Hardware installation for ConnectPort X4 H
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Digital input/output specifications
Specifications for digital input and output on ConnectPort X4 H models are as follows:
Note: Exceeding the maximum or minimum safe input values will result in damage to the unit.
Digital mode Specification Value
Digital Input Input type Non-inverting Schmitt trigger gate
Positive-going switching threshold ~1.6 VDC
Negative-going switching threshold ~1.0 VDC
Minimum input 0 VDC
Maximum input: +30 VDC
Minimum safe input -0.5 VDC
Maximum safe input +31 VDC
Input impedance 1.5 Megaohms
Default level when no input applied Low
Digital Output Output type Open collector sinking driver
Maximum sink current 1.8 ADC
Minimum output voltage 0 VDC
Maximum output voltage +30 VDC
Minimum safe output -0.5 VDC
Maximum safe output +31 VDC
Resistor pullups 10K ohms pulled up to 3VDC;
switch-selectable
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