EFX48-xx Series with RM3-340/440 Installation and Operation Guide 
 
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Copyright © 2019 Eaton Corporation.  All Rights Reserved. 
IPN March 2019 
 
 
GPIO4 & 5 
GPIO4 & 5 can be configured as digital inputs or analog inputs. When set as analog inputs there 
are 2 possible voltage ranges : 
•  0 to +10V – intended for general purpose analog inputs from sensors etc 
•  0 to -60V – intended for battery midpoint sensing