it is for spindle? have you set MD 30200 to 0?

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9/3/2019 11:27 AM	Rate (0)
Osandros Posts: 10 Rating: (0)	The oder number of motor is 1PH7167-2ND03-0CA3. I have set MD 30200 to 0, but drive didnt start after that
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9/3/2019 1:00 PM	Rate (0)
PISCEAN 2010 Diamond Expert Joined: 4/23/2010 Last visit: 12/31/2023 Posts: 8092 Rating: (878)	I presume this spindle motor is controlled/oeprated by 611D drive. Please confirm the parameters are activated i.e. MD 30200, MD30240 are set to 0. Please disconnect spindle motor encoder cable & check what alarm is displayed on OP? BTW, does your spindle has orientation or does both spindles run on same drive or has individual drives?

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9/4/2019 9:10 AM	Rate (0)
Osandros Posts: 10 Rating: (0)	Osandros I have set MD 30200 to 0, but drive didnt start after that Sorry, I made a mistake. I changed only one parameter MD 30240 to 0, not MD30200. We do not see/have the parameter MD30200. PISCEAN 2010 I presume this spindle motor is controlled/oeprated by 611D drive. Please confirm the parameters are activated i.e. MD 30200, MD30240 are set to 0. Please disconnect spindle motor encoder cable & check what alarm is displayed on OP? BTW, does your spindle has orientation or does both spindles run on same drive or has individual drives? Yes,I’ts true, this spindle motor is controlled/operated by 611D drive. The actual list of parameters see bellow. Please disconnect spindle motor encoder cable & check what alarm is displayed on OP? Each motor is controlled by a separate 611D drive (one drive - one axis) When MD 30240=1 and we unconnected encoder cable from the motor, we have faults: 1) 300504 Axis C1 drive D5 measuring circuit error of motor measuring system 2) 300508 Axis C1 drive D5 zero mark monitoring od motor measuring system 3) 3000 Emergency stop 4) 25201 Axis C1 drive fault 5) 300613 Axis C1 maximum permissible temperature exceeds 6) 025000 Axis C1 hardware fault of active encoder When MD 30240=0 and we unconnected encoder cable from the motor, we have faults: 1) 300504 Axis C1 drive D5 measuring circuit error of motor measuring system 2) 300508 Axis C1 drive D5 zero mark monitoring od motor measuring system 3) 3000 Emergency stop 4) 25201 Axis C1 drive fault 5) 300613 Axis C1 maximum permissible temperature exceeds Attachment 1.jpeg (572 Downloads)
Osandros Posts: 10 Rating: (0)	Last edited by: Osandros at: 09/04/2019 09:12:15
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9/5/2019 11:09 AM	Rate (0)
PISCEAN 2010 Diamond Expert Joined: 4/23/2010 Last visit: 12/31/2023 Posts: 8092 Rating: (878)	Hello, It is C axis i.e. it is not spindle axis (S), it is rotary geometrical axis. You can not disconnect/disable motor encoder for this axis.

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9/16/2019 5:13 AM	Rate (0)
Osandros Posts: 10 Rating: (0)	Why can't I see the MD30200 parameter? Where can I see it and try to change it?
Osandros Posts: 10 Rating: (0)	Last edited by: Osandros at: 09/16/2019 05:14:11
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9/16/2019 8:00 AM	Rate (0)
nulizhang Platinum Expert Joined: 10/17/2007 Last visit: 11/4/2024 Posts: 4064 Rating: (357)	Please post picture of your HMI screen shot--at the page of Machine Data near MD30200 you need see right side there is menu "Option"--youe need cancel all filters let display all MD Osandros Why can't I see the MD30200 parameter? Where can I see it and try to change it?
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