# How to reliably sequence Modbus requests

**URL:** https://discourse.nodered.org/t/how-to-reliably-sequence-modbus-requests/100003
**Category:** General
**Created:** [20 December 2025 21:32 UTC](https://discourse.nodered.org/t/how-to-reliably-sequence-modbus-requests/100003 "2025-12-20T21:32:04Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![Breizh13](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/breizh13/32/105035_2.png) [@Breizh13](https://discourse.nodered.org/u/Breizh13)
#### Post date: [20 December 2025 22:31 UTC](https://discourse.nodered.org/t/how-to-reliably-sequence-modbus-requests/100003/3 "2025-12-20T22:31:00Z")

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Thank you Colin for your quick reply, I wasn't expecting so much. I had read a similar reply from you in another discussion thread.

[https://discourse.nodered.org/t/using-the-modbus-flex-getter-node-to-read-data-from-multiple-devices-at-the-same-time-can-become-laggy/93170?u=breizh13](https://discourse.nodered.org/t/using-the-modbus-flex-getter-node-to-read-data-from-multiple-devices-at-the-same-time-can-become-laggy/93170)

I have read and reread your proposal, and I will read it again tomorrow. I think I understand it. I need to think it over and run some tests. On the power variator, I request 28 registers every second, but only use a few of them. On the energy measurement module, I request roughly 55 every second, again to use only a few, but that works fine. On the temperature measurement, only one register every 10 minutes. I'll test it tomorrow, Sunday. It's late here in France, so I'm going to get some sleep!

--  
Philippe

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