4.5 Reading Received Light Waveforms
WUME-SCHG1ETC-2
4-37
4.
To read the measured value associated with the saved waveform, send the “Measured value
at the time of waveform reading[HEAD.V]” command (READ). (Command code: 0x03B2)
If the response is normal, the following response data will be returned.
Read data
Measured value:
Bit 7 to Bit 0
Measured value:
Bit 15 to Bit 8
Measured value:
Bit 23 to Bit 16
Measured value:
Bit 31 to Bit 24
-1999999 to 1999999
Note: If it is unnecessary to obtain the measured value associated with the waveform, there is no need to
send the command.
5.
To read the edge information associated with the saved waveform, send the “Edge informa-
tion” command (READ). (Command code: 0x03B1)
If the response is normal, the following response data will be returned.
Read data
High
Low
Bit15 Bit14 Bit13 Bit12 Bit11 Bit10
Bit9 Bit8 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
Edge infor-
mation 1
Edge informa-
tion 2
Reserved
Reserved
Item
Bit15
Description
Edge information 1
0
Falling edge
Information about whether edge position 0 is a rising
edge or falling edge when viewed from the TOP side
1
Rising edge
Item
Bit14 Bit13
Set value
Description
Edge information 2
0
0
Both edges disabled
(When the beam axis
state is "indeterminate",
"fully blocked state", or
"measurement alarm 1")
Information about whether edge positions
are disabled or enabled.
If edge positions are enabled, this item
also identifies whether information for only
edge position 0 is enabled or information
for both edge position 0 and edge position
1 is enabled.
0
1
Only one edge enabled
1
0
Both edges enabled
Note: If it is unnecessary to obtain the edge information associated with the waveform, there is no need to
send the command.
6.
To read the edge positions associated with the saved waveform, send the “Edge position”
command (READ). (Command code: 0x03B3)
If the response is normal, the following response data will be returned.
Read data
High
Low
Bit15 Bit14 Bit13 Bit12 Bit11 Bit10
Bit9 Bit8 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
Edge position 0 (0x00 to 0xFF)
Edge position 1 (0x00 to 0xFF) (Note 1)
Notes: 1) If edge information 2 is set to “Only one edge enabled”, edge position 1 will be indeterminate.
2) If it is unnecessary to obtain the edge position associated with the waveform, there is no need to
send the command.
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