Power supplied for I/O use

+5 VIO @ 3 Amp max*

+4.3 V @ 3 Amp max*

-5 V @ .25 Amp

* The +5 VIO and +4.3 V combined total load current should not exceed 3 Amps.

The P890/P892 processors provide a fast drop scan rate, less than 5 milliseconds for 256 I/O points. The communication link time to the RIO head is less than 1 millisecond with up to five immediate retries.