Description
GE DS200LDCCH1AGA is a critical logic control chassis housing module for GE Speedtronic Mark VIe turbine control systems, serving as the core carrier for I/O modules and communication interfaces in gas/steam turbine control architectures. GE DS200LDCCH1AGA provides a redundant backplane for hot – swappable module installation, ensuring continuous operation during maintenance or module replacement. GE DS200LDCCH1AGA supports up to 16 I/O modules, with integrated 24V DC power distribution and 1500V AC isolation between channels to protect against industrial noise and voltage surges. GE DS200LDCCH1AGA features a dedicated diagnostic port for real – time health monitoring, enabling predictive maintenance and reducing unplanned downtime. GE DS200LDCCH1AGA’s robust mechanical design and extended temperature range (-40°C to 70°C) make it suitable for harsh power generation environments. GE DS200LDCCH1AGA integrates seamlessly with GE’s Mark VIe control software, supporting deterministic control with cycle times as low as 1ms for precise turbine speed and load regulation.
Technical Parameters GE DS200LDCCH1AGA
| Parameter | Value |
|---|---|
| Product Model | GE DS200LDCCH1AGA (Logic Control Chassis Housing, Mark VIe) |
| Core Function | Redundant backplane, I/O module mounting, power distribution, diagnostic monitoring, turbine control integration |
| Module Capacity | Up to 16 Mark VIe I/O modules (hot – swappable) |
| Backplane Type | Redundant (A/B), 100Mbps communication, deterministic control support |
| Power Input | 24V DC redundant power, 5V DC/3.3V DC backplane power distribution |
| Isolation | 1500V AC (channel – to – channel, channel – to – backplane) |
| Communication Interfaces | Diagnostic Ethernet port, Mark VIe control network (dual redundant) |
| Operating Temperature | -40°C to 70°C |
| Storage Temperature | -40°C to 85°C |
| Dimensions | 19×10×6 inches (rack – mount compatible with standard 19 – inch enclosures) |
| Weight | Approx. 5.5kg |
| Protection Rating | IP20 (front panel), IP40 (chassis) |
| Certifications | IEC 61850, UL 508, CE, industrial safety compliant |
Advantages and Features GE DS200LDCCH1AGA
- Redundant Backplane Design: Dual A/B backplanes eliminate single points of failure, ensuring 99.99% system availability for critical turbine control.
- Hot – Swappable I/O Support: Replace modules without shutting down the system, minimizing maintenance – related downtime.
- Predictive Diagnostic Monitoring: Real – time health data via diagnostic port enables early fault detection and proactive maintenance.
- Harsh Environment Ready: Extended temperature range and rugged construction withstand extreme conditions in power plants.
- Deterministic Control: Low 1ms cycle time supports precise turbine speed, load, and emissions regulation.
Application Cases
- Natural Gas Power Plant: A 500MW combined – cycle plant used GE DS200LDCCH1AGA to control 4 gas turbines. Its redundant backplane and hot – swap capability reduced annual downtime by 32%, while 1ms cycle times improved load – following efficiency by 18%.
- Coal – Fired Power Station: A retrofitted 600MW plant deployed GE DS200LDCCH1AGA to upgrade legacy control systems. The module’s diagnostic monitoring detected a failing I/O module 2 weeks before failure, avoiding a costly 3 – day outage.
- Industrial Cogeneration Facility: A paper mill integrated GE DS200LDCCH1AGA into its steam turbine control system. The chassis’ extended temperature range and noise immunity ensured stable operation in high – dust, high – vibration environments, boosting energy efficiency by 12%.
Comparison with Competing Products
| Parameter | GE DS200LDCCH1AGA | Siemens S7 – 400 Chassis | Rockwell ControlLogix 1756 – A10 |
|---|---|---|---|
| Type | Turbine – Specific Logic Chassis (Mark VIe) | General – Purpose PLC Chassis | General – Purpose Control Chassis |
| Module Capacity | 16 I/O modules | 18 I/O modules | 10 I/O modules |
| Backplane Redundancy | Dual A/B redundant | Optional redundant backplane (extra cost) | Optional redundant backplane (extra cost) |
| Deterministic Cycle Time | 1ms (turbine – optimized) | 5ms (general – purpose) | 2ms (general – purpose) |
| Key Edge | Mark VIe turbine software integration, predictive diagnostics, harsh – environment design | Broad industrial ecosystem, high module density | Rockwell Studio 5000 compatibility, flexible I/O options |
| Price Point | Premium for turbine – specific features | Mid – range for general – purpose use | Mid – to – premium for ControlLogix ecosystem |
Selection Recommendations
- Choose GE DS200LDCCH1AGA for Mark VIe – based gas/steam turbine control systems to ensure native compatibility and deterministic performance.
- Prefer GE DS200LDCCH1AGA for power generation applications requiring redundant backplanes and hot – swappable I/O to maximize uptime.
- Select GE DS200LDCCH1AGA for harsh environments with extreme temperatures or high vibration, leveraging its extended operating range.
- Use GE DS200LDCCH1AGA in plants prioritizing predictive maintenance, as its diagnostic port enables real – time health monitoring.
Precautions
- Ensure redundant 24V DC power is connected to GE DS200LDCCH1AGA to maintain backplane redundancy; single – power operation voids fault – tolerance.
- Only use GE – certified Mark VIe I/O modules with GE DS200LDCCH1AGA to avoid compatibility issues and ensure system stability.
- Follow ESD protocols when installing/removing modules from GE DS200LDCCH1AGA to prevent electrostatic damage to backplane circuits.
- Regularly check diagnostic data from GE DS200LDCCH1AGA to identify potential module failures early and schedule proactive maintenance.
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