DORIC LEDFRJ Series Manuel utilisateur
LEDs with Fiber-optic Rotary Joint
User Manual
Version 2.1.2
Contents
1 General Overview 3
1.1 LED + Fiber-optic Rotary Joint ............................................ 3
1.2 LED Driver ........................................................ 5
1.3 Fan Power Adapter ................................................... 5
2 Operations Guide 6
2.1 Getting Started ...................................................... 6
2.2 FC Connector Installation ............................................... 7
2.3 Stand-alone mode (without Doric Neuroscience Studio Software) ........................ 8
2.4 Connected to Doric Neuroscience Studio Software ................................ 9
3 Doric Neuroscience Studio 10
3.1 Light Sources ....................................................... 10
4 Specifications 19
5 Support 21
5.1 Maintenance ....................................................... 21
5.2 Warranty ......................................................... 21
5.3 Contact us ........................................................ 21
2
1
General Overview
1.1 LED + Fiber-optic Rotary Joint
The Doric LED + Fiber-optic Rotary Joint are rotary joints integrated with one or several LEDs. This allows higher through-
put in comparison with conventional Fiber-optic Rotary Joints combined with a Connectorized LED light source.
1.1.1 Connectorized LED with Fiber-optic Rotary Joint
(a) Standard mount (b) Rotor (Yellow) and stator (black)
Figure 1.1: Connectorized LED with Fiber-optic Rotary Joint
The Connectorized LED with Fiber-optic Rotary Joint is a rotary joint with a single integrated LED. The light source is inte-
grated into the Stator (Black), with the light leaving through the Rotor (Yellow) (Fig. 1.1b). It has the following elements.
• The M8 connector port is used to provide power to the LED. The pinout can be found in Figure 4.1.
• The Beam aperture outputs light. The standard model uses an FC-type connector.
3
1.1.2 Combined LEDs with fiber-optic rotary joint
(a) 2-LED model
(b) 3-LED model (c) 4-LED model
Figure 1.2: Combined LEDs with fiber-optic rotary joint
The Combined LEDs with fiber-optic rotary joint are composed of a standard Combined LED body where the Beam
aperture has been replaced with a Fiber-optic rotary joint. The light sources are integrated into a Stator (Black), with
the light leaving through a Rotor (Yellow) (Fig. 1.3). They contain the following elements.
• The M8 connector ports are used to provide power to the LEDs. There is a single port per LED. The pinout can be
found in Figure 4.1.
• The Beam aperture outputs light. The standard model uses an FC-type connector.
• The Fan grids are found on the sides. They must be kept clear at all times to prevent overheating.
• The Stand is used to hold the LED vertically for easy use of the rotary joint.
Figure 1.3: Rotor (Yellow) and Stator on the LEDFRJ-2
Chapter 1. General Overview 4
1.2 LED Driver
The LED driver is used to provide power and control of various LED modules. The Connectorized LED with Fiber-optic
Rotary Joint can be used with the 1, 2 or 4-channel LED driver. The Combined LEDs with fiber-optic rotary joints can be
used with any driver having at least as many channels as the number of combined LEDs. For more details on driver
specifications and operation, see the LED Driver Manual.
Figure 1.4: 1,2 and 4-channel LED Driver
1.3 Fan Power Adapter
The Doric Fan Power Adapter allows the usage of LEDFRJ with the next-generation LED Driver. For more details specifi-
cations and operation, see the Fan power adapter manual.
Figure 1.5: Fan Power Adapter
Chapter 1. General Overview 5
2
Operations Guide
2.1 Getting Started
1. Installation depends on the specific source chosen.
• If using the Single-LED model, the rotary joint must first be installed in its holder (Holder FRJ large,GH FRJ).
It can then be mounted into the setup using 1/4 or M6 nuts and screws.
• If using a Combined LED model, the holder is already integrated. It can then be mounted into the setup using
1/4 or M6 nuts and screws.
Figure 2.1: Fan Power Adapter Installation Schematic
2. Connect the Power Splitter to the 12 V Power Supply.
6
3. Connect one output of the Power Splitter to the Doric LED Driver 12 V input, the other to the Power Extension Cable.
4. Connect the Power Extension Cable to the Fan Power Adapter 12 V input.
5. Connect each channel of the LED driver to the input connectors of the Fan Power Adapter using M8 cables.
6. Connect LEDFRJ to the Fan Power Adapter using M8 cables.
7. Connect the 12 V power supply to the wall plug.
8. Ensure the power key and the interlock plug are properly set in place.
9. Apply current and voltage within the limits indicated in table 4.2. On the Combined LED models, it is critical not to
block or insert objects into the grids as this could block airflow and reduce cooling efficiency.
10. When not in use, place plastic caps on the connectors for protection and cleanness.
2.2 FC Connector Installation
1. Clean the optical fiber connector before insertion. Use isopropanol and a lint-free wipe.
2. With an FC connector, the connector key must be oriented to enter within the receptacle slot to ensure proper
connection (Fig. 2.2).
Figure 2.2: FC connector, Fiber Installation
To reduce the risk of eye injury, it is sound practice to NOT CONNECT/DISCONNECT OPTICAL
FIBERS when the light source is turned on.
Chapter 2. Operations Guide 7
2.3 Stand-alone mode (without Doric Neuroscience Studio Software)
The following sections details stand-alone operation of the LED driver. For installation of the LEDFRJ in stand-alone
mode, see section 2.1.
2.3.1 Driver operation modes with the stand-alone device
If the light source driver is used as a stand-alone device, 3 modes are available: constant current (CW), external TTL (Ext.
TTL), and external Analog (Ext. Ana). The operating mode is changed by pressing the Control knob. The maximal driving
current is set by turning Control knob. Use a fast/slow rotation for coarse/fine adjustment. The operating mode and the
maximum driving current setting are independently adjusted for each channel.
Constant current (CW)
Figure 2.3: Constant Current Mode Driver Signal
When using the CW mode, the user simply sets the driving current applied to the light source. The light source is acti-
vated and an output beam will be visible as long as the driving current is above the minimum driving current (Fig. 2.3).
External TTL (TTL)
Figure 2.4: Driver Signal Response to External Source in External TTL Mode
In the External TTL mode, the driver is activated by an input TTL signal coming from an external device. This activation
will follow the TTL pulse waveform. The driving current is set with the control knob, and is constant during each TTL
activation pulse.
Chapter 2. Operations Guide 8
External Analog (Ext. Ana.)
Figure 2.5: External analog pulse sequence behavior
The External Analog mode is similar to the External TTL, except that the driving current is proportional to the voltage ap-
plied on the BNC input connector (Fig. 2.5, top). On the input BNC, a maximum voltage signal corresponds to a maximum
driver current. Should the current set on the light source be less than the maximum current, any voltage corresponding
to a higher current will clip the output waveform (Fig. 2.5, bottom). To avoid any clipping of the output waveform, the
maximum current setting must be equal to or greater than the corresponding maximum analog input voltage.
2.4 Connected to Doric Neuroscience Studio Software
1. Connect the LED Driver to the power outlet with the included 12 V power adapter and turn the LED Driver switch
ON. Always power the LED Driver before connecting the USB cable to the computer for a proper driver in-
stallation.
2. Install the Doric Neuroscience Studio Software on the computer. Double-click on the setup DoricStudioX.X.exe
file located on Doric USB memory stick supplied with the LED driver and follow the on-screen instructions.
3. Connect the USB-A/USB-B cable to the driver and the computer.
4. Connect each M8 connector of the Combined LED to the LED driver using an M8 electric cable.
5. With the system connected, the software can be used to control the device in External TTL, External Analog,
Internal TTL and Internal Complex modes. See section 3.1 for more details on using the software.
Chapter 2. Operations Guide 9
3
Doric Neuroscience Studio
3.1 Light Sources
Doric Light Sources can be controlled by the Doric Neuroscience Studio. These include LED Modules, Laser Diode Modules
and Ce:YAG Fiber Light Source. The interface is separated into two main sections, Control & settings and the Acquisition
View. Each light source driver has a number of Channels, each one controlling a light source of its given type. These
channels, accessible using the Add Channel will be the first detailed.
Figure 3.1: Light Source Driver Tab
3.1.1 Channels
Each light source driver is separated into a number of Channels. Each channel controls a single light source. While each
channel can be controlled in Stand-alone mode by the driver, additional functions can be accessed for these channels
when the driver is connected to the Doric Neuroscience Studio. These function are used through the Channel Config-
uration window (Fig. 3.2).
10
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