Hitachi LP-AW4001 - Page 99

99
Command Format
Command formats differ among the different communication ports.
Ɣ7&3
You can use the RS-232C commands without any changes. The reply data
IRUPDWLVWKHVDPHDVWKH56&FRPPDQGV

RS-232C Communication in
WKH2SHUDWLQJ*XLGH7HFKQLFDO
+RZHYHUWKHIROORZLQJUHSO\ZLOOEHVHQWEDFNLQWKHHYHQWRIDXWKHQWLFDWLRQ
failure when authentication is enabled.
Header Data length RS-232C command Check Sum
Connection
ID
0x02 0x0D 13 bytes 1 byte 1 byte
Reply Error code
0x1F 0x04 0x00
5HSO\LQWKHHYHQWRIDQDXWKHQWLFDWLRQHUURU!
+HDGHU ĺ [)L[HG
'DWDOHQJWK ĺ 56&FRPPDQGVE\WHOHQJWK[')L[HG
56&FRPPDQG ĺ 56&FRPPDQGVWKDWVWDUWZLWK[%([()
E\WHV
&KHFN6XP ĺ 7KLVLVWKHYDOXHWRPDNH]HURRQWKHDGGLWLRQRIWKH
lower 8 bits from the header to the checksum.
&RQQHFWLRQ,' ĺ 5DQGRPYDOXHIURPWR7KLVYDOXHLVDWWDFKHG
to the reply data)
Ɣ7&3
Send Data format
7KHIROORZLQJIRUPDWWLQJLVDGGHGWRWKHKHDGHU['DWDOHQJWK['
&KHFNVXPE\WHDQG&RQQHFWLRQ,'E\WHRIWKH56&FRPPDQGV
8. Other Functions
8.4 Command Control via the Network (continued)