SATEC PM180 Operation Manual - Manual (Page 9)

‎Chapter 1 Introduction
PM180 Substation Automation Unit 7
Chapter 1 Introduction
expertmeter™ PM180 Features
The expertmeter™ PM180 Series intelligent electronic devices (IED) in a 3U
standard form factor design, are combined fault-recording, metering and control
devices that provide a complete solution for substation and industrial automation.
They incorporate a unique collection of features commonly found in numerous
specialized measurements and recording equipment utilized in substation and
industrial environments. Although the devices are primarily designed as an
inexpensive add-on to expand the capabilities of the existing substation protection
equipment, they are well suited for a wide range of industrial applications with high
input currents whenever extensive power quality monitoring is required. The PM180
combines in a single enclosure:

Fast Digital Fault recorder: up to 48 external digital triggers
from protection relays; onboard fault detector; programmable
fault thresholds and hysteresis; up to 100 Amp fault currents,
zero-sequence currents and volts, current and voltage
unbalance; ready-for-use fault reports - fault current
magnitudes and duration, coincident volt magnitude, fault
waveforms and fast RMS trace; cross triggering between
multiple devices via digital inputs for synchronous fault
capture and recording.

Sequence-of-Events recorder: up to 48 digital inputs at 1-ms
resolution, fault events and relay operations.

IEEE 1159 Power Quality recorder: onboard power quality
analyzer; programmable thresholds and hysteresis; IEEE
1159 PQ event log; ready-for-use reports; impulsive
transients, sags/swells, interruptions, harmonics, inter-
harmonics, frequency variation, voltage unbalance, optional
IEC 61000-4-15 flicker.