Safety Instructions

SYMEO LPR
®
LPR-1D
Product Documentation
System Description
Copyright © Symeo GmbH 2010
Page 11 of 87
2 System Description
2.1 System architecture
SYMEO Industrial LPR
®
is a system for contactless, real-time determination of distances and
positions.
LPR
®
1D is a distance measurement system which is particularly well suited for use in very
harsh, industrial environments, in which other systems such as mechanical rotary encoders
or lasers cannot function for long periods.
All devices have a unique identifier, via which they are actuated. In order to measure the
signal transit time and thus also a corresponding distance, the two devices involved are
time-synchronized (with accuracy in the picoseconds range).
LPR
®
units use the same frequency band and the same hardware for communicating as for
measuring distance. This means that no external WLAN or cable networks are needed for
transmitting measurement values and other reference data.
2.2 Technical Data
Overview: Technical Data
Frequency range
5.725-5.875 GHz
Transmitted power
*1
Max. 0.008 W / 9 dBm output on the antenna port
Output power is adjustable
For overall output power antenna gain and cable attenuation must be
added, see chapter 6 for details.
Range
*2
Max. 1800 m
Measurement
accuracy
*2
Max. ± 5 cm
Measurement
frequency
*3
Max. 30 Hz
Power supply
10-36 V DC
Ambient temperature
*4
-40°C to +70°C
*
1
Transmitted power/ field strength can be adjusted to assure that emission limits at the
antenna are within legal limits, e.g. 25 mW EIRP in the EU and 50 mV/m at a distance of 3 m
in the US and Canada. For FCC /IC authorization the maximum field strength is limited by
firmware.
*
2
Depending on the antenna type, mounting position and environment
*
3
For FCC/IC authorization a maximum measurement frequency of 10 Hz is allowed.
*
4
Temperature inside the housing can range from -40°C to 85°C.