Intesis INMBSSAM001R100 NASA Units to Modbus RTU Interface Owner’s Manual
The Samsung-Modbus interface allows full bidirecotinal communication between Samsung NASA air conditioner units and Modbus RTU (RS-485) networks. The interface acts as a server device for the installation, accessing all signals from the air conditioner unit. A wired remote controller can also be part of the network.
Features and benefits
Modbus RTU (EIA-485) server device
The interface acts as a Modbus server device through its Modbus RTU (EIA-485 connector) port.
Energy savings through a window contact function
This function helps minimize costs, as HVAC systems are a major building energy consumer.
AC unit control by both the remote and Modbus RTU
The AC unit can be simultaneously controlled by the manufacturer’s remote controller and Modbus RTU.
Multiple mounting options
Mounting options include DIN rail, wall, or, in some AC models, even inside the indoor unit.
Dual configuration options
Configuration is carried out through the interface’s onboard DIP switches and the Modbus interface.
Total unit control and monitoring from Modbus RTU
Through internal variables, running hours counter (for maintenance purposes), and error indication.
No external power required
The interface is powered directly from the AC unit, so no external power supply is required.
General
Identification and Status
Physical Features
Certifications and Standards
Use Case
Documents / Resources
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