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4eRM
4 Economic Relay Module
Overview
4eRM is a 4-channel relay ON & OFF control module.
It performs relay control and status indication, and is connected to SCU via ETLC communication. It supports scheduling, ON/OFF control, status monitoring, relay group control, time scheduling, and sunrise/sunset scheduling.
It stores relay operation logs and runtime data. It includes 4 built-in latching relays and current sensing IC for monitoring power usage.
It performs relay control and status indication, and is connected to SCU via ETLC communication. It supports scheduling, ON/OFF control, status monitoring, relay group control, time scheduling, and sunrise/sunset scheduling.
It stores relay operation logs and runtime data. It includes 4 built-in latching relays and current sensing IC for monitoring power usage.
Feature
- Energy accumulation (daily & monthly)
- Power data storage and reporting (32 days / 16 months)
- LED status indication
- Relay fail flick function
- Demand control enable/disable
- Full 2-Wire communication
- Control maintained during download
- Global Stand Alone operation
- Operates even if central system fails
- Built-in 25A latching relay
- Supports 100A inrush current (TV-8)
- Up to 999 modules per SCU
- Clean wiring structure
- Manual ON/OFF switch supported
- Compact design for various applications
Operation
Relay modules can connect up to 999 units per SCU and operate in linked control.
Each module integrates relay, control board, and communication board.
Opening the lower cover exposes communication terminals and 2 sensor input ports.
LED indicators monitor relay and board status, and current sensing IC enables real-time monitoring.
Each module integrates relay, control board, and communication board.
Opening the lower cover exposes communication terminals and 2 sensor input ports.
LED indicators monitor relay and board status, and current sensing IC enables real-time monitoring.
Application
Specification
- CPU : 32 Bit Stand Alone Control Processor
- Power : AC/DC24V, 50/60Hz, 7VA
- Communication : Full 2-Wire
- Address Range : 001 ~ 999
- Relay (4ch) : 25A Latching / 100A Inrush (TV-8)
- LED Indicators : 4
- Operating Temp : -10°~ 60°C
- Size : 100.5(W) 133.6(H) 60(D)
Network
Relay modules use Full 2-Wire communication. When stacked vertically, internal routing allows clean hidden wiring.
Dimension
User Interface
Layout
System Diagram
Connect Diagram
