An Application Service Data Unit (ASDU) is a block of data that is sent from the Controlling Station (SCADA master) to an outstation or other device (such as ClearSCADA), or vice versa, using the IEC 60870-5 protocol.
An Application Service Data Unit (ASDU) is a block of data that is sent from the Controlling Station (SCADA master) to an outstation or other device (such as ClearSCADA), or vice versa, using the IEC 60870-5 protocol.