INMBSHIT001R000 Bi-directional Hitachi VRF to Modbus RTU RS-485 interface
INMBSHIT001R000 is Bi-directional Hitachi VRF to Modbus RTU RS-485 interface, temp. 0…70°C, DIN rail.
- Stock: 5-7 days
- Brand: Intesis
- Model: INMBSHIT001R000
Full design package: User manual, CE declaration, CAD, PDF, certificates and test reports
If you're preparing technical documentation or an installation design, you can receive a complete set of design materials for this model. This is a quick way to gather the required documents for audits, acceptance, or project documentation.
- Device User Manual
- CE Declaration of Conformity (EU Declaration of Conformity)
- Mechanical Drawings – CAD (STEP/DWG) or high-quality PDF
- Additional Certificates and Test Reports (if available for the model)
Hitachi VRF to Modbus RTU (RS-485) gateway – bi-directional monitoring & control, INMBSHIT001R000
IntesisBox INMBSHIT001R000 is an industrial communication module designed to integrate Hitachi VRF air conditioning systems with Modbus RTU (RS-485) networks. It enables HVAC control and real-time status feedback via standard Modbus registers, making it suitable for PLC, SCADA and BMS environments where consistent, vendor-neutral communication is required.
The gateway provides fully bi-directional communication: you can command core functions such as operating mode, fan speed and temperature setpoint, while simultaneously reading feedback for supervision and diagnostics. On the Modbus side, the device can expose service-relevant information including errors, alarms and selected internal variables, helping operators implement alarm logic, reduce downtime and speed up maintenance response.
The AC module is wired directly to the indoor unit, ensuring stable communication and a straightforward installation path. INMBSHIT001R000 can typically be installed and commissioned quickly—usually just wiring the gateway to the AC unit and setting parameters via DIP switches (configuration is also possible via Modbus RTU). No configuration software is required, and no external power supply is needed in typical applications. A consistent Modbus register mapping across this gateway family also helps shorten engineering time in repeat projects.
New code: INMBSHIT001R000
Technically identical product – only the name / SKU has changed.
Product features
- Bi-directional Hitachi VRF ↔ Modbus RTU (RS-485) integration for both monitoring and control.
- Direct connection to the indoor unit for stable communication and access to diagnostic states.
- Fast installation and setup: DIP switches and configuration via Modbus RTU.
- No external power supply required in typical applications.
- RS-485 scalability: up to 63 HI-RC-MBS-1 devices can be connected to the same Modbus network.
- Total supervision with real internal variable states available for the supervisory system.
- Allows simultaneous operation via the IR remote controller and via Modbus RTU.
Technical specification
Features:
- Reduced dimensions
- Quick and easy installation
- No external power supply required
- Direct connection to MODBUS RTU network (RS-485). Up to 63 HI-RC-MBS-1 devices can be connected to the same network.
- Direct connection to the indoor AC unit
- Configuration via built-in DIP switches and via MODBUS RTU
- Total control and supervision
- Real internal variable states of the AC unit
- Allows simultaneous operation via IR remote controller and MODBUS RTU
Specification:
- Dimensions: 93 mm x 53 mm x 58 mm
- Weight: 85 g
- Mounting:
- Wall mounting
- DIN rail mounting EN60715 TH35
- Modbus port: 1x EIA485, Modbus RTU compatible
- LED indicators: 2x IntesisBox activity (Tx, Rx)
- Operating temperature: 0°C to 70°C
- Storage temperature: -40°C to 85°C
- Operating humidity: 5% to 95% RH, non-condensing
- Storage humidity: 5% to 95% RH, non-condensing
- Isolation voltage: 1500 VDC
- Insulation resistance: 1000 MΩ
- Protection rating: IP20 (IEC60529)
Warranty: 36 months
Product code: INMBSHIT001R000