Product Core Brief
- System: ABB SUE3000 High-Speed Transfer System
- Device: ABB REF542plus multifunction protection and bay control unit (HMI unit)
- Product ID: 1VCR007346
- Type Code: G0032
- Core Function: MV feeder/motor/bay protection, control, measurement, monitoring, and SUE3000 fast transfer detection.
- Product Type: ABB REF542plus HMI / Bay Control Unit
- Key Specs: FUPLA-configurable protection logic; HMI with LCD/LEDs; serial/Ethernet communication depending on configuration
- Condition: New Original / New Surplus (verify per lot)
- Status: Legacy MV protection and control unit; widely used in existing SUE3000 and MV switchgear installations
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Product Family | REF542plus multifunction protection and bay control unit |
| Product ID | 1VCR007346 |
| Type Code | |
| System Use | SUE3000 HSTS/HSTD fast transfer; MV feeder, motor, transformer, and bus protection |
| Configuration | FUPLA function-block programming; HMI-based parameter setting |
| Communication | Serial and Ethernet options depending on configuration; common protocols include IEC 61850, Modbus, Profibus DP, IEC 60870-5-103 |
| Supply Voltage | Typically 110–220 V DC for REF542plus units; confirm on nameplate |
Note: 不同 G 代码对应的通信接口、保护功能包、I/O 配置可能不同。 的具体接口组合需以铭牌为准,不能直接套用 G0016、G0028 或其他型号的规格。
Product Introduction
The ABB REF542plus 1VCR007346 G0032 is a multifunction protection and switchgear control unit used in medium-voltage switchgear and ABB SUE3000 high-speed transfer systems. It integrates protection, control, measurement, monitoring, and human-machine interface functions in a single device, making it suitable for feeder, motor, transformer, and bus applications.
Within a SUE3000 HSTS/HSTD solution, the REF542plus unit typically acts as the detection and control device that monitors supply conditions and supports fast transfer logic together with breakers and other system components. SUE3000 systems can achieve transfer times around 30–100 ms depending on configuration and breaker performance. The unit is configured using ABB’s FUPLA function-block language, and parameters can be adjusted via the local HMI.
Because 1VCR007346 G0032 is a legacy MV protection and control unit, its main value today is as a verified replacement for existing REF542plus and SUE3000 installations. Always confirm the exact type code, firmware version, and communication configuration before deployment.
QA & Verification SOP
- Nameplate verification: Confirm ABB REF542plus, Product ID 1VCR007346, Type G0032, serial number, and supply voltage.
- Physical inspection: Check HMI display, LEDs, front optical/serial port, rear connectors, and mounting condition.
- Firmware check: Record software/firmware version and compare with the existing SUE3000 or switchgear configuration.
- Communication test: Verify serial/Ethernet communication and protocol settings if applicable.
- Functional test: Only test protection and transfer logic in a controlled environment; do not perform live MV switching without site approval.
Installation Pitfalls
❗ Not a generic PLC. REF542plus is a MV protection and bay control unit, not a general-purpose PLC.
❗ G0032 matters. Different G codes may have different communication interfaces, protection functions, and I/O options.
❗ Not a standalone SUE3000 system. This unit is typically one component within a SUE3000 HSTS/HSTD solution.
❗ Configuration must match. Replacement requires matching protection logic, communication settings, and system parameters.
Replacement steps:
- Record the existing unit’s type code, firmware version, and communication settings.
- Back up protection logic, parameters, and SUE3000 transfer settings.
- Replace the unit following site safety and switchgear procedures.
- Restore configuration and verify HMI, LEDs, communication, and I/O status.
- Perform offline checks and supervised functional testing before returning to service.
Technical FAQ
1. What is 1VCR007346 G0032?
It is an ABB REF542plus multifunction protection and bay control unit, specifically the HMI unit variant identified by Product ID 1VCR007346 and Type G0032.
2. Is it part of the SUE3000 system?
Yes. REF542plus units are commonly used as detection and control devices within ABB SUE3000 high-speed transfer systems.
3. Can it be used outside SUE3000?
Yes. REF542plus is also used in standalone MV switchgear for feeder, motor, transformer, and bay protection.
4. Does it support IEC 61850 or Modbus?
REF542plus supports multiple communication protocols depending on configuration. The exact protocol set for G0032 must be confirmed from the nameplate or project documentation.
5. What should I check before buying?
Confirm Product ID 1VCR007346, Type G0032, firmware version, supply voltage, communication interfaces, and whether the unit has been tested in a live REF542plus or SUE3000 system.









