ABB CMA120 3DDE300400 Synpol D Basic Controller Panel, Generator Control Operator Unit, Power Plant Turbine & Generator Automation Spare Part

Description

ABB CMA120 3DDE300400 Synpol D Basic Controller Panel, Generator Control Operator Unit, Power Plant Turbine & Generator Automation Spare Part

Product Application

CMA120 is the basic controller operator panel for ABB Synpol D generator control system. It integrates local human-machine interface and control logic for generator protection, monitoring and manual operation. It performs real-time display of generator voltage, current, power and frequency, local setpoint adjustment, alarm indication and manual control commands for generator units.

• Thermal power plant generator local control cabinet operation
• Hydropower station synchronous generator on-site monitoring and manual control
• Combined cycle power unit Synpol D generator control system
• Power plant generator protection and local operator interface
• Retrofit and spare replacement for legacy ABB Synpol D control systems
• Generator local manual synchronisation and load adjustment

CMA120

Specifications

• Part Number: CMA120, 3DDE300400
• Brand: ABB
• Product Type: Synpol D Basic Controller Operator Panel
• Compatible System: ABB Synpol D Generator Control System
• Mounting: Cabinet front panel cutout mounting
• Dimension: 287 × 240 × 200 mm
• Weight: Approx. 5.76 kg
• Power supply: 220V AC auxiliary power supply
• Front panel: LCD display + membrane keyboard, LED status indicators
• Rear interface: Multi-pin rear connectors for control signal and communication wiring
• Protection Class: IP20 for cabinet body; front panel IP54
• Condition: Original new / refurbished spare available
• Compliance: CE, IEC power generation control standard

Parameters

• Display: Built-in LCD screen for generator process values and alarm messages
• Operation: Membrane function keys for parameter setting, manual operation and alarm reset
• Communication: Internal bus for data exchange with Synpol D control boards
• Function: Generator measurement data display, local manual control, alarm & event logging
• Operating Temperature: -20°C ~ +60°C
• Storage Temperature: -40°C ~ +85°C
• Relative Humidity: 5%~95% RH, non-condensing
• Shock & Vibration: Comply with IEC 60068 power plant vibration standard
• Status Indicator: Multiple LED indicators for power, running, fault and alarm status
• Diagnostic: Built-in self-diagnosis for panel hardware and communication fault

Key Features

1. Dedicated local operator controller panel for ABB Synpol D generator control system
2. Integrated LCD display and membrane keyboard, supports on-site generator manual operation and parameter modification
3. Real-time monitoring of generator electrical parameters, alarm message display and event recording
4. Reliable rear multi-pin connector design for connection with Synpol D internal control modules
5. Industrial robust mechanical housing, suitable for power plant control cabinet environment
6. Panel cutout mounting, easy installation and replacement on cabinet door
7. Local manual control function, can perform generator synchronisation and load regulation on site
8. Critical spare for legacy Synpol D generator control cabinets in power stations

CMA120

ABB Same Series Related Models (≥6)

1. CMA120 3DDE300400
2. CMA110
3. CMA140
4. UFC760BE142
5. UFC719AE01
6. UFC721AE
7. UFC706AE01

Maintenance

• Routine inspection: Check LCD display, membrane keys, LED indicators and rear connectors every 6–12 months
• Clean front panel surface with soft dry cloth; do not use strong solvent to avoid damaging membrane keypad
• ESD protection must be adopted during disassembly, anti-static wristband required
• If display blank or communication loss occurs, power off and check power supply and rear wiring connectors
• Do not energize the unit if housing corrosion or water ingress is found
• We support function testing, refurbishment and spare replacement service for this CMA120 Synpol D controller panel

Installation

1. Cut off 220V AC auxiliary power supply and control signal power before replacement.
2. Wear anti-static wristband to prevent electrostatic damage to internal circuit components.
3. Remove old CMA120 panel from cabinet cutout, mark all rear multi-pin cables before disconnecting.
4. Fit new into cabinet cutout and fasten mounting screws evenly.
5. Reconnect all rear signal and power connectors strictly according to marking.
6. Restore auxiliary power supply.
7. Boot up panel, verify LCD display, key operation and communication with Synpol D control system.
8. Test local manual control, alarm function and generator parameter reading, complete commissioning.