User`s guide

4 • Introduction
♦ Optical Isolated Output Channel
PCI-7432
cPCI-7432
cPCI-7432R/P
PCI-7434
cPCI-7434/P
cPCI-7434R/P
Number of Channel 32 DO 64 DO
Output Type
Darlington transistor with common
ground/common power
Output Voltage 5V
DC
min, 35V
DC
maximum
Output Device
ULN2803A (common ground)
TD62783 (common power)
Sink Current
l Max. 500mA/ch if only one of the
ULN2083A transistor is ON
l 500mA/ch if all of the ULN2803A
transistors are ON @ 20% duty
(T
amb
= 50
?
)
l Max. 2.25W per ULN2803A device
Isolation Voltage
5000 Vrms
(2500 Vrms for cPCI-7432R/P)
Throughput 10K Hz (0.1 ms)
On Board Isolated +5V
Output Power
200mA 150mA
Power Consumption
+5V @ 530 mA
typical
+5V @ 560 mA
typical
Table 3. Optical Isolated Output Channel Specifications