NI SCC-CTR01 User Guide and Specifications
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Specifications
These specifications are typical at 25 °C unless otherwise stated.
Power
Power requirement..................................140 mW max from +5 V rail
(digital power)
Isolated Inputs
Number of input channels.......................2 (CTR_SRC, CTR_GATE)
Input type ................................................Driven reference to either supply
or ground (two terminals per
input)
Maximum input frequency .....................400 kHz
Minimum input pulse width ...................1
μ
s
Input-to-input, input-to-output,
and input-to-PC ground isolation ...........60 VDC, continuous, verified by a
620 V
rms
dielectric withstand test,
5 sec
Input waveform types .............................Any
Voltage
Voltage range..........................................Up to 48 VDC
Typical ON voltage ................................2.5 V
Guaranteed ON voltage ..........................4.1 V
Guaranteed OFF voltage.........................0.8 V
Current
ON state current......................................2.2 mA min, 6 mA typ,
10 mA max
OFF state current ....................................0.1 mA max
