2024-11-01电能表预付费系统-标准传输规范(STS)（29）6.5.3DecoderKeygeneration6.5.3.1PANBlockconstructionMeterPANMeterPrimaryAccountNumberAuniqueidentificationnumberforeachSTS-compliantpaymentmeter.ItissharedbetweenthepaymentmeterandthePOS.EncodingitintotheDecoderKeyenforces