REM543 REM543BM212AAAA ABB Bailey

REM543 REM543BM212AAAA ABB Bailey Analog Output Modules

Product  Description：

• • • • • • The REM543 acts as an integrated main protection system for medium and large-sized rotating machines. It is designed using a function-block architecture, allowing users to configure the device for specific applications using a library of pre-defined protection and control blocks. The REM543BM212AAAA model features a sophisticated human-machine interface (HMI) with a graphic display that provides real-time information on status, measurements, and events. It integrates several devices into one, functioning simultaneously as a protection relay, a control unit for switching devices, and a programmable logic controller (PLC).

            Product Parameters

            • Type Designation: REM 543 Machine Terminal

            • Model Code: REM543BM212AAAA

            • Digital Inputs: Typically 15 voltage-controlled, optically isolated binary inputs for status monitoring.

            • Digital Outputs: 12 output relays, including high-speed power outputs for tripping and signaling.

            • Analog Inputs: Supports current and voltage measurement via conventional measuring transformers ($1 \text{ A}$ / $5 \text{ A}$ or $100 \text{ V}$ / $110 \text{ V}$) or sensors like Rogowski coils and voltage dividers.

            • Communication Protocols: Supports multiple protocols including SPA, LON, Modbus RTU, and IEC 61850 (via adapter).

            • Sampling Frequency: $2 \text{ kHz}$ at $50 \text{ Hz}$ or $2.4 \text{ kHz}$ at $60 \text{ Hz}$ for analog signals.

            • Disturbance Recorder: Integrated transient recorder capable of capturing 16 analog and 16 digital signals.

            • Auxiliary Power Supply: Range varies by hardware version, commonly supporting $110/120/220/240 \text{ V AC}$ or DC ranges.

            Product Advantages

            • Integrated Functionality: Combines protection, control, and PLC functions, significantly reducing the number of individual components required in a switchgear panel.

            • High Flexibility: The programmable logic allows for the creation of customized interlocking and control sequences tailored to specific site requirements.

            • Comprehensive Motor Protection: Includes specialized functions such as thermal overload modeling, start-up supervision, stall protection, and cumulative start-up counters.

            • Robust Diagnostic Tools: Built-in self-supervision and a detailed event recorder facilitate rapid troubleshooting and minimize downtime.

            • Marine Certification: Many versions of the REM543 are certified for marine and offshore use, proving their durability in harsh environments.

            Important Considerations and Precautions

            • Life Cycle Status: The REM543 series has entered the "Classic" or "Limited" phase of its life cycle (discontinued around 2022). Users should verify availability for new projects and consider modern alternatives like the Rex600 series for long-term support.

            • Installation Environment: Ensure the device is mounted in an enclosure that meets the necessary IP rating for the specific environment, as internal components are sensitive to dust and moisture.

            • Configuration Safety: Only qualified personnel should perform configuration and setting changes. Incorrect settings can lead to nuisance tripping or, more critically, failure to trip during a fault.

            • Electrical Safety: Always disconnect the power supply and short-circuit the current transformer (CT) secondary circuits before removing the relay from its case to prevent high-voltage hazards.

            • Battery Maintenance: The internal clock and CMOS memory are maintained by a battery; if the unit is unpowered for several weeks, the battery may need checking or recharging to avoid loss of time stamps.

            Product Applications

            The REM543BM212AAAA is widely utilized in demanding industrial and utility sectors.

            • Power Generation: Protection of generators in small to medium-sized hydroelectric, diesel, and steam power plants.

            • Large Motor Protection: Supervision of high-voltage motors driving critical equipment such as pumps, fans, compressors, mills, and crushers.

            • Substation Automation: Acts as a bay control unit for managing circuit breakers and disconnectors while providing full metering data to the control center.

            • Industrial Processes: Used in oil and gas, chemical, and mining industries where complex motor starting and thermal protection are vital to process stability.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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