ABB RELION REX640 Technical Manual

3.15.6 Signals
Table 106: mA Input signals
Name Type Default Description
AO_VAL FLOAT32 0 mA output, instanta-
neous value
Table 107: mA Output signals
Name Type Description
AI_VAL FLOAT32 mA input, instantaneous value
Table 108: RTD Output signals
Name Type Description
AI_VAL FLOAT32 RTD input, instantaneous value
SENSOR_FLT BOOLEAN Sensor fault
Table 109: Common outputs for each function block
Name Type Description
HIGH_ALARM BOOLEAN General high alarm
HIGH_WARN BOOLEAN General high warning
LOW_WARN BOOLEAN General low warning
LOW_ALARM BOOLEAN General low alarm
3.15.7 Settings
Table 110: Input-specific settings for mA
Parameter Values (Range) Unit Step Default Description
Input mode
1=Not in use
5=0..20mA
1=Not in use
Analogue input mode
Input maximum –20...20 mA Maximum analogue input value
for mA or resistance scaling
Input minimum –20...20 mA Minimum analogue input value
for mA or resistance scaling
Value unit
1=Dimensionless
5=Ampere
23=Degrees celsius
30=Ohm
1=Dimensionless
Selected unit for output value
format
Value maximum –10000.0...10000.0 10000 Maximum output value for scal-
ing and supervision
Value minimum –10000.0...10000.0 –10000 Minimum output value for scal-
ing and supervision
Val high high limit –10000.0...10000.0 10000 Output value high alarm limit for
supervision
Value high limit –10000.0...10000.0 10000 Output value high warning limit
for supervision
Table continues on the next page
Basic functions 1MRS759142 F
186 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