Everest XCR - Product Manual |
Wiring and Connections
INGENIA | 08/04/2019
52
9.6.1. Digital Inputs Interface
The non-isolated digital inputs are ready for 5 V or 3.3 V digital levels. The following table shows their electrical
specifications.
Specification
Value
Number of inputs
4 (IN1, IN2, IN3, IN4)
Type of input
Single ended
ESD protected
Low-pass filtered
ESD capability
IEC 61000-4-2 (ESD) ± 15 kV (air), ± 8 kV (contact)
Input current
0.2 mA at 5 V (25 k
Ω
equivalent input resitance)
Maximum input voltage range
-2 V ~ +7 V
High level input voltage
> 3 V
Low level input voltage
< 2 V
Minimum hysteresis
200 mV
1st order filter cutting frequency (-3
dB)
265 kHz
Next figure shows an example of how to wire digital inputs with various input options. For higher voltage systems
like 12 V or 24 V a series resistance should be connected to the input.