The ABB REG670, also cataloged as the REG670 Intelligent Electronic Device (IED), operates as a dedicated hardware component for protection and monitoring of generators, prime movers, and step-up transformers within utility generation platforms. This physical chassis unifies generator differential modules, thermal overload calculations, and step-up transformer monitoring loops into a single multi-channel computing architecture. It interfaces directly with local switchgear, excitation controllers, and station buses to manage automated safety interlocks and circuit breaker trip routing.
Hardware Specifications
Parameter
Specification
Model
REG670 IED
Brand
ABB
Origin
Sweden
Weight
3.5 kg (Full 19-inch rack variant)
Dimensions
444 mm x 265 mm x 242 mm (W x H x D)
Operating Temp
-25 deg C to +55 deg C
Power Consumption
Less than 50 W base consumption
Display Subsystem
Monochrome graphical LCD (320 x 240 pixels)
Application Matrix
Hydro, pump-storage, gas, combined cycle, steam, and cogen plants
Local Port Interface
RJ45 front-panel communication link for PCM600
Core Product Family
Relion 670 Series
Profinet / EtherNet/IP Deterministic Networks and I/O Density Scaling
The REG670 processes critical telemetry data across digital substation backplanes using high-speed, deterministic networks to fulfill demanding sub-millisecond trip latency limits. The unit manages modular expansion slots to facilitate I/O density scaling, accommodating varied binary input and output configurations without decreasing internal backplane bus communication velocity. Onboard non-volatile flash memory chips secure firmware flash compatibility, allowing the protection engine to maintain continuous synchronicity with external IEC 61850-9-2 process buses during severe electrical transients.
