MP940 Machine Controller

MP940 Machine Controller - YAI

Single-axis; 115, 240, 480 Volts

The MP940 Machine Controller is a legacy product and no longer promoted in the Americas. (The retrofit/upgrade to the MP940 is the MP2000iec product family, specifically the MP2600iec is a machine controller module fully integrated in to Yaskawa's latest Sigma-5 Series Amplifier. The MP940 Machine Controller series was a single-axis controller and a member of Yaskawa's MotionSuite family of electronic machine controllers. The modular packaging of the MP940 provides integral mounting with Sigma II drives from 30 watt to 55kW, with voltages of 115, 240 and 480 volts.

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Showing 71 to 75 of 79 entries.

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Question	Posted Date
Does Yaskawa offer a template program for the MP940 when using MotionWorks+? Posted Date: 06/24/2013 Answer: Yes - Please see attached two zip files: MW+ Template Prog_02282002.zip Contains full MW+ example program. MotionWorks+ Template Program.pdf Full text (word document) description of above program. The template was created with the following equipment: MotionWorks+ Version 2.56 [SystemLadder 224] or later MP940 Firmware Version A05 SGDH Firmware Version 14 The attached program was created for the Yaskawa MP940 Demonstrator units. (YEA Part # DEMO4700) This template offers full capability and demonstrates the use of many features. Attachments: 410KB 147KB Product Group/Line: Controllers, MotionWorks Plus Software, MP940 Machine Controller Topic/Sub Topic: Ask a Technical Question, Application Example, Programming, Software, Start Up - Installation Document Number: MMIR-5CM5LM Published Date: 06/24/2013 Share \| Rate Rate this article :	06/24/2013
Does the torque limit (sLimit_Torque) need to be set on the MP940? Posted Date: 05/02/2001 Answer: Properly setting the torque limit is a very important step in commissioning an MP940 system. The MP940 requires this information to be set to match the data set in the servopack controller. If the torque limit is not properly set (ie - if the values in servopack and MP940 do not match), the MP940 will indicate an error displaying an A.9F alarm. This condition can be diagnosed by observing two error parameters from within MotionWorks+: "mError_Parameter_Settable" variable bit in the MP940 will be on, and "mError_Parameter_Number" will be 3, that indicates the torque limit is set out of range. The proper torque limit can be calculated by using either "Sigma II Series Servo System User's Manual" or "Sigma II Servo System Product Catalog Supplement" to obtain the peak torque and rated torque values for the motor. Divide the peak torque value by the rated torque, and then multiply that quotient by -10000. This is the setting for "sLimit_Torque" (it must be entered as a negative number). (For MotionWorks users, sLimit_Torque is the same as OWC002 register.) EXAMPLE: Motor SGMGH-20ACA61 motor has a peak torque of 254 in-lb and a rated torque of 102 in-lb. If you divide 254 by 102, the result is 2.49. Multiply this value by -10000 and the result is -24900. In MotionWorks+, enter a value of -24900 for the system variable "sTorque_Limit". When using the MP940 with a servopack, this value will always be a negative number. The following table can be used for reference: Attachments: 924KB Product Group/Line: Controllers, MP940 Machine Controller Topic/Sub Topic: Ask a Technical Question, Alarm, Specifications, Start Up - Installation, Troubleshooting Document Number: MNEN-5CJMMC Published Date: 05/02/2001 Share \| Rate Rate this article :	05/02/2001
Can the decimal or binary value of multiple inputs be read and compared? Posted Date: 07/13/2004 Answer: There are eight local inputs in an MP940 system. In addition to viewing and using these bits individually, they can also be utilized using the I/O variable "Local_Input_Bank" for MotionWorks+ and the input word (IW00000 by default) for MotionWorks. This variable returns an integer value that corresponds to the bits that have been turned on. For instance, if bits 1, 3, 5, and 7 are on and all others off, then the register that holds these values is 10101010 in binary, which is 170 in decimal. Therefore, Local_Input_Bank=170 in that case. Armed with this knowledge, special "tricks" can be used to isolate a smaller group of inputs for our use. To do this, the "Bitwise AND" comparator is used. The Bitwise AND comparison (MW+ uses '&' for this) converts integers to their binary equivalent and compares each bit individually. This requires using a mask to choose which bits to look at and which to ignore. For instance, if the program requires the use of bits 3, 4, and 5 to choose one of eight index lengths, take the Local_Input_Bank variable and bitwise AND it with the mask 00111000 (bits 3-5 on, all others off). The result for bits 3, 4, and 5 will be whatever the input is for that bit, and the other bits will all be zero (anything ANDed with zero results in zero). Result = ???????? & 00111000 = 00???000 For an example and more info see the attached .PDF document Attachments: 13KB Product Group/Line: Controllers, MotionWorks Plus Software, MP940 Machine Controller Topic/Sub Topic: Ask a Technical Question, Applications, Programming Document Number: MNEN-5CJMMW Published Date: 07/13/2004 Share \| Rate Rate this article :	07/13/2004
Can subroutines be called from "L" or "H" drawings? Posted Date: 03/05/2002 Answer: Subroutines, as called in the above question, are better described as sub-drawings. They exist in both H "High speed" and L "Low Speed" type. Each H or L drawing can have its own respective set of hierarchical levels (Parent, Child, Grandchild), there are three levels available. H = parent, H.01 = child, H.01.01 = grandchild. The total number of drawings available depend on the controller type MP920 - 64 A drawings, 200 H drawings, 500 L drawings, 64 I drawings MP930 - 64 A drawings, 100 H drawings, 100 L drawings MP940 - 4 A drawings, 16 H drawings, 32 L drawings, 8 I drawings The primary reason for this is to keep the Ladder Code organized for easier monitoring and debugging. High speed is commonly used for code related to motion and fast I/O response. Low speed is commonly reserved for background operation. An example of a "drawing tree," is attached. Attachments: 13KB Product Group/Line: Controllers, MP920 Machine Controller, MP930 Machine Controller, MP940 Machine Controller Topic/Sub Topic: Ask a Technical Question, Document Clarification, Programming, Specifications Document Number: MNEN-5CJMKQ Published Date: 03/05/2002 Share \| Rate Rate this article :	03/05/2002
Are there any tools to monitor or troubleshoot MP920 and MP940 function blocks operation? Posted Date: 02/22/2005 Answer: Yes, there are several tools available to monitor and troubleshoot the operation of the function blocks. The function block operation is mainly monitored via RDA area (MW00100-MW03199, 100 offset per axis, or MW03200-MW03999, 50 offset per Master/Slave area). See the attached .PDF file for charts and further information. Attachments: 117KB Product Group/Line: Controllers, MotionWorks Plus Software, MP920 Machine Controller, MP930 Machine Controller, MP940 Machine Controller Topic/Sub Topic: Ask a Technical Question, Troubleshooting Document Number: MTN-5WKP33 Published Date: 02/22/2005 Share \| Rate Rate this article :	02/22/2005

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SAFETY PRECAUTIONS AND INSTRUCTIONS FOR USE OF FAQ INFORMATION!

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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