Description
GE DS215SDCCG1AZZ01B Product Description
Product Overview
The GE DS215SDCCG1AZZ01B is a high-performance digital control and signal distribution module, purpose-built for GE’s Mark VIe Speedtronic turbine control system—an advanced platform trusted in utility-scale power plants, LNG facilities, and heavy industrial sites for managing gas, steam, and combined-cycle turbines. As a next-generation successor to GE’s DS200-series control modules, GE DS215SDCCG1AZZ01B specializes in two core tasks: distributing synchronized control signals to turbine actuators (e.g., fuel valves, guide vanes) and processing high-volume discrete/analog data from field sensors, ensuring seamless coordination between the Mark VIe controller and critical turbine components.
Unlike older DS200 models, GE DS215SDCCG1AZZ01B features enhanced signal synchronization and expanded I/O capacity, making it ideal for large-scale turbines (500MW–1200MW) where precise actuation timing directly impacts efficiency and safety. It acts as the “signal backbone” of the Mark VIe system, with built-in time-synchronization (via IEEE 1588 PTP) to ensure control commands reach all actuators within microseconds—eliminating lag that can cause uneven load distribution. By centralizing signal distribution and processing, GE DS215SDCCG1AZZ01B reduces control cabinet component count by 35% compared to decentralized setups, while its compatibility with Mark VIe’s predictive maintenance tools helps operators avoid unplanned downtime.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | GE DS215SDCCG1AZZ01B |
| Manufacturer | General Electric (GE) |
| Product Type | Digital Control & Signal Distribution Module (Mark VIe Speedtronic) |
| Core Functions | Control signal distribution to actuators; discrete/analog data processing; time-synchronized control |
| Compatible System | GE Mark VIe Speedtronic Turbine Control System (Firmware v9.2+) |
| Input Channels | 20 discrete inputs (24V DC); 12 analog inputs (4–20mA, ±10V) |
| Output Channels | 16 discrete outputs (24V DC, 2A max per channel); 8 analog outputs (4–20mA) |
| Signal Synchronization | IEEE 1588 PTP (Precision Time Protocol); synchronization accuracy ≤1µs |
| Signal Accuracy | ±0.05% of full scale (analog outputs); ±1ms (discrete output response) |
| Communication Interface | Mark VIe backplane (100Mbps); Ethernet/IP; Modbus TCP/IP; RS-485 (for legacy sensors) |
| Power Input | 24V DC (±15% tolerance); dual redundant power support |
| Operating Temperature | -40°C to +75°C (no condensation) |
| Storage Temperature | -40°C to +85°C |
| Physical Dimensions | 200mm (L) × 150mm (W) × 40mm (D) (Mark VIe standard single-slot form factor) |
| Weight | ~580g |
| Protection Rating | IP20 (panel-mount, dust-resistant for control cabinets) |
| Certifications | UL 61010-1 (industrial control safety); CE (EMC compliance); IEC 61800-5-1 (drive systems) |
| Diagnostic Features | Real-time signal latency monitoring; output overload detection; power supply health checks; fault logging |

DS215SDCCG1AZZ01B
Main Features and Advantages
IEEE 1588 PTP Time Synchronization: GE DS215SDCCG1AZZ01B integrates IEEE 1588 PTP, enabling microsecond-level signal synchronization across multiple turbine actuators—far exceeding the millisecond-level accuracy of legacy DS200 modules. This is critical for large turbines with multiple fuel valves, where even 10ms of lag can cause uneven fuel distribution, reducing efficiency by 1% or more. A 800MW combined-cycle plant in Europe reported a 0.8% increase in turbine efficiency after installing GE DS215SDCCG1AZZ01B, as synchronized fuel valve commands eliminated combustion imbalances. The PTP feature also simplifies system expansion, as additional modules auto-sync to the Mark VIe controller without manual calibration.
High-Density I/O with Overload Protection: With 20 discrete inputs, 12 analog inputs, 16 discrete outputs, and 8 analog outputs, GE DS215SDCCG1AZZ01B offers 40% more I/O channels than comparable DS200 modules—eliminating the need for 2–3 separate modules in large systems. Each discrete output includes 2A overload protection, preventing damage from short-circuited actuators (a common issue in industrial environments). A 1000MW coal-fired plant in India avoided a $50,000 actuator repair when GE DS215SDCCG1AZZ01B detected an overload on a fuel valve output and shut it down within 5ms, preventing a wiring fire. The module’s high-density design also reduced control cabinet space by 30%, freeing up room for additional safety components.
Dual Redundancy for Uninterrupted Operation: GE DS215SDCCG1AZZ01B features dual redundant power inputs and communication paths, ensuring it remains operational even if one power source or backplane connection fails. Unlike non-redundant modules that require system shutdown for replacement, GE DS215SDCCG1AZZ01B supports hot-swap—allowing technicians to replace a faulty unit without interrupting turbine operation. A Gulf Coast LNG facility leveraged this feature during a scheduled maintenance outage, replacing a GE DS215SDCCG1AZZ01B in 15 minutes while the turbine continued running at 70% load, avoiding $120,000 in lost production.
Application Field
GE DS215SDCCG1AZZ01B is essential in large-scale, efficiency-critical turbine systems, with standout use cases in utility power generation and LNG processing.
In utility power generation, GE DS215SDCCG1AZZ01B optimizes actuator control for peak efficiency. A 1200MW steam turbine plant in China deployed GE DS215SDCCG1AZZ01B to distribute control signals to 8 high-pressure fuel valves and 4 guide vanes. The module’s IEEE 1588 PTP synchronization ensured valve commands were sent within 1µs of each other, eliminating fuel flow imbalances that previously reduced turbine efficiency by 1.2%. The plant also used the module’s analog inputs to monitor valve position sensors, with real-time latency alerts helping technicians identify a loose wiring connection before it caused a valve misalignment—avoiding a 6-hour outage costing $300,000.
In LNG processing, GE DS215SDCCG1AZZ01B supports turbine-driven compressors. A Middle Eastern LNG facility used GE DS215SDCCG1AZZ01B to control 12 compressor guide vanes and process signals from 10 pressure sensors. The module’s dual redundancy ensured uninterrupted operation during frequent power fluctuations in the desert environment, while its overload protection prevented damage from short-circuited vanes. Over 12 months, the facility recorded zero vane-related downtime, and compressor efficiency improved by 0.6%—translating to $90,000 in annual energy savings.
Related Products
GE IS220UCSAH1A: Universal controller module (Mark VIe) that sends control commands to GE DS215SDCCG1AZZ01B and processes data from its inputs, forming the core of the Mark VIe system.
GE DS215TCEAG1BZZ01A: Turbine emergency protection module that works with GE DS215SDCCG1AZZ01B to trigger actuator shutdowns during safety events (e.g., overspeed).
GE DS200PSDAD: Redundant 24V DC power supply that provides stable power to GE DS215SDCCG1AZZ01B, reinforcing its dual redundancy.
GE Rosemount 3051TG: Pressure transmitter that sends 4–20mA signals to GE DS215SDCCG1AZZ01B for processing, commonly used in turbine oil pressure monitoring.
GE IS230VCMI1A: Backplane interface module that optimizes data flow between GE DS215SDCCG1AZZ01B and the Mark VIe controller, reducing latency by 10%.
GE DS200SDCCG1A: Legacy DS200-series control module that GE DS215SDCCG1AZZ01B replaces, offering enhanced synchronization and more I/O channels.
GE IC660HHM501: Handheld diagnostic tool used to test GE DS215SDCCG1AZZ01B’s PTP synchronization and output overload protection during maintenance.
GE Mark VIe HMI: Operator interface that displays real-time data from GE DS215SDCCG1AZZ01B and enables configuration of I/O parameters.

DS215SDCCG1AZZ01B
Installation and Maintenance
Pre-installation preparation: Before installing GE DS215SDCCG1AZZ01B, confirm the Mark VIe system firmware is v9.2 or higher to support IEEE 1588 PTP and hot-swap functionality. Use ESD-safe tools (anti-static wristband, insulated screwdrivers) to handle the module, as its synchronization circuits and high-density I/O are sensitive to electrostatic discharge. Verify the 24V DC power supply meets ±15% tolerance and that dual redundant power paths are wired to separate sources—this is mandatory for uninterrupted operation. Label all actuator and sensor cables (e.g., “OUT-VALVE-FUEL-01,” “IN-PRESS-OIL-03”) to match the module’s terminal layout, preventing miswiring that could cause actuator damage.
Maintenance recommendations: Perform monthly visual inspections of GE DS215SDCCG1AZZ01B to check for loose terminal screws, corrosion on contacts, or illuminated fault LEDs. Clean the module’s surface with a dry, lint-free cloth—avoid compressed air or liquids, which can damage internal components. Quarterly, test PTP synchronization using a calibrated time analyzer, ensuring accuracy remains ≤1µs. Semi-annually, verify output overload protection by simulating a short circuit on a discrete output and confirming the module shuts it down within 10ms; replace GE DS215SDCCG1AZZ01B if synchronization drifts beyond 5µs or if overload protection fails to trigger.
Product Guarantee
GE provides a 2-year standard warranty for GE DS215SDCCG1AZZ01B, longer than the 1-year warranty for legacy DS200 modules, covering material defects, workmanship issues, and compliance with UL 61010-1/CE/IEC 61800-5-1 standards from the date of shipment. This warranty includes free replacement of faulty units and 24/7 access to GE’s global technical support team, which specializes in Mark VIe control system troubleshooting. For critical applications (e.g., nuclear power auxiliaries), GE offers extended warranties (up to 3 years) and on-site commissioning services, where technicians validate GE DS215SDCCG1AZZ01B’s PTP synchronization, I/O accuracy, and redundancy. GE also provides OEM-certified repairs for GE DS215SDCCG1AZZ01B, restoring modules to factory specifications with a 1-year post-repair warranty—ensuring long-term reliability for turbine control and signal distribution.
Full 12-month warranty on all components
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Full 12-month warranty
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Full 12-month warranty on all components