ABB RELION REX640 Technical Manual

Table 1209: RCRWPSCH Monitored data
Name Type Values (Range) Unit Description
RCRWPSCH Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
5.13.10 Technical data
Table 1210: RCRWPSCH Technical data
Characteristic Value
Operate accuracy At the frequency f = f
n
±1.5 % of the set value or ±0.002 × U
n
Operate time accuracy ±1.0 % of the set value or ±20 ms
5.14 Three-phase power directional element DPSRDIR
(ANSI 67P-TC)
5.14.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Three-phase power directional ele-
ment
DPSRDIR I1-> 67P-TC
5.14.2 Function block
Figure 726: Function block
5.14.3 Functionality
The three-phase power directional element function DPSRDIR is used to detect
positive-sequence power direction. The output of the function is used for blocking
or releasing other functions in protection scheme.
1MRS759142 F
Protection related functions
REX640
Technical Manual
1281

ABB RELION REX640 Specifications

General

Model	RELION REX640
Category	Protection Device
Communication Protocols	IEC 61850, Modbus, DNP3, IEC 60870-5-103
Display	LCD
Rated Voltage	100-240 V AC/DC
Rated Frequency	50/60 Hz
Protection Functions	Overcurrent, Earth Fault, Overvoltage, Undervoltage, Frequency
Mounting	Rack mounting
Inputs/Outputs	Analog inputs
Housing	Metal
Input Voltage	24-250 V DC / 100-240 V AC
Operating Temperature	-25°C to +70°C
Enclosure	IP20