ABB RELION REX640 Technical Manual

Name Type Description
I_INST_RES FLOAT32 Residual current instantane-
ous value amplitude in am-
peres
I_DMD_RES FLOAT32 Demand value of residual cur-
rent
8.1.8.6 RESCMMXU Settings
Table 1396: RESCMMXU Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
A Hi high limit res 0.00...40.00 xIn 0.01 0.20 High alarm current
limit
A high limit res 0.00...40.00 xIn 0.01 0.05 High warning cur-
rent limit
A deadband res 100...100000 1 2500 Deadband configu-
ration value for in-
tegral calculation.
(percentage of dif-
ference between
min and max as
0,001 % s)
Table 1397: RESCMMXU Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Measurement
mode
1=RMS
2=DFT
2=DFT Selects used meas-
urement mode
On delay time 0...1800000 ms 100 0 Delay the activation
of the alarm and
warning outputs
Off delay time 0...1800000 ms 100 0 Delay the deactiva-
tion of the alarm
and warning out-
puts
8.1.8.7 RESCMMXU Monitored data
Table 1398: RESCMMXU Monitored data
Name Type Values (Range) Unit Description
Io-A:1 FLOAT32 0.00...40.00 xIn Residual current
BLOCK BOOLEAN
0=False
1=True
Block signal for all bina-
ry outputs
HIGH_ALARM BOOLEAN
0=False
1=True
High alarm
HIGH_WARN BOOLEAN
0=False
1=True
High warning
I_INST_RES FLOAT32 0.00...40.00 xIn Residual current Ampli-
tude, magnitude of in-
stantaneous value
Table continues on the next page
Measurement functions 1MRS759142 F
1464 REX640
Technical Manual

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