Values update Delay

Dear sir/Madam,

I have taken 2 register vaule from q serries plc and shown in scada screen.
The vaules are updateing one by one not same time.
I given the scan time 1.
Due to this ia having probelm in data logging ( values are jumping ).

In the same time i checked HMI screen the vaules are updateing same time .

Kindly give the feedback to rectify it and if you need any more setting please let me know.

Thanks & Regards
Vignesh G