Data Trapped at the Site
Inverter readings, meter values, and equipment status sit in local controllers or OEM portals with no path to a centralised monitoring system. Operations teams fly blind between site visits.
MERLIN SCADA
On-Site Intelligence for Every Plant, New or Legacy
High-frequency local data acquisition, protocol-ready hardware, and real-time control visibility, deployable on any site without replacing existing infrastructure.
Projects
120+
Clients
40+
Uptime
99.9%
1sec to 15min
Polling Intervals
Hardware
Multi-Protocol
Legacy
Retrofit Ready
Hybrid
Cloud + On-Premise
THE CHALLENGE
Your Site Has Data.
But Is It Reaching the Right People in Time?
But Is It Reaching the Right People in Time?
Legacy Hardware Left Behind
Older sites have functioning equipment but no integration capability. Replacing hardware to add monitoring is expensive and disruptive. Most plants simply go unmonitored.
Multiple Vendors, No Single Stack
RTUs, gateways, and communication hardware come from different suppliers with no accountability across the chain. Integration gaps cause data loss and finger-pointing during downtime.
THE SOLUTION
One Integrated Stack from Field Device to Local System
High-Frequency Local Data Acquisition
Merlin LDMS hardware sits at your site and collects data from every inverter, meter, sensor, and field device at intervals as short as one second. All data is validated, timestamped, and buffered locally before transmission, so no reading is ever lost even during network interruption.
High-Frequency Local Data Acquisition
Merlin LDMS hardware sits at your site and collects data from every inverter, meter, sensor, and field device at intervals as short as one second. All data is validated, timestamped, and buffered locally before transmission, so no reading is ever lost even during network interruption.
- 1 sec to 15 min configurable polling intervals
- Make-agnostic inverter and meter connectivity
- Local buffering
- 1 sec to 15 min configurable polling intervals
- Make-agnostic inverter and meter connectivity
- Local buffering
Multi-Protocol, OEM-Agnostic Integration
Merlin LDMS speaks the language of every device on your site. Whether your equipment runs Modbus, IEC 61850, OPC-UA, DNP3, or IEC-104, the hardware integrates natively without custom middleware. Mixed OEM environments are handled as standard.
Multi-Protocol, OEM-Agnostic Integration
Merlin LDMS speaks the language of every device on your site. Whether your equipment runs Modbus, IEC 61850, OPC-UA, DNP3, or IEC-104, the hardware integrates natively without custom middleware. Mixed OEM environments are handled as standard.
- Modbus RTU, Modbus TCP, IEC-104, IEC 61850, OPC-UA, MQTT, DNP3
- Direct integration with GoodWe, Sungrow, Sineng, Huawei, ABB, GE, and others
- Custom register maps for consistent data across brands
- Modbus RTU, Modbus TCP, IEC-104, IEC 61850, OPC-UA, MQTT, DNP3
- Direct integration with GoodWe, Sungrow, Sineng, Huawei, ABB, GE, and others
- Custom register maps for consistent data across brands
Local SCADA with Real-Time Control
Beyond data collection, Merlin SCADA gives your operators live control capability at the site level. Dynamic SLDs display real-time power flow. GIS mapping gives topology-accurate visibility from plant level down to string level. Control commands are executed locally without cloud dependency.
Local SCADA with Real-Time Control
Beyond data collection, Merlin SCADA gives your operators live control capability at the site level. Dynamic SLDs display real-time power flow. GIS mapping gives topology-accurate visibility from plant level down to string level. Control commands are executed locally without cloud dependency.
- Dynamic SLDs with real-time power flow indicators
- GIS mapping and layered asset visualisation
- Multi-master, multi-slave architecture with control and monitoring capability
- Dynamic SLDs with real-time power flow indicators
- GIS mapping and layered asset visualisation
- Multi-master, multi-slave architecture with control and monitoring capability
Retrofit Without Replacement
Merlin SCADA is designed to integrate with sites that already have hardware in place. Whether the site is two years old or twelve, the system extends monitoring capability to existing equipment without a rip-and-replace approach. This makes it the lowest-disruption path to intelligent O&M.
Retrofit Without Replacement
Merlin SCADA is designed to integrate with sites that already have hardware in place. Whether the site is two years old or twelve, the system extends monitoring capability to existing equipment without a rip-and-replace approach. This makes it the lowest-disruption path to intelligent O&M.
- Compatible with existing RTUs, protection relays, and legacy field devices
- Supports fiber, UTP, RS-485, Wi-Fi, and 4G/5G networks
- On-premise or hybrid fallback deployment modes
- Compatible with existing RTUs, protection relays, and legacy field devices
- Supports fiber, UTP, RS-485, Wi-Fi, and 4G/5G networks
- On-premise or hybrid fallback deployment modes
Analytics and Reporting
Site-Level Intelligence, Automatically Generated
From inverter-level fault logs to plant-wide performance summaries, every insight is produced without manual data compilation.
String-Level Analytics
Current, yield, and health status per string with mismatch and degradation detection
Inverter Fault Logs
Asset-wise fault timeline with start time, duration, and parameter trigger
Plant Performance Summary
PR, CUF, and generation tracking with actual vs baseline comparison
Historical Data Consolidation
Multi-year trend analysis with degradation and seasonality benchmarking
HOW IT WORKS
Three Steps from Field Device to Operational Insight
Data Acquisition at the Edge
Merlin LDMS hardware connects directly to inverters, meters, sensors, and protection devices at your site. Multi-protocol support ensures every device is reached. Data is collected at high frequency, validated locally, and buffered for reliable transmission.
Local Processing
Merlin SCADA processes incoming data at the site level to enable fast, reliable system visibility. Dynamic SLDs and GIS maps update in real time, ensuring operators always have an accurate view of system performance. The architecture supports multi-master-slave configurations, making it adaptable to complex site topologies.
Local Control Execution
Merlin SCADA enables real-time command execution directly at the site without relying on cloud connectivity. Control actions are processed and implemented locally, ensuring low-latency response, high reliability, and uninterrupted operations even in network-constrained environments.
Supports your existing site communication infrastructure
IEC-104IEC 61850OPC-UAMQTTDNP3RS-4854G/5GLoRa
BUSINESS IMPACT
Real Outcomes for O&M and Asset Management Teams
ZERO
data gaps
Connection
Zero data gaps through local buffering and automatic cloud sync, even across unstable network connections
ADAPT
deployments
Integration
Retrofit deployments in days, not months, by integrating with existing hardware and communication infrastructure rather than replacing it
SINGLE
vendor
Accountability
Single vendor accountability across hardware, networking, data integration, and software, eliminating coordination overhead across multiple suppliers
Trusted By
Proven Across Industrial Operators
Trusted by Coal india, Roha, Deon, Vgrown, Rayzon Solar, Anant Urja, Onix, Pahal Solar, Vivaan Solar, Teravon, INOX Green, Farmson, Raycal Power Infra.
Deployable As
On-PremiseCloud-HostedHybrid with Local Fallback
Get Started
Every Device. Every Reading.
Every Second. Captured.
Every Second. Captured.
Book a walkthrough or share your site details for a tailored hardware and deployment plan.