Data Sheet

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Param. Default Min Max Name Description

F00 – 0000 FFFF Get software version Returns the ﬁrmware version of the sensor as a 16-Bit hex value.

For example: @F000078<CR><LF> " 120 " Version 01.20

F01 – 0000 FFFF Get type of device Returns the type of the device, that the ﬁrmware is running on.

0001: K-LD2

Table 13: Class F 16-Bit ﬂash read parameters

Param. Default Min Max Name Description

R00 – 00 0F Get detection register Returns the detection register with the content below.

Bit Name Description

0 Det Signals a valid detection.

0: no detection

1: valid detection

1 Dir Signals the direction of the detection.

0: backward / receding movement detected

1: forward / approaching movement detected

Only valid if Bit 0 is high.

2 Range Signals the speed range of the detection depen-

ding on the speed threshold parameter D06.

0: low speed range detected

1: high speed range detected

Only valid if the speed range threshold

is > 0 and if Bit 0 is high.

3 Micro Signals a micro detection found in the DC bin

ofthe FFT.

0: no micro detection

1: valid micro detection

R01 – 00 FF Get detection speed Returns the speed in bin of the last valid detection.

Only valid if the bit 0 in the detection register R00 is high.

R02 – 00 FF Get detection mag-

nitude

Returns the magnitude in dB of the last valid detection.

Only valid if the bit 0 in the detection register R00 is high.

R03 – 00 FF Get noise level Returns the mean noise level value in dB.

R04 – 00 02 Get operation state Returns the operation state of the sensor. Can be used at start up to check if the

sensor is ready.

00: start up

01: learn

02: run

R05 – 00 09 Get hold time poten-

tiometer index

Returns the current hold time potentiometer index.

00: 0V at the analogue input

09: 3V at the analogue input

R06 – 00 09 Get sensitivity poten-

tiometer index

Returns the current sensitivity potentiometer index.

00: 0V at the analogue input

09: 3V at the analogue input

Table 14: Class R 8-Bit real-time read parameters

Param. Default Min Max Name Description

W00 – – – Reset processor Generates a software reset.

Check the operation state after the reset with the parameter R04.

W01 – – – Restore factory

settings

Restores the default factory settings for all parameters.

Check the operation state after the restore with the parameter R04.

W02 00 00 01 Set UART baud rate Sets the baud rate of the serial UART interface.

00: 38400 bps

01: 460800 bps

This parameter is not stored. After a reset or restart the baud rate is set to

38400 bps.

Table 15: Class W 8-Bit basic write parameters