ABB REC670.2.2-B30X00-C52H05P25-B1X0-AA-CA-B-A7X0-CB1AB1XXXXXXXX-PPPPXHPPXXXXXX

ABB REC670.2.2-B30X00-C52H05P25-B1X0-AA-CA-B-A7X0-CB1AB1XXXXXXXX-PPPPXHPPXXXXXX

I. Product Overview
REC670: Hitachi Energy (formerly ABB) Relion 670 series Bay Control IED, used for protection, measurement, circuit breaker control, interlocking, and fault recording in substation bays. Firmware version 2.2 (V2.2 platform, supporting IEC 61850 process bus, HSR/PRP redundancy, and PTP time synchronization). ABB Group.

Segment-by-Segment Code Analysis (Ordering Code Structure)
Complete code breakdown:
REC670.2.2 – B30X00 – C52H05P25 – B1X0 – AA – CA – B – A7X0 – CB1AB1 – XXXXXXXX – PPPPXHPPXXXXXX

1) REC670.2.2
REC670: Bay control IED
2.2: Software major version V2.2 (firmware 2.2.x series)

2) B30X00 Primary wiring configuration
B30: Standard template for double-breaker bay (Double Breaker, dual-bus double-breaker configuration, standard with 12 analog inputs: 6I + 6U)
X00: No expansion; basic configuration without PMU or additional primary wiring extension

3) C52H05P25 Protection function library options
C52: Negative-sequence overcurrent four-stage protection NS4PTOC (46I2), standard feature for unbalanced faults, motor or line imbalance protection
H05: Voltage protection module (overvoltage / undervoltage / zero-sequence overvoltage)
P25: Frequency / frequency deviation protection (81O/U, underfrequency load shedding, overfrequency protection)

4) B1X0 Analog AI module specification
B1: Standard AC current and voltage input (1A/5A CT optional)
X0: No auxiliary analog input board extension

5) AA Digital DI input board
AA: Dual DI boards, high-capacity digital signal acquisition (disconnector position, circuit breaker status, alarm inputs)

6) CA Digital DO output board
CA: High-capacity DO tripping/control output board, providing trip, close, alarm, and interlock outputs

7) B Power supply specification
B: Universal wide-range power supply, 100–240V AC / 110–250V DC, compatible with both AC and DC

8) A7X0 Communication interface configuration
A7: Two independent Ethernet electrical ports (IEC 61850 MMS/GOOSE), supports redundancy
X0: No fiber-optic process bus, no serial port extension

9) CB1AB1 Front panel HMI and hardware enclosure
CB1: Standard 6U rack-mounted chassis (standard substation cabinet installation)
A: Standard LCD local operation panel (with keypad, local/remote switch)
B1: Standard indicator lights + local reset button, no additional front panel extensions

10) XXXXXXXX Language / Certification / Installation
All Xs = Default English interface, IEC standard certification, standard front terminal block, no special custom terminal strips

11) PPPPXHPPXXXXXX Additional functions / timing / recording / protocol extensions
PPPP: Full fault recording (COMTRADE), event logging, disturbance storage XH: Supports PTP IEEE1588 precision time synchronization
PP: Dual protocol extension for IEC60870-103 and Modbus TCP
Tail XXXXXX: No special additional hardware (no fiber optic transceiver, no PMU, no backup power module)

Core Hardware and Functional Summary
Main wiring compatibility: Double-circuit breaker, double-bus section (B30 template), suitable for 35kV/110kV incoming/outgoing lines and bus tie sections
Protection core: Complete set of negative-sequence overcurrent, voltage anomaly, and frequency protection; expandable with overcurrent, grounding, circuit breaker failure, and auto-reclosing with voltage check/synchronization check
I/O capacity: Dual DI + dual DO high-capacity digital inputs/outputs; 12-phase three-phase current and voltage analog signal acquisition

Communication:

Dual Ethernet ports supporting IEC61850, compatible with IEC103 and Modbus; supports GOOSE interlocking and PTP synchronization
Human-machine interface: Local LCD panel for on-site opening/closing operations, parameter viewing, and fault waveform retrieval
Power supply: AC/DC universal input, compatible with standard substation control power