GE DS215UDSAG1AZZ01A
Product Name: GE Fanuc DS215UDSAG1AZZ01A Digital I/O & Overspeed Protection Module
Overview: The DS215UDSAG1AZZ01A is a high-reliability digital I/O and overspeed protection module used in GE Mark V and Mark VI turbine control platforms. It consolidates critical digital inputs, processing logic, and protective response circuits into a single assembly, enabling the turbine system to react rapidly to abnormal rotational or operational conditions.
Detailed content
Technical Specifications:
- Module Type: Digital I/O & Overspeed Protection Module
- System Platform: GE Mark V / Mark VI
- Digital Inputs: 24 VDC logic-level inputs, optically isolated
- Protection Features: Overspeed detection, fault-state annunciation, latch logic
- Internal Processing: ASIC-based signal conditioning and logic sequencing
- Input Power: 24 VDC nominal
- Operating Temperature: 0 °C to +60 °C
- Storage Temperature: –40 °C to +85 °C
- Vibration Rating: Turbine-grade industrial rating
- Dimensions: 330 × 160 × 40 mm
- Weight: 1.25 kg
- Mounting: Standard Mark V / VI chassis-mount configuration
Features: Fast overspeed response to reduce turbine risk; optically isolated digital channels for improved noise immunity and prevention of false triggering; field-proven reliability in continuous-duty older units; stable thermal performance under dense rack thermal loads; predictable diagnostics for straightforward troubleshooting; mechanical durability for long-term service in high-vibration turbine compartments.
Applications: Gas and steam turbine overspeed protection; safety logic processing in turbine control systems; redundant digital input acquisition; retrofit or replacement in aging Mark V enclosures; high-reliability system monitoring in power generation plants; protection logic bridging between controllers and field devices.
Installation & Usage Notes: Factory-configured for turbine service — no field calibration required; initial overspeed processing is performed locally, with final action integrating into system logic; inputs are polarity-protected but correct wiring is recommended to avoid latch faults; on power loss the module enters a defined safe-state required by the control system; internal surge protection is designed in for industrial power disturbances; primarily for Mark V / Mark VI systems — not directly usable in Mark VIe.












