Hitachi CP-X2511 Technical Manual - Page 9

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RS-232C Communication (continued) Communication settings 1. Protocol 19200bps,8N1 2. Command format ("h" shows hexadecimal) Byte Number 0 1 2 3 4 5 6 7 8 9 10 11 12 Command Header Data Action Header Data code Packet size LH LH CRC flag LH Action LH Type LH Setting code LH Change setting to desired value [(cL)(cH)] by [(eL)(eH)]. (aL) (aH) 01h 00h (bL) (bH) (cL) (cH) Read projector internal setup value [(bL) (bH)] . (aL) (aH) 02h 00h (bL) (bH) 00h 00h Increment setup value [(bL)(bH)] by 1. BEh EFh 03h 06h 00h (aL) (aH) 04h 00h (bL) (bH) 00h 00h Decrement setup value [(bL)(bH)] by 1. (aL) (aH) 05h 00h (bL) (bH) 00h 00h 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 ~ 4. [CRC flag] For byte number 5, 6, refer to RS-232C Communication command table. [Action] Set functional code to byte number 7, 8. = [01h, 00h], = [02h, 00h], = [04h, 00h] = [05h, 00h], = [06h, 00h] Refer to the command table above. [Type], [Setting code] For byte number 9 ～ 12, refer to RS-232C Communication command table. 9

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9
RS-232C Communication (continued)
Communication settings
1. Protocol
19200bps,8N1
2. Command format
("h" shows hexadecimal)
Byte Number
0
1
2
3
4
5
6
7
8
9
10
11
12
Command
Action
Header
Data
Header
code
Packet
Data
size
CRC
flag
Action
Type
Setting
code
L
H
L
H
L
H
L
H
L
H
L
H
<SET>
Change setting to
desired value [(cL)(cH)]
by [(eL)(eH)].
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
~
4.
[CRC flag]
For byte number
5, 6,
refer to
RS-232C Communication command table
.
[Action]
Set functional code to byte number 7, 8.
<SET
> = [01h, 00h], <
GET
> = [02h, 00h], <INCREMENT> =
[04h, 00h]
<
DECREMENT> = [05h, 00h], <EXECUTE> = [06h, 00h]
Refer
to
the
command table above.
[Type], [Setting code]
For byte number
9
～
12
, refer to
RS-232C Communication command table
.