Instrument Control (GPIB, Serial, VISA, IVI)

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EtherCAT EL7201

Dave,

 

I'm trying to get the EL7201 up and running too and need to solve the same issues you mentioned above.

Can you provide additional information about what changes you had to made to the ESI File and what initialization code you need to run?

 

best regards,

Martin

 

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Message 11 of 13
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Hi MHn

 

Sorry for the slow reply i was out of the office last week.

 

Below are the steps i went though in labview to Initailisation the EL7201:

 

1. Set the scan enginee to configuration mode.

2. Set all slices to "Init" State

3. Set all slices to "Prep Op State.

4. Configure the EL7201 (see below)

5. Set the scan enginee to active mode.

6. Set all slices ot the "Safe Op" State

7. Set all slices to the "Operational" state

 

You have to conifgure the motor drive to the motor that it is connected to. From the beckhoff website you can get the Motor XML MDP files Here.  I Had to create custom code that reads the XML as a string and then extracts the index, subindex and data. I build up a array and then configure the drive using the EtherCAT SDO writes. 

 

I hope this helps.

Dave B

 

 

Message 12 of 13
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Maybe you should check the scan period, all the slave should have the same scan period.

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