94
DWU951 (DD1-WU80P/81P) / DWX951 (DD1-WX80P/81P) / DXG1051 (DD1-X100P/101P)
DWU951/DWX951/DXG1051 Service Manual
020-000674-01 Rev.1 (01-2014)
Page 94 / 118
5-67
RS-232C cable
(cross)
RS-232C
CONTROL
①②
⑥⑦⑧⑨
⑤④③
CD (1)
(1)
−
RD(2)
(2) RD
TD
(3)
(3) TD
DTR (4)
(4)
−
GND (5)
(5) GND
DSR (6)
(6)
−
R
TS (7)
(7) R
TS
DTS (8)
(8) CTS
RI (9)
(9)
−
RS-232C Communica
tion
RS-232C Communication
When the projector connects to the computer by RS-232C communication, the
projector can be controlled with RS-232C commands from the computer
.
For details of RS-232C commands, refer to RS-232C Communication / Network
command table.
Connection
1.
T
urn of
f the projector and the computer
.
2.
Connect the projector's
CONTROL
port and the computer's RS-232C port
#&=!!?@ H%
#
3.
T
urn the computer on, and turn the projector on after the computer has started up.
4.
Set the COMMUNICA
TION
TYPE to OFF in the COMMUNICA
TION menu of the
OPTION - SER
VICE menu.
1
9876
5432
CONTROL
port
of the projector
RS-232C port
of the computer
RS-232C Communica
tion
Communica
tion settings
1. Pr
otocol
19200bps, 8N1
2. Command f
or
ma
t
("h" shows hexadecimal)
Byte Number
0
1
2
3
45
6
7
8
9
10
1
1
12
Command
Action
Header
Data
Header
code
Packet
Data
size
CRC
§
Action
T
ype
&
code
L
H
L
H
L
H
L
H
LH
L
H
<SET>
?
desired value [(cL)(cH)]
by [(bL)(bH)].
BEh
EFh
03h
06h
00h
(aL)
(aH)
01h
00h
(bL)
(bH)
(cL)
(cH)
<GET>
Read projector
internal setup value [(bL)
(bH)] .
(aL)
(aH)
02h
00h
(bL)
(bH)
00h
00h
<INCREMENT>
Increment setup value
[(bL)(bH)] by 1.
(aL)
(aH)
04h
00h
(bL)
(bH)
00h
00h
<DECREMENT>
Decrement setup value
[(bL)(bH)] by 1.
(aL)
(aH)
05h
00h
(bL)
(bH)
00h
00h
<EXECUTE> Run a
command [(bL)(bH)].
(aL)
(aH)
06h
00h
(bL)
(bH)
00h
00h
[Header code] [Packet] [Data size]
Set [BEh, EFh, 03h, 06h, 00h] to byte number 0 to 4.
^
"
For byte number 5 and 6, refer to
RS-232C Communication / Network
command table
.
[Action]
Set functional code to byte number 7 and 8.
<SET> = [01h, 00h], <GET> = [02h, 00h], <INCREMENT> = [04h, 00h]
<DECREMENT> = [05h, 00h], <EXECUTE> = [06h, 00h]
Refer to the Communication command table
.
%
For byte number 9 to 12, refer to
RS-232C Communication / Network
command table
.
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