The problem

As pr documentation https://www.home-assistant.io/integrations/modbus/#delay

delay parameter is "Time to delay sending messages in seconds after connecting".

However current implementation counts from when connect is started.

What version of Home Assistant Core has the issue?

2025.7.1

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant OS

Integration causing the issue

modbus

Link to integration documentation on our website

https://www.home-assistant.io/integrations/modbus

Diagnostics information

No response

Example YAML snippet

Anything in the logs that might be useful for us?

Additional information

Pull request follows.