ReadDouble

virtual double ISignal::ReadDouble() = 0

Gets the signal value as floating-point value.

Returns

double – Signal value.

Throws

• CInvalidOperationException – Entity associated with signal is in invalid state for specified value.

• CCommunicationErrorException – Protocol error.

• CConnectionLostException – Connection to controller lost.

• CRebootedException – Controller has been rebooted since this object reference was retrieved, invalidating this reference.