Revert "fix to get bit value of kv protocol"
Revert "fix to get bit value of kv protocol"

This reverts commit 7c38eb47f33b26f6c34c7de5b9c535e763f7aecb.

ito-soft-design/ladder_drive,ito-soft-design/ladder_drive,ito-soft-design/escalator,ito-soft-design/escalator