Subscribing is a smart move!
You can subscribe to this board after you log in or create your free account.
Invite a Co-worker
Send a co-worker an invite to the portal.Just enter their email address and we'll connect them to register. After joining, they will belong to the same company.
Send Invite Cancel
Link copied. Please paste this link to share this article on your social media post.
Modbus serial communication is being performed using the BMX NOM0200 model.
I used Read_var, and the following phenomenon has occurred, so I want to get help.
Master (PLC) – Slave (Laptop): PLC is requesting 0A(10) data with function code 4 and sending 10 to laptop.
However, the value is not updated in PLC and has the latest value as below.
Please check the attached project file and review if there is any abnormality.
Create your free account or log in to subscribe to the board - and gain access to more than 10,000+ support articles along with insights from experts and peers.