13
Command Control via the Network (continued)
Command control settings
[TCP #23]
1. Command format
6DPHDV56&FRPPXQLFDWLRQUHIHUWR56&&RPPXQLFDWRQFRPPDQGIRUPDW
2. Response code / Error code KVKRZVKH[DGHFLPDO
)RXURIWKHUHVSRQVHHUURUFRGHXVHGIRU7&3DUHWKHVDPHDV56&
&RPPXQLFDWLRQa2QHDXWKHQWLFDWLRQHUURUUHSO\LVDGGHG
(1)  ACK reply : 06h 
5HIHUWR56&FRPPXQLFDWLRQ
 
10
(2)  NAK reply : 15h 
5HIHUWR56&FRPPXQLFDWLRQ
 
10
(3)  Error reply : 1Ch + 0000h 
5HIHUWR56&FRPPXQLFDWLRQ
 
10
(4)  Data reply : 1Dh + xxxxh 
5HIHUWR56&FRPPXQLFDWLRQ
 
10
(5)  Authentication error reply : 1Fh + 0400h 
:KHQDXWKHQWLFDWLRQHUURURFFXUUHGWKHSURMHFWRUUHWXUQVWKHHUURUFRGH
[TCP #9715]
1. Command format
7KHFRPPDQGVVRPHGDWXPDUHDGGHGWRWKHKHDGDQGWKHHQGRIWKHRQHVRI
7&3DUHXVHG
+HDGHU 'DWDOHQJWK 56&FRPPDQG &KHFNVXP &RQQHFWLRQ,'
î î' E\WHV E\WH E\WH
[Header] 
)L[HG
[Data Length] 
56&FRPPDQGVE\WHOHQJWKî')L[HG
[RS-232C commands] 
5HIHUWR56&&RPPXQLFDWLRQFRPPDQGIRUPDW 
9
[Check Sum] 
7KLVLVWKHYDOXHWRPDNH]HURRQWKHDGGLWLRQRIWKHORZHUELWVIURPWKHKHDGHU
WRWKHFKHFNVXP
[Connection ID] 
5DQGRPYDOXHIURPWR7KLVYDOXHLVDWWDFKHGWRWKHUHSO\GDWD
NOTE2SHUDWLRQFDQQRWEHJXDUDQWHHGZKHQWKHSURMHFWRUUHFHLYHVDQ
XQGH¿QHGFRPPDQGRUGDWD
3URYLGHDQLQWHUYDORIDWOHDVWPVEHWZHHQWKHUHVSRQVHFRGHDQGDQ\RWKHU
FRGH
&RPPDQGVDUHQRWDFFHSWHGGXULQJZDUPXS