Description
Product Overview
The GE IS215ACLEH1BB is an Application Control Layer (ACLE) module associated with the GE SPEEDTRONIC Mark VI turbine control platform. It is a processor-based control board used for application processing, system coordination, and communication within GE industrial turbine control equipment.
Although some marketplace listings describe the IS215ACLEH1BB as an “RTD Card,” the available technical references identify the board as an Application Control Layer module. It should therefore not be presented as a dedicated RTD input module without checking the exact system configuration.
The board is also associated with GE EX2100 excitation and Innovation Series control applications. Its front panel includes status indicators, communication interfaces, ISBus connections, and a reset switch for system-level control and diagnostics.
🔧 Main Features
- GE SPEEDTRONIC Mark VI control hardware
- Application Control Layer / ACLE architecture
- Model: IS215ACLEH1BB
- Processor-based control board
- Designed for industrial turbine control applications
- Associated with GE EX2100 and Innovation Series equipment
- Ethernet communication interface
- ISBus communication interfaces
- COM communication ports
- Front-panel diagnostic LEDs
- Integrated reset switch
- System-level application processing
- Suitable for legacy Mark VI maintenance and spare-parts requirements
📋 Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | General Electric |
| Model | IS215ACLEH1BB |
| Series | SPEEDTRONIC Mark VI |
| Product Type | Application Control Layer Module |
| Board Type | Processor / Application Control Board |
| Function | Application processing and system control |
| Associated System | GE Mark VI |
| Related Applications | EX2100 / Innovation Series |
| Communication | Ethernet / ISBus / COM interfaces |
| Front Panel | Status LEDs and reset switch |
| RTD Function | Not a dedicated RTD input card |
| Mounting | System/rack dependent |
| Power Supply | Verify against system documentation |
| Operating Temperature | Verify against exact system configuration |
| Dimensions | Verify against board revision |
| Weight | Verify against physical unit |
| Condition | New Surplus, subject to stock |
⚙️ Application Control Function
The ACLE board operates at the application-control level rather than acting as a simple field I/O card. It can participate in the execution and coordination of control applications while communicating with other control hardware.
Typical functions include:
- Application-level processing
- Control-system coordination
- Communication with associated control modules
- System status and diagnostic handling
- Data exchange through the control network
- Interface with GE turbine and excitation control architectures
The front panel provides multiple LED groups for operational and communication status, together with Ethernet, COM, and ISBus interfaces.
🔌 Communication & Diagnostics
The board incorporates several communication and diagnostic interfaces. Available descriptions identify a 10BaseT Ethernet connection, COM interfaces, and ISBus connections on the front panel. Diagnostic LEDs provide visual information about board and communication conditions.
Before replacing an installed board, record:
- Existing firmware/version information
- Board identification and revision
- Cable and connector positions
- Network connections
- Control-system configuration
- Existing diagnostic LED condition
🌡️ Important Note About the “RTD Card” Description
If the application specifically requires RTD temperature measurement, do not assume IS215ACLEH1BB is the RTD acquisition hardware.
The available technical information distinguishes the ACLE controller from dedicated RTD I/O hardware. For Mark VIe systems, for example, the IS220PRTDH1A is identified as an RTD input pack, while the ACLE performs higher-level control functions.
For purchasing, the safest approach is to match the complete part number, board revision, system cabinet position, and original configuration.
🏭 Typical Applications
The IS215ACLEH1BB can be encountered in industrial control environments involving:
- Gas turbine control
- Steam turbine control
- GE SPEEDTRONIC Mark VI systems
- GE excitation systems
- EX2100-related applications
- Innovation Series drives and control equipment
- Industrial power-generation equipment
- Legacy turbine control system maintenance
🛠️ Installation & Replacement Guide
- Shut down the associated control equipment according to the plant maintenance procedure.
- Isolate electrical power before removing the board.
- Record all cable and connector positions.
- Check the replacement board’s complete part number and revision.
- Inspect connectors and board condition before installation.
- Install the board without forcing the connectors.
- Restore the wiring exactly as documented.
- Power up the control system according to the approved commissioning procedure.
- Check the diagnostic LEDs and communication status.
- Verify the controller configuration and application operation.
For a turbine-control system, replacement should be treated as a configuration-sensitive procedure rather than a simple plug-and-play I/O exchange.
🔄 Compatibility & Replacement
The following identifiers may be encountered when sourcing related GE hardware:
- IS215ACLEH1BB
- IS215ACLEH1B
- IS215ACLEH1BC
- IS215ACLEH1BCB
- IS215ACLAH1A
- IS215ACLAH1AM
- IS215UCVFH2BB
- IS215UCVEH2AE
- IS215UCVEH2AB
- IS215VPROH1B
These are related GE control-system models, not automatic substitutes. A different suffix or hardware revision should only be used after checking the original Mark VI configuration and application.
❓ Frequently Asked Questions
Q1: Is IS215ACLEH1BB an RTD input card?
A: No. Available technical references identify it as an Application Control Layer module. Dedicated RTD acquisition hardware should be identified separately.
Q2: What system is IS215ACLEH1BB used with?
A: It is associated with GE SPEEDTRONIC Mark VI control hardware and related GE industrial turbine/excitation applications.
Q3: What is the main purpose of the ACLE board?
A: It provides processor-based application-level control, coordination, communication, and system management functions.
Q4: Does the board have Ethernet communication?
A: Available descriptions identify a 10BaseT Ethernet interface along with COM and ISBus connections.
Q5: Can another IS215ACLE revision replace IS215ACLEH1BB?
A: Not automatically. The complete part number, revision, firmware, and system configuration should be checked before substitution.
Q6: Is it suitable as a spare for an existing Mark VI system?
A: It can be considered when the installed system specifically calls for IS215ACLEH1BB, subject to revision and configuration verification.
📦 Recommended GE Mark VI Models
For customers maintaining GE turbine-control systems, the following models are useful related spare-part references:
- IS215ACLEH1BB – Application Control Layer Board
- IS215ACLEH1B – Application Control Layer
- IS215ACLEH1BC – ACLE Control Module
- IS215ACLAH1A – Application Control Layer Hardware
- IS215UCVFH2BB – VME CPU Controller Board
- IS215UCVEH2AE – VME Processor/Controller Board
- IS215VPROH1B – Protection/Control Board
- IS215VCMIH2B – Mark VI Control/Interface Board
- IS200TRPGH1BDE – Mark VI Terminal/Interface Board
- IS220PRTDH1A – RTD Input Pack for Mark VIe applications
🔍 Inspection Before Shipment
For industrial replacement parts, recommended inspection includes:
- Confirm complete model number
- Check board revision and identification labels
- Inspect PCB for corrosion or physical damage
- Check connectors and pins
- Verify front-panel LEDs and switches
- Inspect mounting hardware
- Confirm packaging and ESD protection
- Record serial/identification information when available
- Perform functional testing where suitable test equipment is available
Important: Because IS215ACLEH1BB is a system-level control board, the exact electrical, firmware, and environmental specifications should be verified against the original GE system documentation before installation.
