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Error -70207 when Initializing a PCI-7390 Motion Controller

Primary Software: Driver Software>>NI-Motion/FlexMotion
Primary Software Version: 7.2
Primary Software Fixed Version: N/A
Secondary Software: N/A
Hardware: Motion Control>>Controllers>>PCI-7390

Problem:
When initializing my PCI-7390, I recive the error -70207 says "The move cannot be completed because the inhibit input of the commanded axis is active." Why am I getting this error, and what can I do to initialize the board without getting this error?

Solution:
Below are two reasons you might be recieving this error:

Problem 1: Neglecting to correctly setup the Axis you are not using: Even though you are not using all of the Axis on your Motion board, unless you tell MAX to disable those axis, it will still think you are using the Axis. Thus an unconnected "inhibit input (alarm)" signal will be registered as high or low (depending on whether or not you are using an accessory and which accessory you are using), which could possibly cause the PCI-7390 to think the "inhibit input (alarm)" is active. This will cause error -70207 to occur.

Make sure you either disable all of the axis you are not using or have unused axis set to the proper "inhibit input (alarm)" polarity.


Problem 2: Neglecting to select the proper polarity for your "inihibit input (alarm)" signal.

Make sure you select the proper polarity of all of the axis you are using and the ones you are not using. If you are not sure what the proper polarity is for your drive, then consult the drives manual or try switching the polarity setting in MAX and see if the problem goes away.


Problem 3: The drive is in a state in which it is not sending the proper "inhibit input (alarm)" signal.

Some drives might temporarily toggle their "inhibit input (alarm)" signal at power up, or might have produce an active "inhibit input (alarm)" when the drive is not powered. Make sure you understand how your drive drives the "inhibit input (alarm)" signal during its different modes of operation (including when it is not powered) and make sure to only intialize the motion board when the "inhibit input (alarm)" signal is in its inactive (low) state.

Related Links:
NI PCI-7390 User Manual

Attachments:





Report Date: 04/19/2007
Last Updated: 05/02/2007
Document ID: 48ICHKHB

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