Options. 0 Kudos Message 2 of 2. This was a problem at first, because the amplifier is intended for differential outputs, while my encoders have single. When the button is pressed, PCI-7344's shutdown input (pin 62) will be grounded. The linear encoders on the motors are. . . The PCI-7342 / 7344 includes dual processors, a real-time onboard OS, and multiaxis interpolation. Any combination of 0 to 4 open loop or closed loop stepper motors and 0 to 4 servo motors (always closed loop) is allowed. Hi, I am using a PCI-7344 with a UMI-7764 to try and control 3 linear actuators and 1 semi-rotary actuator, each of these actuators takes a 0-10v dc voltage and has a feedback signal of 0-10v dc, both input and output being proportional to linear/angular displacement. Servo motors expect a pulse every . Member 08-12-2003 06:30 PM. (21 pages) Controller National Instruments FW-7344 Hardware User Manual. . 288. The system works ok, except I have no control over the velocity (does not respond to the vel input vi) as well as there is some hysteresis in the system that provides a large deadband area in the operation about the point where the. The PCI‑7344 offers blended motion trajectory control and fully coordinated circular, linear, point‑to‑point, gearing, and vector-space control in either embedded motion operation or host-centric programming environments. 1. Without seeing the program, it's impossible to tell but execution highlighting and single step mode changes the way the program executes and. I encountered problems controlling the motor with MAX using a digital signal. In the Stepper Settings tab (near the bottom of the screen), select your Stepper Steps Per Revolution, Stepper Loop Mode, Stepper Polarity, Stepper Output Mode, and Pull-in Tries. 1. . "The polarity of the trigger input is programmable in software as active-low (inverting) or active-high (non-inverting), rising or falling edge. 您可以按照以下步骤配置运动控制器并测试步进电机：. 11-09-2010 03:33 PM. PCI-7344. we are using PCI 7344 and labview 7. 3003 DSP from 7. The problem now is: I am not able to wire blocks and delete blocks in the block. 20. Indeed, when we use a newer PCI7344 card, we have driver / firmware compatibility issues. All of 3 motors require +5V 24mA for the Mike encoder. The indexes are offset from each other. This motion controller can control upto 4 servo motors and can give 2 PWM. You can select certain frequencies for the PWM which correspond to the divided down 10. am rules/80-net-setup-link. Industries. 10. Hi all, I'm using the output pins of the 7344 - board. We used NI vision (IMAQ PCI-1409), motion controller (PCI-7344), and DAQ (PCI-6025E) cards for this MPVIEW. . Sorry but I can't give you any further help. The event never seems to fire. I am using PCI-7344 control card with MID-7654 amplifier driving a three axis dc motor servo system. The PC runs on Windows XP、NI-Motion 6. . 0 are both obsolete, what are some "active" alternatives for this board? And concerning the migration NI-motion 14. Hi, I am Xiaofei in the Univerisity of Michigan. The NI Motion drivers with the 7344 motion controller are not capable of that type of control. . The 7344 controllers are warranted against defects in materials and workmanship for a period of 1 year from the date of shipment, as evidenced by receipts or other documentation. I'm using the PCI-7344/UMI-7764 to control the motors. The fact is ,as most say,the driver is not suitable under non-windows systems. MPN. The PCI‑7344 also provides contouring capability for complex moves. My application requires 6 axis and hence I want to use two PCI 7344 motion controllers. But. Commands and their parameters can be stored in an onboard. Axis 1) In the Axis Configuration tab, set Type to Stepper. I am using the NI PCI-7344 to control a brushless motor. If you are installing the FW-7344, connect the controller to your computer’s IEEE-1394 port. The motors are 2 phase and have a 1. Periodically the servo system does not work. FlexMotion 5. 12-10-2002 05:13 AM. How can. The Motion driver with the PCI 7344 has its own algorithm in place. The PCI 7340 (4 axis) board is a drop in replacement for the PCI-7344. . * * Repair service is subject to evaluation. Motion Control 7344 Hardware User Manual 7344 Hardware User Manual July 1999 Edition Part Number 322504A-01. Using PCI-7344 and MID-7604 and FLEXMOTION. The 7344 family of controllers includes the following controllers: • PCI-7344 • PXI-7344 • FW-7344 The 7344 controllers are high-performance controllers for PCI, PXI. (67 pages) Controller National Instruments 7932 Manual. Active Participant. I have. Right now, the +5V pins connected through an amplifier board to the "Host +5V" pin#59 in Motion I/O Connector of PCI-7344 board. The PCI-7342 / 7344 offers blended motion trajectory control and fully coordinated circular, linear, point-to-point, gearing, and vector-space control in either embedded motion operation or host-centric programming. Chapter 5 Signal Connections Analog Inputs The 7344/7334 controller has the following ADC input signals: • 7344/7334 Hardware User Manual Analog Input <1. . Environment: MAX 3. 1. The NI-Motion version is 7. used. 1. This compatibility allows the computer to automatically perform all bus-related configuration and requires no user interaction. The National Instruments PCI-7342 / 7344 also provides contouring capability for complex moves. 00 +$12. 2. • PCI-7344 • PXI-7344 • FW-7344 • PCI-7334. For a blended move you need to use Start Motion only for the first move and Blend Motion for all consecutive moves. PCI-7344, 4-Axis, Motion Control ler National Instruments PCI-7344 Motion Control ler DeviceFeatured with 3D contouring, 3D linear and circular interpolation, and up to 62 ms PID loop update rate, the National Inst. This is one of true pains of maintaining legacy systems. 3. . Lai Wechat:17750010683 Whats app：+86 17750010683Hello, I am fairly new to LabVIEW and was wondering how to implement incremental rotary encoders into a motion control VI. While this is happening, I need to change the velocity of one of the motors. The PCI‑7344 also provides contouring capability for complex moves. We were. jspaarg. I have a PCI-7344 with a UMI-7774 and a Yaskawa Servo Motor and Driver. The PCI-7342 / 7344 offers blended motion trajectory control and fully coordinated circular, linear, point-to-point, gearing, and vector-space control in either embedded motion operation or host-centric programming environments. This is one of true pains of maintaining legacy systems. Options. The PCI-7344 motion controller card also included analog and digital outputs, which we use to control the spray nozzle, the gas flow valve, the multi-port solenoid valves, and the fan. I am already using one. Using the X-Y Grid Inspection (Template). But the MAX couldn't read the current traject. Re: PCI-7344 motor interfacing help. National Instruments will, at its option, repair or replace equipment that proves to be defective during the warranty period. An introduction to the National Instruments PCI-7344 Motion Controller Featured with 3D contouring, 3D linear and circular interpolation, and up to 62 ms. 10: Sơ đồ khối điều khiển máy Trong khuôn khổ đề tài, bộ điều khiển phay máy CNC 3 trục được xây dựng trên nền một máy PC gắn thêm mạch điều khiển chuyển động PCI-7344 của National Instruments Corp. The PCI-7342 / 7344 offers blended motion trajectory control and fully coordinated circular, linear, point-to-point, gearing, and. If it's possible to update your application to LabVIEW 2015+, my company has a replacement solution for PCI-7344. I am currently working on a project related to nanomotion stage control using PCI-7344 and LabVIEW 6. National Instruments PCI-7344. The change was part of an improvement to the manufacturing process for. The PCI-7342 / 7344 includes dual processors, a real-time onboard OS, and multiaxis interpolation. . PCI-7344 PXI-7344 PCI-7352 PXI-7352 PCI-7354 PXI-7354 PCI-7356. The NI PXI-7344 is designed to support the National Instruments’ proprietary Real-Time System Integration (RTSI) bus. Hello everyone I am using the PCI 7344 card. pci_fd The integer returned from the open() function. Applications Engineering Group. I've got a PCI card (PCI 7344 for motion control). Additionally it incorporates LabVIEW RT and LabVIEW FPGA programming. WindowsXP system put it as unknown PXI-4200 board. If you have non-plug and play (ISA bus) boards, refer to the ISA Installation (PC-FlexMotion-6C Only) section of this document. 1 （NIMotion7. 像是PCI-7344的STEP馬達要設定成position mode，而servo馬達要設成velocity mode這類的。而關於PCI-7344的設定值怎麼設定，. 展开 PCI-73xx 树. Mitsubishi A500 inverter driving the motor seems to have only speed (frequency) setting input. g. In order to make the encoder work again, I need to do a complete shutdown. The 7344 can do a frequency of 40 Hz or 78 Hz (which either. 4. Options. When I was using a Motion Controller such as the PCI-7344 which uses the Motion driver, it was possible to save all the motor settings in a . controller in the 7344 family and contains information concerning their operation and programming. I connect the pins of the control connector of the UMI-7774 (Axis 1) as i describe in the image i attach. all controllers in the 7344/7334 family. また、NIのホームパージから. I have tried, but the outcome always changes the sharp corners into round corners with excessive r values. 0. In our normal system, we use 16 or 12 bit S/. I'm trying to run a device that someone assembled before but the . Hi, im using the PCI-7344 with VisualBasic and Measurement Studio. 配置您的步进器设置. PCI-7344 cua NI Corp se tch hp hai bo ieu khien servo va step motor. used. . 0. Re: PCI-7344 motor interfacing help. g. Page 2 Motion Control 7344/7334 Hardware User Manual 7344/7334 Hardware User Manual May 2001 Edition Part Number 322504B-01. 6: Cấu trúc của máy phay CNC. PCI-7344 Controller module PCI-7344 Controller module Module Clips Drive controller servo motor Contact: Mr. We have successfully done several projects using the Parker-Compumotor Gemini GV servo drive and the NI-7344 and the NI UMI-7764 breakout box. 10. We are configuring a new closed loop stepper setup with PCI 7344 and the "Trigger Input occurred" led in MAX is turning red after a search for encoder index. Manufacturer: National Instruments FW-7344, 4 Axes, 9 to 25 VDC, Stepper/Servo Motion Controller National Instruments FW-7344 Stepper/Servo Motion Controller The FW-7344 (Part Numbers: 186839C-01, 778113-01) is a Stepper/Servo Motion Controller. The PCI-7342 / 7344 offers blended motion trajectory control and fully coordinated circular, linear, point-to-point, gearing, and vector-space control in either embedded motion operation or host-centric programming environments. 17) before running VI. How to Configure Motion Controller and Test a Stepper Motor Updated Dec 20, 2022 Environment Hardware PCI-7332 PXI-7332 PXI-7334 PCI-7334 PXI-7342 PCI. 2. It is controlled by a host computer with a PCI-7344 motion controller card from National Instrument. it is going to be sqaure wave signal . Shut down your computer. -While controlling the motors in the "Interactive control" tab, the position. I'm testing angle sensors whose voltage output is proportional to (you've guessed it. sooner or later hardware will be discontinued, OS end of life, LabVIEW version not supported, etc. I know it executes electronic gearing but I need itDear Mr Scott R, NI Application Engineer, You already answered my question on the impossibility of implement fuzzy logic control on PCI 7344 card. 6 and LVRT 8. 0. 2. In your vi you are using Start Motion all the time. I triggered the Measures over RTSI0 with 50Hz(for a. hwdb Marcel Holtmann holtmann at kemper. No worries Chris. . 10-27-2001 03:20 PM. The PCI‑7344 also provides contouring capability for complex moves. fr (Christelle Basset) wrote in <3A407125. With LabView 7 motion control and the PCI-7344 cart I would like control two EC-Servomotors in combination with the Encoder HEDL 9140 and the ServoOther Devices as PCI Device. In our normal system, we use 16 or 12 bit S/. いつもお世話になっております。 現在，MAX上でモータのチューニングを行っているのですが，以下の4点について教えてください。 （motionボードはPCI-7344,UMIはUMI-7764を用いています） 1，Axis ConfigurationでTypeをServoとした場合に， どのような信号でモータの回転方向（正回転，逆回転）および速度. National Instruments will, at its option, repair or replace equipment that proves to be defective during the warranty period. The step/ direction signals from the controller card are converted to phase-drive signals using three UCN5804B stepper ICs, one for each axis, and routed through a 25-pin D-subminiature connector cable to the MAXNC-10. From troubleshooting technical issues and product recommendations, to quotes and orders, we’re here to help. g. To research general control behavior this might be ok but if you want to use FieldPoint in a real-world application you should figure out if the PID loop is fast enough for you. I have PCI-7344 and PCI-6023E and I want to synchronize them so that my DAQ card will start and stop the acquisition definitely when the motion start and stop. In this Pin No 5 and Pin No9 are PWM1 and PWM2 respectively. The NI 73xx Motion Controllers use the NI-Motion drivers, and do not appear to support IVI (necessary to use Instrument Control toolbox) or NI-DAQmx (necessary for access from Data Acquisition toolbox). Options. 8. . Member. The 7344 controllers are warranted against defects in materials and workmanship for a period of 1 year from the date of shipment, as evidenced by receipts or other documentation. Find many great new & used options and get the best deals for National Instruments PCI-7344 Servo Controller Card at the best online prices at eBay! Free shipping for many products!Re: LabVIEWアップデートに伴うPCI-7344のエラー. Right now, the +5V pins connected through an amplifier board to the "Host +5V" pin#59 in Motion I/O Connector of PCI-7344 board. 8 Ghz, 4 Gb Ram, Matrox Pahelia Video card (agp), PCI-7344 and FW-7344 (Firmware version 6. comPXI-7344. The National Instruments PCI-7342 / 7344 also provides contouring capability for complex moves. 1 Release Notes 4 ni. Using MAX to test the. I am not creating an installer for the program and I am trying to run it on the same machine that has the development environment. . PCI-7344 National Instruments PCI-7344 National Instruments Module Clips Drive controller servo motor Contact: Mr. It is very likely that you will not be able to simulate the FW-7344 controller in MAX, due to these limitations. We have successfully done several projects using the Parker-Compumotor Gemini GV servo drive and the NI-7344 and the NI UMI-7764 breakout box. flx"; the 2nd step is to run. Send. Motion Control Module This article will show you how to test motor functionality. Features The 7344 controllers are a combination of servo and stepper motor controllers for PCI, PXI, and 1394 bus computers. PCI-7344 PCL812PG TRỤC CHÍNH BÀN MÁY CHI TIẾT LỰC KẾ Hình 1. 25 ms corresponding to 0 degrees, 1. The fourth axis should also operate in contouring mode. Support Worldwide Technical Support and Product Information ni. I am seeing the PWM waveform on CRO. the PCI-7344 or PCI-7342 board. Letter of Volatility. National Instruments - PCI-7344 repair options: Standard Repair - Up to 10 workings days* Emergency Repairs - Up to 3 working days. 579 views 3 years ago. However, when the Software limits are reached, the. On 2 different systems and 2 different motion control cards (pci-7334 and 7344) after running the cards for approximately 30 minutes I get errorThe PCi 7344 can control a brushless servo provided that the drove for your motor can take a +/- 10 volt torque signal or a step and direction signal as a command signal. This controller is able to achieve simultaneous three-axis motion trajectories through linear, spherical, circular or helical interpolation, which will placate all our requirements for concurrent three-axis machining and also for the FDM operation. Configure your stepper settings. Hi, I updated my PCI-7344 + LabView 7. Without seeing the program, it's impossible to tell but execution highlighting and single step mode changes the way the program executes and you. 3003 to 7. 1. It takes 10-20 milliseconds to start the move after the trigger. After I issue an absolute move on a closed loop stepper axis with PCI-7344 using flex_Start, the Move Complete bit never gets set, but the Blend complete bit does. Since, I'm waiting in a loop for the Move Complete bit, the program (VB 6. At the bottom of the screen you should see 4 tabs- General, Firmware, Onboard Memory Manager, and Status. The onboard CPU uses an embedded real-time OS. I have a 3-axis robot with 3 orthogonal axes. I recently upgraded to MAX version 2. 8 Ghz, 4 Gb Ram, Matrox Pahelia Video card (agp), PCI-7344 and FW-7344 (Firmware version 6. . Shut down the system and physically remove the PCI-7344 from the system (important to remove resource locks). The PCI-7334 is the NI low-cost stepper-only motion controller, which offers the flexibility and ease-of-use features found throughout the FlexMotion line of controllers. "Reset Device" Button in MAX using PCI 7344 "Reset Device" Button in MAX using PCI 7344 Tulio. Hi, Is there any body to have controlled torque with PCI-7344? I have two servos to keep servo's torque constant as a target value. This controller is designed for PXI, PCI, and 1394 bus computers. The PXI‑7344 offers blended motion trajectory control and fully coordinated circular, linear, point‑to‑point, gearing, and vector-space. Member 01-24-2005 02:22 PM. 00 +$12. Issue Details. A declassification procedure for each of these boards would also meet my requirements. 0 and NI-Motion 7. I am currently working on a project related to nanomotion stage control using PCI-7344 and LabVIEW 6. NATIONAL INSTRUMENTS NI-PCI-7344. This means you can create a position profile and download these contouring data to the PCI-7342. Fault+. This is one of true pains of maintaining legacy systems. Options. NI-Motion Issue Details I can command my motion controller to move a stepper motor to a target position in Open Loop mode, but when I configure it to run in Closed Loop mode, the motor doesn't appear to complete the move, doesn't move at all,. I don't see a good way to control 5 motors with this board. About the 7344/7334 Controller The PCI/PXI-7344/7334 and FW-7344 controllers feature advanced motion control with easy-to-use software tools and add-on motion VI libraries for use with LabVIEW. The Stepper Motors on My machine don't move on my machine, I have PCI -7344 card connected to UMI 7764 with 68 pin connector. . The timer interval is 100 ms and is always enabled. Warranty Terms and Conditions. Hello, I really really need help in this: I have UMI 7774 and PCI 7344 and i have problems to Connect it to my Servo Motor Drive. As the control loop is typically running much slower on the FP system compared to the PCI-7344, you will have to modify the PID parameters accordingly. When i am using PCI Flex-6C，Finding home functions does not work as the PCI 7344 do, The controller stops axis 1 and axis 2 during the finding home sequences when the axis 3 encountered home switch first. NI 7350 NI 7352, NI 7354, NI 7356, NI 7358. I am using a PCI-7344 motion control card with a UMI-7764 break out box. I did it: 68331 from 7. I am usi. I know there is in flexmotion library the : Initialize controller. Can I configure another one in the same PC to add more axes to my current system. . I am using a PCI-7344 card with LabView to control a 3-axis servo motor motion system in conjunction with a data acquisition system. The contour trajectory can only be updated every 10 ms, so it is too slow for my application. You may be having what is the major reason not to use global variables - a race condition. The PCI-7342 / 7344 offers blended motion trajectory control and fully coordinated circular, linear, point-to-point, gearing, and vector-space control in either embedded motion operation or host-centric programming environments. The 7334 controllersHello, We are planning to build a tie rod fatigue test system with Labview and NI PCI-7344 4-Axis Motion Control Board. TheSee all Driver Software Downloads. Unless otherwise noted, text applies to all controllers in the 7344 family. Hello, I am using a PCI-7344 motion controller card to drive 2 stepper motors in closed loop mode. Unfortunately the output pulse has a length of about 20 ms and so I have to decrease the speed of my stage rapidly (otherwise the. . I've never used LabVIEW 6. Restart and uninstall NI-Motion and Measurement & Automation Explorer (MAX) using the Add/Remove Programs Applet in the Control Panel. . JB. . actually the program has. The Problem is feedback from each axis (AZ & EL). 1 before, and it is really weird. 0 to NI-soft motion are there any tips or hints? Thank you. 1) connected to a MID-7604 drive to control three IDC P21T stepper motors. Return to Home Page; Toggle navigation; Solutions. Knight of NI. Using the X-Y Grid Inspection (Template). 579 views 3 years ago. PCI-7344 was listed as an obsolete card already. The PCI-7342 / 7344 offers blended motion trajectory control and fully coordinated circular, linear, point-to-point, gearing, and vector-space control in either embedded motion operation or host-centric programming environments. Options. The 7334 controllersThe solutions that I have proposed are of course much more complex than using a PCI-7344 motion controller as all the software layers that are present in the firmware of the PCI-7344 need to be implemented in software. At this point, NI Motion will only operate in LabView 32-bit independant of 32-bit or 64-bit OS. Product Support Resources. はじめまして。投稿させていただきます。 現在、PCI-7344とUMI-7764を用いて3つのACサーボモータを速度制御しようと考えています。 用いるサーボモータとアンプはそれぞれ、三菱電機製のHC-KFS13と、MR-J2S20A1です。 初歩的な質問をして申し訳ないのですが、アンプとUMI-7764の結線の方法がわかりませ. I am trying to control a servo motor using an analog feedback connected to analog input 1 on the PCI 7344 board. If yes, then how to configure the other one, so. Re: PCI/FW-7344 Motion controller either isn't found or when it is, MAX crashes depending on which version of NI-Motion, DAQ and. 8. JB. So I wonder if there is driver u. 10-02-2007 06:58 AM. com FlexMotion Software Installation Install the FlexMotion software before installing a FlexMotion series motion controller for the first time. The capture method is configurable. . lexmotion PCI-7344 with LabView for use as a Parabolic Antenna controller. When I set it up with the Ni-7344 the drive is ready (green led on drive flashes). PCI-7344, 4-Axis, Motion Controller National Instruments PCI-7344 Motion Controller DeviceFeatured with 3D contouring, 3D linear and circular interpolation, and up to 62 ms PID loop update rate, the National Inst. Dear Engineers, Now we are useing PCI7344 on motor-controlling. For my research purpose I need some important information from you. 0. Cary, NC, USA. de * Technical Support for Motion SoftwareI'm not sure what you mean by voice coil, but the UMI 7764 is designed to interface with third party amplifiers to drive motors. 884. (The servo drive manual is here:The PCI‑7344 offers blended motion trajectory control and fully coordinated circular, linear, point‑to‑point, gearing, and vector-space control in either embedded motion operation or host-centric programming environments. zip" has been downloaded 223 times with a user rating of 5 out of 5 stars, based on 10 reviews. Configure your stepper settings. National Instruments PXI-7344 Stepper/Servo Motion Controller Module. The PC runs on Windows XP、NI-Motion 6. This compatibility allows the computer to automatically perform all bus-related configuration and requires no user interaction. We are looking for an old PCI 7344 card (4 axis card driving motors) over 15 years old (copyright 2001). All Manuals. One servo controls RPMs of a turntable and 2 servos adjusting the pitch of the table in two planes all controlled simultaneously. vi files are not running properly due to this " illegal board ID". 75 ms. 17) before running VI. The x- and y-axes of the Cartesian robot used a timing belt while the z-axis utilized a ball screw. controller in the 7344 family and contains information concerning their operation and programming. This warranty includes parts and labor. 02 seconds. 7）and NI-DAQ 7. Page 37: Analog Inputs. Its very easy to configure using MAX and also easily programmable using the simple to understand VIs provided by NI. The first two axis (#1 and #2) both work fine. I have one 3 axes(X,Y,Z) mchine. Axis 1) In the Axis Configuration tab, set Type to Stepper. Each axis uses 2 Synchro's (1:1 & 36:1 for Course & Fine 90V / 60Hz) for feedback. The PCI‑7344 offers blended motion trajectory control and fully coordinated circular, linear, point‑to‑point, gearing, and vector-space control in either embedded motion operation or host-centric programming environments. 25 ms to 1. (NI). vi twice for both the Hardware and Software limits. . I am using NI PCI-7344 motion controller card with NI MID-7604 stepper motor driver. Page 2 Motion Control 7344/7334 Hardware User Manual 7344/7334 Hardware User Manual May 2001 Edition Part Number 322504B-01. When you restart your computer Windows 2000 will automatically re-install the motion controllers correctly. 10 NI UMI 7765 Universal Machine Interface Card 38 xu . 1 were installed. Network, share, and ask questions with other members of the NI community. Sadiah, please note that FieldPoint is much slower than a PCI-7344. 1) I successfully tuned the PID parameters so all the 4 motors are servoing now. . SoftMotion is a great alleviation as you can. I've never used LabVIEW 6. About the 7344/7334 Controller The PCI/PXI-7344/7334 and FW-7344 controllers feature advanced motion control with easy-to-use software tools and add-on motion VI libraries for use with LabVIEW. The pulse should last from 1. If you need a specific firmware or series relating to PCI-7344, we probably have it. SCARA and the locally fabricated driver, we can keep costs to a minimum. Under this section select the settings option (by default it will be called Default 7340 settings). Are you in EU? Call: +44 1782 576800. The PCI‑7344 also provides contouring capability for complex moves. The 10 ms timing for contoured move is the fastest that you can get out of the board. Reply value associated with the本系统以PCI-7344为基础，通过 NI公司最新的LabVIEW8. Please let me know if you have any additional questions on this issue. Right now, the +5V pins connected through an amplifier board to the "Host +5V" pin#59 in Motion I/O Connector of PCI-7344 board. The machineGood afternoon, I'm using servomotors PSKF321 (SEW) and servodrives MDX61B (SEW). Should I setup my limit switches to stop the axis at the limit and then reset encoders there or what? Or should I have a home switch somewhere in the center of travel and let Labview reset the encoders at. To facilitate learning, we mounted all the motion controlled items, such as three power supplies, two torque amplifiers and oneDescription. The Servo drive has these signals: /S-ON (Servo ON input) ALM+ (Servo alarm output) ALM (Servo alarm output) The UMI-7774 on its Control Connector of Axis1 has these signals: Enable. 9393.