Key Technical Specifications
| Parameter | Specification |
|---|---|
| Model | IS210MACCH1AJH |
| Manufacturer | GE (General Electric) |
| Product Type | Mark VIe Controller / Processor Module |
| System Platform | GE Speedtronic Mark VIe |
| Family | MACCH-series controller |
| Primary Application | Gas turbine, steam turbine, and industrial turbine control |
| Software Environment | GE ControlST |
| Communication | Ethernet-based Mark VIe network I/O |
| Redundancy | Supports simplex, duplex, or TMR system configurations |
| Hot Swap | Supported per Mark VIe architecture |
| Operating Temperature | Verify with OEM datasheet for this revision |
| Power Supply | Typically 24 VDC via Mark VIe rack; confirm per system build |
| Condition | New Surplus or Refurbished (Tested) |
| Warranty | 12 months |
Product Introduction
The GE IS210MACCH1AJH is a Mark VIe controller module in the MACCH processor family. It executes turbine control logic, manages Ethernet-based I/O, and integrates into GE Speedtronic Mark VIe protection and control architectures.This module is commonly used in gas turbine, steam turbine, and combined-cycle applications where deterministic control and networked I/O are required. Because the -AJH suffix has limited public datasheet coverage, treat it as a MACCH-series variant and confirm firmware, revision, and slot assignment against the existing Mark VIe build.
Installation & Configuration Guide
Preparation (10 min)
- Confirm the nameplate reads IS210MACCH1AJH.
- Record serial number, hardware revision, and firmware version.
- Verify the target Mark VIe system type: simplex, duplex, or TMR.
- Back up the current ControlST configuration.
- Prepare an ESD-safe work area.
Removal (5–10 min)
- Identify the correct controller slot in ControlST.
- Place the controller in maintenance mode if supported.
- Photograph LED status and cable positions before removal.
- Disconnect Ethernet and I/O network cables only after system approval.
- Remove the module without forcing the rack connector.
Installation (10 min)
- Insert the module into the correct Mark VIe controller slot.
- Seat the backplane connector firmly.
- Reconnect Ethernet and network I/O cables per the saved map.
- Verify rack power and grounding.
- Confirm that no other controller is forced into primary mode during replacement.
Power-On & Test (10 min)
- Apply rack power and observe module LEDs.
- Verify controller recognition in ControlST.
- Check firmware compatibility with the existing project.
- Confirm network I/O communication status.
- Document revision, firmware, and test results before returning to service.
Troubleshooting Quick Reference
| Symptom | Likely Cause | First Check |
|---|---|---|
| Controller not recognized | Wrong slot or firmware mismatch | Compare revision with ControlST device list |
| Communication fault | Ethernet or network I/O link loss | Verify cable seating and switch port status |
| Redundancy alarm | Peer controller mismatch | Compare firmware and configuration between controllers |
| Module fails to start | Power or backplane issue | Check rack power supply and connector alignment |
| I/O data invalid | Network I/O mapping error | Review I/O tags in ControlST |
| Repeated fault after replacement | Configuration not loaded | Confirm project download and controller state |
Dimensions, Mounting & Wiring Notes
- Dimensions: Verify with the OEM datasheet for this revision.
- Mounting: GE Mark VIe controller rack slot.
- Connectors: Ethernet and Mark VIe network I/O ports; confirm location per build.
- Power: Supplied through the Mark VIe rack; do not apply external voltage to the module.
- ESD: Use a grounded wrist strap during handling.
- Labeling: Photograph all cables and LED states before removal.
FAQ
Is IS210MACCH1AJH compatible with IS210MACCH1AKH?
They belong to the same MACCH controller family, but suffix differences can indicate firmware, revision, or application changes. Confirm compatibility in ControlST before substitution.Can this module be replaced online?
Mark VIe controllers support hot-swap replacement in supported configurations, but only after the system is placed in the correct maintenance state. Never remove an active primary controller during turbine operation.What software is used to configure it?
GE ControlST is the standard engineering environment for Mark VIe systems. The controller must match the project firmware and I/O configuration.Is this a Mark VI or Mark VIe module?
This is a Mark VIe module. Mark VI and Mark VIe hardware are not interchangeable without a full system review.I only see documentation for IS210MACCH1AGG and IS210MACCH1AKH. Is that normal?
Yes. The -AJH suffix appears less frequently in public references. Treat it as a MACCH-series variant and verify the exact revision with the nameplate and OEM documentation.Do you provide a test report?
Refurbished units can be tested under controlled conditions. Function is verified under test conditions, but final acceptance depends on the site ControlST configuration and Mark VIe system build.







