LLM - LED Light Manager

LLM - LED Light ManagerThe LLM can drive up to four separate lights of virtually any type or up to four individual quadrants or channels within an integrated photometric or multispectral ring light solution. Each program can contain up to four sequences with up to four lights set to continuous on, off, any intensity level in between, and even OverDriveTM strobe mode.

To program the four quadrants of a single LED illumination system such as a ring light or four separate LED light sources, simply connect the LLM to a computer via Ethernet cable and use the browser-based interface to program the light through a series of drop-down menus. The intuitive user interface makes it possible for technicians of any level to set image sequences and program intensities for each light.

The LLM system and light kit bundles initially will target 3D photometric stereo and 2D multi-light applications. When used in conjunction with specialized photometric stereo software from Matrox Imaging, Cognex, TeleDyne DALSA, SICK or MVTec, the lighting system can solve previously intractable tasks, such as finding a defect in the surface of a part. By capturing successive images of a stationary object as it is illuminated by a sequence of lights, photometric image processing software can determine the 3D surface orientation of every pixel across the object’s surface. The same technique can generate 2D images of multiple regions of interest using separate lights and/or cameras.

LLM is also appropriate for multispectral imaging solutions where the LED wavelengths — and not broad-spectrum white lights with optical filters in front of the sensor — are the spectral band selection mechanisms. Using the color of illuminating light as the spectral band selection mechanism can greatly reduce the cost of multispectral imaging solutions, while increasing budgets for imaging applications.

Product Specification

Electrical Input24 V DC +/- 5%
Electrical Input Connector2 position screw terminal block — 14 AWG max wire size
Operating Current (No Load)70 mA
Number of Input Channels8 (Including 1 input channel with interrupt capability)
Input Connector8 position screw terminal block — 14 AWG max wire size
Max Input Channel Voltage26 V
On / Off Trigger InputPNP mode: +4 V DC or greater to activate (max 26 V DC)
NPN mode: GND (<1 V DC) to activate
Input Channel CurrentPNP Line: 4 mA @ 4 V DC | 10 mA @ 12 V DC | 20 mA @ 24 V DC
NPN Line: 15 mA @ Ground (0 V DC)
Output Channels4 channels for lights plus 2 additional outputs, such as a camera trigger
Output Connectors4 5-pin M12 connectors
10 position screw terminal block – 14 AWG max wire size (configurable for NPN or PNP)
Output Current
(Per Channel)
PNP (sourcing): 65 mA
NPN (sinking): 65 mA
M12 Connector
(Per Channel)
Continuous mode: 1.85 A (polyfuse protected)
OverDrive™: 10 A — 10% duty cycle (polyfuse protected)
Total Current: 8 A (polyfuse protected)
Analog Output
(Per Channel)
Voltage: 1–10 V DC, continuous mode intensity control
Current: 0.5 mA max (with fault protection)
Slave ModeSelectable and configurable with dip switches
Indicator LightsPower on = Green light
Ethernet = 2 indicator lights
Protection CircuitryPolyfuse protection
Programming ConnectorEthernet port
SD CardmicroSD card
Reset ButtonHold down for 3 seconds
MountingDIN rail
DimensionsH = 120 mm (4.7"), L = 107 mm (4.2"), W = 45 mm (1.8")
Ambient Temperature-18º–40º C (0º–104º F)
Ambient Humidity0–95% non-condensing
CompliancesCE, RoHS
Terminal Blocks
(Included with LLM)
2 connector terminal block
8 connector terminal block
10 connector terminal block