Package Exports
- node-red-contrib-operatelogic
- node-red-contrib-operatelogic/OperateLogic.js
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Readme
Node-RED OperateLogic Node
This Node-RED project contains a custom Node-RED node called "OperateLogic" used for controlling a device based on logical rules and operation modes ('manual' or 'automatic') and commands ('start' or 'stop').
Usage: The "OperateLogic" node can be configured via the Node-RED GUI. Drag the node into your flow and configure the settings as desired:
Check interval: Time interval (in seconds) for checking the rules.
Rules: Logical rules to be evaluated on the given check interval.
Restart After Fault: A new start command has to be given when checked. Unchecked it wil automatically start again.
Initial Mode: Initial operation mode ('manual' or 'automatic').Restarts of node-red will keep the mode in memory. This is only for a complete restart of your node-red system.
State on/off: The output command "on"/ "off" can be modified to any bool,string or number.
All settings can be adjusted at any time and will immediately take effect.
operate logic: mode can be set if: msg.mode = "manual" or "auto"
start command in manual mode: msg.manual = true or false (bool)
start command in auto mode: msg.auto = true or false (bool)
Stop commands will always be accepted. For example: In manual mode you can give a stop command via msg.manual but also a stop command via msg.auto will be accepted. In auto mode you can give a stop command via msg.auto but also a stop command via msg.manual will be accepted.
Startcommands will not be accepted from opposite modes. For example: In manual mode a start command from msg.auto will not be accepted. In auto mode a start command from msg.manual will not be accepted.
You can change mode auto/manual only when output/state is "off"
Rules: Rules can be added/removed. In these rules you can check flow or global variables against string,number,bool, flow variable and global variable with operators. These operators are: == : equal != : not equal
: greather < : less incl: Includes
for every rule you can chose in wich mode it has to be checked or not checked.
Connect the "OperateLogic" node with other nodes in your Node-RED flow. Send messages to the node to change the operation mode ('manual' or 'automatic') and give start/stop commands as in example below.