Encoder Overflow error SEW / TwinCAT 3

nightline

Member
Join Date
Feb 2010
Location
Prinsenbeek
Posts
425
Gents,

I'm trying get some SEW Movigear motors in control by a Beckhoff PLC which is TwinCAT 3.
The SEW motor is connected by EtherCAT and is configured with a NC Axis in TwinCAT.

While running the motor, we get every now and then a Encoder Overflow.

According the SEW guys, it should be possible or even needed to mask out some of the encoder data.
The encoder data coming from the motor is 32 bits, but only 30 bits are position data.
In the Axis object in the NC part, there is a encoder setting part, where I see an Encoder Mask ( 16#FFFFFFFF ) and an Encoder Sub Mask ( 16#000FFFFF ).
The first Mask value seems not to be editable, the second is.
For other motors / controllers we have mask the first one with 16#3FFFFFFF. But this seems to be impossible, so I tried it in the software code, but this didn't solve the issue.

Do any of you has experiencew with this kind of issue, and has idea's how to solve this?

Thanks in advance!

Jack
 

Similar Topics

Sorry in advance for the long post, but this requires a little back story. I work in a facility with a couple hundred VFDs Most are in a web...
Replies
14
Views
225
I have an application using an incremental encoder and then I convert it to degree (0-360) using calculation program. For a while, the calculation...
Replies
8
Views
307
Hi everyone, This is my first time posting, so please forgive any omissions or mistakes. I am attempting to control the velocity of a stepper...
Replies
18
Views
1,026
Dears, i am trying to change the series of encoder from A to B, but the program do not has this option (Rslogix5000, 20.06 the old encoder was...
Replies
2
Views
213
Hi all, I am working with an incremental encoder (ABZ signals, 360 ppr (so 1440 counts per rev)) to replace the existing "manual" encoder wheel I...
Replies
51
Views
2,628
Back
Top Bottom