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Specifications
Input Characteristics
Power Requirement
Physical Characteristics
1
The switching characteristics (turn-on time, switching time, and turn-off time) of the optical isolator used on the board limit
the data transfer rate.
SCC-DI01 Isolated Digital Input Module User Guide
These specifications are typical at 25 °C unless otherwise stated.
Number of channels................................1
Maximum input voltage..........................30 VDC or 30 VAC
Digital logic levels
Level
Input low voltage
(DC or Peak AC)
Input high voltage
DC
1 kHz AC
Input current
5 V input ..........................................1.5 mA
24 V input ........................................7.0 mA
Isolation ..................................................42 VDC from computer ground
Propagation delay
Low to high......................................10 µs
High to low ......................................250 µs
Rise time .................................................10 ns max
Fall time ..................................................10 ns max
Digital power ..........................................61 mW max
Dimensions .............................................8.89 cm × 2.92 cm × 1.85 cm
Mass........................................................28.6 g (1.0 oz)
Min
—
±2 VDC
4 V
(3.50 in. × 1.15 in. × 0.73 in.)
4
Max
±1 V
±30 VDC
30 VAC
rms
1
1
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