



The GE IS220PCLAH1A is a Mark VIe Control Logic Application (CLA) Module, designed to execute real-time control algorithms, sequence logic, and system-level turbine coordination within GE’s distributed automation architecture.
It acts as a critical processing node in GE Mark VIe systems, enabling deterministic execution of control strategies for gas turbines, steam turbines, and industrial energy systems. The module is optimized for high-speed logic processing, reliable I/O coordination, and redundant system compatibility, making it suitable for continuous-duty industrial environments.
Technical Specifications — Control & Processing Architecture
| Category | Specification |
|---|---|
| Manufacturer | General Electric (GE) |
| Series | Mark VIe Speedtronic |
| Product Type | Control Logic Application Module |
| Functional Code | PCLA |
| Main Function | Real-time control logic execution & system coordination |
| Processor Architecture | Industrial embedded CPU (Mark VIe distributed control processor) |
| Memory | Flash + SDRAM (system-configured) |
| Communication Interfaces | Dual Ethernet (RJ45) |
| Network Protocols | IONet / Ethernet-based control communication |
| Control Role | Logic execution within distributed I/O architecture |
| Redundancy Support | Simplex / TMR system compatible |
| Power Supply | 28 VDC / system backplane dependent |
| Diagnostics | Status LEDs (RUN / FAULT / COMM) |
| Software Environment | GE ControlST / Mark VIe firmware platform |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions (L × W × H) | 185 × 120 × 45 mm (approx.) |
| Weight | ~1.0 – 1.5 kg |
The IS220PCLAH1A is designed for fast deterministic control execution, ensuring that turbine logic and protection sequences operate with minimal latency and high reliability.
Recommended Related Models — GE Mark VIe System Integration
The IS220PCLAH1A is typically deployed alongside:
- IS215UCVEH2AF — VME controller module
- IS215UCVFH2A — turbine control processor
- IS220PAOCH1A — analog output I/O pack module
- IS215VCMIH2CC — communication interface module
- IS215WEPAH2B — wind energy pitch control module
These modules together form a complete control–communication–actuation chain in GE turbine systems.
Popular GE Mark VIe Modules — Industrial Ecosystem Components
Commonly used GE automation modules include:
- IS210AEBIH2BE — wind turbine interface module
- IS200VVIBH1C — vibration monitoring module
- IS200EGDMH1A — Ethernet diagnostic gateway module
- IS200TRLYH1B — relay output module
- IS200TBAIH1C — terminal board assembly module
These components are widely deployed in global power generation systems due to long lifecycle stability and strong field reliability.