- Model: Hyundai ACONIS-2000PMS Generator Display Panel (GDP)
- Brand: Hyundai Electric & Energy Systems / Hyundai Heavy Industries
- Series: ACONIS-2000 Power Management System
- Core Function: Local operator interface & display for generator PMS
- Type: Generator Display Panel (GDP)
- Key Specs: Flush-mount panel Push-button inputs Multi-LED status Dual 4-digit displays

Hyundai ACONIS-2000PMS
Key Technical Specifications
- Display: Two 4-digit numeric displays for voltage/current/frequency & power metrics
- User Interface: 8 push buttons for mode, start/stop, parameter entry
- Status Indicators: 22+ LED alarms and conditions (e.g., MANUAL, AUTO, SYNCHRONIZING, FAIL)
- Alarms Covered: Over/under frequency, voltage, reverse power, ACB abnormal, start/stop failures
- Control Modes: Manual, Auto, Local modes selectable via switches
- Communication: Serial connection to GCE (Generator Control Equipment) with ~2 m cable
- Mounting: Flush panel installation on generator switchboard
- Supply: Typically 24 V DC or system supply (check OEM manual)
- Operating Conditions: Marine/industrial environments
Application Scenarios & Engineering Pain Points
In marine power plants and industrial generator installations, the generator display panel (GDP) isn’t just a cosmetic add-on — it’s your frontline control and situational awareness node. The ACONIS-2000 PMS GDP shows real-time AC metering (voltage, current, frequency), generator status, load and synchronization conditions, and a suite of alarm states right where the operators need them.
Without this panel, operators rely on remote systems or DCS data, which increases response time and reduces local control options — especially critical during black-start, sync events, or fault conditions.
Typical Applications
- Marine Power Management – Shipboard main/auxiliary generator control with auto start/stop and load sharing logic.
- Diesel Generator Sets – Commercial or offshore power plants where local feedback and operator control are mandatory.
- Industrial Standby Power – Backup generation systems interfaced with PMS logic for blackout recovery and synchronization.
- Hybrid Power Systems – Coordinated control between multiple gensets for load balancing and frequency control.
Realistic Scenario: Generator Auto Start/Stop Logic
At a medium-sized offshore facility, the ACONIS-2000 PMS GDP served as the local operator panel for four diesel generators. Operators used it not just for monitoring voltage/frequency, but also to switch control modes (Auto/Manual) and manually intervene during abnormal load sharing or synchronization faults. The presence of clear LED alarms and numeric feedback cut troubleshooting time during line disturbances by over 30 % compared to systems without local display panels.
Compatible Replacement Models
⚠️ Functional Equivalent (Needs Validation)
- Hyundai ACONIS-3000 GDP – Next generation panel with expanded display and faster interface (requires system config update).
- Third-party Marine Generator GDPs (OEM Agnostic) – Can provide display & limited control; must adapt communication protocols.
❌ Not Direct Drop-in Compatible
- Generic PLC HMI panels — interface protocols differ; requires redesign of control logic and comms.
Given the ACONIS-2000 unique integration with Hyundai PMS logic and GCE hardware, only panels that support the specific PMS protocol and alarm schema are practical replacements.
Troubleshooting Quick Reference
| Symptom | Likely Cause | GDP Relevance | Check Method | Recommendation |
|---|---|---|---|---|
| Display blank | Power supply to GDP | ❌ Low | Verify panel supply lines | Restore 24 V DC/aux supply |
| No generator data shown | Loss of comm with GCE | ⚠️ Medium | Check serial cable to GCE | Reseat/replace cable |
| Incorrect parameters | Parameter config mismatch | ⚠️ Medium | Review PMS configuration mode | Adjust via GDP keys |
| Alarm LEDs frozen | CPU/firmware hang | ⚠️ Medium | Soft reset panel | If persists, panel faulty |
| No mode change | Mode switch or keylock issue | ⚠️ Medium | Inspect mechanical switches | Repair/replace switch |
Practically, more than half of “no display” issues on legacy generator panels turn out to be power or comm cable faults rather than panel logic failure. Always verify external feeds first.






