LDM42E

Precise, robust and flexible
The LDM42E is an optoelectronic distance measuring device for industrial applications with an integrated Ethernet interface. It works contact-free on the principle of comparative phase measurement (amplitude modulation) and facilitates precisely accurate measurement of distances.
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LDM42E
LDM42E distinguishs itself through high precision as well as high independence from the surface of the measuring object. The red, well visible laser beam allows for easy alignment. The LDM42E has been developed for fast distance measurements on nearly every natural surface. Through the integrated Ethernet interface it is possible to retrieve the measured data or change parameters via TCP/IP, UDP or Telnet protocol .
Applications
- Distance measurement and determination of position
- Diameter measurement of rolls / coils
- Fill level measurement
- Position control
- Monitoring of safety-relevant parts
- Monitoring of lifting plants / lifting height measurement and positioning of elevators
- Monitoring and positioning of cranes and conveyor systems
- Millimeter precise measurement on various surfaces
- High range reflector-less distance measurement, with additional reflectors on the target object measurements over 100 m
- Operation in extreme ambient temperatures with high precision and range
- High supply voltage range between 10 V and 30 V DC with low power consumption
- Safe operation through laser class 2
- Easy targeting through visible laser beam
- Interface cable for supply voltage, switching output and trigger input
- Ethernet interface, protocols, Telnet, UDP
- Customized parameterization and display of measured values via PC
- Display of measured values in meters, feet, inches or freely scalable
- Robust, compact housing, easy to install, protection standard IP 65
0.2 m ... 30 m on almost all natural surfaces
over 100 m achievable depending on the degree of reflection of surfaces
±2 mm under defined measuring conditions
±3 mm (+15 °C ... +30 °C)
±5 mm (-10 °C ... +50 °C)
0.5 mm
0.1 mm, freely scalable
0.1 s ... 6 s adjustable or automatically in mode DT
20 ms in mode DX on white surface
Laser class 2 acc. to DIN EN 60825-1:2001-11 (650 nm, red)
0.6 mm
RS232 , Baud rate 38400, ASCII hex,
setting of measuring functions, scaling, measuring time via commands, display of measured values, internal temperature and error code
Programmable switching threshold and hysteresis, "high side" switch, maximum load 0.5 A
FastEthernet, max. 100 Mbit/s,
Data transmission with TCP/IP or UDP
Telnet protocol (ASCII) for parameterization
10 V ... 30 V DC
Ca. 3.5 W
Ca. 28 W with active Heating
-10 °C ... +50 °C
-40 °C ... +50 °C with integrated heating
Aluminum, powder coated and anodized
198 mm x 96 mm x 50 mm
800 g
IP 65
10 g / 6 ms (DIN ISO 9022-3-31-01-1)
30,000 hours at 25 °C
4 drill holes for M6 screws, drill pattern 100 mm x 85 mm
Integrated heating (-h), housing gasket made of Viton® (-v), air pressure regulation unit (-d)
1)Dependent on target reflectance, influence of extraneous light and atmospheric conditions
2)Statistical spread of 95 %
3)Measurement on planar, vertical white surface at standstill or in continuous movement, + 15 °C to +30 °C
4)Dependent on target reflectance, influence of extraneous light and atmospheric conditions
5)At a distance of 10 m the beam diameter is 6 mm, at 100 m it is 6 cm