ABB REX640 User Manual

3. Relay hardware
The relay has mandatory and optional slots. A mandatory slot
always contains a module but an optional slot may be empty,
depending on the composition variant ordered.
Table 1. Module slots
Module Slot A1 Slot A2 Slot B Slot C Slot D Slot E Slot F Slot G
ARC1001 o
COM1001 ●
COM1002 ●
COM1003 ●
COM1004 ●
COM1005 ●
BIO1001 ● o o
BIO1002 ● o o
BIO1003 o
BIO1004 o
RTD1001 o o
AIM1001 o ●
AIM1002 o ●
SIM1001 o ●
PSM1001 ●
PSM1002 ●
PSM1003 ●
● = Mandatory to have one of the allocated modules in the slot
o = Optional to have one of the allocated modules in the slot. The population (order) of the modules in the optional slots depends on the composition
variant ordered.
1MRS759144 A
REX640
Product version: 1
4 ABB

ABB REX640 Specifications

General

Device Type	Protection Relay
Communication Protocols	IEC 61850, Modbus, DNP3, IEC 60870-5-103
Rated Frequency	50/60 Hz
Operating Temperature Range	-25°C to +55°C
Display	LCD
Housing	Metal
Manufacturer	ABB
Model	REX640
Mounting	Rack mounting
Inputs and Outputs	Configurable binary inputs and outputs
Rated Voltage	48-240 V AC/DC
Protection Functions	Overcurrent, Earth Fault
Input Voltage	48-240 V AC/DC
Certifications	CE, UL, IEC