Contents1. Application..................................................................... 32. Available functions..........................................................73. Impedance protection...................................................154. Current protection........................................................ 165. Voltage protection........................................................ 186. Frequency protection....................................................187. Secondary system supervision..................................... 198. Control......................................................................... 199. Scheme communication...............................................2010. Logic...........................................................................2111. Monitoring................................................................... 2312. Metering......................................................................2513. Human machine interface............................................2614. Basic IED functions..................................................... 2615. Ethernet...................................................................... 2616. Station communication ...............................................2717. Hardware description.................................................. 2818. Connection diagrams.................................................. 3119. Technical data............................................................. 3220. Ordering for pre-configured IED...................................8321. Ordering for Accessories............................................. 86DisclaimerThe information in this document is subject to change without notice and should not be construed as a commitment by ABB. ABB assumes no responsibility for anyerrors that may appear in this document. Drawings and diagrams are not binding.© Copyright 2017 ABB.All rights reserved.TrademarksABB and Relion are registered trademarks of the ABB Group. All other brand or product names mentioned in this document may be trademarks or registeredtrademarks of their respective holders.1MRK 506 384-BEN ALine distance protection REL650 2.2Product version: 2.2.12 ABB