Sony VPL-HS51 Service Manual ▷ View online
9
VPL-HS51
3-3. SDAP Protocol
This section describes the SDAP packet structure.
Fig.1 Packet structure
1) Header
The header consists of ID (16 bit), version (8 bit) and category (8 bit).
Fig. 2 Header
ID
It is fixed to “DA”.
Version
This indicates the version number of protocol.
It is fixed to 01h (version 1).
Category
Category number 0Ah of the projector is entered here.
2) Community
When the community data matches the community that is set in the display equipment, the request is
executed. Community consists of four alphanumeric characters (case sensitive). All display
equipment has the default value “SONY” when shipped from the factory.
equipment has the default value “SONY” when shipped from the factory.
Fig. 3 Community
3) Equipment Information
Product Name
Name of equipment (Maximum twelve characters)
In case, less than twelve characters, 00h is entered in the blank space.
In case, less than twelve characters, 00h is entered in the blank space.
Serial No.
Serial number is entered.
Power Status.
Power supply status of the equipment is entered.
Location
Information of installation location (Maximum twenty four characters)
In case, less than twenty four characters, 00h is entered in the blank space.
In case, less than twenty four characters, 00h is entered in the blank space.
Header
(4)
Community
(4)
Product name
(12)
Serial No.
(4)
Location
(24)
Power
Status
Status
(2)
1
1
0
2
3
4
5
6
7
0
9
8
0
1
2
3
4
5
7
6
8
9
0
1
2
3
5
4
6
7
8
9
0
1
(Bit position)
2
3
Version (8)
“DA” (16)
Category (8)
(Bit position)
Community (32)
1
1
0
2
3
4
5
6
7
0
9
8
0
1
2
3
4
5
7
6
8
9
0
1
2
3
5
4
6
7
8
9
0
1
2
3
10
VPL-HS51
3-4. SDCP Protocol
This section describes the packet structure of version 2.
Fig. 1 Packet structure
3-4-1. Format
3-4-1-1. Header
The header consists of version (8 bits) and category (8 bits).
Fig. 2 Header structure
Version
This indicates the version number of protocol.
It is fixed to 02h (version 2).
Category
Category number 0Ah of the projector is entered here. Projector checks the category number. If a differ-
ent category number is entered, the request is ignored.
3-4-1-2. Community
When the community data matches the community that is set in the display equipment, the request is
executed. Community consists of four alphanumeric characters (case sensitive). All display equipment
executed. Community consists of four alphanumeric characters (case sensitive). All display equipment
has the default value “SONY” when shipped from the factory.
n
Community should be entered with four characters. Three characters or less are not accepted.
Community should be entered with four characters. Three characters or less are not accepted.
Data (n)
Community
(4)
Command
(4)
Header
(2)
(Bit position)
Version (8)
Version (8)
Category (8)
Category (8)
1
1
0
2
3
4
5
6
7
0
9
8
0
1
2
3
4
5
(Bit position)
Community (32)
1
1
0
2
3
4
5
6
7
0
9
8
0
1
2
3
4
5
7
6
8
9
0
1
2
3
5
4
6
7
8
9
0
1
2
3
11
VPL-HS51
3-4-1-3. Command
This section describes the format of the request command and the response command.
(1) Request
This section describes the format of the request command that is issued from the host PC to the projector.
This section describes the format of the request command that is issued from the host PC to the projector.
Community
This is the same alphanumeric characters as those of community that is set in the projector to which
request is going to be sent.
request is going to be sent.
Request
There are only two types of request. One is the GET request to acquire the projector information and
status. The other is the SET request to modify the projector setup.
status. The other is the SET request to modify the projector setup.
Request
Contents
SET (00h) Used to control turning the power on/off and to control the input selector, and to change the various setups.
GET (01h) Used to acquire the installation information, equipment status and various setup values.
Item No.
This is the item number of the request target.
Data Length
This is the length of the data accompanying the request. The maximum length is 128 bytes. If there is no
data, it is 0.
data, it is 0.
Data
This is the data accompanying the request.
(2) Response
This section describes the format of the response command which is used to return a response to the host
PC from the projector.
This section describes the format of the response command which is used to return a response to the host
PC from the projector.
Community
The same alphanumeric characters as those of the request is entered.
Response
The response returns the result of executing the request from the host PC.
Response
Contents
NG (00h)
Indicates that the request is illegal or cannot be executed.
OK (01h)
Indicates that the request was executed correctly.
Item No.
The same value as those of the request is entered.
Data Length
This is the length of the data accompanying the response. The maximum length is 128 bytes. If there is no
data, it is 0.
data, it is 0.
Data
This is the data accompanying the response.
Item No (16)
Item No (16)
Data Length (8)
Data Length (8)
Request/Response (8)
Request/Response (8)
(Bit position)
1
1
0
2
3
4
5
6
7
0
9
8
0
1
2
3
4
5
7
6
8
9
0
1
2
3
5
4
6
7
8
9
0
1
2
3
12
VPL-HS51
SET (00h)
Item No.
n
Set Data (n byte)
Request
Item No.
Data
Length
Data
OK (01h)
Item No.
0
3-4-1-4. SET Request
The SET request is used to set a new value in the specified item. Details of the request and the response
are described below.
are described below.
Request
Response
3-4-1-5. GET Request
The GET request is used to acquire the value of the specified item. Details of the request and the response
are described below.
are described below.
Request
Response
3-4-1-6. ERROR Response
When an error occurs in the contents of a request or in the result of execution, NG is returned as the
response.
response.
OK (01h)
Item No.
n
Get Data (n byte)
GET (01h)
Item No.
0
Request
Item No.
Data
Length
NG (00h)
Item No.
2
Error Code (16)
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