Acuity AP820 Laser Scanners
Rev. 3.3
22
7.3
Register of Functions
You can read back the data of the register of functions of the AP820 laser sensor. The
content of this register is described in Section 8.2.
7.4
Sensor temperature
A temperature probe is built into the AP820 sensor. The temperature will be measured
one time per second.
Register
Bit No.
Meaning
Temperature
Reg.1
Byte 1562
6 to 0
Temperature
Value
Signed byte representing
temperature in °C, valid range from
–55 to 126°
Bit 7 is the leading sign
+126 C°
0x7E
+ 85 C°
0x55
+ 25 C°
0x19
+ 0 C°
0x00
- 1 C°
0xFF
- 25 C°
0xE7
7.5
Scanner Status Register
Register
Bit No.
Meaning
Value = 0
Value = 1
Status
Reg.1
Byte 1563, Bit 0
Byte 1563, Bit 1
Register condition
After reset
If changed
Byte 1563, Bit 2
Byte 1563, Bit 3
Laser
on
off
Byte 1563, Bit 4
Measurement control
Continuous
mode
Single
measurement
with Trigger
Byte 1563, Bit 5
Laser control
automatic
manual
7.6
Version Evaluation Registers
The version of the evaluation will be generated from the registers 1 + 2. Register 2
shows the third position of the version number.
Register
Bit No.
Meaning
Version Reg.1;
Byte 1564
7 to 0
Value 36 corresponds to e.g. version 3.6
Version Reg.2;
Byte 1576
7 to 0
Add to the content Reg.2 with e.g. content 1 results
version 3.61
7.7
Operating Hours Counter
The counter increases every 250 msec. For the result in seconds, the operating hours
counter [31 to 0] has to be divided into four.
Register
Bit No.
Meaning
Reg.1; Byte 1566
6 to 0
operating hours counter Bit 6 to 0
