How to use lock in amplifier start up kit?

Hi,
I am now given a project which is Frustrated Total Internal Reflection (FTIR). Basically there is a lot of way to extract the information signal from IR sensor like DC approach, AC approach, transimpedance amplifier. I found that Lock In Amplifier is suitable for me to use in my project because the voltage across the IR receiver part will be small like mV and the noise will be high since the ambient light or sun light able to disturb the light wave emitted from IR emitter. Currently i download the NI lock in amplifier VI and i try to translate into DAQmx version. The VI can run but I am not sure that VI was translated correctly or not. Can just help me to check it out? Now I am using NI USB6366 to do the lock in amplifier as well. Here are some questions that i want to ask:
1. From the NI lock-in amplifier start up kit user manual, for the configuration section on PAGE 13/20, I found that the first channel in the channel list should be used for the signal and the second channel in the list should be used as the reference input. I am confusing with this because i just able to create a channel for acquisition puspose and the channel is used to wire the input of DAQmx start.vi. May I know another channel where should i put?
2. If USB 6366 able to use with lock in amplifier VI, how to acquire the signal from the IR receiver? I wire the A0+ to anode of IR emitter and A0- to cathode of IR receiver, is it correct? this wiring is used for the signal or the reference input?
3. The generation of signal to IR emitter also can be done inside the lock in amplifier start up kit? As i saw the signal generator function inside there but I am not sure what the function is.
4. lock in amplifier able to amplify my IR receiver's signal? or I need to build up a new circuit to amplify my signal then just feed it to the lock in amplifier VI?
Thanks for all the reply. Really need help on this. thanks
Attached will be my modified VI for NI lock in amplifier start up kit.
Attachments:
lock in modern.llb ‏460 KB

Claudia,
thanks for the version mentioned.
I would like to change the lock-In to one with a reference signal
instaed of PLL, and a few other changes.
I tried to understand how your sample works , but as soon as I'm
reaching the VI's on a deeper level I'm running into code protection.
Why are these VIs not public?
Thanks
Urs
Claudia schrieb:
>Hello,
>
>Another person was also asking for a Lock-In Amplifier Start-Up kit
>that would not expire, and I published it in the following Discussion
>Forum:
>
>href="http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RPAGEID=135&HOID=506500000008000000...
>
>Hope this helps,
>
>Claudia Lorente
>Applications Engineer
>N
ational Instruments
>http://www.ni.com/ask
>
>

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11     1105     K1105
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11     1107     K1107
11     1108     K1108
11     1109     K1109
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11     1112     K1112
11     1113     K1113
11     1114     K1114
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12     1201     K1201
12     1202     K1202
12     1203     K1203
1     13     K13
13     1301     K1301
1301     130101     K130101
1301     130102     K130102
1301     130103     K130103
1301     130104     K130104
1301     130105     K130105
1301     130106     K130106
1301     130107     K130107
1301     130108     K130108
1301     130109     K130109
1301     130110     K130110
1301     130111     K130111
1301     130112     K130112
1301     130113     K130113
1301     130114     K130114
1301     130115     K130115
13     1302     K1302
1302     130201     K130201
1302     130202     K130202
1302     130203     K130203
1302     130204     K130204
1302     130205     K130205
13     1303     K1303
1303     130301     K130301
1303     130302     K130302
1303     130303     K130303
13     1304     K1304
1304     130401     K130401
1304     130402     K130402
1304     130403     K130403
1304     130404     K130404
1304     130405     K130405
1304     130406     K130406
1304     130407     K130407
1304     130408     K130408
13     1305     K1305
1305     130501     K130501
1305     130502     K130502
13     1306     K1306
1306     130601     K130601
13     1307     K1307
1307     130701     K130701
1307     130702     K130702
1307     130703     K130703
1307     130704     K130704
13     1308     K1308
1308     130801     K130801
1308     130802     K130802
1308     130803     K130803
1308     130804     K130804
1308     130805     K130805
1308     130806     K130806
1308     130807     K130807
1308     130808     K130808
1308     130809     K130809
1308     130810     K130810
1308     130811     K130811
1308     130812     K130812
1308     130813     K130813
13     1309     K1309
13     1310     K1310
13     1311     K1311
1311     131101     K131101
     2     K2
2     21     K21
21     2101     K2101
2101     210101     K210101
2101     210102     K210102
2101     210103     K210103
2101     210104     K210104
21     2102     K2102
2102     210201     K210201
2102     210202     K210202
2102     210203     K210203
2102     210204     K210204
21     2103     K2103
2103     210301     K210301
2103     210302     K210302
2103     210303     K210303
2103     210304     K210304
21     2104     K2104
2104     210401     K210401
2104     210402     K210402
2104     210403     K210403
2104     210404     K210404
2     22     K22
22     2201     K2201
2201     220101     K220101
2201     220102     K220102
2201     220103     K220103
2201     220104     K220104
2201     220105     K220105
22     2202     K2202
2202     220201     K220201
2202     220202     K220202
2202     220203     K220203
2202     220204     K220204
22     2203     K2203
2203     220301     K220301
2203     220302     K220302
2203     220303     K220303
2203     220304     K220304
22     2204     K2204
2204     220401     K220401
2204     220402     K220402
2204     220403     K220403
22     2205     K2205
2205     220501     K220501
2205     220502     K220502
220502     22050201     K22050201
220502     22050202     K22050202
220502     22050203     K22050203
220502     22050204     K22050204
22     2206     K2206
2206     220601     K220601
2206     220602     K220602
2206     220603     K220603
2206     220604     K220604
2     23     K23
23     2301     K2301
2301     230101     K230101
2301     230102     K230102
2301     230103     K230103
2301     230104     K230104
2301     230105     K230105
2301     230106     K230106
2301     230107     K230107
2301     230108     K230108
23     2302     K2302
2302     230201     K230201
2302     230202     K230202
2302     230203     K230203
2302     230204     K230204
23     2303     K2303
2303     230301     K230301
2303     230302     K230302
23     2304     K2304
2304     230401     K230401
2304     230402     K230402
2304     230403     K230403
23     2305     K2305
2305     230501     K230501
23     2306     K2306
2306     230601     K230601
2306     230602     K230602
2306     230603     K230603
2306     230604     K230604
23     2307     K2307
23     2308     K2308
2308     230801     K230801
2308     230802     K230802
2308     230803     K230803
23     2309     K2309
2309     230901     K230901
2309     230902     K230902
2309     230903     K230903
2309     230904     K230904
23     2310     K2310
2310     231001     K231001
2310     231002     K231002
2310     231003     K231003
23     2311     K2311
2311     231101     K231101
2311     231102     K231102
2311     231103     K231103
23     2312     K2312
2312     231201     K231201
2312     231202     K231202
2312     231203     K231203
2312     231204     K231204
23     2313     K2313
2313     231301     K231301
2313     231302     K231302
2313     231303     K231303
2313     231304     K231304
2313     231305     K231305
2313     231306     K231306
2313     231307     K231307
2313     231308     K231308
2313     231309     K231309
2313     231310     K231310
2313     231311     K231311
2313     231312     K231312
2313     231313     K231313
2313     231314     K231314
2313     231315     K231315
23     2314     K2314
2314     231401     K231401
2314     231402     K231402
2314     231403     K231403
2314     231404     K231404
2314     231405     K231405
2314     231406     K231406
2314     231407     K231407
23     2315     K2315
23     2316     K2316
2316     231601     K231601
2316     231602     K231602
23     2317     K2317
23     2318     K2318
23     2319     K2319
2319     231901     K231901
2319     231902     K231902
2319     231903     K231903
2319     231904     K231904
2319     231905     K231905
2319     231906     K231906
23     2320     K2320
2320     232001     K232001
     3     K3
3     31     K31
31     3101     K3101
31     3102     K3102
31     3103     K3103
31     3104     K3104
31     3105     K3105
3     32     K32
32     3201     K3201
32     3202     K3202
32     3203     K3203
32     3204     K3204
32     3205     K3205
32     3206     K3206
32     3207     K3207
     4     K4
4     41     K41
41     4101     K4101
4101     410101     K410101
4101     410102     K410102
4101     410103     K410103
4101     410104     K410104
4101     410105     K410105
4101     410106     K410106
4101     410107     K410107
4101     410108     K410108
4101     410109     K410109
4101     410110     K410110
4101     410111     K410111
4101     410112     K410112
4101     410113     K410113
4101     410114     K410114
4101     410115     K410115
4101     410116     K410116
4101     410117     K410117
4101     410118     K410118
4101     410119     K410119
4101     410120     K410120
4101     410121     K410121
4101     410122     K410122
4101     410123     K410123
4101     410124     K410124
4101     410125     K410125
4101     410126     K410126
4101     410127     K410127
4101     410128     K410128
4101     410129     K410129
4101     410130     K410130
4101     410131     K410131
4101     410132     K410132
41     4102     K4102
41     4103     K4103
41     4104     K4104
4104     410401     K410401
4104     410402     K410402
4104     410403     K410403
4104     410404     K410404
41     4105     K4105
41     4106     K4106
41     4107     K4107
41     4108     K4108
4108     410801     K410801
4108     410802     K410802
4108     410803     K410803
41     4109     K4109
4109     410901     K410901
4109     410902     K410902
4109     410903     K410903
41     4110     K4110
41     4111     K4111
4111     411101     K411101
4111     411102     K411102
4111     411103     K411103
41     4112     K4112
4112     411201     K411201
41     4113     K4113
4113     411301     K411301
41     4114     K4114
4114     411401     K411401
4114     411402     K411402
     5     K5
5     51     K51
51     5101     K5101
51     5102     K5102
51     5103     K5103
51     5104     K5104
51     5105     K5105
51     5106     K5106
51     5107     K5107
51     5108     K5108
51     5109     K5109
51     5110     K5110
51     5111     K5111
51     5112     K5112
51     5113     K5113
51     5114     K5114
     6     K6
6     61     K61
     7     K7
7     71     K71
7     72     K72
7     73     K73
7     74     K74
7     75     K75
7     76     K76
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CRBAL NUMBER
DRBAL NUMBER
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BALID NUMBER
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K1102     13182173
K1103     23784045
K1107     10001795
K1108     9083529
K1110     4224350
K1112     6696832
K1113     7963381
K1114     742766
K1201     1486082
K130104     1977616
K130106     736266
K130107     396673
K130108     42751
K130109     298362
K130110     187696
K130111     537
K130112     942
K130113     987
K130114     1272
K130115     40000
K130205     259941
K130303     177716
K130406     809719
K130408     1786091
K130701     301000
K130702     151200
K130703     7570
K130704     34400
K1308
K130801     5400
K130802     45000
K130803     10856
K130807     24300
K130808     16500
K130810     104500
K130811     60000
K130812     181000
K130813     1750000
K1309     1225565
K1310     2176259
K1311
K131101     788780
K410101          24926
K410102          9545
K410103          28500
K410104          8192
K410105          847
K410106          37100
K410107          2332
K410108          9844
K410109          7843
K410110          9313
K410111          1425
K410112          6089
K410113          15497
K410114          5790
K410115          4251
K410116          22293
K410117          855
K410118          6497
K410119          14996
K410120          124214
K410121          6713
K410122          1567
K410123          75821
K410124          5085
K410125          7125
K410126          4342
K410127          21485
K410128          641111
K410129          589
K410130          50
K410131          163900
K410132          3849
K4105          3946489
K4107          100000
K410801          972011
K410802          1707806
K410803          116450
K4110          13113874
K411101          98335
K411102          32454
K411103          53569
K411201          25327406
K411301          7143103
K411401          4500000
K411402          12754
K5102          2120031
K5103          13543810
K5107          4596103
K5108          5604493
K5110          2008401
K5112          2182778
K5113          4748537
K5114          556914
K61          43297680
Sir I use this query
select lpad(' ',2*(level-1)) || to_char(child),title,sum(drbal),sum(crbal),
from chartofacc, accbal
where chartofacc.accid=accbal.accid(+)
start with parent is null
connect by prior child = parent
group by rollup(substr(mas.accid,2,1),substr(mas.accid,3,1),substr(mas.accid,4,2),substr(mas.accid,6,2) ,chartofacc.accid,title,fstatus);
sir this query not give me result and give me error this
SQL> /
from chartofacc, accbal
ERROR at line 2:
ORA-00936: missing expression
Please give me idea how I get tree type subtotal tribalance
Thanking you
Aamir

Lock-In Amplifier and offline data processing

Hi everyone,
I've been successfully using the Lock-In Amplifier to do live data processing. The processed Lock-In outputs and the frequency values are then saved. Recently it has turned out that the real acquisition capabilities needed mean that online processing is not possibe. (As 4 channels are being simultaneously sampled each at 4Mhz and acquiring for several seconds.) I have built the Lock-In Amplifier into an offline processing VI where I strip out the arrays for Channel 0 (Signal) and Channel 1 (Reference) and send chunks of data to the Lock-In. I wanted to check that the Lock-In doesn't have any problems working offline? Are there any other things I need to know for offline processing?
Many thanks

Hi,
I've not personally had the change to use Lock In Amplifiers with our hardware yet, but from searching through the LabVIEW developer zone I came across this example VI, I hope it's some help to you: http://zone.ni.com/devzone/cda/epd/p/id/4532
All the best,
Applications Engineer

Please advise how I can register my Photoshop Starter Edition when I apply I do not receive an unlock code so I am unable to continue to use the program and all my photos are locked in, please advise, thanks John

Please advise how I can register my Photoshop Starter Edition when I apply I do not receive an unlock code so I am unable to continue to use the program and all my photos are locked in, please advise, thanks John

Please refer to the appropriate Forum, this one is dedicated to Photoshop proper.
Photoshop Album Starter Edition

What is the use for lock object and how to use the lock objects

Hi Guru's,
I am new to ABAP .Can you please clarify the that what is the use of lock object and how to use the loct object .what is use of the Deque & Enque function modules .

hi ,
below are some minfo about lock objects :
Lock Objects
These types of objects are used for locking the access to database records in table. This mechanism is used to enforce data integrity that is two users cannot update the same data at the same time. With lock objects you can lock table-field or whole table.
In a system where many users can access the same data, it becomes necessary to control the access to the data. In R/3 system this access control is built-in on database tables. Developers can also lock objects over table records.
To lock an object you need to call standard functions, which are automatically generated while defining the lock object in ABAP/4 dictionary. This locking system is independent of the locking mechanism used by the R/3 system. This mechanism also defines LUW i.e. Logical Unit of Work. Whenever an object is locked, either by in built locking mechanism or by function modules, it creates corresponding entry in global system table i.e. table is locked. The system automatically releases the lock at the end of transaction. The LUW starts when a lock entry is created in the system table and ends when the lock is released.
Creating Lock Objects
Lock object is an aggregated dictionary object and can be defined by using the following steps:
o From initial data dictionary screen, enter the name for the object, Click Lock object radiobutton and then click on Create. The system displays a dialog box for Maintain Lock Objects screen
o Enter short text as usual and the name for primary table.
-Save
-Select Tables option
From this screen you can:
Select secondary tables, if any, linked by foreign key relationship.
Fields for the lock objects. This option allows you to select fields for objects (R/3 system allows locking up to record level). Lock object argument are not selected by user but are imposed by the system and includes all the primary keys for the table.
1) Exclusive lock: The locked data can only be displayed or edited by a single user. A request for another exclusive lock or for a shared lock is rejected.
2) Shared lock: More than one user can access the locked data at the same time in display mode. A request for another shared lock is accepted, even if it comes from another user. An exclusive lock is rejected.
3) Exclusive but not cumulative: Exclusive locks can be requested several times from the same transaction and are processed successively. In contrast, exclusive but not cumulative locks can be called only once from the same transaction. All other lock requests are rejected.
Also, last but not the least, locking the object is logical (locking with any enqueue ) .so, you have to use the lock object while trying to access from second program .
reward if helpful ,
Regards,
Ranjita

How to use lock in amplifier start up kit?

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