RCU Controllers
RS485 bus splitter
RS485 bus splitter — RS485 bus splitter for star-to-bus wiring. RS485/Modbus RTU or wireless Mesh; manages switch panels and guestroom scenes.
RS485 bus splitter
RS485 bus splitter — RS485 bus splitter for star-to-bus wiring. RS485/Modbus RTU or wireless Mesh; manages switch panels and guestroom scenes.
- host accessory power supply
- bus distribution
- Installation Spare Parts Kit
- bus distribution optimization
Power power supply · distribution · mounting accessories
RS485 Modbus RTU · module networking
Installation inside low-voltage cabinet
Delivery bulk engineering supply · detailed design schedule sync
Application host accessories · bus optimization · installation kit
- Type
- RS485 bus splitter
- Accessories
- same-brand RCU host
- Installation
- inside low-voltage cabinet
- Protocol
- Modbus RTU · RS485 bus(model-dependent)
Specifications
| Parameter | Specification |
|---|---|
| Product name | RS485 bus splitter |
| Product series | RCU engineering accessory |
| Type | power supply · distribution · mounting accessories |
| Installation | RS485 bus splitter — RS485 bus splitter for star-to-bus wiring. RS485/Modbus RTU or wireless Mesh; manages switch panels and guestroom scenes. |
| Accessories | same-brand RCU host |
| Communication protocol | Modbus RTU · RS485 bus(model-dependent) |
| Installation | inside low-voltage cabinet |
| Delivery | bulk project supply · detailed designschedule with construction drawingssync |
| Applications | host accessories · bus optimization · installation kit |
Wiring diagram
RCU engineering accessory installation reference — power supply, bus distribution, and mounting accessories; refer to signed drawing set for terminal details.
Installation notes
- Accessory models must match host and bus specifications; note BOM when ordering
- Bus distributor: note star/tree topology and termination resistor configuration
- Wire per project drawing; signed projects use factory shipment drawings
- After installation, commission with host: power supply, bus distribution, and signal integrity checks
Downloads
For full specifications, wiring topology, address planning, and certification documents, search the download center or contact sales for project-level BOM.
Product datasheet PDF Includes RS485 bus distributiondevice dimensions, electrical, and installation parameters wiring topology drawing set RS485 bus distributiondevice · wiring topology reference installation accessory list power supply · distribution · accessory cross-reference Contact for selection get address schedule template and project BOM
Companion hotel smart switch panels
RCU hosts coordinate guestroom loads with smart switch and scene panels on RS485 or wireless bus.
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Need RS485 bus distributor accessory selection? Contact our team for accessory BOM, bus topology, and installation kit lists.
