The ACQ - USB Acquisition Program
The Acq Data Acquisition Program acquires and processes
data from specific USB I/O modules designed for this
application. The currently supported modules are:
1. USB_ADC_NNNN - ADC I/O modules which interface
with Northern Instruments models
NS-62x ADCs and Tracor Northern
Instruments models TN-12xx ADCs.
2. USB_TMR_NNNN - Timer I/O modules with time-bases
of from 100 microseconds (us) to
10 seconds for multichannel scaling
applications.
The I/O modules are organized into 'chains' of from
1 to 8 modules per chain. The acquisition program supports
upto 8 chains.
The I/O modules in each chain can be configured for
independent operation (i.e. singles mode) where acquired
events are channeled through their corresponding I/O
module USB connections. The I/O modules in each chain
may be combined for multiparameter acquisition operation
where a single event consists of acquiring data from each
multiparameter I/O module simultaneously and transferring
all the data through the first multiparameter I/O module
in the chain. A single multiparameter group and multiple
singles mode devices are allowed in each chain of I/O modules.
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