Opal-RT OP4500, User Manual, Page: 16 / 42

16 OPAL-RT Technologies OP4500 User Guide
Introduction
On Board I/O specifications
ON BOARD I/O SPECIFICATIONS
32 Digital In
Number of channels 32 digital inputs
Isolation Optical isolator
Connection mode Anode and cathode available on connector
Input current 4.7 mA, current limiting diode
Reverse voltage protection Schottky diode
Maximum reverse voltage protection 30 Volts
Detection threshold Separate Schmitt Trigger
Voltage range < 0.8 V for low logic
4.2 to 30 V for high logic
32 Digital Out
Number of channels 32 digital outputs
Isolation Galvanic isolator
Output Protection 50 mA resettable fuse
Protection thresholds Under voltage: 4.85 V
Over voltage: 18.1 V
Reverse voltage: maximum 35 V.
Output Voltage range 5 to 15 Vdc
Output configuration Push-pull
Delay Low-to-High <=50 ns
Delay High-to-Low <=50 ns
Rise/Fall times <= 15 ns
Power Isolation On-board DC to DC isolated converter
RS422 Digital In
Number of channels 8 differential inputs
Isolation Optical isolator
Detection threshold ± 0.2 V (for ± 7 V range)
± 0.5 V (for ± 15 V range)
Input current ± 3 mA
Voltage range 5 to 15 Vdc
Delay Low-to-High 65 ns
RS422 Digital Out
Number of channels 8 differential outputs
Isolation Galvanic isolator
High level (With load)
Low level (With load)
2.5 V min @ -20 mA
0.5 V max @ 20 mA
Voltage range 5 to 15 Vdc
Delay Low-to-High 55 ns