Overview
The ABB 720083 critical speed card module is a specialized control component designed for industrial turbine systems. Designated as model AE 25016/29 K2, this module serves as a PC board add-on component within turbine controller platforms. The ABB 720083 integrates speed sensing and monitoring capabilities essential for critical power generation and mechanical drive applications where precise rotational speed control is paramount.
Key Features
- Dedicated critical speed card for ABB STAL turbine controller systems
- Compact PC board design optimized for industrial control cabinets
- Proven reliability in power generation and turbine drive applications
- Drop-in replacement capability for legacy system upgrades
- Straightforward module integration into existing control architectures
Technical Specifications
- Part Number: 720083 / 720083-1
- Module Designation: AE 25016/29 K2
- Module Type: Critical Speed Card
- Classification: PC Board PLC/Add-On Board
- Weight: 0.51 lbs (0.23 kg)
- Manufacturer Status: Discontinued
- Board Position: POS 4.37
Typical Applications
The ABB 720083 critical speed card is utilized in:
- Fossil fuel and renewable power plant turbine control systems
- Industrial compressor and pump speed regulation
- Multi-stage turbine speed monitoring and protection
- Emergency overspeed shutdown and safety systems
- Generator and motor-driven turbine applications
Compatibility & Replacements
The ABB 720083 is compatible with ABB STAL turbine controller platforms and serves as a direct replacement for original critical speed card installations. Variants including the K2 and K3 designations are available. When replacing legacy critical speed cards, ensure that the AE 25016/29 series designation matches your turbine controller model revision to guarantee proper signal conditioning and speed threshold functionality. Consult system documentation or contact technical support to verify board position and connector compatibility for your specific turbine controller frame size.










