[etherlab-users] Help: Problem of reading model signal via pdcom

[Richard Hacker]

Hello, 

have a look, all the signals you want are there. For example 
 /single_motor_pos/Add
is the output of you "Add" block just before the Saturation block!

- Richard

On Sunday 28 November 2010 06:26:10 JaysonDing wrote:
> Dear All
> I have problem of reading the encoder input signal via pdcom.
> I was able to run pdcom example code on my machine. The output are as
> following:
> (Note: I add few codes to print out all the obtained variables.). The
> Simulink model is also attached.
> 
> Connecting to 192.168.0.105:2345...
> Connected.
> <2> MSR Protocol handler recognises the protocol.
> <2> Waiting for <connected> tag.
> <2> Autodetected MSR Protocol.
> <2> <connected> tag arrived.
> clientInteraction()
> Username=meka
> Hostname=meka-mist
> Application=pdcom example
> <2> Logging in as "meka at meka-mist"
> <2> Requesting parameter list.
> <2> Message from process at 1290633249.891519: (0) Adminmode filp: 5
> <2> Found 10 parameters.
> <2> Requesting channel list.
> <2> Found 17 channels.
> <2> Protocol initialisation finished.
> /single_motor_pos/Data Type Conversion
> /single_motor_pos/Derivative
> /single_motor_pos/Gain
> /single_motor_pos/Gain1
> /single_motor_pos/Gain2
> /Taskinfo/Abtastfrequenz
> /single_motor_pos/Gain/Gain
> /single_motor_pos/Gain1/Gain
> /single_motor_pos/Gain2/Gain
> /single_motor_pos/Gear/Gain
> /single_motor_pos/Integrator/InitialCondition
> /single_motor_pos/Saturation/UpperLimit
> /single_motor_pos/Saturation/LowerLimit
> /single_motor_pos/Signal Generator/Amplitude
> /single_motor_pos/Signal Generator/Frequency
> /single_motor_pos/Gear
> /single_motor_pos/Integrator
> /single_motor_pos/Saturation
> /single_motor_pos/ENC_0
> /single_motor_pos/Signal Generator
> /single_motor_pos/Add
> /single_motor_pos/Sum
> /Time
> /Taskinfo/0/TaskTime
> /Taskinfo/0/ExecTime
> /Taskinfo/0/Period
> /Taskinfo/0/Overrun
> notify(): /single_motor_pos/Integrator 0
> notify():/single_motor_pos/Integrator 0
> Finished.
> 
> It seems like Pdcom could only recognize parameters such as
> constant/value or gain/gain in Simulink model but not signal.
> Can anyone tell me how to get access to the signals?  In the end, thanks
> for everyone of you effort. So I can make etherlab + pdcom run on my
> computer quickly. I also attached my system setting here FYI.
> linux: 2.6.32.11
> rtai:3.8.1
> etherlab: 1.3-pre
> matlab: 7.4.0.336
> realtime workshop: 6.6
> 
> Look forward to your answer!
> 
> Jayson
> 

-- 
------------------------------------------------------------------------

Richard Hacker                               Amtsgericht Essen HRB 11500  
Ingenieurgemeinschaft IgH                    USt-Id.-Nr.: DE 174 626 722 
Ges. für Ingenieurleistungen mbH             Geschäftsführung:           
Heinz-Baecker-Str. 34                        Dr.-Ing. S. Rotthäuser      
D-45356 Essen                                Dr.-Ing. T. Finke           
Tel.: +49 201 / 36014-16                     Dr.-Ing. W. Hagemeister     
Fax.: +49 201 / 36014-14                     Tel.: +49 201 / 360-14-0    
richard.hacker at igh-essen.com                 http://www.igh-essen.com    

------------------------------------------------------------------------