WEST AMP # 33026-5 DRIVER BOARD QUESTIONS
- dougharris
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24 May 2013 05:07 #34613
by dougharris
WEST AMP # 33026-5 DRIVER BOARD QUESTIONS was created by dougharris
Does anyone know if the WEST AMP # 33026-5 Driver Boards are Analog or PWM ? And do you have a PIN-OUT Diagram ?
Any Help is most welcome !!
Any Help is most welcome !!
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24 May 2013 07:27 - 24 May 2013 09:14 #34619
by PCW
Replied by PCW on topic WEST AMP # 33026-5 DRIVER BOARD QUESTIONS
These people seem to have manuals for most West-Amp drives:
ormec.com/Support/SupportLibrary/LegacyDocuments.aspx
the 33026 looks very much like the A721 but I did not look through all of them
Looks like a standard analog velocity mode servo
EDIT: the A721X series of multi-axis drives use 1 to 6 of the 33026 drive cards (one per axis).
They are standard +-10V analog velocity mode drives
ormec.com/Support/SupportLibrary/LegacyDocuments.aspx
the 33026 looks very much like the A721 but I did not look through all of them
Looks like a standard analog velocity mode servo
EDIT: the A721X series of multi-axis drives use 1 to 6 of the 33026 drive cards (one per axis).
They are standard +-10V analog velocity mode drives
Last edit: 24 May 2013 09:14 by PCW.
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24 May 2013 08:52 #34625
by jmelson
The power stage is PWM, the circuitry on the board compares commanded
velocity with the tachometer reading, and that generates a torque command.
Another circuit compares motor current to the torque command and sets
the PWM accordingly. This is typical of nearly all servo amps of that
period.
Jon
Replied by jmelson on topic WEST AMP # 33026-5 DRIVER BOARD QUESTIONS
The velocity command input to the amps is almost certainly analog.Does anyone know if the WEST AMP # 33026-5 Driver Boards are Analog or PWM ? And do you have a PIN-OUT Diagram ?
Any Help is most welcome !!
The power stage is PWM, the circuitry on the board compares commanded
velocity with the tachometer reading, and that generates a torque command.
Another circuit compares motor current to the torque command and sets
the PWM accordingly. This is typical of nearly all servo amps of that
period.
Jon
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- dougharris
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24 May 2013 20:48 #34641
by dougharris
Replied by dougharris on topic WEST AMP # 33026-5 DRIVER BOARD QUESTIONS
Thanks, Very Much, the Diagram of the A721 looks the same ? I will check & compare the 2. Talked with someone @ Thermwood and he confirmed the the Signal is Analog not PWM !
We are trying to decide if we should change out the West Amp boards for New Mesa Boards ?
Any thoughts ?
We are trying to decide if we should change out the West Amp boards for New Mesa Boards ?
Any thoughts ?
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24 May 2013 20:52 #34642
by cncbasher
Replied by cncbasher on topic WEST AMP # 33026-5 DRIVER BOARD QUESTIONS
if the amps are working , then leave them alone .
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