Assigning Axes in the XGB PLC with iX7 EtherCAT Servos - from AutomationDirect
https://www.AutomationDirect.com/ethercat-servo-systems?utm_source=pAhbOZNrk3k&utm_medium=VideoTeamDescription
(VID-SV-0089)
The iX7 EtherCAT servo drive is the perfect option for your motion over ethernet project! In this video, we discuss manually assigning motion axes in the XGB PLC to the 3 iX7 drives for a 3-axis motion system over EtherCAT.
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Today, we are going to be manually assigning an axis number to an EtherCAT node in the XG-PM programming software. In our first video for this help topic, we discussed using the autoconnect feature to automatically scan for nodes on the EtherCAT network and add them to the project. When we did this, we selected the “Match of slave station and axis number” checkbox to allow the software to automatically assign the drives to Axes 1, 2, and 3. We can see this if we look at the project window. We see the drives themselves, but below them we see our 8 potential axes, and the first three have been assigned an iX7 servo drive. What if we wanted to manually accomplish this same task, or possibly assign the drives to the axes in a different order. Manually assigning a drive to a specific axis or moving a drive from one axis to another is very simple. We will start by right-clicking on any of the 8 axis data headings in the project and selecting “Connect Axis/Slave.” This will open the “Connect Axis” pop-up window. In this window we see that our 3 slaves were automatically added to Axes 1, 2, and 3, while Axes 4-8 are disabled because no slaves were present on the network to be assigned. If we click on Axis 1, we see options to keep it mapped to Slave 1, disable it, or assign it as a virtual axis. It doesn’t give us the ability to assign Axis 1 to Slave 2 or Slave 3 because those nodes are already assigned to Axis 2 and Axis 3. Let’s disable Axis 2 and Axis 3 to unassign the slaves. If we now click on Axis 1, we see that we still can keep it mapped to Slave 1, we can still disable it, and we can still set it as a virtual axis. Now, however, we also have the option to set it to one of the other two slaves. Let’s set it as Slave 2 for Axis 1. We can go to Axis 2 and set it as Slave 3, and we can go to Axis 3 and set it as Slave 1. If I click “OK” the software remaps the slaves to the new axes. To avoid confusion, however, I do not want to do this so I will change them back. We are now able to manually assign our axes to whichever slave or node we choose using the XG-PM software. Perfect!
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