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	Question	Posted Date
	How are user units and other related parameters configured when using MotionWorks+? Posted Date: 07/13/2004 Answer: When programming an MP940 Machine Controller, using MotionWorks+ programming environment, the following should be reviewed. This document illustrates the configuration of user units when using MotionWorks+. There are three main areas of interest: 1) System Properties 2) System Variables 3) System Parameters This document is intended to be a quick reference tool for configuration of user units. For more in depth information regarding the parameters discussed in this document, refer to the MotionWorks+ User's Manual YEA-SIA-C887-1.5x. Where x indicates revision level. The appendix for this document depicts several application examples: 1) Ball Screw 2) Conveyor 3) Rotary Table 4) Multi-head rotary placer (cutter) A detailed explanation is provided in the attached document. Attachments: 312KB Product Group/Line: Controllers, MotionWorks Plus Software Topic/Sub Topic: Ask a Technical Question, Programming, Start Up - Installation Document Number: MMIR-5ESHWE Published Date: 07/13/2004 Share \| Rate Rate this article :	07/13/2004
	How are the Electronic Gear Ratio parameters, Pn202 and Pn203, set for linear motors? Posted Date: 07/25/2005 Answer: The positioning resolution of the linear motor when used with the Sigma II SGDH servo amplifier in position mode is equal to the linear encoder scale pitch divided by 256. For a 20 micron pitch linear encoder (i.e. Renishaw RGH22B), the positioning resolution is 20 micron/256. The incoming position reference is scaled by the Electronic Gear Ratio. Pn202 is the Electronic Gear Ratio numerator, set to a default of 4. Pn203 is the Electronic Gear Ratio denominator, set to a default of "1". Therefore, with these these default settings, for every reference input pulse, the linear motor will move (4/1) x (20 microns/256) or 0.3125 microns, assuming a 20 micron pitch linear encoder. The Electronic Gear Ratio can be changed to allow for "friendlier" positioning units. For example, assuming a 20 micron pitch linear encoder: 1.) The desired position reference resolution is one micron (or 0.001mm). For every reference pulse, the linear motor moves one micron. To achieve this resolution, set Pn202=256 and Pn203=20. Now, for every reference pulse, the linear motor will move (256/20) x (20 microns/256) or one micron. 2.) The desired position reference resolution is 0.001 inch. Set Pn202=8128 and Pn203=25. Now for every reference pulse, the linear motor will move (8128/25) x (20 microns/256) x (25.4 inches/0.001mm), which is equal to 0.001 inch. Product Group/Line: Servo Products, SGDH Sigma II, SGLF Series, SGLG Series, SGLT Series Topic/Sub Topic: Ask a Technical Question, Programming, Start Up - Installation Document Number: PZAC-5MHK9X Published Date: 07/25/2005 Share \| Rate Rate this article :	07/25/2005
	How are SMC controller products connected to Wago Distributed Ethernet I/O devices? Posted Date: 01/18/2005 Answer: Setting up distributed Ethernet I/O is straightforward once IP addresses are known. The SMC products use the Modbus TCP protocol for remote I/O control. To see the PDF application note, see file # TN.MCD.04.027 which details handle management and commands necessary to connect, read, and write to Wago Ethernet I/O. Product Group/Line: Controllers, SMC-3010 LEGEND-MC, SMC-4000, YTerm Software Topic/Sub Topic: Ask a Technical Question, Procedure - Policy Document Number: MTN-66SL3A Published Date: 01/18/2005 Share \| Rate Rate this article :	01/18/2005
	How are servopacks connected and configured in the MP2300Siec Controller? Posted Date: 06/26/2013 Answer: See the attached .PDF file for information. Attachments: 79KB Product Group/Line: Controllers, MotionWorks IEC Topic/Sub Topic: Ask a Technical Question, Troubleshooting Document Number: MTN-7LJLLD Published Date: 06/26/2013 Share \| Rate Rate this article :	06/26/2013
	How are registers in the MP9xx controller monitored from the PC? Posted Date: 09/06/2004 Answer: There are several ways to monitor registers in the MP940, MP930, or MP920 products. 1) MotionWorks+: If the original program was written in MotionWorks+, the "Data Monitoring" feature can be used to monitor the value of any user or system variable, including I/O monitoring. 2) MotionWorks Register List: MotionWorks ladder-based software has a Register List utility that allows the user to set or monitor groups of registers simply. 3) MotionWorks Tuning Panel: MotionWorks also has a utility called 'Tuning Panel', which allows you to set or monitor many individual registers. 4) HMI: Most major brands of HMI interfaces have Memobus drivers available for communication with Yaskawa MP Series controllers. 5) CamTool: CamTool allows tables of data (in the form of a generated cam table) to be sent to the controllers. (Requires MotionWorks or MotionWorks+ to be installed.) 6) CSVTool: A separate run-time software tool called 'CSVTool' allows CSV (Comma Separated Variable) files to be uploaded to or downloaded from the controller. (Requires MotionWorks or MotionWorks+ to be installed.) CLICK HERE for more information. 7) EXCELTool: This Microsoft Excel spreadsheet macro allows contents of specific cells to be changed by hand and sent to the controller. Registers can also be read from the controller. (Requires MotionWorks or MotionWorks+ to be installed.) 8) Visual Basic: Yaskawa has developed a sample application in Visual Basic utilizing a readily available Modbus driver. The demo program shows how to use this Modbus driver to retrieve (M) registers from the MP9xx controllers via Memobus. It allows up to three "M" registers in the MP9xx to be read and one to be written at a time. The Visual Basic program does all the data manipulation necessary to use the Modbus driver as a Memobus communication tool (required for MP9xx). Both the compiled program and the source code are available. Attachments: 3.0MB 2KB Product Group/Line: Controllers, MP920 Machine Controller, MP930 Machine Controller, MP940 Machine Controller Topic/Sub Topic: Ask a Technical Question, Maintenance, Applications, Programming, Troubleshooting Document Number: MNEN-5CJMME Published Date: 09/06/2004 Share \| Rate Rate this article :	09/06/2004
	How are pLimit_PositioningError and sPosition_CompletionWindow used to control positioning accuracy? Posted Date: 05/21/2001 Answer: The goal in a positioning system is to get from Point A to Point B (see attached SmplMove.pdf). But how close to Point B must the system be? Also, how much deviation is allowed on the way to point B? MotionWorks+ has a couple of system parameters that can help the programmer manage this. As with all of the system parameters, these are described in the "Programming Concept" section in your MotionWorks+ software manual. pLimit_PositioningError: This parameter is the maximum allowable following error that the servo will be allowed to accumulate before an alarm is generated. This can occur during any part of the move. Usually, the maximum following error occurs during acceleration. If the following error exceeds this value, an A.9F alarm will be generated, and the system bit mPosition_Error_Exceeded will be set to "1". Even if a system needs to be very precise at the end of the move, the maximum error during the move will be much higher in most instances, depending on the acceleration. Remember to set the value of pLimit_PositioningError sufficiently high. This value will have NO EFFECT on the final position precision. sPosition_CompletionWindow: This parameter defines the maximum distance allowed between the final target and the servo for a move to be considered complete. If an index move with the "wait for completion" property set to "true" is used, program execution will be stalled until the position of the motor is at the commanded position, plus or minus this window. Setting this value larger just means that the final target need not be as close to the target before execution continues. The default value of sPosition_CompletionWindow is 0.0 user units, meaning that the motor has to be EXACTLY at position before execution can continue. With the default tuning gains in the amplifier being so low, it is often difficult to achieve this level of precision, and the program will appear to "freeze" on the index block. In reality, the program is waiting for the position to get within the window, something that the tuning gains are not high enough to accomplish. You may even find that a small push into position will cause the move to complete and the program to continue. Neither of these parameters will determine how closely a system will follow the command, only how the system will react to the error. The following error during the move and the precision at the end of the move are always determined by the tuning of the system. If the system is generating A.9F errors due to excessive position error, or if the program is hanging while waiting for a move to complete, then these are the parameters to check. If these parameters are set appropriately, then the tuning needs to be improved. Attachments: 9KB Product Group/Line: Controllers, MotionWorks Plus Software, MP940 Machine Controller Topic/Sub Topic: Ask a Technical Question, Alarm, Programming, Specifications, Troubleshooting Document Number: MNEN-5CJMN2 Published Date: 05/21/2001 Share \| Rate Rate this article :	05/21/2001
	How are Modbus/TCP update rates set when the MPiec controller is configured as the Modbus/TCP Master? Posted Date: 06/26/2013 Answer: When a Modbus/TCP server (slave) device is added to the client configuration of the MPiec controller(MPiec acting as the Modbus/TCP Master), the device needs to be assigned to a task and an update interval (poll period) has to be specified for that server device (See the attached .PDF File for examples and further information). Attachments: 148KB Product Group/Line: Controllers, MotionWorks IEC, MP2000iec Series, MP2300Siec, MP2310iec Topic/Sub Topic: Ask a Technical Question, Instructions, Software Document Number: MTN-7UFJEP Published Date: 06/26/2013 Share \| Rate Rate this article :	06/26/2013
	How are cam tables organized? Posted Date: 05/21/2001 Answer: The first point in the cam table is the number of master/follower pairs in the table. The subsequent points are the master and follower data points. If any master position is not found in the data table, the value will be interpolated from the nearest points. This interpolation is linear, so any "curved" sections of the cam table are actually made up from several small "straight-line" segments. The attached document, CamTable.pdf, will explain this function further. Attachments: 10KB Product Group/Line: Controllers, MotionWorks Software, MotionWorks Plus Software, MP920 Machine Controller, MP930 Machine Controller, MP940 Machine Controller Topic/Sub Topic: Ask a Technical Question, Applications, Programming Document Number: MNEN-5CJMNA Published Date: 05/21/2001 Share \| Rate Rate this article :	05/21/2001
	How about the Analog Input Connector Cable? Posted Date: 07/27/2007 Answer: There is no need for this option, since the V1000 can accept two different analog inputs. Product Group/Line: Inverter Drives, V1000 Drive Topic/Sub Topic: Ask a Technical Question, Options Document Number: DRV-75FSSR Published Date: 07/27/2007 Share \| Rate Rate this article :	07/27/2007
	Hbb fault occurs with the H1,H2 and HC jumpered, what else could the issue be? Posted Date: 08/28/2012 Answer: A Hbb fault can be caused by improper use of the drives (S1-S8)digital inputs. If a customer is using the drives internal power supply and uses SC as the ground, this will cause a Hbb fault. Please use SN when using the drives internal voltage in sinking mode. (See attached.) As a note, the drive can utilize the 2 separate sources of power for the safety digital inputs and the (S1-S8) drive, but does not pertain to the Hbb alarm we discuss here. Attachments: 29KB Product Group/Line: Inverter Drives, A1000 Drive Topic/Sub Topic: Ask a Technical Question, Alarm Document Number: DRV-8W9LNT Published Date: 08/28/2012 Share \| Rate Rate this article :	08/28/2012
	Has Yaskawa scheduled any Z1000U Factory Training yet? If yes, what are the dates? Posted Date: 01/21/2015 Answer: The existing Z1000 training classes will be modified to include the Z1000U. The application programming class will be updated in March 2015 and the installation and startup class will be updated in April 2015. If you have additional questions, please contact our training department at training@yaskawa.com. Product Group/Line: Inverter Drives, Z1000U Matrix Drive Topic/Sub Topic: Ask a Technical Question, Product Launch, Training Document Number: INV-5RWX1Q Published Date: 01/21/2015 Share \| Rate Rate this article :	01/21/2015
	Has Yaskawa scheduled any U1000 Factory Training yet? If yes, what are the dates? Posted Date: 04/21/2015 Answer: The existing A1000 training classes will be modified to include the U1000 and can be found in the training schedule. If you have additional questions, please contact our training department at training@yaskawa.com. Product Group/Line: Inverter Drives, U1000 Industrial Matrix Drive Topic/Sub Topic: Ask a Technical Question, Training, Product Launch Document Number: INV-D825UT Published Date: 04/21/2015 Share \| Rate Rate this article :	04/21/2015
	Harmonic current distortion data. Posted Date: 06/12/2014 Answer: See attached. Attachments: 52KB Product Group/Line: Inverter Drives, P5 GPD506 Drive, P5 Drive 600 Volt Topic/Sub Topic: Ask a Technical Question, Harmonics Document Number: DRV-5JWTXU Published Date: 06/12/2014 Share \| Rate Rate this article :	06/12/2014
	Given a Sigma Mini SGMM-A1C312, What does the "C" stand for and what cables are used on this motor? Posted Date: 08/19/2004 Answer: SGMM-A1C312 is a non-CE rated version of the Sigma Mini motor. This motor is designated with a "C" right after the "A1" or "A2" in the part number (the CE rated motor has an "S" in this slot). The encoder connector that comes off of the motor is different from the standard connector. The cable that will mate up with the amplifier is part number JZSP-CFP00-01(A). Product Group/Line: Servo Products, SGMM Sigma Mini Topic/Sub Topic: Ask a Technical Question, Hardware, Specifications Document Number: MNEN-5CJMQU Published Date: 08/19/2004 Share \| Rate Rate this article :	08/19/2004
	GF -- Fault Code Description Posted Date: 11/16/2009 Answer: Digital Operator Display Text: GF Ground Fault Description:Output Ground Fault Drive output grounding current has exceeded 50% of the Drive rated output current. Causes:Motor lead is shorted to ground, DCCT defective Corrective Actions:Remove the motor and run the Drive without the motor - - - Check the motor for a phase to ground short. - - - Check the output current with a clamp on meter to verify the DCCT reading. For information on resetting a fault, see FAQ# DRV-5P8PGJ. For more information and a complete list of fault codes see the following manuals TM.E7.01, TM.F7.01 and TM.P7.01. Product Group/Line: Inverter Drives, E7 Drive, E7B Drive Bypass, E7C Drive Configured, E7E Drive Engineered, E7L Drive Bypass, E7N Narrow Bypass Package, E7S Slim Configured Drive, F7 Drive, P7 Drive Topic/Sub Topic: Ask a Technical Question, Fault Code Description Document Number: DRV-5P4KUB Published Date: 11/16/2009 Share \| Rate Rate this article :	11/16/2009
	GF - Fault Code Description Posted Date: 06/08/2007 Answer: Digital Operator Display Text: GF Ground Fault Description: Designed to protect the inverter. Inverter output grounding current has exceeded 50% of the inverter rated current. Possible Cause(s): Motor lead shorted to ground, DCCT defective. Corrective Action: Remove the motor and run the inverter without the motor. Check the motor for a phase to ground short. Check the output current with a clamp on meter to verify the DCCT reading. For information on resetting a fault on G5, E7, F7or G7 Drives, see FAQ# DRV-5P8PGJ. For more information and a complete list of fault codes see the following manuals TM4515, TM4506 and PP.P5G5.01. Product Group/Line: Inverter Drives, G5HHP Drive, G5 GPD515 Drive, P5 GPD506 Drive, P5 Drive 600 Volt, G5 Drive 600 Volt Topic/Sub Topic: Ask a Technical Question, Fault Code Description Document Number: DRV-5NZRXN Published Date: 06/08/2007 Share \| Rate Rate this article :	06/08/2007
	For Compass applications, are there any recommended postprocessors? Posted Date: 05/21/2020 Answer: OEMs typically suggest preferences to the end customer. We have posted files through Simplfy3D and Autodesk. Product Group/Line: Yaskawa Compass, Controllers Topic/Sub Topic: Software, Ask a Technical Question Document Number: CNT-S42GEU Published Date: 05/21/2020 Share \| Rate Rate this article :	05/21/2020
	For Compass, can you provide an easy way to manage laser output power in relationship to the path speed? Posted Date: 05/19/2020 Answer: The MPiec Toolbox side of the Compass solution has provision to synchronize a digital or analog output with the TCP path. Something like a series of G1 X5 Y5 G444 V123.5 can be used where the G444 is a custom code to set a laser output along this path segment and the laser intensity value is specified by parameter V. Product Group/Line: Yaskawa Compass, Controllers Topic/Sub Topic: Software, Ask a Technical Question Document Number: CNT-OCOFPU Published Date: 05/19/2020 Share \| Rate Rate this article :	05/19/2020
	FBL -- Fault Code Description Posted Date: 11/16/2009 Answer: Digital Operator Display Text: FBL Feedback Loss Description: PI Feedback Loss: This fault occurs when PI Feedback Loss Detection is programmed to fault (b5-12 = 2) and the PI Feedback < PI Feedback Loss Detection Level (b5-13) for the PI Feedback Loss Detection Time (b5-14). Causes: PI Feedback source (e.g. transducer, sensor, building automation signal) is not installed correctly or is not working. Corrective Actions: Verify Drive is programmed to receive the PI Feedback source signal - - - Check to ensure the PI Feedback source is installed and working properly. For information on resetting a fault, see FAQ# DRV-5P8PGJ. For more information and a complete list of fault codes see the following manuals TM.E7.01, TM.F7.01 and TM.P7.01. Product Group/Line: Inverter Drives, E7 Drive, E7B Drive Bypass, E7C Drive Configured, E7E Drive Engineered, E7L Drive Bypass, E7N Narrow Bypass Package, E7S Slim Configured Drive, F7 Drive, P7 Drive Topic/Sub Topic: Ask a Technical Question, Fault Code Description Document Number: DRV-5P4KSS Published Date: 11/16/2009 Share \| Rate Rate this article :	11/16/2009
	FAN -- Fault Code Description Posted Date: 06/20/2013 Answer: Digital Operator Display Text: FAN (blinking) Description: FAN (Cooling fan fault) Cooling fan is locked. Causes and Corrective Actions: Check the following: * Cooling fan * Cooling fan wiring is not connected. A complete list of fault codes is available in the V7 instruction manual. Find the manual on the Yaskawa website. Product Group/Line: Inverter Drives, V74X Drive, V7N Drive, V7 Drive Topic/Sub Topic: Ask a Technical Question, Fault Code Description Document Number: DRV-5P3JRU Published Date: 06/20/2013 Share \| Rate Rate this article :	06/20/2013

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Please read and understand the product instruction manual before installing, servicing or operating Yaskawa products. FAQ content and illustrations are provided as technical advice to augment the information in manual, not supersede it. It is not possible to give detailed instructions for all types of installation or support activities. The information described in the FAQs are subject to change without notice to improve the product or FAQ. Yaskawa assumes no responsibility for errors or omissions or damages resulting from the use of the information contained in any FAQ. All warnings, cautions and product instruction for product use must be followed. Installation, operation and maintenance should be carried out by qualified personnel. Failure to observe these and other precautions highlighted in the product manuals will expose the user to high voltages resulting in, serious injury or death. Qualified personnel are defined as individuals who are familiar with the installation, starting, operation and maintenance of Yaskawa products of the type described and have proper qualifications to perform the work.

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