sending sequence number received iec104

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The master station transmits
680,407,000,000
starting byte length = 68 data units (APDU) = 4 U format frame STARTDT: ACT = 1 CON = 0 STOPDT: ACT = 0 CON = 0 TESTFR: ACT = 0 CON = 0
transmitted from the station
68 04 0b 00 00 00
start byte length = 68 data units (APDU) = 4 U format frame STARTDT: ACT = 0 CON = 1 STOPDT: ACT = 0 CON = 0 TESTFR: ACT = 0 CON = 0
link connection is completed!
master sends
68 0e 00 00 00 00 64 01   06 00 01 00 00 00 00 14 transmit the I frame I (0,0) after the transmission, the master station transmits the serial number is a
starting byte of data unit = 68 length (APDU) = 14 I format frame transmission sequence number (NS) = 0 receive sequence number (NR) = 0 TI = 100 VSQ = 01 SQ = 0 INFONUM = 1 COT = 06 T = 0 PN = 0 CAUSE = 6 COA = 1 C_IC_NA_1
total positive acknowledgment call command activation point number = 0 CP8 = 20
transmitted from the station
68 04 01 00 02 00  received from the station to the I frame, the reception sequence number by
the starting byte length = 68 data units (APDU) = 4 S format receiving frame number (NR) = 1
master station transmits
68 14 02 00 00 00 67 01 06 00 01 00 00 00 00 a8 de 13 0f 1c 04 13 transmit I frame I (1, 0), the master station transmits No. + 2 is
the starting byte length = 68 data units ( APDU) = 20 I format frame transmission sequence number (NS) = 1 receive sequence number (NR) = 0 TI = 103 VSQ = 01 SQ = 0 INFONUM = 1 COT = 06 T = 0 PN = 0 CAUSE = 6 COA = 1 C_CS_NA_1
clock synchronization command activates positive acknowledgment
dot 00 = 19 ms 57 seconds effective time = 0 minutes TIV 15 hours on 19 April 28
master sends
680,443,000,000
starting byte length = 68 data units (the APDU) = 4 U format frame STARTDT: ACT = 0 CON = 0 STOPDT: ACT = 0 CON = 0 TESTFR: ACT = 1 CON = 0
transmitted from the station
680,483,000,000
starting byte length = 68 data units (the APDU) = 4 U format frame STARTDT: ACT = 0 CON = 0 STOPDT: ACT = 0 CON = 0 TESTFR: ACT = 0 CON = 1
master sends
680,443,000,000
starting byte length = 68 data units (the APDU) = 4 U format frame STARTDT: ACT = 0 CON = 0 STOPDT: ACT = 0 CON = 0 TESTFR: ACT = 1 CON = 0
transmitted from the station
680483000000
= 68 starting byte length data unit (APDU) = 4 U format frame STARTDT: ACT = 0 CON = 0 STOPDT: ACT = 0 CON = 0 TESTFR: ACT = 0 CON = 1
master sends
680443000000
= 68 starting byte length data unit (APDU) = 4 U format frame STARTDT: ACT = 0 CON = 0 STOPDT: ACT = 0 CON = 0 TESTFR: ACT = 1 CON = 0
transmitted from the station
680483000000
= 68 starting byte length data unit (APDU) = 4 U format frame STARTDT: ACT = 0 CON = 0 STOPDT: ACT = 0 CON = 0 TESTFR: ACT = 0 CON = 1
transmitted from the station
680401000400
= 68 starting byte length data unit (APDU) = 4 S format of the received frame sequence number (NR) = 2

 

 

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Origin blog.csdn.net/wojiuguowei/article/details/89639245
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