Main Processor Module 35
Chapter 3 System Description
Logic Power
Feature Specification
Nominal input voltage 24 V DC
Operational voltage range 24 V DC –15%/+20% + 5% AC ripple
(+19.2 / +30 V DC)
Logic power 8 W maximum
Absolute maximum input voltage 33 V DC
Absolute maximum reverse input voltage –0.6 V DC
Input power interruption time from
nominal
1 ms minimum
Repetition rate 1 sec maximum
Reverse current isolation input to input 500 µA maximum
In-rush current per input 2.4 A maximum
1.2 A for 50 ms, typical
Short circuit current limit per input 2.4 A maximum
Functional-earth-to-logic-ground isolation 0 V, no isolation
Protective-to-functional-earth isolation 500 V DC
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