Experimental Physics and
Industrial Control System

"ronaldo.mercado--- via Tech-talk" <[email protected]> · Fri, 5 Apr 2019 07:54:58 +0000

Hi Marty,

Thank you for your reply.
Lots of info and many useful considerations.

Best wishes,
Ronaldo

> -----Original Message-----
> From: [email protected] <[email protected]> On
> Behalf Of Smith, Martin via Tech-talk
> Sent: 04 April 2019 17:32
> To: [email protected]
> Subject: Re: Query about control system choices for insertion devices
> 
> Hi Ronaldo,
> 
> At APS we currently have the following:
> Insertion Devices:
> ---------------------------------------------------------------------------
> (Stepper motors)
> 17 - 2-axis
> 31 - 4-axis
> 1 - 6-axis revolver
> 
> (Electromagnetic)
> 3 - Superconductng Undulators
> 1 - Circularly Polarized Undulator
> 1 - IEX device able to produce a variety of polarizations
> 
> For the motion devices:
> Our positioning resolution for all devices is encoder dependent. If we are running
> on rotary encoders we position to within 3 microns. With the linear encoders we
> position to within 1 micron. I think that the resolution of the linear encoder is
> about 0.1 microns and not sure about the rotary. This is only for gap translation
> motion.
> 
> We have 2 kinds of stepper drives different for 2-motor and 4-motor. All motors
> are 4-phase motors wired as 2-phase in parallel. All motor controllers are one of
> MAXv or OMS VME8.
> 
> 2-motor:
> -----------
> Superior Electric SS2000-D12 This drive is now obsolete.
> 208 VAC input power, 12-Amp output,
> 
> 4-motor:
> -----------
> Compumotor Parker S8-Drive or Zeta-8 depending how old the system is.
> 120 VAC input power, 8-Amp output
> 
> NOTE:
> All of these control systems are very old and as such it is likely that at least some
> of these systems will be upgraded. This is what I'm considering at this time
> (although not a real project yet).
> 
> First the big thing is the motion control, drive units, and number of axes required.
> What I'm thinking is to have some sort of limit switch logic and interlocks either in
> an FPGA, PLC, or built into the motor controller.
> 
> The drive units (for us) would likely need an enclosure and may or may not be
> integrated with the controller. I have been looking at the ACS Motion Control
> UDMmc drives (not the toy ones) the ones for large motors. These have
> controllers and drives all in one unit.
> 
> Marty Smith
> ANL/APS Controls Group
> 
> 
> 
> On 4/4/19 6:01 AM, ronaldo.mercado--- via Tech-talk wrote:
> > Dear tech-talk,
> >
> > My query is not  related to EPICS, but I hope to get advice from the
> > EPICS community.
> >
> > I work at Diamond Light Source (http://www.diamond.ac.uk) looking
> > after the control system of insertion devices.
> >
> > I am writing because we are reviewing the build of insertion devices.
> >
> > I would like to contact insertion device builders to enquire about the
> > choices of components used for the controls system.
> >
> > I started by contacting a list of insertion device groups from the
> > European LEAPS initiative (https://www.leaps-initiative.eu/).
> >
> > I had helpful replies from many. Thank you again.
> >
> > I would now like to also contact facilities using insertion devices in
> > the EPICS community.
> >
> > Please could you forward my query at the bottom of this message to a
> > relevant person at your institution?
> >
> > I would also be glad to get your comments and feedback.
> >
> > Many thanks,
> >
> > Ronaldo Mercado
> >
> > Diamond
> >
> > Query about control system choices for insertion devices.
> >
> > Dear Sir/Madam,
> >
> > Would you be able to comment or let me know your choices in motion
> > equipment in your installations?
> >
> > Resolution
> >
> > Motor type (stepper vs servo vs other)
> >
> > Motor controller (make, model, type)
> >
> > Amplifiers (make, model, type)
> >
> > For example at Diamond we have 24 moveable insertion devices.
> >
> > We use servo motors, Compax amplifiers (made by Parker) and depending
> > on the generation of our equipment OMS (prodex)
> >
> > or Delta Tau motor controllers.
> >
> > The resolution of our equipment is 0.1 micron for vertical translation
> > and 1.0 micron or 0.5 micron for phase
> >
> > translation (APPLE-II insertion devices).
> >
> > My intention is to look through this information to guide us for
> > upgrading/updating our systems.
> >
> > Thank you for your time and help.
> >
> > Yours faithfully,
> >
> > Ronaldo Mercado
> >
> > --
> >
> > This e-mail and any attachments may contain confidential, copyright
> > and or privileged material, and are for the use of the intended
> > addressee only. If you are not the intended addressee or an authorised
> > recipient of the addressee please notify us of receipt by returning
> > the e-mail and do not use, copy, retain, distribute or disclose the information in
> or attached to the e-mail.
> > Any opinions expressed within this e-mail are those of the individual
> > and not necessarily of Diamond Light Source Ltd.
> > Diamond Light Source Ltd. cannot guarantee that this e-mail or any
> > attachments are free from viruses and we cannot accept liability for
> > any damage which you may sustain as a result of software viruses which
> > may be transmitted in or with the message.
> > Diamond Light Source Limited (company no. 4375679). Registered in
> > England and Wales with its registered office at Diamond House, Harwell
> > Science and Innovation Campus, Didcot, Oxfordshire, OX11 0DE, United
> > Kingdom
> >

-- 
This e-mail and any attachments may contain confidential, copyright and or privileged material, and are for the use of the intended addressee only. If you are not the intended addressee or an authorised recipient of the addressee please notify us of receipt by returning the e-mail and do not use, copy, retain, distribute or disclose the information in or attached to the e-mail.
Any opinions expressed within this e-mail are those of the individual and not necessarily of Diamond Light Source Ltd. 
Diamond Light Source Ltd. cannot guarantee that this e-mail or any attachments are free from viruses and we cannot accept liability for any damage which you may sustain as a result of software viruses which may be transmitted in or with the message.
Diamond Light Source Limited (company no. 4375679). Registered in England and Wales with its registered office at Diamond House, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0DE, United Kingdom

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System