PHxPTOC Measurement modes - Arc protection - Motor protection - Feeder protection - Back-up protection - Technical Manual - REX610 Protection and control - 1.2 - IEC - ANSI - 01.07.2024

REX610 Technical Manual

The function operates on four alternative measurement modes: "RMS", "DFT", "Peak-to-Peak" and "P-to-P + backup". Additionally, there is “Wide P-to-P” measurement mode in some products variants. The measurement mode is selected with the setting Measurement mode.

Table 1. Measurement modes supported by PHxPTOC stages

Measurement mode

PHLPTOC

PHHPTOC

PHIPTOC

RMS

x

x

DFT

x

x

Peak-to-Peak

x

x

P-to-P + backup

x

Wide P-to-P

x

Note: For a detailed description of the measurement modes, see Measurement modes in this manual.