MQTT subscription fail

[ray]

Hi there. Let's see if someone can help me.

I have a unistream PLC connected to a mosquitto broker.
The PLC is subscribed to various topics.
Everything seems to be working fine, but sometimes when I restart the PLC, it doesn't subscribe to topics. However, the connection with the broker is correct. If I see the status of the configuration tags, the following appears:

Broker1.Connected = 1
Subscription1.Subscribed = 0
Subscription1.Status = -11 (this means UniStream is not connected to the broker however it is connected.)

To solve this problem I have to restart the PLC again.

[NoamM]

Dear ray,
What are the values of the next properties:

• Subscription properties -> Quality of service
• Broker lined to the Subscription -> Clean session

?

[ray]

Thank for your reply.

• Subscription properties -> Quality of service -> 0
• Broker lined to the Subscription -> Clean session -> not activated

I have tried to subscribe from another client installed on a raspberry pi and the subscription is correct.

However, from unistream I do not have a subscription, but I do have a connection with the broker:

• Broker1.Connected = 1
• Subscription1.Subscribed = 0
• Subscription1.Status = -11 (this means UniStream is not connected to the broker however it is connected.)

 

[NoamM]

Dear ray,
Open a ticket on Unitronics "Help center" at https://support.unitronics.com/index.php the Support team will assist.