TheCMA125 3DDE300405 (Synpol D)is a specialized, industrial-grade Generator Control Interface Card engineered by ABB for high-reliability deployment withinSynpol Dgenerator excitation frameworks and power generation setups.
Technical Specifications
Manufacturer: ABB
System Series Family: Synpol D Power Generation & Excitation Platform
Model Number Designation:CMA125
Global Part Number / Product ID:3DDE300405
Device Classification: Isolated Multi-Channel Generator Control Interface Card
Input Feed Voltage: 24 V DC nominal
Power Consumption Rating: 10 W total internal draw
Isolated Output Channels: 4 independent pathways
Current Load Envelope: 2 A maximum per individual output line
Output Switching Power: 250 VA per output channel capacity
Telemetry Communication Protocol: Modbus RTU architecture
Serial Transmission Baud Rate: Fixed/Baseline 9600 baud
Ambient Operating Temperature Envelope: -20°C to +70°C (-4°F to +158°F)
Storage Thermal Boundaries: -40°C to +85°C (-40°F to +185°F)
Relative Humidity Tolerance: 0% to 95% RH (Non-condensing)
Physical Ingress Shielding: IP20 rated enclosure index
Product Net Weight: 0.2 kg (Approx. 0.44 lbs)
Physical Card Dimensions (W x H x D): 127 mm x 178 mm x 25 mm (5.0" x 7.0" x 1.0")
Industrial Application Scenarios
TheCMA125 3DDE300405 (Synpol D)generator card is primarily installed within automatic voltage regulator (AVR) panels, gas/steam turbine control systems, and synchronizer cabinets in heavy power plants. In these installations, the card handles the high-stakes interface between the sensitive, low-voltage PLC logic plane and high-power generator components like field breakers, emergency trip solenoids, and cooling pump starters. By keeping the 4 output lines completely isolated from one another, the card ensures that an inductive short circuit or lightning strike on one field breaker cannot feed back into the card and wipe out the rest of the control network.
