FAQ
Rotary Encoders - EtherCAT
1.
Q: Why after switching from "Free Run" to "Run" a comparison error appears (different VendorIDs)? How to solve that?
A: Delete TwinCAT cache (xml file):
Windows XP: C:\Documents and Settings\Username\ApplicationData\Beckhoff\TwinCAT\TwinCAT\Io Windows 7: C:\Users\ Username \AppData\Roaming\Beckhoff\TwinCAT\TwinCAT\Io
2.
Q: What can cause: TwinCAT don't find during "Scan Boxes"
A: Check if the network card is supported from TwinCAT
- During the installation of TwinCAT under Windows 7 are admin rights necessary. User admin rights are not enough.
- Start TwinCAT with admin rights d.) Install the driver for the network card.
3.
Q: I am using Omron PLC, how can I set up the preset value?
A: There are two ways of setting the preset values.
You can use the blocks as usual.
On request we provide ESI files with Backup Flags. When launching the project with this ESI file, the flag should appear on the main menu. You must perform the following steps:
- Transfer the preset value from the encoder to the PLC
- Change the preset value.
- Transfer the preset value from the PLC to the encoder.