Description
REM543 Machine Protection Terminal, Order‑code REM543CG214AAA
Brand: ABB
Model: REM543CG214AAA
Product Series: REM54x series rotating‑machine protection relay
Country of Origin: Finland
Product Type: Panel‑mount machine protection & control IED
Status: Legacy, discontinued production, spare‑part / refurbished supply onlyABB Group
Order‑code decoding:
- CG: Hardware variant, different I/O relay configuration vs CM‑version
- 214: Firmware function package (motor‑oriented protection set, without stator differential 87G)
- AAA: Communication & option set: SPA‑bus / Modbus‑RTU / IEC‑60870‑5‑103, IRIG‑B time sync
Key difference vs REM543CM216AAA: REM543CM216AAA includes generator‑oriented stator differential 87G protection; REM543CG214AAA is motor‑focused, no 87G differential function, different relay‑output quantity & assignment. Cannot direct drop‑in replacement without project re‑configuration.
REM543CG214AAA
Product Core Overview
The REM543CG214AAA is a numerical intelligent electronic device for medium‑voltage motor protection and control. It integrates protection algorithms, measurement, control logic, disturbance recording and multi‑protocol communication within single unit.
Mainly designed for large MV asynchronous motors (pumps, fans, mills, compressors). Supports overload thermal model, short‑circuit, earth‑fault, unbalance, stall, start‑up supervision, under‑current, over‑/under‑voltage, over‑/under‑frequency. Embedded event log, fault oscillography, trip‑circuit supervision and programmable logic. Supports SPA‑bus, Modbus‑RTU, IEC‑60870‑5‑103; IEC 61850 available via SPA‑ZC400 external gateway. Widely used in power plant auxiliary motors, mining, chemical plants, marine‑off‑shore; for spare‑part replacement of existing REM543 motor‑protection bay installationsABB Group.
Main Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model | REM543CG214AAA |
| Auxiliary supply | 110‑240 V AC / 110‑220 V DC, 50/60 Hz |
| CT rated input | 1 A / 5 A hardware selectable |
| VT rated input | 100‑120 V |
| Binary Inputs | 15 pcs opto‑isolated DI |
| Relay Outputs | 10 pcs Form‑C relays (trip‑circuit supervision supported, less than CM216AAA 12 relays) |
| Optional I/O | RTD‑module for stator‑winding / bearing temperature monitoring (Pt100, Ni120) |
| Communication | SPA‑bus, Modbus‑RTU, IEC‑60870‑5‑103; IEC 61850 via SPA‑ZC400 gateway |
| Time‑synchronization | IRIG‑B time‑input |
| Main protection functions | Over‑current, earth‑fault, overload thermal model, negative‑sequence unbalance, stall & start‑up supervision, under‑current, over‑/under‑voltage, over‑/under‑frequency; no stator differential 87G |
| Recording | Event sequence log, fault‑disturbance oscillography, trip‑circuit supervision |
| Mounting | Flush panel‑mount / 19‑inch rack‑mount |
| Dimension | 266 mm(H) × 144 mm(W) × 280 mm(D) |
| Weight | Approx. 3.4 kg |
| Front‑face rating | IP54; rear terminals IP20 |
| Operating temperature | −25 ℃ ~ +70 ℃ |
| Storage temperature | −40 ℃ ~ +85 ℃ |
| Humidity | 5‑95 %RH non‑condensing |
| Certifications | CE, IEC 60255, IEEE C37.90, marine‑off‑shore certification |
| Warranty | 12‑month |
REM543 series related models
- REM543CG214AAA: Motor‑oriented machine‑protection terminal, no 87G differential (reference model)
- REM543CM216AAA: Generator‑oriented version with stator differential 87G protection
- REM543CG212AAA: Alternative motor‑protection variant with different output‑relay mapping
- REM545: Enhanced‑version machine‑terminal with expanded function library
- REF543: Feeder protection terminal for line‑bay protection
- RET543: Transformer protection terminal
- SPA‑ZC400: Communication adapter for IEC 61850‑MMS protocol conversion
- CAP501 / CAP505: ABB configuration setting tool software for REM543 serieseero
REM543CG214AAA
Professional Quality Control & Test Standard Operating Procedure (SOP)
- Incoming Component Inspection Inspect main CPU board, CT/VT measuring modules, relay‑output units, communication circuits and back‑panel terminals. Verify components comply with ABB protection‑grade component specifications; reject non‑conforming components.
- PCB Assembly & Bench Functional Test After assembly, perform power‑on self‑test. Inject simulated CT/VT analogue signals to verify protection‑element pick‑up & timing accuracy. Test all binary‑input status acquisition, relay‑output trip‑action, local HMI display, event‑logging and oscillography storage function.
- Thermal Burn‑in Aging Test 72‑hour powered burn‑in test at 55 ℃ ambient. Run cyclic protection‑function simulation, continuous communication polling, frequent I/O toggling. Monitor thermal drift of measuring channels and communication stability, screen early‑failure defects.
- Environmental Compliance Validation Temperature cycling, vibration‑shock and EMC EMI/EMS testing comply with IEC 61000‑series and IEC 60255 standards, simulate power‑plant and marine‑site harsh‑interference environment.
- Full‑system integration test Connect with CT/VT simulator, SCADA master station. Test SPA‑bus / Modbus‑RTU / IEC‑60870‑5‑103 data exchange, IRIG‑B time‑synchronization, CAP501 tool parameter download‑upload, trip‑circuit supervision and fault‑recording export.
- Final calibration & batch‑sampling release Calibrate analogue‑measurement offset and protection‑element timing. 5 % random‑sample retest per batch. Record firmware revision, serial‑number and order‑code. Generate traceable factory‑test reports before labelling and shipment.
New‑unit Installation Guidelines
Safety note: This device connects to high‑voltage instrument‑transformer secondary circuits. Disconnect CT/VT secondary circuits and implement short‑circuit for CTs before installation‑maintenance to prevent electric‑shock hazard.
6.1 Pre‑installation Preparation
Switch‑off auxiliary power supply. Wear anti‑static wristband for ESD‑protection. Verify full order‑code , hardware‑revision and firmware version match original unit. Important: cannot directly replace CM216AAA without re‑checking protection‑function scope and relay‑wiring. Inspect device for mechanical damage, terminal pin deformation. Prepare shielded communication cables, CAP501 configuration software, CT/VT wiring diagram.
6.2 Hardware Panel‑mount Installation
Install REM543 into cabinet panel cut‑out, fasten mounting fixtures. Wire auxiliary DC/AC power supply, CT/VT secondary circuits, binary‑input field‑signals, trip‑relay output wiring strictly follow official drawing. Route signal cables separate from high‑power AC cables. Properly terminate cable shielding. CT secondary must be reliably short‑circuited before energizing primary equipment.
6.3 System Configuration & Commissioning
Power‑on the IED. Connect PC via SPA‑bus interface, launch CAP501 / CAP505 tool. Download application setting‑group: protection thresholds, motor rated‑parameters, logic‑scheme, binary‑I/O assignment, communication parameters and time‑synchronization mode. Perform protection‑element simulation‑test, verify pick‑up value, operate‑time and relay‑trip action. Confirm event‑log and oscillography recording function. Save complete setting‑file for offline‑backupeero.
6.4 Post‑installation Validation
Check front‑panel LED status. Verify analogue measured‑values (current, voltage, frequency, power). Test communication data consistency with upper SCADA system. Run continuous 4‑hour runtime test. Confirm no abnormal alarms, no false‑pick‑up of protection‑elements, complete commissioning acceptance.
Application Scenarios & Product Features
Application Scenarios
‑ Medium‑large MV asynchronous motor protection: pumps, fans, mills, compressors in power‑plant auxiliary system, chemical and mining industry ‑ Marine and offshore platform medium‑voltage motor protection ‑ Legacy ABB REM543 motor‑protection bay spare‑part replacement and retrofit projects
Core Features
‑ Complete motor‑oriented protection function‑library (without stator differential 87G) ‑ Built‑in thermal‑overload model, motor‑stall detection and cumulative start‑up counter ‑ 15 binary‑inputs +10 relay‑outputs; expandable RTD temperature‑monitoring for winding / bearing ‑ Embedded disturbance‑oscillography, event‑sequence logging, trip‑circuit supervision ‑ Multi‑protocol communication: SPA‑bus, Modbus‑RTU, IEC‑60870‑5‑103; IEC 61850 via external adapter ‑ IRIG‑B high‑precision time‑synchronization ‑ Built‑in programmable logic function for bay‑level interlocking logic ‑ Marine‑off‑shore certification for ship‑board and offshore‑platform deployment
Frequently Asked Questions (FAQ)
Q1: Device self‑supervision fault alarm after power‑on
A1: Check auxiliary‑supply voltage within rated range. Review self‑supervision fault‑code on local HMI. Confirm firmware‑version compatibility with hardware. Perform full power‑cycle reset. If alarm persists return unit for hardware inspection.
Q2: Can directly replace REM543CM216AAA?
A2: Physical dimension same, but function package differs: CG214 has no stator differential 87G protection, relay‑output quantity is different. Direct hardware swap is prohibited; must re‑evaluate protection scope, re‑wire relay terminals and re‑download complete setting‑file before commissioning.
Q3: Protection element mis‑operation or refuse‑to‑operate under simulation test
A3: Check CT/VT wiring polarity and connection integrity. Verify setting‑group parameters match actual motor rating. Confirm CT rated‑value (1 A /5 A) hardware jumper matches setting. Re‑calibrate analogue measuring channels via CAP505 tool.
Q4: Communication cannot connect with SCADA host
A4: Verify baud‑rate, station‑address and protocol‑mode setting. Check shield‑grounding of communication cable. Confirm wiring polarity of RS485 bus. Check bus‑terminator resistor installation. Review communication‑diagnostic counters in IED.
Q5: No disturbance‑record file after fault‑trip
A5: Confirm disturbance‑recording trigger‑conditions are enabled in setting‑group. Check storage‑resource status. Download records via CAP505 software; do not rely only on front‑panel operation.
Q6: What routine maintenance is required for protection IED?
A6: Every 6‑12 months inspect cabinet ventilation and dust accumulation; check terminal‑screw tightness. Regularly backup setting‑files. Periodically review self‑supervision alarm‑log and event‑history. Avoid long‑term over‑temperature cabinet‑environment. Do not clean circuit‑board by liquid solvent.
Start Chat
Send an Email
