Experimental Physics and
Industrial Control System

"Mark Rivers" <[email protected]> · Tue, 29 Nov 2011 13:02:52 -0600

Folks,

I have created a new EPICS module called measComp that supports USB
devices from Measurement Computing Corporation.  The two devices that
are supported in this initial release are:

USB-1608GX-2AO
(http://www.mccdaq.com/usb-data-acquisition/USB-1608GX-2AO.aspx)

This module costs ~$800 has the following features:
* 16-bit analog inputs 
   o 16 single-ended channels or 8 differential channels 
   o Programmable per-channel range: +-1V, +-2V, +-5V, +-10V
   o 500 kHz total maximum input rate, i.e. 1 channel at 500 kHz, 8
channels at 62.5 kHz, etc. 
   o Internal or external trigger. External trigger shared with analog
outputs. 
   o Internal or external clock, input and output signals. 
   o 4 kSample input FIFO, unlimited waveform length 
* 16-bit analog outputs 
   o 2 channels, fixed +-10V range 
   o 500 kHz total maximum input rate, i.e. 1 channel at 500 kHz, 2
channels at 250 kHz 
   o Internal or external trigger. External trigger shared with analog
inputs. 
   o Internal or external clock, input and output signals 
   o 2 kSample output FIFO, unlimited waveform length 
* Digital inputs/outputs 
   o 8 signals, individually programmable as inputs or outputs 
* Pulse generator 
   o 1 output 
   o 64MHz clock, 32-bit registers 
   o Programmable period, width, number of pulses, polarity 
* Counters 
   o 2 inputs 
   o 20 MHz maximum rate, 32-bit registers 

The EPICS driver supports all of these features, including a 2-channel
500 kHz 16-bit arbitrary waveform generator, and an 8-channel 500 kHz
16-bit waveform digitizer.

USB-4303 (http://www.mccdaq.com/usb-data-acquisition/USB-4303.aspx)

This module cost ~$350 and has the following features:
* Counter/Timers 
   o 2 CTS9513 counter timer chips. Each chip features 
* 5 16-bit 20MHz programmable up/down counters 
* Programmable pulse generation 
* Programmable delay generator 
* Event counting 
* Digital inputs/outputs 
   o 8 inputs 
   o 8 outputs 

The EPICS driver includes support for the EPICS scaler record, making
this a very inexpensive way to get EPICS scaler support.

The home page for this new module is here:
http://cars9.uchicago.edu/software/epics/measComp.html

The documentation is here:
http://cars9.uchicago.edu/software/epics/measCompDoc.html

Cheers,
Mark

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System