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PCI-D96SU/D128SU Card
DB-24C
The DB-24C has 24 channels of optically isolated digital outputs,
arranged into four isolated banks. Each digital output offers a
Darlington transistor and integral suppression diode for inductive
load. The board interface to field logic signals, eliminating
ground-loop problems and isolating the host computer from
damaging voltages. The DB-24C has one 37-pin D-sub connector, one
50-pin OPTO-22 compatible male header and one 20-pin male
header.
The transistor is energized by applying a 5-voltage signal to the appropriate input channels on the
50-pin header or 20-pin header or 37-pin D-sub connector. Twenty-four enunciator LEDs, one for
each transistor, light when their associated transistor is activated. The DB-24C daughter board is
connected to the CN1/CN2 connector on the D128SU using a 20-pin flat cable.
User Manual, Ver. 1.0, Apr. 2019, PMH-031-10 Page 39
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