Hitachi CP-WX1100 Technical Manual page 19

Get the communication Group identification and
Communication ID
(1) Send the following request code from the PC to the projector.
Header + Command data ('02H' + '00H' + target number (2 bytes) + connection ID
(2 bytes))
(2) The projector returns the response code to the PC.
'90H' + '04H' + connection ID (2 bytes) + target number (2 bytes) + group (1 byte)
+ ID (1 byte)
When the projector cannot understand the received command, the error code is
sent back to the PC.
'97H' + '04H' + connection ID (2 bytes) + '00H' + '00H' + '00H' + '00H'
When the projector cannot execute the received command, the error code is sent
back to the PC.
'91H' + '06H' + connection ID (2 bytes) + position number of projector having an
error* (2 bytes) + group (1 byte) + ID (1 byte) + error code (2 bytes)
* The position number is counted from the projector connected to PC directly,
which has No.1 as position number. Then, the next one is No.2 and so on.
Error Code
Error Code
0 The command was not accepted, since the projector connected to PC was
busy.
1 Communication error is happened between projectors.
2 The command was not accepted, since the designated projector was not
found.
NOTE • As for the transmission of the second or subsequent commands, the
authentication data can be omitted when the same connection.
• Commands are not accepted during warm-up.
•To use the daisy chain communication, set the DAISY CHAIN of the
COMMUNICATIONTYPE item in the OPTION menu on the OSD (On Screen Display)
(User's Manual (detailed) - Operating Guide)
Daisy Chain Communication
Content
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