USS protocol library

[Dennis1]

Hi Flo, i'm working with a micromaster 440 for my thesis.
Now i have to make it work with labview, i've tried several things but i don't get a connection.
Maybe also a part of the problem is i use a serial to USB convertor.
But in the measurement and automation explorer from labview it finds it under com 6.
do u have something like a vi i can use ?
And maybe some explaining with it ?

Thank u.
Dennis

[MartonLitkei]

Dear Dennis1,

Can you specify what type of serial converter are you using? I mean what type of serial communication?

Regards,

Marton

NI Hungary

[Dennis1]

It's with the normal RS232 cable, but i hafe a serial to USB converter in my PC, because we don't have a serial port on this pc (it's crazy but it's Greek 🙂 )

[MartonLitkei]

The usage of general USB - serial converters are usually transparent for the user, I guess our problem is not that 🙂 Are you able to communicate with the device using the original software?

Regards,

Marton

[Dennis1]

yes I was able to communicate with it using the original software,
but it seems very unstable, slow responding, and disconnecting all the time.

but now we moved on with another idea, just use analog outputs from labview to controll it.
It`s much more stable and faster.

[ceties]

New version of the library 

version 1.1 - 20.07.2009

-Resending algorithm implemented into each command. Added RepCount terminal setting the number of attempts to perform to send the telegram

-Minor changes

[ceties]

Version 1.2 - 12.11.2009
-Read commands resending implemented
-Minor changes

[Flo_Ostermaier]

hi folks,

sorry for the delay. here are the significant parameters for MM440

r0000    0 
P0003    1

P0004    0

P0010    0

P0310    50.00  

P0311    2815   

P0700    2   

P0970    0   

P1000    1   

P1080    0  

P1082    50

P1120    5   

P1121    5

P3900    0

i can add code by tomorrow, but i  would first have to comment it.

cheers

flo

[Flo_Ostermaier]

mm440 users,

here is the code. it is based on some previous version of ceties` framework with a few modifications. please check whether it does the trick for you.

good luck

flo

[michael87]

how conection you use RS232 or RS485?