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Error code: -2147136878 when running multiple CANopen device

Hello Friends,

 

I have a Application where i am communicating with 8 devices using CANopen Communication Protocol.

using NI PCI-8531 CANopen module as Master. through a 780041-01 NI- Terminal Block i have connected eight devices as CANopen slave.

Using NI CANOPEN API build a Program to communicate with the Devices.

 

Getting Following error when i try to run the Program

 

Error code: -2147136878

 

Description: Error -2147136878 occurred at CANopen SDO create.vi 5360001

 

When i run only one devices i am not getting this Problem. where as when i run multiple devices at the same time. getting above Error.

What does the above Error describe and give some suggestion to eliminate the Error.

 

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