Reading string from CSERI-4 channel (using RS-232) in CODESYS

[greichert]

I posted a link to a forum post on installing legacy nodes, which you need to do with the OPC-UA Node.

Install older version/specific version of a node-red node?

I updated to the latest version of node-red-contrib-modbus on my groov RIO and it seems to have broken the flex-write node? Is there a way to install the older version of node-red-contrib-modbus again? It was working fine with v5.13.1 of the modbus node, but I get the following error since installing v5.14.0. Error: Modbus exception 4: Slave device failure (device reports internal error) at ModbusRTU._onReceive (/home/dev/.node-red/node_modules/modbus-serial/index.js:348:21) at TcpPor…