13
RS-232C Communication
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 [(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.
[CRC flag]
For byte number 5 and 6, refer to
RS-232C Communication / Network
command table
(
&
21
)
.
[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
(
&
above
).
[Type] [Setting code]
For byte number 9 to 12, refer to
RS-232C Communication / Network
command table
(
&
21
)
.
