Hi David,
If price is important have you considered a non-VME option? You can get much of the functionality of the SIS3820 in the Measurement Computing USB-CTR08 for $429.
http://www.mccdaq.com/usb-data-acquisition/USB-CTR08.aspx
I have an EPICS driver with support for both the scaler record and the MCS mode similar to that for the SIS3820.
http://cars9.uchicago.edu/software/epics/measCompUSBCTRDoc.html
For motion control there are lots of non-VME options with EPICS support, such as the Newport XPS, Delta Tau GeoBrick, ACS MCB-4B, etc. These all have per-axis costs that compare favorably with OMS MAXv plus driver modules, have a lot more capability (e.g. coordinated multi-axis motion), and eliminate the cost and complexity of a VME crate.
Mark
________________________________
From: [email protected] [[email protected]] on behalf of David Vine [[email protected]]
Sent: Thursday, November 05, 2015 7:00 PM
To: [email protected]
Subject: Advice on VME processor cards and OS for EPICS
Hi all,
I am looking to setup a VME crate and processor to run EPICS and synApps to control a STXM and handle data acquisition. Specifically I anticipate using a Struck multichannel scaler card (SIS3820) for data acquisition and OMS MAXv card for stepper motor control.
vxWorks is not an option due to price. Since I will be maintaining the OS myself and I am no expert I am looking for the simplest OS to set up and maintain and ideally with existing support for the abovementioned cards. I am comortable building EPICS and synApps on linux but I have no experience setting up a VME.
>From my research I found two options and I'm hoping to get some advice on which option might be best:
1. RTEMS. The RTEMS source builder seems straight forward to use but I'd appreciate if someone can recommend a processor, or advice on how to choose one?
2. RT linux. I don't really know if this would work but I could use an Intel processor from acromag (link below) and install linux and run EPICS on it. Is there a VME bus driver and would it support the cards I mentioned above?
https://www.acromag.com/catalog/840/embedded-computing-sbcs-fpgas/vme-sbc/intel-cpu
Thanks for your time!
David
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