Hitachi CP-SX8350, Руководство пользователя

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11
RS-232C Communication (continued)
Communicaion 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
 ag
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 [(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.
>&5&ÀDJ@
For byte number
5, 6,
refer to
RS-232C Communication / Network command
table (
19
) .
[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 Communication command table
(
above
).
[Type] [Setting code]
For byte number 9 to 12, refer to RS-232C Communication / Network
command table (
19
) .