Emerson PACSystems RSTi-EP User Manual

User Manual Section 5
GFK-2958L May 2021
Detailed Description of I/O Modules 373
5.34.2 Specifications EP-1813
Specifications
Description
System data
Data
Process, parameter and diagnostic data depend on the network adapter used.
Interface
RSTi-EP system bus
System bus transfer rate
48 Mbps
Potential isolation
Test voltage: max. 28.8 V within one channel, 500 V DC field/system
Pollution severity level: 2
Overvoltage category: II
Connections
Number
3 Neutral conductors
3 Phase conductors (voltage measurement)
3 Phase conductors (current measurement 5 A)
3 Phase conductors (current measurement 1 A)
Nominal input voltage
1)
0 … 300 Veff AC (L–N); one or three phase measurement
Rated voltage
250 V AC (L–N) +20%
Nominal input current
max. 1 A at measuring connection L' 1 A (current measurement in the phase
conductor)
max. 5 A at measuring connection L' 5 A (current measurement in the phase
conductor)
Sampling rate
3300 Samples/s
Resolution (per channel)
16 Bit (internally 24 Bit)
Frequency range
45 ... 65 Hz
Limiting frequency of the input filter
2)
typ. 4, 5 kHz
Harmonics analysis
Visualization for the first 31 harmonics; 1% accuracy guaranteed for the first 10
harmonics (Blackman-Harris Window)
Isolation
3, 0 kVeff (1 min)
Rated impulse voltage
4 kV
Overvoltage category
CAT II (IEC 61010-1)
Measuring procedure
True RMS in conjunction with high resolution Delta Sigma converter
Measuring accuracy3
)
0, 5% for measured values relative to the upper limit of effective range (U/I) 1%
for calculated values
Temperature coefficient
U: 150 ppm/K I: 150 ppm/K
Conducted disturbances
EN 61000-4-6/IEC 61000-4-6 < ±10.0%
Input impedance
2,4 MΩ per channel

Emerson PACSystems RSTi-EP Specifications

General

Brand	Emerson
Model	PACSystems RSTi-EP
Category	Controller
Language	English