QDTB® Transformer

QD-EMS-REL

Protection-relay · monitoring-scada-communication

QD-EMS-REL | QDTB®

Protection & control relay with anti-islanding, over/under voltage & frequency protection, IEC 61850.

Key parameters

Interface
RS485, Ethernet
Uplink Protocol
Modbus, IEC 61850
Device Capacity
1 devices
Communication
Ethernet, optical fiber ring
Monitoring
Real-time monitoring, Alarm

Detailed Technical Specifications

InterfaceRS485, Ethernet
Uplink ProtocolModbus, IEC 61850
Device Capacity1 devices
CommunicationEthernet, optical fiber ring
MonitoringReal-time monitoring, Alarm

Product Drawing

monitoring-scada-communication - QD-EMS-REL

Monitoring & SCADA ArchitectureDevicesinverters · meters · BMSGateway / Collectorprotocol conversionCloud / SCADAmonitoring · controlModbus · MQTT · IEC 61850
Communication TopologyDevDevRS485CANCollectorGatewayTCP/IPSCADACloudDevices → gateway → SCADA / cloud
Polling Interval vs DevicesDevicesPolling interval (s)More devices → longer polling

Note: This is a general product illustration. For detailed technical drawings and specifications, please contact our engineering team.

Need help?

All specifications and dimensions can be customized upon request