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Configuration

Sample Configuration for SpecMan

Typically, your EPR spectrometer will be delivered with a pre-configure version of SpecMan4EPR. Below, we provide a sample configuration. However, the exact values for certain parameters (e.g. COM port) may differ from system to system.

Device Configuration

To configure the different hardware component in SpecMan4EPR, open the Device Panel by clicking on the button labeled Configuration of devices (see button indicated by red box in figure below).

Once you click the button the Device Configuration window will open.

When you first open the Device Configuration window, you will be in Basic Access mode. In this mode, you can only view the parameters but you won’t be able to change any parameters or safe a new configuration. For this you need to access the Expert Mode. In the Basic Access mode, the safe and load buttons are greyed out.

To access the Expert Mode click Expert Access button to the top right of the window. You will be prompted with a password window. Simply acknowledge the password in the window by pressing the OK button. The Device Configuration window will change to Expert Mode (see figure below).

EPR Bridge

Bridge12 B12TXIF bridge controller and LabJackT7 (B12TXIF)
Driver version: 3.5

Interface 0: LabJack
Interface 1: Pixel controller

Name: BRIDGE

Key Value Comment
Band X-Band Frequency band of the EPR bridge.
CGain1 -27.142, 0.5714, 0, 0, 0, 0 Polynomial coefficients (6th order) to adjust video amplifier gain.
CGain2 -27.142, 0.5714,0 , 0, 0, 0 Polynomial coeficients (6th order) to adjust video amplifier gain.
COMOptions1 B115200M500 Baud rate and timeout for DAQ device. Here the baud rate is set to 115200 and the timeout is set to 500 ms. These are default parameters for the Bridge12 X-IF and should not be changed.
CRvrLOAttn -10, 0.667, 0, 0, 0, 0 Polynomial coeficients (6th order) to adjust RCVR LO amplifier gain.
CVCA -10, 4, 0, 0, 0, 0 Polynomial coeeficients (6th order) to adjust RCVR amplifier gain.
DeviceID CNIGM0114 ID of DAQ device. Typically this is the Bridge12 project number.
Multithreaded1 false true or (false) Allows using of GPIB in multiple threads. Bridge12 typically does not use any GPIB devices.
Options1 Leave blank
ReadTime1 0 ms none
Resource1 COM3 COM port of pixel controller. Use the Microsoft Device Manager (devmgr) to determine the correct port number.
TextReadProc1 _A,A_,LFCR Comma-separated: aA,Aa,_A,A_,LFCR
RextWriteProc1 LF none
WriteTime1 0 ms none

A sample configuration is shown below.

Microwave Source

Synth HD ver. 2.0 (SYNTHHD) Driver ver. 2.0

Name: SRC

Key Value Comment
COMOptions Leave blank
Multithreaded1 false true or (false) Allows using of GPIB in multiple threads. Bridge12 typically does not use any GPIB devices.
Options Leave blank
ReadTime 0 ms Do not change.
Reference R0F10 Reference for microwave synthesizer. R(0/1/2) for External, Internal 27MHz, or Internal 10 MHz Reference. When using an external reference the frequency (in MHz) must be given.
Resource COM4 COM port of synthesizer. Use the Microsoft Device Manager (dvmgr) to determine the correct port number.
SourceOutputPow 30 Do not change.
TextReadProc1 _A,A_,LFCR Comma-separated: aA,Aa,_A,A_,LFCR
TextWriteProc Leave blank
WriteTime1 0 ms none

A sample configuration is shown below.

Digitizer

The configuration of the digitizer depends on the model and make you are using. Please contact support@bridge12.com for more information.

Arbitrary Waveform Generator (AWG)

The configuration of the arbitrary waveform generator (AWG) depends on the model and make you are using. Please contact support@bridge12.com for more information.

SpecMan4EPR Options

Please use the default SpecMan4EPR parameters for Directories and files. To access this go to Configuration and Select Options and expand the Directories and files menu.

Parameter Value
Configuration directory C:\SpecMan4EPR\cfg
Template directory C:\SpecMan4EPR\tpl
Data root directory C:\SpecManDAta
Database root directory C:\SpecManData
AWG pattern directory C:\SpecMan\cfg\pattern
Directory with calibrations \clb
Data buffer directory C:\SpecManData\buffer
Data path format <data root>\YY\YYMMDD
Station name HOMEST
DLL paths empty