PAS 9780/DIO : Dual 12x12 Matrix
Card VME Digital Input /
Output Card
Links to printable product info:
The PAS 9780/DIO card contains two by twelve matrix arrays. Each
matrix has twelve input channels and twelve output channels. Logic
on the card allows any of the input channels to be mapped to any
of the output channels. Each matrix uses twelve registers that are
accessible by the VME bus to steer the input channels to an output
channel. Each output channel is assigned to one of these steering
registers. When a bit in a given output steering register is true
and the corresponding input is true, then that output will go true.
An on board 30 Volt power supply is available as an option. This
DC to DC converter steps up the 5 Volt backplane voltage to 30 volts
at 500 mA. If more than 500 mA is required by the outputs, then
28 Volts can be connected to the card’s I/O connectors. Two
50 position shrouded headers are used to terminate the I/O signals.
One connector is used for each matrix and terminates twelve inputs
and grounds, twelve outputs and grounds and a 28 volt supply input
and ground.
Key Features
-
Two twelve by twelve matrix arrays
-
Output steering registers
allow any one or more inputs to drive any output
-
Value of
steering register can be read back with VME input transfer
-
Outputs
can be driven true or false with override and test bits
for each output
-
Matrix input status can be read over the VME
bus
-
Each matrix can be configured for 28 Volt or ground operation
with a jumper plug
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