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Hookup Diagram Walkthrough Differential Input

Category: Flex CT, Using PMI Recorders, Eagle

This white paper describes the proper hookup connections for differential input style PMI recorders. PMI offers the ability to monitor with two styles of voltage input connections to provide the user with the most flexibility when troubleshooting power quality issues. The VIP, IVS-3, and IVS-3/600P have differential voltage inputs where the Eagle, Revolution, and Vision have common mode voltage inputs. Although the differential and common mode voltage inputs can monitor the same circuit types; the connections on the circuit differ slightly. In order to fully understand the circuit hookup diagram, some circuit theory will be reviewed.


This White Paper Includes:

  • Differential Voltage Inputs
  • Common Mode or Single Ended Inputs
  • Circuit Types
  • Three Phase WYE
  • Three Phase Delta
  • Open Delta
  • Four Wire Delta
  • Two Element Delta
  • 2 1/2 Element WYE
  • Two Wire Single Phase
  • 3 Wire Single Phase
  • Setting the Circuit Type

Download White Paper Here