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Old April 15th, 2019, 07:12 PM   #1
antsrealm
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Australia

antsrealm is offline
 
Join Date: Dec 2010
Location: Brisbane
Posts: 174
Advice regarding configuration of 842E-CM-S / 5069-L30ERM Via Stratix 2500

Hi,

I have configured a project with the following hardware.

5069-L30ERM
842E-CM-S Absolute Encoder.
Stratix 2500 1783-LMS5 (Is this suitable?)
5069-OB16F

It's all working, the axis is setup under the MG. I have the correct units and operation.

The only issue is I'm not sure it's working as fast as it could be.

I believe this is done from the update period.

When I have this on 6ms it time syncs and everything is ok.

When I lower it down and currently I have it on 0.5ms I get loss of communication with the encoder. It drops in and out every few seconds and wont time sync.

Can anyone give me some advice on what to expect here and maybe what update period I should run at.

The actual PLC program is fairly small so the utilizations are fairly low.

I could email the program to someone if you want to have a look. It's a basic application. Just an encoder giving machine position feedback and triggering certain things at certain positions. No servos.

Thanks.
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