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Command / Response Formats
Table 5-3
depicts the command and response formats for all SE4750 commands.
In the columns SE4750 Command Data and SE4750 Response Data, the following letters identify the size of the
data: (B) = Byte, (W) = Word, or (A) = Array. Words are in Little-Endian format (low byte first).
* indicates the default.
SE4750 Command and Response Formats
Table 5-3
Function
WR_SENSOR
RD_SENSOR
AIM
AIM_DURING_EXPOSURE
RESET
ACQUISITION
ILLUMINATION_DURING_EXPOSURE
EXTERNAL_ILLUMINATION
ACQUISITION_MODE
Notes:
1. Every command has a 1 byte checksum (last byte of command). See Command Checksum on page 5-4.
2. Every response has a 1 byte status code immediately following the Opcode. See Response Status Code
on page 5-4.
3. These commands/responses have a variable length data field indicated by (A):Array. See Table 5-4 on
page 5-11 for the length of the field based on the param number.
SE4750 Command
Op
SE4750 Command Data
0x50
(W) Register
0x51
(W) Register
0x55
(B)
0x00=Off*
0x01=On
0x56
(B)
0x00=Off*
0x01=On
0x57
(B)
0x00=Sensor
0x01=SE4750
0x58
(B)
0x00=Stop
0x01=Start
0x59
(B)
0x00=Off*
0x01=On
0x5A
(B)
0x00=Floating Input*
0x01=On
0x02=Off
0x03=Follow Internal Illumination
0x04=Follow Trigger
0x05=Alternate with Internal Illumination
0x5B
(B)
0x00=Barcode Decode*
0x01=Document Capture
0x02=Motion Detect
0x03=Aim Capture
Control Interface
SE4750 Response
Note1
Op
(W) Value
0x50
-
0x51
(W) Value
0x55
-
0x56
-
0x57
-
0x58
-
0x59
-
0x5A
-
0x5B
-
5 - 9
SE4750 Response
Note2
Data
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