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- DS6815PCLG1B1A (DS6800CCIC1F1C+DS6800CCIE1E1D)
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- 270 × 185 × 32 mm
- 0.68 kg
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Product Overview
The GE DS6815PCLG1B1A is a specialized circuit board used in GE turbine control systems, particularly within legacy Speedtronic control architectures. The assembly is associated with the DS6800CCIC1F1C and DS6800CCIE1E1D daughterboards and is commonly identified as an ISA serial communication and turbine control board.
The board provides an interface between the turbine control computer and other electronic control-system components. By combining the main board with its associated daughterboards, the DS6815PCLG1B1A can support communication, control-data processing, and system interface functions required by the host turbine control architecture.
Unlike a simple digital I/O module, the DS6815PCLG1B1A is part of the computing and communication layer of the control system. Its ISA-based architecture reflects the design of earlier industrial turbine control computers, where dedicated expansion boards were used to provide communication and application-specific processing capabilities.
The DS6815PCLG1B1A is particularly relevant to maintenance teams supporting legacy GE turbine installations. Since these systems can remain in operation for many years, accurate identification of the complete assembly and its daughterboards is important when replacing or servicing the board.
The complete assembly specified for this product is DS6815PCLG1B1A (DS6800CCIC1F1C + DS6800CCIE1E1D).
The specified physical dimensions are 270 × 185 × 32 mm, and the specified weight is 0.68 kg.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | GE General Electric |
| Model | DS6815PCLG1B1A |
| Associated Boards | DS6800CCIC1F1C + DS6800CCIE1E1D |
| Product Type | ISA Serial Communication / Turbine Control Board |
| Board Family | DS6800 / DS6815 |
| System Application | GE turbine control systems |
| Control Architecture | Legacy computer-based turbine control |
| Bus Architecture | ISA-based interface |
| Primary Function | Serial communication and control-system interfacing |
| Processing Role | Control data and communication processing |
| Interface Type | Serial communication interface |
| Assembly Configuration | Main board with two associated daughterboards |
| Application | Industrial turbine automation |
| Installation | Control computer / industrial chassis |
| Dimensions | 270 × 185 × 32 mm |
| Weight | 0.68 kg |
| Service Application | Maintenance, replacement and system restoration |
| Operating Environment | Industrial power-generation systems |
What Is the GE DS6815PCLG1B1A?
The GE DS6815PCLG1B1A is an ISA-based serial communication and turbine-control circuit board assembly. It is associated with GE’s legacy turbine control computer architecture and incorporates two smaller daughterboards identified as DS6800CCIC1F1C and DS6800CCIE1E1D.
The board is designed to provide communication and control-system interface functions within the turbine control computer. It can exchange information between the control computer and other system components, allowing turbine operating data, commands, status information, and diagnostic information to move through the control architecture.
The assembly should be considered as a complete configured unit rather than simply a generic ISA circuit board. The associated daughterboards are part of the specified configuration and can be important to the board’s overall functionality.
For replacement purposes, technicians should therefore verify the complete identification rather than matching only the main PCB.
Function and Working Principle
The basic role of the DS6815PCLG1B1A is to provide a communication and interface path between the turbine control computer and connected control-system equipment.
A simplified architecture can be represented as:
Turbine Sensors / Control Devices → Control Computer → DS6815PCLG1B1A → Serial Communication → External Control Components
The control computer processes turbine operating information and generates control commands. The DS6815PCLG1B1A provides the required interface for transferring this information through serial communication channels.
The daughterboards contribute additional interface and communication circuitry to the main assembly. Together, the boards form a configured communication subsystem.
Typical functions associated with this type of control assembly include:
- Serial data communication
- Control-system interfacing
- Data exchange between control computers and external devices
- Status information transfer
- Diagnostic communication
- Control command transmission
- Interface expansion
- System communication management
The exact communication channels and connected equipment depend on the turbine control system configuration.
Role in GE Turbine Control Systems
The DS6815PCLG1B1A operates as part of a larger turbine control architecture rather than as a standalone PLC controller.
A turbine control system typically combines measurement hardware, control processors, communication interfaces, actuator interfaces, and operator displays.
A simplified control structure can be represented as:
Field Measurements → Input Processing → Control Computer → Communication Interface → Control Outputs → Turbine Equipment
The DS6815PCLG1B1A contributes to the communication layer of this architecture.
Reliable communication is essential because turbine control decisions depend on the timely exchange of operating information. Data may include speed, temperature, pressure, valve position, operating status, alarm conditions, and control commands.
By providing a dedicated serial communication interface, the board supports the movement of this information between different portions of the turbine control system.
DS6800 Daughterboard Configuration
A significant feature of the DS6815PCLG1B1A is its associated daughterboard configuration.
The specified assembly includes:
| Board | Role | Relationship |
|---|---|---|
| DS6815PCLG1B1A | Main Circuit Board | Primary assembly |
| DS6800CCIC1F1C | Associated Daughterboard | Mounted as part of the configured assembly |
| DS6800CCIE1E1D | Associated Daughterboard | Mounted as part of the configured assembly |
These daughterboards are not simply optional accessories. They are part of the specified configuration of the DS6815PCLG1B1A identified in this product assembly.
When replacing the board, the presence, revision, and condition of both daughterboards should therefore be checked.
ISA-Based Control Architecture
The DS6815PCLG1B1A uses an ISA-based architecture associated with earlier generations of industrial computer hardware.
ISA, or Industry Standard Architecture, was widely used in industrial computing systems before modern PCI and embedded industrial communication architectures became dominant.
In legacy turbine-control equipment, ISA expansion boards provided a practical method of adding communication and application-specific functions to an industrial computer.
The DS6815PCLG1B1A reflects this earlier architecture and is therefore particularly relevant to maintenance of older turbine control systems.
Because modern control systems use different bus architectures, a modern serial communication card should not automatically be considered a substitute for this board.
Industrial Applications
The GE DS6815PCLG1B1A is primarily associated with industrial turbine control applications.
Typical environments can include:
- Gas turbine control systems
- Steam turbine control systems
- Power-generation plants
- Industrial generator systems
- Combined-cycle power plants
- Utility power-generation facilities
- Cogeneration systems
- Legacy GE turbine automation installations
- Speedtronic turbine control environments
- Industrial turbine monitoring systems
In these applications, reliable communication between the control computer and external system components is essential for coordinated turbine operation.
Compatible System Components
The DS6815PCLG1B1A is normally integrated with multiple components within the turbine control architecture.
| Component | Type | Typical Function |
|---|---|---|
| DS6815PCLG1B1A | ISA Communication Board | Serial communication and system interfacing |
| DS6800CCIC1F1C | Daughterboard | Associated communication/interface function |
| DS6800CCIE1E1D | Daughterboard | Associated communication/interface function |
| Turbine Control Computer | Industrial Computer | Main control processing |
| Serial Communication Devices | Communication Equipment | Data exchange |
| I/O Boards | Signal Interface | Field signal acquisition and output |
| Terminal Boards | Field Interface | Field wiring termination |
| Control Processors | Processing Hardware | Turbine control algorithms |
| Operator Interface | HMI | Monitoring and operation |
| Protection System | Protection Hardware | Overspeed and abnormal-condition protection |
| Turbine Sensors | Instrumentation | Speed, pressure, temperature and other measurements |
These components work together to form a complete turbine control and monitoring system.
Installation and System Integration
Installation of the DS6815PCLG1B1A should be performed by qualified industrial control technicians who understand the associated GE turbine control architecture.
Because the board is installed in a control computer or industrial chassis, mechanical positioning and connector orientation are important.
A general replacement procedure includes:
- Place the turbine control system in the approved maintenance condition.
- Follow all site electrical isolation and lockout procedures.
- Verify that the relevant control power has been removed.
- Identify the installed DS6815PCLG1B1A assembly.
- Record the complete part number.
- Record the chassis and slot position.
- Document all connected cables.
- Record the configuration of the associated daughterboards.
- Inspect the replacement assembly before installation.
- Verify that the DS6800CCIC1F1C and DS6800CCIE1E1D boards are correctly installed.
- Check the board edge connector and mounting points.
- Install the board in the correct ISA slot.
- Secure the board properly.
- Reconnect communication and interface cables.
- Verify cable routing.
- Check grounding and shielding.
- Restore control power according to the approved procedure.
- Verify board initialization.
- Check communication status.
- Verify data exchange with associated devices.
- Confirm turbine control-system operation.
- Complete the required commissioning checks.
The actual installation procedure should be adapted to the specific GE turbine control computer and site maintenance requirements.
Communication Wiring Considerations
Communication wiring is one of the most important areas to inspect when installing or replacing the DS6815PCLG1B1A.
Before removing an existing board, technicians should document:
- Cable locations
- Connector numbers
- Communication-channel assignments
- Board slot position
- Daughterboard orientation
- Ground connections
- Shield connections
Incorrect communication wiring can prevent the board from exchanging data with external control components even when the board itself is functioning correctly.
Maintenance and Troubleshooting
Troubleshooting the DS6815PCLG1B1A should begin by determining whether the problem originates from the board, its daughterboards, the control computer, or the connected communication network.
| Observed Condition | Possible Area to Check |
|---|---|
| Board not recognized | ISA slot, board seating, power or hardware |
| No communication | Cable, connector, serial interface or configuration |
| Intermittent communication | Connector, cable, noise or board hardware |
| One communication channel fails | Channel interface, cable or daughterboard |
| Multiple channels fail | Board power, main board or common communication circuit |
| System reports communication alarms | Network, board, configuration or connected equipment |
| Control data unavailable | Communication interface or control computer |
| Unexpected data | Configuration, channel assignment or interface problem |
| System fails after board replacement | Incorrect board configuration, slot, daughterboard or cabling |
A useful diagnostic sequence is:
Power → ISA Slot → Board Recognition → Daughterboards → Communication Interface → Cable → External Device → System Configuration
This approach helps technicians identify the actual source of a communication failure before replacing the entire assembly.
Board Recognition Troubleshooting
If the control computer does not recognize the DS6815PCLG1B1A, the first step should be to verify the physical installation.
Check:
- Correct ISA slot
- Board seating
- Connector condition
- Power availability
- Board identification
- Daughterboard installation
- Control computer configuration
A board that is not fully seated in the ISA connector can produce complete communication failure even when the PCB itself is healthy.
Serial Communication Troubleshooting
If the board is recognized but serial communication does not work, technicians should inspect the communication path step by step.
The diagnostic path should include:
Board Interface → Cable → Connector → External Device → Communication Configuration → System Software
Possible causes include:
- Incorrect cable connection
- Damaged communication cable
- Loose connector
- Incorrect channel assignment
- Incorrect communication parameters
- Faulty daughterboard
- Board-level interface failure
- External-device failure
This process helps distinguish a hardware problem from a configuration problem.
Daughterboard Troubleshooting
The DS6800CCIC1F1C and DS6800CCIE1E1D are important parts of the specified DS6815PCLG1B1A assembly.
If a communication channel associated with one daughterboard fails while other functions remain operational, the affected daughterboard should be investigated separately.
Technicians should inspect:
- Daughterboard seating
- Inter-board connectors
- Visible component damage
- Connector pins
- Associated communication channels
- Cable connections
A problem on a daughterboard can sometimes produce symptoms that appear to originate from the main DS6815PCLG1B1A board.
Common Causes of DS6815PCLG1B1A Problems
Potential causes of problems include:
- Incorrect ISA slot installation
- Loose board seating
- Damaged connectors
- Communication cable failure
- Incorrect communication configuration
- Daughterboard failure
- Power supply problems
- Electrical noise
- Grounding problems
- Component aging
- Control computer malfunction
- Incorrect replacement board configuration
A complete system-level diagnostic should be performed before determining that the main board has failed.
Replacement Considerations
When sourcing a replacement DS6815PCLG1B1A, technicians should verify the complete assembly identification.
Important information includes:
- DS6815PCLG1B1A
- DS6800CCIC1F1C
- DS6800CCIE1E1D
- Board revision
- ISA interface configuration
- Communication-channel configuration
- Chassis location
- Associated turbine control computer
The two associated daughterboards should be included or verified as part of the replacement configuration when required by the system.
Physical dimensions alone should not be used to determine compatibility. A visually similar ISA board may have a completely different communication function or electrical interface.
Recommended Alternative Models
The following GE products and board families can be considered for comparison, maintenance planning, or spare-parts management. They should not automatically be considered direct replacements for the DS6815PCLG1B1A.
| Model | Type | Key Feature | Application |
|---|---|---|---|
| DS6815PCLG1B1A | ISA Serial Communication Board | Main board with two daughterboards | GE turbine control |
| DS6800CCIC1F1C | Communication Daughterboard | Associated communication interface | DS6815 assembly |
| DS6800CCIE1E1D | Communication Daughterboard | Associated interface function | DS6815 assembly |
| DS6815 PCDP 1B1A | Control / Communication Board | DS6815 family architecture | Legacy turbine control |
| DS6815 CDPA | Control Board | DS6800 / DS6815 control architecture | Industrial turbine systems |
| DS200SLCCG3A | LAN / Communication Board | GE control-system communication | Mark V systems |
| DS215SLCCG1A | Communication Interface Board | LAN and serial communication | GE turbine control |
| DS2020UCOCN4G1A | User Interface / Control Panel | Operator and control-system interface | GE industrial control |
Replacement recommendation: The preferred replacement should be an exact match for DS6815PCLG1B1A (DS6800CCIC1F1C + DS6800CCIE1E1D). Related communication or DS6815-family boards should only be considered after verifying the complete system architecture, ISA configuration, daughterboard combination, and communication requirements.
Key Advantages
- Designed for legacy GE turbine control applications
- Provides serial communication functionality
- Uses an ISA-based industrial computer architecture
- Integrates two associated DS6800 daughterboards
- Supports communication between control computers and external equipment
- Suitable for turbine control and monitoring applications
- Supports maintenance of established GE control systems
- Provides a dedicated communication interface within the control architecture
- Useful for legacy system replacement and spare-parts planning
- Specified compact industrial board construction
Technical FAQs
What is the GE DS6815PCLG1B1A?
The GE DS6815PCLG1B1A is an ISA-based serial communication and turbine-control circuit board assembly associated with GE legacy turbine control systems.
What are the associated daughterboards?
The specified assembly includes DS6800CCIC1F1C and DS6800CCIE1E1D daughterboards.
What is the main function of the DS6815PCLG1B1A?
Its primary role is to provide serial communication and control-system interfacing within the turbine control computer architecture.
What system is the DS6815PCLG1B1A used in?
The board is associated with GE turbine control systems and legacy Speedtronic-style industrial control architectures.
What does ISA mean?
ISA stands for Industry Standard Architecture. It is an older computer bus architecture that was widely used in industrial computers and other computer-based control systems.
What are the specified dimensions?
The specified dimensions are 270 × 185 × 32 mm.
What is the specified weight?
The specified weight is 0.68 kg.
Can the DS6815PCLG1B1A operate as a standalone controller?
No. It is primarily a communication and interface assembly within a larger turbine control computer and control-system architecture.
Why are the daughterboards important?
The DS6800CCIC1F1C and DS6800CCIE1E1D form part of the specified assembly and contribute to its overall interface and communication functionality.
What can cause communication failure?
Possible causes include loose board seating, incorrect ISA installation, damaged cables, faulty connectors, daughterboard problems, communication configuration errors, power problems, electrical noise, or failure of the external communication device.
Can another ISA serial communication card replace this board?
Not automatically. The communication protocol, interface configuration, board architecture, daughterboard combination, and turbine control-system requirements must be verified before substitution.
What should be checked before replacing the board?
The complete part number, daughterboard configuration, board location, cable connections, communication-channel assignments, and control-system configuration should be recorded before removing the existing assembly.
Is DS6815PCLG1B1A suitable for modern PLC systems?
The board is designed for legacy GE turbine control architectures. It should not be assumed to be directly compatible with modern PLC or industrial Ethernet systems without a suitable system-level interface and engineering assessment.
Conclusion
The GE DS6815PCLG1B1A ISA Serial Communication Board is a specialized communication and control-system interface assembly used in legacy GE turbine control environments. Its configuration includes the main DS6815PCLG1B1A board together with the DS6800CCIC1F1C and DS6800CCIE1E1D daughterboards.
The board provides an important communication path between the turbine control computer and other components of the industrial control architecture. Its ISA-based design reflects the computer architecture used in earlier generations of turbine automation equipment, making it particularly valuable for maintenance and modernization of legacy systems.
The specified dimensions are 270 × 185 × 32 mm, and the specified weight is 0.68 kg. Because the board is part of a configured assembly, replacement should be based on the complete identification rather than physical appearance alone.
For maintenance engineers, system integrators, and spare-parts managers, correct identification of the DS6815PCLG1B1A and its associated DS6800 daughterboards is essential. A structured troubleshooting process should verify board seating, power, daughterboard connections, communication cables, interface configuration, and external devices before concluding that the complete board assembly has failed.
When correctly matched to the existing GE turbine control architecture, the DS6815PCLG1B1A provides a dedicated communication interface that helps maintain reliable data exchange between the control computer and the wider turbine automation system.