Readmode
Using the remote function blocks as a client requires specifying the access mode to the peer objects. The variable eReadMode of type E_BACnet_CommMode specifies the access method.
eAuto = Automatic
eCov = Unconfirmed COV
eCovC = Confirmed COV
eCovU = Unsubscribed COV
eRp = Read Property
eRpm = RPM=Read Property Multiple