TN - NA - ECOM_001

Communication issue.

Resolve error message: E_COM_001 

Summary/Issue Description

 'E_COM_001'  is an error that may occur when trying to communicate an NA5 HMI with an NX/NJ PLC.

Root Cause

- Normal communications are not possible with a connected device XXX.

- The connected device XXX could not respond nor communicate with the NA Unit within the timeout period due to a high load or the like.

- The project information on the connected device XXX has been updated

Solution

-Verify that the physical HMI model corresponds exactly to the model selected in the Sysmac Studio project.

-Change the firmware version to the latest version available in the options list.

- Confirm that power is turned ON to the connected devices and network devices.

- Confirm that the NA Unit, devices, and network devices are connected correctly.

- Check the communications settings between the NA Unit and connected device.

- Confirm that the tag settings for the NA Unit and for the connected device are correct and verify the tags again.

- Extends the timeout period of the connected device with referring to the reference manual for the device.

Date/Revision History

First review 08/26/2024 V1.0 

2nd review 01/10/2024 v1.1

Author:

Javier Romo, Technical Support Engineer.

References

NA-Series User's manual

https://edata.omron.com.au/eData/NA/V125-E1-01.pdf