RCU Controllers

RCU engineering accessory kit

RCU engineering accessory kit — RCU engineering accessory kit for on-site installation. RS485/Modbus RTU or wireless Mesh; manages switch panels and guestroom scenes.

RCU engineering accessory kit

RCU engineering accessory kit — RCU engineering accessory kit for on-site installation. RS485/Modbus RTU or wireless Mesh; manages switch panels and guestroom scenes.

  • RS485
  • Project
  • Accessories
  • 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
RCU engineering accessory kit
Accessories
same-brand RCU host
Installation
inside low-voltage cabinet
Protocol
Modbus RTU · RS485 bus(model-dependent)

Specifications

Parameter Specification
Product name RCU engineering accessory kit
Product series RCU engineering accessory
Type power supply · distribution · mounting accessories
Installation RCU engineering accessory kit — RCU engineering accessory kit for on-site installation. 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.

RCU host engineering accessory kit wiring diagram
RCU host engineering accessory kit · accessories → RCU host / bus topology

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

Companion hotel smart switch panels

RCU hosts coordinate guestroom loads with smart switch and scene panels on RS485 or wireless bus.

Need RCU host engineering accessory kit selection? Contact our team for accessory BOM, bus topology, and installation kit lists.