====== V3 - GRMS Room Compact Modbus - MC-230-01 ======

===== General description =====

**V3 - GRMS Room Compact Modbus - MC-230-01** is a compact GRMS room variant based on the **MC-230-01** controller.

This variant is intended for simplified room configurations where integrated RS485 communication and direct IEX connection are required. Because MC-230-01 includes RS485 and IEX-2 terminals, separate CAD-BC and CAD-232 modules are not required for this room concept.

===== Typical use =====

This variant is suitable for rooms requiring:

  * compact controller configuration
  * integrated RS485 / Modbus communication
  * direct IEX connection
  * basic access and room panel functionality
  * HVAC control with reduced local I/O requirements
  * simplified installation compared to MC-24-H1 based configurations
  * Ethernet / Linker connection to S-RMS

===== Main components =====

^ Group ^ Component code ^ Description ^
| Room controller | **MC-230-01** | Main room controller with integrated Ethernet, RS485 and IEX-2 terminals. |
| Power supply | **230 VAC / MC-230-01 supply** | Controller supply. Only one supply option is used according to project configuration. |
| IEX connection | **MC-230-01 IEX-2 terminals** | Direct IEX device connection without CAD-BC module. |
| RS485 / Modbus | **MC-230-01 RS485** | Integrated RS485 communication for Modbus fan-coil, recuperator or compatible HVAC equipment. |
| Corridor access panel | **CR-D1-V2-PX-BK** | Corridor-side access panel for room access, door status and lock control. |
| Door lock | **EL-B / EL-N** | Electric door strike, selected according to door type and installation requirements. |
| Room touch panel assembly | **TGP-4D-01-IQ + TGP-S** | In-room 4 inch touch HMI panel with TGP-S adapter/interface board for connecting the ES-W2 room temperature sensor. |
| Room temperature sensor | **ES-W2-WH / ES-W2-BK** | Room temperature sensor connected through TGP-S and used for HVAC regulation. |
| Room PIR sensor | **IR-R-IW-WH / IR-R-OW-WH** | Presence / motion sensor for occupancy and energy-saving logic. |
| Window contact | **MOS-03-HD-WH / MOS-04-VS-WH / MOS-04-VS-BK** | Wired magnetic opening sensor for window status and HVAC interlock, if wired version is used. |
| HVAC outputs | **MC-230-01 outputs / RS485** | HVAC control through local outputs or RS485 communication, depending on equipment. |
| Network | **Ethernet / Linker** | Connection to S-RMS. |

===== Connected room functions =====

^ Function ^ Connected elements ^
| Access control | CR-D1-V2-PX-BK, EL-B / EL-N and door status. |
| Guest interface | TGP-4D-01-IQ room touch panel with TGP-S adapter and room commands. |
| Room temperature | ES-W2-WH / ES-W2-BK connected through TGP-S. |
| HVAC | RS485 / Modbus HVAC device or local HVAC outputs, depending on equipment. |
| Room sensing | ES-W2 room temperature sensor, PIR sensor and window status. |
| Energy saving | Presence detection, managed power supply and HVAC interlock logic. |
| Central system | Ethernet connection to Linker and S-RMS. |

===== Variant difference =====

Compared to MC-24-H1 based variants, V3 uses **MC-230-01** with integrated **RS485** and direct **IEX-2 terminals**.

This reduces the need for separate CAD communication modules.

===== Notes =====

  * V3 is recommended for compact room configurations with limited local I/O requirements.
  * TGP-S is part of the room touch panel assembly and is used as the interface board for connecting the ES-W2 room temperature sensor.
  * It is suitable when RS485 / Modbus communication is required and the MC-230-01 I/O capacity is sufficient.
  * Final equipment compatibility must be checked per project.