A-1
A
Specifications
The maximum high-level input is +32V. You can extend the input range
for any input port beyond the 32V maximum by supplying an external
series resistor to reduce the current to 10mA. The following tables contain
specifications for the PIO-HV.
Table A-1. Digital Inputs
Feature
Port B
Port C
Number of bits
Eight
Eight
Configuration
Common-ground input
Common-ground input
Input
impedance
1500
Ω
1500
Ω
Input high level Greater than 3.5V at
1.5mA
Greater than 4.0V at
2.0mA
Input low level
Less than 2V or open
circuit
Less than 2V or open
circuit
Table A-2. Digital Outputs
Feature
Port B
Port C
Number of bits
Eight
Eight
Configuration
Open collector
Open collector
Maximum
voltage
50V
50V
Output current
25mA at less than 1V
24mA at less than 1V
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