How to collect Volvo ID48 data with VVDI Key Tool

Volvo model is special for collect data from switch, usually the ignition signal for acquisition every 15mins will change one time.
such as:if you use VVDI KEY TOOL to collect data within 5mins several times, you will get stuck at 1/8 collect data.
have to wait around 15mins later then do next time collect data, then will get 2/8 collect data.

Btw, keytool give Biiip when you place them close to ignition, so you can hear signal is detecing.
Combinate keytool with VVDI2 and use