Hi, my Problem my Modbus not reconnect. [grafik] I want to implement Modbus devices that can fail for 1 to 2 hours at any time. After a short time the Modbus client should try to establish a connection to the device. After the reconnect timer has expired, I only get a connection again when I pr…

ok .. so this is the problem .. you are running Nodejs v14 you have to downgrade to v12 .. until a fix /update is ready for these Modbus nodes (there is some discussion on the node's github page) I see the version of Node-red is couple of versions behind since you are on a Linux based system ..…

Read this thread .. possibly related. [image] Modbus TCP client not reconnecting after modbus server goes offline General I am running a modbus TCP client (node-red-contrib-modbus) on a node red inside a docker container. However, when the server goes offline and comes on…

after the connection is lost, the node is in the init status. This status does not change even if the Modbus device can be reached again. The Modbus Node print the Message "Error: Client Not Ready To Read At State init"

lost Connection (I stop the modbus server for a few minutes) [grafik] after a short time change to init Status. I start the Modbus server and the status never changes [grafik] As soon as I restart the NodeRed or press the deploy button, everything works normally again (data is retrieved) I've a…

I see you have in your Modbus config the option to "Reconnect on timeout" checked theoretically it should reconnect. What nodejs version do you have ?

Thanks, I change my Version to 12.13.0 and my problem is fixed. @UnborN Thank you again for your quick help. :slight_smile:

thanks @UnborN - love the way this community really steps up and sorts things out.

Node-RED

Node-RED Forum

Node-red-contrib-modbus no reconnect

General

UnborN 28 August 2021 03:28 2

Read this thread .. possibly related.

Topic		Replies	Views
Modbus TCP client not reconnecting after modbus server goes offline General	4	1736	27 August 2021
Modbus Not Reconnecting Industrial	3	552	21 April 2021
Node-red-modbus flex getter does not reconnect General	1	470	21 August 2022
Node-red-contrib-modbus. Cannot recover TCP connection after server rebooting General	6	1738	4 January 2022
Reinicio de flujo para reconexión de servidor Modbus TCP/IP - Flow restart for Modbus TCP/IP server reconnection General	0	349	10 May 2022

Copyright OpenJS Foundation and Node-RED contributors. All rights reserved. The OpenJS Foundation has registered trademarks and uses trademarks. For a list of trademarks of the OpenJS Foundation, please see our Trademark Policy and Trademark List. Trademarks and logos not indicated on the list of OpenJS Foundation trademarks are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

Node-red-contrib-modbus no reconnect

Related topics