Specifications; Optically Isolated Digital Output; Power Requirement (From Host Board Or External Power Supply) - National Instruments SC-206X Series User Manual

Chapter 3

Specifications

The following sections list the specifications of the SC-2061 digital signal conditioning accessory
board. These ratings are typical at 25° C unless otherwise stated. The operating temperature range
for this board is 0° to 70° C.

Optically Isolated Digital Output

Number of channels
Isolation
Working voltage
Note: This product complies with IEC-1010 for Voltage Installation Category II Pollution
Degree 2.
Common-mode rejection
Typical
Minimum
Data rate
Propagation delay
Typical (with 4.7 kΩ pullup to +5 VDC) t
Output
Type
Compatibility
Fan-out
Voltage
Low level output current
Field connections

Power Requirement (from Host Board or External Power Supply)

Power consumption (at +5 VDC)
Typical
Maximum
Note: The power specifications pertain to the power supply of the host computer when using
internal power or to the external supply connected at screw terminal J2 when using
external power.
© National Instruments Corporation
Eight
250 Vrms channel-to-channel
300 Vrms channel-to-ground
500 V/µs
100 V/µs
Up to maximum speed of host board (500 kHz)
= 110 ns
PLH
t = 45 ns
PHL
Open-collector
TTL-compatible
10 (using 4.7 kΩ pullup resistor at +5 VDC)
Must pull up to +5 VDC only
15 mA (using 350 Ω pullup resistor at +5 VDC)
Three screw terminals per channel
21 mA ±5% with all outputs low
77 mA ±5% with all outputs high
130 mA
3-3
SC-2061 Board
SC-206X Series User Manual