AUTOMATIC METERING LOGOUT METHOD FOR PRE-PAID ELECTRICITY VENDING SYSTEM

摘要

It is disclosed that a method for automatically removing meters from a prepayment vending system being characterized in steps as following that: Sending a meter removing request data table by a user via a customer interface unit (CIU) to a terminal server; Receiving said meter removing request data table and inquiring customer/meter file data table by the terminal server; Accepting the meter removing request and returning a data table representative of 'confirm' back the CIU by the terminal server; Receiving the data table representative of 'confirm' by the CIU, and verifying said data table by the user before transmitting the verified data table by the CIU to the terminal server; Receiving and recording the verified data table, and then creating a meter removing record, as well as returning a series of DM_TOKEN data code back the CIU by the terminal server; Communicating and inputting the series of DM_TOKEN data code by the CIU to the meter to be removed or logged off, and then returning a series of RC_TOKEN data code to the CIU, after loading said DM_TOKEN data code, by the meter to be removed or logged off; Loading the returned RC_TOKEN data code from the meter, and then controlling the relay thereof to switch off, as well as creating and transmitting a series of MC_TOKEN data code to the terminal server by the CIU; Receiving and loading the series of MC_TOKEN data code, and then determining whether some balances of the user remained exists by the terminal server; Receiving and decoding the MC_TOKEN data code, and then calculating the number of balance remained, as well as creating a meter removed record by the terminal server as long as determined the balance exists; receiving and decoding the MC_TOKEN data code, and then creating directly a meter removed record by the terminal server as long as determined the balance even no exists.