What Are the Inhibit Output Signals on My Motion Controller?Hardware: Motion Control>>Controllers
Problem: What are the inhibit output signals on my motion controller, and how do they work? Solution: Inhibit output signals are used to control the enable/inhibit function of a motor driver. When inhibited, the connected motor is de-energized and can turn freely. These open-collector inhibit signals have high current sink capability and can directly drive most motor driver inhibit input circuits. While the industry standard for inhibits is active-low (inverting), the polarity of these outputs can be changed. If you are using a National Instruments motor drive, then use the default active-low setting. To change the polarity of the inhibit:
 Inhibit output signals can be activated automatically upon a "Kill Motion" command or any motion error that causes a kill motion condition (i.e. following an error trip). You can also directly control the inhibit output signals to enable or disable a driver. Related Links: Developer Zone Tutorial: How to connect the 73xx inhibit and command signal outputs to third party drives. KnowledgeBase 2649A7OA: Under What Conditions Will My MID-7604/02 Motor Drive be Inhibited? KnowledgeBase 2Q2B2I6W: How Can I Read the Inhibit Output Status From the UMI With My Motion Controller? Product Manuals: Getting Started with NI-Motion for NI 73XX Motion Controllers Products & Services: National Instruments Motion Control Attachments:
Report Date: 02/01/2001 Last Updated: 05/06/2009 Document ID: 260H68OA |
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