NI-Motion 5.2 - Windows 2000/95/98/ME/NT/XP

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NI-Motion for Windows XP/2000/NT/Me/9x Version 5.2

Installing NI-Motion
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When you install NI-Motion 5.2, MSI 2.0 is automatically installed, if it has not been installed previously. On most systems, this will require you to reboot after the MSI 2.0 installation and before the NI-Motion 5.2 installation. After rebooting, the NI-Motion 5.2 installer should begin automatically. If it does not automatically begin, restart the installer manually.

If you are installing NI-Motion on a Windows NT 4.0 system, you must have updated the operating system to Service Pack 6 or higher.

Update Firmware on NI Motion Controllers
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If you have an NI motion controller with version 5.1.x firmware or earlier, you must download the 5.2 firmware for your controller to work properly with the new version 5.2 software. Refer to the MAX for Motion Online Help for details on upgrading your firmware.

Zero Velocity in Velocity Mode
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When you run your NI motion controller in velocity mode, if you change your velocity from a non-zero value to zero and apply the velocity change by calling Start Motion, the axis will actually continue to move at a very slow rate of one count/step every few seconds. To avoid this behavior, decelerate to a stop using the Stop Motion command.

FlexMotion-6C Compatibility
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For Flexmotion-6C, we recommend you continue using Flexmotion 5.1.x. NI-Motion 5.2 is not compatible with Flexmotion-6C controllers.

ValueMotion
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The NI-Motion 5.2 CD does not contain ValueMotion. The latest version of ValueMotion is 5.0.2 and can be downloaded from www.ni.com/support

FW-7344
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If you disconnect power or remove the 1394 cable from the FW-7344 without notifying the system beforehand, Measurement and Automation Explorer may crash when it is refreshed. To avoid this, remove the FW-7344 through the "Safely Remove Hardware" process by clicking on the icon in the lower right part of the Windows taskbar near the clock.

MID 7604/02 Users
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Although the MID-7604/7602 User Guide says the polarity for the step and direction lines are active-low, the polarity is active high. The default setting for step and direction in Measurements and Automation Explorer (MAX) is active low. You should change the stepper polarity setting to active high in MAX. Furthermore, you may also need to switch Motor Phase A and Motor Phase B on the Stepper Motors connector on the back of the MID-7604/7602 to maintain the same direction of travel.

Analog Gearing with Stepper Motors
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When using analog gearing, and the slave axis is a stepper motor, set the polarity for step and direction to active high.

Virtual Boards
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Adding or removing Virtual Boards requires administrator privileges.

Assigning Resources to non-default axes
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If you assign to one axis a second axis' default output and feedback resources, and then disable the second axis, the first axis will be unusable. To avoid this, enable the second axis and assign to it an unused feedback resource.

Importing MAX Settings from a Previous Version of FlexMotion
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When importing Measurement and Automation Explorer (MAX) settings from a previous version of FlexMotion, the name of the settings is not guaranteed to be unique. If you already have a settings object in MAX that has the same name as the one you are importing, you will see two settings with the same name in the "Change Current Settings..." dialog. No data is lost in either settings object. You will need to change the name of one of the objects before using either of the objects with the same name. This can be done through the "Change Current Settings..." dialog by right-clicking on one of the settings and selecting "Rename."

VI and C Function documentation
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The help topics listed below do not mention support for all 734x/7334 boards but do apply to all of these boards:

C Function Help Topics (FlexSW.hlp): flex_config_axis flex_configure_encoder_filter

VI Help Topics(FlexVI.hlp): General-Purpose IO Ports RTSI Applications with Motion

The topics listed below mention multiple boards but only apply to the 7344: C Function Help Topics (FlexSW.hlp): flex_begin_store flex_configure_buffer flex_object_mem_manage flex_set_op_mode (In this topic, contouring only applies to the 7344) FlexMotion Controller Compatibility (Arbitrary moves are only available with the 7344)

VI Help Topics (FlexVI.hlp): Controller Differences (The 7342 has the same features as the 7334 except that it can be servo or stepper, it has gearing, and it only has two axes.)

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