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node-red/packages/node_modules/@node-red/nodes/examples/function/trigger/03 send placeholder message when a stream stops sending.json
2020-06-01 14:44:18 +09:00

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[{"id":"d55745be.e4ecd8","type":"inject","z":"bab6594e.d2a3d8","name":"","repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"date","x":160,"y":140,"wires":[["ecac46bf.9751c8","cf35bbed.ce1298"]]},{"id":"ecac46bf.9751c8","type":"debug","z":"bab6594e.d2a3d8","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":670,"y":140,"wires":[]},{"id":"cf35bbed.ce1298","type":"trigger","z":"bab6594e.d2a3d8","name":"","op1":"reset","op2":"true","op1type":"str","op2type":"bool","duration":"2","extend":true,"units":"s","reset":"","bytopic":"all","outputs":1,"x":320,"y":180,"wires":[["febbebba.455238"]]},{"id":"febbebba.455238","type":"trigger","z":"bab6594e.d2a3d8","name":"","op1":"0","op2":"0","op1type":"num","op2type":"str","duration":"-2","extend":false,"units":"s","reset":"reset","bytopic":"all","outputs":1,"x":480,"y":180,"wires":[["ecac46bf.9751c8"]]},{"id":"4bad6a7.9a1d194","type":"comment","z":"bab6594e.d2a3d8","name":"Send placeholder messages when a stream stops sending","info":"Trigger node can be used to detect when a message has not arrived after a defined interval and a second Trigger node to send the placeholder messages at a regular interval..\n\nSee Node-RED [cookbook](https://cookbook.nodered.org/basic/trigger-placeholder).","x":250,"y":80,"wires":[]}]