Intesis Toshiba VRF and Digital Systems to Modbus RTU Interface

Item number: INMBSTOS001R000

Product Image: A compact Intesis gateway device, typically grey, designed for HVAC integration.

The Toshiba-Modbus interface enables full bidirectional communication between Toshiba VRF and Digital air conditioner units and Modbus RTU (RS-485) networks. It functions as a server device, accessing all signals from the air conditioner unit. A wired remote controller can also be integrated into the network.

Features and Benefits

Modbus RTU (EIA-485) server device: Acts as a Modbus server via its Modbus RTU (EIA-485 connector) port.
Energy savings through a window contact function: Helps minimize costs by integrating with HVAC systems, major building energy consumers.
AC unit control by both the remote and Modbus RTU: Allows simultaneous control of the AC unit by the manufacturer's remote controller and Modbus RTU.
Multiple mounting options: Supports DIN rail, wall mounting, and in some AC models, installation inside the indoor unit.
Dual configuration options: Configuration is managed via the interface's onboard DIP switches and the Modbus interface.
Total unit control and monitoring from Modbus RTU: Enables control and monitoring through internal variables, running hours counter (for maintenance), and error indication.
No external power required: The interface is powered directly from the AC unit, eliminating the need for an external power supply.

General Specifications

Specification	Value
Net Width (mm)	53
Net Height (mm)	58
Net Depth (mm)	93
Net Weight (g)	95
Packed Width (mm)	14
Packed Height (mm)	8
Packed Depth (mm)	10
Packed Weight (g)	101
Operating Temperature °C Min	-25
Operating Temperature °C Max	60
Storage Temperature °C Min	-40
Storage Temperature °C Max	85
Power Consumption (W)	1.19
Input Voltage (V)	14 VDC
Power Connector	2-pole
Configuration	ETS
Capacity	1 Indoor unit.
Installation Conditions	This gateway is designed to be mounted inside an enclosure. If the unit is mounted outside an enclosure, precautions should always be taken to prevent electrostatic discharge to the unit. When working inside an enclosure (e.g., making adjustments, setting switches, etc.), typical anti-static precautions should always be followed before touching the unit.
AC Model Compatibility	Toshiba VRF and Digital systems

General Information

Information	Details
Content of Delivery	Intesis gateway and installation manual.
Mounting	DIN rail mount (bracket included), Wall mount
Housing Materials	Plastic
Warranty (years)	3 years
Packaging Material	Cardboard

Identification and Status

Field	Value
Product ID	INMBSTOS001R000
Country of Origin	Spain
HS Code	8517620000
Export Control Classification Number (ECCN)	EAR99

Physical Features

Feature	Description
Connectors / Input / Output	EIA-485, HVAC port.
LED Indicators	Gateway and communication status.
DIP & Rotary Switches	EIA-485 serial port configuration. Gateway settings.

Certifications and Standards

Standard	Classification
ETIM Classification	EC001604
WEEE Category	IT and telecommunications equipment

Use Case Example

Integration Diagram Description: The diagram illustrates an integration scenario. A Toshiba air conditioning unit is connected to the Intesis gateway. This gateway then interfaces with a Modbus network, which can include Building Management Systems (BMS) controllers and Human-Machine Interfaces (HMI). An optional wired remote controller can also be part of the Toshiba system.

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