The GE IS200ACLEH1A IS200ACLEH1ABA application control layer module executes high-level turbine control logic. This module handles sequencing, protection, and optimization algorithms. You will find this ACL module in Speedtronic Mark VI control cabinets. Its powerful processor supports complex application code and data logging.
Control Layer Architecture
This ACL module uses a 200 MHz 32-bit processor for application tasks. Consequently, it runs complex turbine control strategies without delays. The GE IS200ACLEH1A IS200ACLEH1ABA includes dual Ethernet ports for network redundancy. Moreover, onboard flash memory stores application code and historical data. You can program this module using standard GE development tools.
Technical Specifications
| Parameter | Value |
|---|---|
| Processor Speed | 200 MHz |
| CPU Type | 32-bit RISC |
| RAM Capacity | 32 MB SDRAM |
| Flash Memory | 16 MB (application storage) |
| Non-Volatile RAM | 2 MB (retentive data) |
| Ethernet Ports | 2 (RJ45, 10/100 Mbps) |
| Serial Ports | 2 (RS-232, diagnostic) |
| Input Voltage | 24V DC ±10% |
| Power Consumption | 12W typical |
| Dimensions | 240mm x 180mm x 35mm |
| Weight | 0.78 kg (1.72 lbs) |
| PCB Layers | 8 |
| Onboard Components | 1 CPU, 12 memory chips, 2 Ethernet controllers, 1 RTC |
| Connector Count | 5 (Ethernet x2, serial x2, power) |
| Status Indicators | 6 LEDs (power, run, fault, link, activity, sync) |
| Energy Storage | 1500 µF (power hold-up) |
| Real-Time Clock | Battery-backed, ±2 min/year |
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | -20°C to +70°C |
High-Speed Processing and Memory
The unit includes 32 MB of SDRAM for real-time data processing. Therefore, it can store extensive diagnostic logs and trend data. This module replaces the IS200ACLEH1ABA version without any program changes. Simply swap the modules and reload application code. GE designed this ACL module for hot-standby redundancy. Hence, two modules can operate in sync for fault-tolerant control.
Eight PCB layers separate high-speed digital traces from power circuits. Five connectors handle all Ethernet, serial, and power signals. The GE IS200ACLEH1A IS200ACLEH1ABA holds 1500 µF of capacitance for power hold-up. Accordingly, it survives brief power interruptions without resetting. A battery-backed real-time clock maintains accurate timestamps during outages.
Redundancy and Installation Guide
The module supports redundant operation with automatic failover. A hardware watchdog monitors processor health continuously. The GE IS200ACLEH1A IS200ACLEH1ABA works with all GE Mark VI I/O modules. Always verify firmware revision compatibility before installation. Redundant configurations require matched firmware on both ACL modules.
Proper grounding of the chassis ensures noise-free processor operation. The module includes a lithium battery for RTC and NV-RAM. The GE IS200ACLEH1A IS200ACLEH1ABA delivers reliable application control for turbine systems. Installation requires careful handling of static-sensitive components. This module operates in non-condensing environments with adequate cooling.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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