superlum OEM-MOPA User manual
OEM MOPA Light Sources. User Manual.
Document ID: SL.3328.01.000RE / Rev. 1.0, Date: 25/09/2020 Page 1of 23
SUPERLUM Diodes Ltd., Ireland www.superlumdiodes.com
OEM Master Oscillator Power Amplifier SLD
Light Sources
User Manual
ATTENTION
ELECTROSTATIC
SENSITIVE DEVICES
© SUPERLUM Diodes Ltd., 2016-2020 All rights reserved
B3, Fota Point Enterprise Park, Carrigtwohill, Co. Cork, Ireland.
Ph. +353-(0)21-4533666;
For more information, please visit: http://www.superlumdiodes.com
OEM MOPA Light Sources. User Manual.
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GENERAL WARNING
Before using this Light Source, ALL users should read this manual and fully understand
how to operate this Light Source.
ABSOLUTE MAXIMIM RATINGS WARNING
Failure to comply with the following requirements may result in the catastrophic failure
of the Light Source.
Parameter
Min
Typ
Max
DC supply voltage, V
9.0
12.0
15.0
DC supply current, A
–
–
3
Remote Port input voltage, V
0
5
8
Remote Port input current, mA
–
8
15
Remote Port output voltage, V
–
5
20
Remote Port output current, mA
–
–
10
LASER SAFETY WARNING
This Light Source emits invisible light that may have a potential hazard associated with
CLASS 3R to 3B of IEC 60825-1. For further information regarding laser safety and
laser classification of the Light Source please contact SUPERLUM.
Warranty
Superlum products are guaranteed for a period of one year from date of delivery, against any faults caused
by manufacturing errors or proven intrinsic material faults as long as the products have NOT been
transformed, incorrectly installed, wrongly used or repaired by the buyer/user. Superlum will conduct analysis
of the failures and undertake to repair or replace any product failing under the above-mentioned conditions.
Notification of any Claim under this warranty must be submitted in writing within 1 week from discovery to
Superlum giving specific details of the fault. The product must be returned to Superlum not later than the
expiry date of the warranty. Shipping costs incurred, are not covered by this warranty. Failure Root Cause
analysis is carried out free-of-charge after warranty expiry date.
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Table of contents
1 Light Source Description..................................................................................................................................4
1.1 General Description ..................................................................................................................................4
1.2 Optical Performance .................................................................................................................................4
1.3 Package Contents.....................................................................................................................................5
1.4 Outlines and Dimensions..........................................................................................................................6
1.5 Control LEDs.............................................................................................................................................7
1.6 Remote Control Features..........................................................................................................................7
2 Technical Specification....................................................................................................................................8
2.1 Electrical Connections...............................................................................................................................8
2.2 General Specification..............................................................................................................................10
2.3 Fiber and Optical Connection Specification............................................................................................10
2.4 Other Electro-Optical Characteristics......................................................................................................10
3 General Information.......................................................................................................................................11
3.1 Mounting..................................................................................................................................................11
3.2 Safety Considerations.................................................................................................................................11
4 Installation and Using the Light Source .........................................................................................................12
4.1 Getting Started........................................................................................................................................12
4.2 Establishing Computer Communication..................................................................................................14
4.3 Computer Control of Light Source with SUPERLUM’s Companion Software.........................................15
4.4 Controlling the Light Source via Remote port .........................................................................................17
APPENDIX A ....................................................................................................................................................18
APPENDIX B ....................................................................................................................................................19
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1 Light Source Description
1.1 General Description
The OEM-MOPA (Master Oscillator Power Amplifier) SLD broadband light source combines an extremely
high output power with a wide optical spectrum. This is achieved by amplifying the Master SLD source’s
emission with a spectrally-matched optical power booster.
The OEM MOPA-SLD light source features compact outline dimensions 110x31x190 mm (WxHxD) and
capability of operation in a voltage range of 9-15 VDC (1.5 A max.). The device supports pulse modulation
(ON/OFF switching) at a frequency rate up to 5 kHz. The electrical pulses are to be supplied externally from
an external pulse generator.
Due to the renewed internal electronics, the OEM-MOPA light source provides three types of the optical
power control:
•manually, by pressing the top-cover pushbutton
•remotely, by applying logic signals to the back-side Remote control port
•remotely, from a PC (or laptop) via the side-back USB virtual serial port
All OEM-MOPA light sources are supplied with the USB- and Remote-port interfaces as standard options.
Please note that the OEM-MOPA light source is intended for integration into the end-user’s equipment and is
to be considered as an optical component. For this reason, the device is NOT equipped with all required
protective measures for safety operation. Before running the instrument, please check Safety Considerations
section in this document.
Please note that the OEM-MOPA light source has unique optical characteristics. Their sensitivity to optical
feedback is NOT completely studied yet. For that reason, we strongly recommend NOT exceeding the back
reflection level of 10-3. If it is not possible to fulfill, you MUST install a fiber-optic isolator at the device’s
output.
1.2 Optical Performance
Standard models of the OEM MOPA-SLD light sources are listed in the table below. Customization of the
OEM-MOPA SLD characteristics is available upon request –please contact [email protected].
The optical design is based on PM fiber. The optical output can be a 500mm-long FC/APC terminated fiber
pigtail in a 3mm reinforced tube, or an FC/APC mating sleeve for external connection of FC/APC patch
cables.
Parameter
MOPA-
SLD_OEM-850-
P70W15
MOPA-SLD-
OEM-840-
P50W40
MOPA-SLD-
OEM-1075-
P50W15
MOPA-SLD-
OEM-
1064P20W1.5
Output power (PMF), mW
70
50
50
20
3 dB spectral width, nm
15
40
15
1.5
Center wavelength, nm
850
840
1075
1064
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1.3 Package Contents
The OEM-MOPA light source is coming with the following accessories as standard ones:
- 1 x connector for the DC Power input port
- 1 x connector for the remote input port
- 1 x flat cable (0.5 meters length)
- 1 x USB cable
- 1 x optical patch cable
- 1 x USB card containing Superlum Companion Software and a copy of this Manual
- 1 x Acceptance test report (ATR)
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1.5 Control LEDs
The OEM-MOPA light source is equipped with three LEDs on the front side. They are intended for visual
indication of the device current status. Refer to Table 1 for the most comprehensive explanation of the LEDs’
status. Table 1. Statuses of control LEDs
LED Name
LED State
System status
“OUTPUT” *
No light
The optical output is off.
Flickering green
The optical output is starting (soft start).
Green
The optical output is on.
Yellow
SLD current limit reached –SLD degradation; time to service.
“STATUS”
No light
No power. No active SLDs.
Flickering green
Temperature stabilization is in process.
Green
SLD temperature is stabilized at the pre-set level on all channels. The
optical output can be switched on. No errors detected.
Flickering red
The optical output and all controls are disabled once the interlock has
been actuated (correspondent terminals on the REMOTE port are
open circuited).
Interlock is only operable, if the correspondent option is computer
activated (“Configuration” area in the SUPERLUM’s companion
software –see Sec. 4.3 below).
Red
Common Error. Failure of the temperature controller.
“MODE”
No light
The unit is in manual operation. Remote control option is not activated
Green
The unit is in REMOTE port operation (manual operation is disabled)
Yellow
The unit is in computer remote operation (manual operation is
disabled). USB mode.
Flickering yellow
The unit is in computer remote operation (manual operation is
disabled). USB SERVICE mode.
* –LED reflects the status of the combined optical output, i.e. all “active” SLD channels together (that user pre-selected in the companion software, or all
channels as factorypreset). Failure of, at least, one of the channels will result in the failure status of the combined optical output.
1.6 Remote Control Features
Refer to the companion software for remote control of the OEM-MOPA light source from a PC (or laptop)
using a USB connection. The device is fitted with a USB virtual serial port located on the back side of the
device.
Short summary of the most relevant remote-control features (also those available with SUPERLUM’s
companion software) are given in Table 2. See Sec. 4.2-4.4 of this document for more information on this
subject. Table 2. Remote control features
USB (virtual COM port)
REMOTE port
- ON/OFF control of the optical output;
- Pre-selection of certain SLD-channels for ON/OFF
controlling;
- Monitoring of relevant driving parameters of SLD-
channels;
- Self-test option –remote diagnostics feature;
- Enabling/disabling the option of analog remote
controlling via the REMOTE port (does not apply to the
interlock control). Activation of this option disables a
manual ON/OFF control of the optical output from the
front device panel;
- Controlling of optical performance.
The REMOTE port is operable only if the
correspondent option has been computer activated.
- ON/OFF control of the optical output by analog
remote signals;
- Monitoring of device statuses (e.g. on/off statuses of
the optical output, service status);
- Remote interlock control: interlock is actuated when
correspondent terminals on the REMOTE port are
open circuited.
- Interlock is only operable, if the correspondent
option is activated in the computer control software.
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2 Technical Specification
2.1 Electrical Connections
Diagrams of electrical connections of the Light Source are shown in Fig. 2 below. Electrical Inputs/Outputs
are described in Table 3 below.
There are three separate connectors (ports): first –for 12V DC power supply, second –for REMOTE control
(external switching of SLDs on and off by analog signal triggering, and remote interlock control) and third –
for USB interfacing.
1K
1K
+5V
1K
1K
+5V
+5V
200
470
470
470
470
SERVICE STATUS
LOGIC GND
LOGIC GND
OUTPUT ON/OFF (P)
INTERLOCK
MODULATION
RESERVED
"REMOTE"
LOGIC GND
OUTPUT STATUS
OUTPUT ON/OFF (N)
READINESS STATUS
RESERVED
MODULATION GND
+5V AUXILIARY
6
7
8
9
10
11
12
13
14
5
4
3
1
2
Figure 2.The electrical circuit of REMOTE port
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Table 3. Description of Light Source control inputs/outputs
Pin
number
Name
IN/OUT
Description/structure
POWER port:
2,4
+12 V INPUT
IN
Input DC supply
1,3
GND
IN
DC supply GND
NOTE –GND terminals and the case of the Light Source are not connected inside.
REMOTE port:
1, 2
RESERVED
Reserved for additional TTL-level UART interface
3
EXTERNAL MODULATION
GND
External modulation signal common wire
4
EXTERNAL MODULATION
IN
External modulation signal
5
INTERNAL +5V (200Ohm)
OUT
6
INTERLOCK CONTROL
IN
Interlock is actuated when the control terminals are open
circuited –optical output and controls are disabled in this case.
10mA (max) current.
To de-actuate the earlier actuated interlock, device power
resetting is required.
Interlock is operable, only if the correspondent option is
activated in remote control software (“Configuration” area in
SUPERLUM’s companion software –see Sec. 4.3 below).
7
OUTPUT ON/OFF (N)
IN
Allows switching the optical output. Connect this pin to any
LOGIC GND pin to switching optical output ON.
8
OUTPUT ON/OFF (P)
IN
Allows switching the optical output. Apply +5VDC voltage from
external power supply between this pin and any LOGIC GND
pin to switching optical output ON
9
OUTPUT STATUS
OUT
Open collector. Goes to low impedance state in case of the
optical output is ON. Recommended to load externally by
ballast resistor of >=10kΩ
11
READINESS STATUS
OUT
Open collector. Goes to low impedance state in case of the
optical output is ON. Recommended to load externally by
ballast resistor of >=10kΩ
13
SERVICE STATUS
OUT
Open collector. Goes to low impedance state in case of service
is required. Recommended to load externally by ballast resistor
of >=10kΩ
10, 12, 14
LOGIC GND
Logic common wire
NOTE –To enable the controls of the REMOTE port, prior activation is required via USB / Ethernet interface (with use
of SUPERLUM’s companion software). The interlock is the only control option, computer activated separately from
other controls of the REMOTE port.
Activation of REMOTE controls (except the interlock control) disables a manual ON/OFF control of the optical output
from the front device panel.
Controlling via REMOTE port (except the interlock control) is possible only if the Light Source is not computer
controlled in parallel.
Refer to Sec. 4.4 below for more details about controlling via REMOTE port.
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2.2 General Specification Table 4
Parameter
Condition
Min
Typ
Max
Unit
Storage temperature
−20
–
+50
°C
Operating temperature
+15
–
+40(1)
°C
Humidity, non-condensing
–
–
90
% RH
Weight
With no shipping package
–
1000
–
gram
DC supply voltage
10.0
12.0
13.0
V
DC supply current (2)
–
–
1.5
A
DC supply ripples
1 kHz…200 kHz frequency range
–
–
60
mVpp
(1) Refer to Sec. 3.1 for more details.
(2) The power supply requirements indicated in Table 4 above are critical for the correct operation of the light source and must be
strictly complied with. The power supply should ideally be capable of supplying up to 2A current, however a less powerful unit may
be used but it will limit the operating temperature range. A power supply with a maximum current of less than 1.5A cannot be used.
NOTE: For compliance with the EMC standard EN61000-4-5 it is recommended that the 12V power cable be less than 3m. When
installing the Light Source into an application where the 12 V DC power cable is over 3m Superlum advise that a ferrite of the type
"Würth 742 701-5 with 6 loops" or similar, is placed on the cable.
2.3 Fiber and Optical Connection Specification Table 5
Type
Comments
Fiber type
PM
PANDA PM850 fiber for 750-1000nm spectral range
Connector type
FC/APC
Depending on the ordered device configuration, the optical output is a
FC/APC terminated fiber pigtail in a 3mm reinforced tube, or a FC/APC
mating sleeve for external connection of FC/APC patch cables
2.4 Other Electro-Optical Characteristics Table 6
Parameter
Condition
Min
Typ
Max
Unit
Temperature dependent optical drift in
the specified operating temperature
range
Optically not isolated Light
Source
–
TBD
TBD
ppm/°C
Relative Intensity Noise (RIN)
10 kHz…2 MHz
–
−135
−125
dB/Hz
Long-term optical power stability
8 h after 60 min warming up
–
TBD
TBD
ppm
“Ready-to-work” time
From the moment of DC
power application
–
–
10
s
Cold start settling time (system warm-up)
20(1)
30
90(2)
min
Rise time of optical signal
50
100
200
ms
Fall time of optical signal
1
–
3
µs
(1) at +25 °C;
(2) at high and low extremes of the operating temperature range.
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3 General Information
3.1 Mounting
Temperature control is an important factor when considering where and how you will integrate this lightsouce
to your application. Ideally in order to ensure effective heat dissipation the Light Source should be mounted to
an appropriate heatsink in any spatial orientation with 25mm of free space around the sides and cover to
allow air circulation. The Lightsource should be anchored to a flat plate heatsink large enough to
accommodate the entire footprint of the lightsource base, (see section 1.4 above; Figure 1. Drawing of Light
Source) using the Four (4) anchoring holes. Mounting and using without a heatsink is possible, but this
approach will reduce the operating temperature range. Forced air circulation system around the enclosure is
in this case strongly recommended.
3.2 Safety Considerations
Superlum OEM light source modules are sold as components and therefore are not required to conform to
European or U.S. safety regulations, as well as regulations in force in any other country/destination. It is the
responsibility of the buyer/user to design and certify any equipment incorporating any OEM source of
Superlum to meet all local safety regulations prior to sale to the public. The texts of these regulations are
available from the respective governing bodies of the countries the equipment is to be sold into.
All Superlum OEM light source modules except the models with emission wavelength below 690 nm emit
invisible radiation. They have a potential laser safety hazard classified as CLASS 3R or 3B under IEC 60825-
1:2014. Superlum OEM light source modules may not have ALL the required laser safety features in terms of
IEC 60825-1 like remote interlock, key operated master control, warning signals and labels. Superlum OEM
light source modules are designed for the integration into other equipment. It is the responsibility of the
Buyer/User to design and certify any equipment incorporating any OEM source of Superlum to meet all local
safety regulations and applicable standards.
The Light Source is designed for integration into an OEM application and as such, is outside the scope of
laser safety standards. The Light Source is not supplied with laser safety devices e.g. - key operated master
control. However, these features can be implemented at the OEM application level by using the REMOTE
port or USB interface.
Please contact Superlum for more details about laser safety and other safety issues of each particular light
source module P/N.
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4 Installation and Using the Light Source
4.1 Getting Started
It is recommended that the following procedures are completed prior to using the lightsource for the first time.
4.1.1 Fix the Light Source onto an appropriate heat sink firmly (refer also to Sec. 3.1 of the document for
more details).
4.1.2 Apply 12 V DC power. Ensure that the DC power supply unit in use fulfills the requirements of the
“Absolute Maximum Ratings” (Table 4) above, including the ripple requirement. Do not make other
connections at this stage (USB, etc.).
The “STATUS”LED on the device panel will flicker for a short time on startup (for approximately 15 sec), and
will light constant green when startup period is complete.
4.1.3 Push the “ENABLE” button on the front panel to switch the optical output on –the “OUTPUT”LED will
then light green (a short delay is acceptable due to the soft start of the optical output). All SLDs installed will
be powered on.
Measure output power with a dedicated power-meter, and compare the result with the power value specified
in the individual Acceptance Test Report sheet provided (ATR). Make sure that output power you obtain is
comparable to that on the datasheet i.e. within ±10%.
4.1.4 Connect the light source to a spectrum analyzer. Compare the spectrum with that depicted in ATR.
There should be no perceptible differences between the two spectrums. Polarization insensitive spectrum
analyzers (OSAs), e.g. ANDO AQ6317B / Yokogawa AQ6370 OSAs are recommended for this task.
Polarization sensitive OSAs, or OSAs with MM fiber optical inputs may disturb the measurement results, i.e.
introduce misbalances, distortions and artifacts to measured spectral shapes.
4.1.5 If no abnormality was found on the preceding stages the lightsource is now ready for use also when the
Light Source has been run successfully for the first time it can now be controlled via the USB port, or analog
signals via the remote port (see Fig. 1, 2, and Sec. 4.4). To prolong the device lifetime, it is recommended to
switch off the optical output when the lightsource is not in use.
WARNING
Optical output in fibre-coupled light sources is achieved by the use of an FC /APC mating sleeve and FC/APC
connectors (optical output port). FC/APC connectors are sensitive to even the slightest contamination. Failure
to comply with the following operating requirements may result in contamination entering the optical output
port severely reducing the performance of the unit and may result in permanent damage to the optical output
port. Any such occurrence is the responsibility of the user and is NOT covered by the warranty.
DO NOT: Insert any FC/APC connector into the optical output port without first ensuring it is clean. It is vital
that you clean the fiber ferrule before each insertion. No known cleaning methods are 100% effective
therefore it is imperative that inspection is included as part of the cleaning process.
Cleaning FC/APC connectors: using a lint free cloth and isopropyl alcohol (Min 99%) and clean
compressed air to dry off the connector is recommended.
Cleaning the optical output port: Using an Improper cleaning method may result in permanent damage to
the optical output port. ONLY users who have the knowledge, training and equipment should attempt cleaning
the optical output port. For further information please contact Superlum.
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DO NOT remove the optical dust cap until a clean FC/APC connector is immediately ready to insert into the
unprotected optical output port.
IMPORTANT!
If discrepancies are found when comparing the observed optical output or spectrum to the ATR please contact
SUPERLUM before further using the Light Source. Using the lightsource without identifying the cause of the
observed discrepancies may result in a reduction of the expected lifetime of the device.
The user should regularly compare actual device performances to those originally specified in ATR
while using the Light Source.
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4.2 Establishing Computer Communication
Manual control of the Light Source from the front device panel becomes disabled once the Light
Source has established computer communication
4.2.1 Minimum System Requirements for SUPERLUM’s Companion Software for remote
control of the Light Source:
Operating system: Windows 95, 95 OSR2, 98 or 98 SE, Windows ME, Windows NT Workstation
4.0 Service Pack 3, Windows 2000 Professional, Windows XP, Windows Vista, Windows 7.
Memory: 32 megabytes (MB) for Windows 9x and ME, 64 MB for Windows NT, 128 MB for
Windows 2000 and XP, 1 gigabyte (GB) (32-bit) or 2 GB (64-bit) for Windows Vista and Windows 7.
Processor: 100-megahertz (MHz) or faster processor for Windows 9x and ME, 300-MHz or faster
processor for Windows 2000 and XP, 1-gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64)
processor for Windows Vista and Windows 7.
Hard disk space: 5 MB of free hard disk space (not including disc space required for associated
USB drivers –see below).
4.2.2 Communication Interface
This Light Source incorporates an embedded Serial-to-USB converter that allows internal serial interface
commands to be transmitted over USB. The converter comes with device drivers that create a virtual COM
port on the computer to communicate with the Light Source.
The virtual COM port (VCP) drivers for the Serial-to-USB converter can be found on the FTDI web site:
http://www.ftdichip.com/Drivers/VCP.htm
Refer to APPENDIX A at the end of this document for more details about establishing computer
communication.
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4.3 Computer Control of Light Source with SUPERLUM’s Companion
Software
Software allows basic remote computer controlling of the Light Source via USB port.
You can create your own control software using the provided command protocol (see APPENDIX B at the
end of the document). However, it is recommended that in the first instance to use SUPERLUM’s Companion
Software.
4.3.1 Using the USB cable supplied connect the Light Source to the computer.
4.3.2 Using the CD supplied install the software.
4.3.3 Switch on the Light Source.
4.3.4Brief description of software operation
Run the software. When starting the software for the first time, the following window for selecting of COM port
# will appear.
If the drop-down list for setting COM port number is not available, or if this list does not contain the COM port
number the Light Source is connected to, it may indicate that there is either no DC power applied to the Light
Source, or the Light Source is not connected to the computer.
Select COM port # to which the Light Source is connected. The next window will then appear, as shown
below. You can change COM port # when required by clicking on the “Connection” display button.
The selected COM port # will be stored. All future times of connecting the Light Source to the same computer
and to the same computer communication port, the initial “Settings” window will no more appear at starting
the software.
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Once the “USB MODE”button has been clicked on the software display, the Light Source turns to remote
operation, and the following window appears (indicator turns from blank to green). Manual control of the
Light Source from the front device panel becomes disabled once the Light Source has established computer
communication.
“Enable / Disable” display indicator in the “OPTICAL OUTPUT”area - show actual status of the optical
output. Optical output can be toggled on and off with the “Enable / Disable”display button.
“Self Test” option is used for internal self-testing of the Light Source. It is initiated by clicking on the “Self
Test” display button. This procedure may take a few minutes after being initiated. Upon completion, the
program will automatically generate a test file, which should be e-mailed to SUPERLUM for further
processing and verification of actual device statuses. You can add your comments before saving and e-
mailing the generated self-test file.
The “SETTINGS”area of the software display allows the following control features:
- Activate / deactivate the remote interlock. The interlock is activated –the optical output and all
controls become disabled, and the correspondent indicators (“Remote” LED indicator on the device
panel, and “REMOTE INTERLOCK” software display indicator) lit red –when the correspondent
control terminals on the REMOTE port are open circuited (see Sec. 2.1 for more details).
- Activate /deactivate analog controls of the REMOTE port (does not apply to the remote interlock
control, which is computer activated separately). Manual control of the Light Source remains disabled
when analog controls of the REMOTE port are activated.
- Activate / deactivate the external modulation input.
Any changes to the “SETTINGS”area are possible only when the optical output is switched off. Changes are
applied immediately once correspondent boxes are ticked in the “SETTINGS”area.
To save changes introduced to the “SETTINGS”area, the “Save” display button in the “SETTINGS”area
must be clicked. In this case the introduced changes are stored even after device power re-setting.
Otherwise, the changes introduced are in place only during the current work session.
OEM MOPA Light Sources. User Manual.
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SUPERLUM Diodes Ltd., Ireland www.superlumdiodes.com
4.4 Controlling the Light Source via Remote port
This section concerns to all control options available with the REMOTE port, except the interlock control. The
latter is activated and controlled separately from other controls of the REMOTE port.
4.4.1 Connect the Light Source to a computer via USB.
4.4.2 Power on the Light Source.
4.4.3 Run companion software. Establish communication with the Light Source.
4.4.4 Check the “REMOTE CONTROL”box in the “SETTINGS”area of the software display, and click
“Save” display button to apply changes. It activates the option of controlling via the REMOTE port.
Analog control via the REMOTE port will be user-available once the computer session has been interrupted
(click “USB MODE”display button to toggle computer control on and off).
Manual control of the Light Source from the front device panel becomes disabled when the “REMOTE
CONTROL”box has been checked on the software display.
4.4.5 Control the Light Source by applying control signals to the terminals of the REMOTE port. Possible
example is shown on Figure 3. More details about electrical connections to the REMOTE port can be found in
Sec. 2.1 of the document.
1K
+5V
1K
1K
RESERVED
REMOTE
RESERVED
HL3 SERVICE
HL1 OUTPUT ON
SERVICE STATUS
READINESS STATUS
OUTPUT STATUS
OUTPUT ON/OFF (N)
EXTERNAL MODULATION
SW2 ON/OFF
HL2 READY
XW1 MODULATION IN (0-5Vpp)
LOGIC GND
LOGIC GND
LOGIC GND
OUTPUT ON/OFF (P)
INTERLOCK CONTROL
INTERNAL +5V (200 ohm)
EXTERNAL MODULATION GND
SW3 ON/OFF
SW1 INTERLOCK
13
11
10
8
6
4
2
14
12
9
7
5
3
1
Figure. 3 Example of basic controlling of the Light Source via REMOTE port
4.4.6 Uncheck the “REMOTE CONTROL”box of the “SETTINGS”area of the software display to disable
the REMOTE port, and to return to manual controlling of the Light Source.
OEM MOPA Light Sources. User Manual.
Document ID: SL.3328.01.000RE / Rev. 1.0, Date: 25/09/2020 Page 18 of 23
SUPERLUM Diodes Ltd., Ireland www.superlumdiodes.com
APPENDIX A
Downloading and Installing Procedures to Establish
Computer Communication and Control
Connecting to Light Source via USB
When the Light Source is connected via USB for first time, the OS driver installer will automatically run the
process of device initialization (assigning COM port). It may take few minutes until the process will be
completed. Corresponding icon of the installer must appear in the system tray.
Upon completion of the process COM port number will be automatically assigned to the device. Port number
can be checked by clicking on the installer icon on the system tray.
If the automatic initialization process failed on the computer in use, please refer to a manual installing of
drivers as recommended by FTDI, the manufacturer of the embedded Serial-to-USB converter
(http://www.ftdichip.com/Drivers/VCP.htm).
OEM MOPA Light Sources. User Manual.
Document ID: SL.3328.01.000RE / Rev. 1.0, Date: 25/09/2020 Page 19 of 23
SUPERLUM Diodes Ltd., Ireland www.superlumdiodes.com
APPENDIX B
USB Command Protocol
UART configuration:
Baud Rate = 57600;
Start Bits = 1;
Stop Bits = 1;
Parity = None;
Flow Control = None.
1 SYSTEM COMMANDS
1.1 Read Light Source type, firmware version and serial number
Request: [I] [CR] [LF]
Acknowledge: [I] [:] [TYPE] [:] [VH] [VL] [:] [SN] [CR] [LF]
Error message: [!] [E] [CR] –common error message.
[CR] [LF] –line termination sequence ([CR] –ASCII13, [LF] –ASCII10)
[TYPE] –Light Source type, five ASCII printable chars:
“MOPA” –two channels Light Source;
[VH] –Major part of firmware version [0…9], one ASCII chars;
[VL] –Minor part of firmware version [0…9], one ASCII chars;
[SN] –Serial number, six ASCII printable chars.
1.2 Set Light Source operation mode. Read current mode.
Request: [M] [CMD] [CR] [LF]
Acknowledge: [M] [MODE] [CR] [LF]
Error message: [!] [E] [CR] [LF] –common error message.
[CMD]
DESCRIPTION
[?]
Read current mode
[L]
Set LOCAL mode
[U]
Set USB CTRL mode
[C]
Set USB CTRL mode
[MODE]
DESCRIPTION
[L]
Device operated in LOCAL mode
[U]
Device operated in USB CTRL mode
[E]
FATAL ERROR mode
OEM MOPA Light Sources. User Manual.
Document ID: SL.3328.01.000RE / Rev. 1.0, Date: 25/09/2020 Page 20 of 23
SUPERLUM Diodes Ltd., Ireland www.superlumdiodes.com
2 USB CTRL MODE COMMANDS [U]
2.1 Switch SLD ON/OFF. Read Channel status data
Request: [U] [C] [CH] [CR] [LF]
Acknowledge: [U] [C] [IL] [ST1] [ST2] [CR]
Error message: [!] [E] [CR] [LF] –common error message;
[!] [M] [CR] [LF] –wrong mode set message.
[CH]
DESCRIPTION
[?]
Read CH status data
[9]
Switch all SLDs ON/OFF
[IL] –Remote interlock data [0] or [1]:
[0] –output disabled;
[1] –output enabled.
[ST1] …[ST2] –Channel [1…2] status, [00…FF], two ASCII chars in hexadecimal code. See table below
for signal identification.
SIGNAL
BIT
DESCRIPTION
OME
0
‘1’ – Optical module enabled
‘0’ – Optical module disabled
TON
1
‘1’ – TEC ON; ‘0’ – TEC OFF
TGD
2
‘1’ – Optical module temperature stabilized
‘0’ – Optical module temperature not stabilized
TER
3
‘1’ – TEC (Thermistor) error
SMD
4
‘1’ – SLD operated in ACC mode
‘0’ – SLD operated in APC mode
SON
5
‘1’ – SLD ON; ‘0’ – SLD OFF
SLM
6
‘1’ – SLD current limit reached
SER
7
‘1’ – SLD error
2.2 Switch control
Request: [U] [S] [CMD] [CR] [LF]
Acknowledge: [U] [S] [SWDATA] [CR] [LF]
Error message: [!] [E] [CR] [LF] –common error message;
[!] [M] [CR] [LF] –wrong mode set message.
[CMD]
DESCRIPTION
[?]
Read current Switch Data
[1]
Switch Channel #1 (CH1)
[2]
Switch Channel #2 (CH2)
[5]
Enabling / Disabling Interlock
[6]
Enabling / Disabling REMOTE port
[7]
Enabling / Disabling External Modulation
[S]
Store current Switch Data to EEPROM
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