# Modbus tripping the relay

**URL:** <https://discourse.nodered.org/t/modbus-tripping-the-relay/50527>\
**Category:** General\
**Created:** [2 September 2021 07:10 UTC](https://discourse.nodered.org/t/modbus-tripping-the-relay/50527 "2021-09-02T07:10:03Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![dineshpal](https://avatars.discourse-cdn.com/v4/letter/d/ed655f/32.png) [@dineshpal](https://discourse.nodered.org/u/dineshpal)\
**Post date:** [2 September 2021 07:10 UTC](https://discourse.nodered.org/t/modbus-tripping-the-relay/50527/1 "2021-09-02T07:10:03Z")

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Hi, I am connecting via modbus and converting to 32bit I would like connect to

 ![163056653762760306279912718717](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/c/5/c5392761a06c6c01d90deeb0602c78cabd7cd706.jpeg)  
relay 1 and 2  
Relay 1 at pin 18 and relay 2 pin16  
I would trip the relay 1 when value is at 4 and when is at 7 relay 2 trip

Need help in this

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [1 November 2021 07:10 UTC](https://discourse.nodered.org/t/modbus-tripping-the-relay/50527/2 "2021-11-01T07:10:52Z")

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