17
Command Control using the Network
Command control settings
[TCP #23]
1. Command format
Same as RS-232C communication, refer to RS-232C Communication command format.
2. Response code / Error code
(h shows hexadecimal)
Four of the response / error code used for TCP#23 are the same as RS-232C
Communication (1)~(4). One authentication error reply (5) is added.
(1)
ACK reply : 06h
Refer to RS-232C communication
(
&
14
).
(2)
NAK reply : 15h
Refer to RS-232C communication
(
&
14
).
(3)
Error reply : 1Ch + 0000h
Refer to RS-232C communication
(
&
14
).
(4)
Data reply : 1Dh + xxxxh
Refer to RS-232C communication
(
&
14
).
(5)
Authentication error reply : 1Fh + 0400h
When authentication error occurs, the projector returns the error code.
[TCP #9715]
1. Command format
The commands that some datum are added to the head and the end of the ones
of TCP#9715 are used.
Header
Data length
RS-232C command
Check sum
Connection ID
0×02
0×0D
13 bytes
1 byte
1 byte
[Header]
02, Fixed
[Data Length]
RS-232C commands byte length (0×0D, Fixed)
[RS-232C commands]
Refer to RS-232C Communication command format
(
&
13
)
.
[Check Sum]
This is the value to make zero on the addition of the lower 8 bits from the header
to the checksum.
[Connection ID]
Random value from 0 to 255 (This value is attached to the reply data).
NOTE
• Operation cannot be guaranteed when the projector receives an
undefined command or data.
• Provide an interval of at least 40ms between the response code and any other
code.
• Commands are not accepted during warm-up.
