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11
VPL-HW15
START CODE
B0
B1
B2
B2
B4
B3
DATA
ITEM NUMBER
TYPE
CHECK SUM
*1
END CODE
B5
B6
B7
[A9h]
Put the item number. Refer to the item list in the sections 2-1-1 and 2-1-2.
SET: 00h (Set data)
GET: 01h (Get data)
GET: 01h (Get data)
SET:
Put the Data value described in the item list in the sections 2-1-1 and 2-1-2.
GET: Unused. Set Dummy data [00h, 00h]
Check Sum
[9Ah]
START CODE
B0
B1
B2
B2
B4
B3
DUMMY DATA
ACK / NAK
TYPE
CHECK SUM
*1
END CODE
B5
B6
B7
[A9h]
Refer to the reply definition table in the section 2-2.
[03h]
This data does not mean any senses.
Dummy Data [00h, 00h] is stored.
Dummy Data [00h, 00h] is stored.
Check Sum
[9Ah]
3-4. Command Block Format
There is one type of block format for RS-232C as shown in the Fig. 1-1. In this section, the block format
for Simplifi ed Command is provided.
for Simplifi ed Command is provided.
3-4-1. Simplifi ed Command
[Send]
The block format for sending request is shown below.
The block format for sending request is shown below.
[Receive (without data)]
The block format for response which includes no return data is shown below. Response is always sent by
PROJECTOR.
The block format for response which includes no return data is shown below. Response is always sent by
PROJECTOR.
[Receive (with data)]
The block format for response which includes return data is shown below. Response is always sent by
PROJECTOR.
The block format for response which includes return data is shown below. Response is always sent by
PROJECTOR.
*1: CHECK SUM: B1 to B5 are calculated by OR. Refer to the example below.
<Example of Calculation>
0xA9 1010 1001 0xA9 1010 1001
0xA9 1010 1001 0x9A 1001 1010
Answer
1010 1001 Answer
1011 1011
0xA9
0xBB
START CODE
B0
B1
B2
B2
B4
B3
DATA
ITEM NUMBER
TYPE
CHECK SUM
*1
END CODE
B5
B6
B7
Check Sum
[9Ah]
[A9h]
Refer to the item list in the sections 2-1-1 and 2-1-2.
[02h]
Express data to be Reply data
Express data to be Reply data
Data value described in the item list
in the sections 2-1-1 and 2-1-2.
in the sections 2-1-1 and 2-1-2.
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