General
Number of inputs	12
Power saving functions

The Barix IO12 is an industrial I/O extension for DIN rail mounting, designed for communication with a host system via Modbus/RTU interface. The device serves data acquisition and control in automation environments and enables control of 12 outputs as well as querying of 12 inputs via serial commands. The IO12 is designed for use in industrial installations, particularly in systems for voice evacuation, where reliable and energy-efficient control is required.

Applications

The Barix IO12 is used in industrial control systems, particularly in voice evacuation systems, where it is employed to control relays and acquire signals from sensors or switches. The universal design allows integration into existing automation architectures that communicate via Modbus/RTU. DIN rail mounting facilitates installation in enclosures and enables compact placement alongside other control components.

Functions and Equipment in Detail

The device features 12 optically isolated inputs, ensuring galvanic isolation between the device and connected sensors or switches. This protects the IO12 from disturbances caused by voltage spikes or electrical interference. The 12 outputs are configured as current sourcing outputs, meaning they can supply current to the load when a signal is active. Control is performed via Modbus/RTU commands transmitted over the integrated RS-485 serial interface. This interface is suitable for industrial environments, offering high noise immunity and longer transmission distances.

Technology Explained Simply

The IO12 operates with a supply voltage range of 9 to 30 volts, allowing flexible adaptation to various industrial power supplies. The power-saving functions ensure that the device's active power remains low even when all relays are activated. This is particularly important in installations that operate over extended periods and require energy-efficient operation. Communication occurs via Modbus/RTU, a widely used protocol in automation technology, enabling easy integration into existing systems.

Compatibility and Accessories

The Barix IO12 is compatible with host systems supporting Modbus/RTU. Communication takes place via the RS-485 interface, which is standard in many industrial control systems.

Mounting and Installation

The IO12 is designed for DIN rail mounting, enabling quick and secure installation in enclosures. The connections for inputs and outputs are designed for interfacing with industrial sensors and actuators. The serial interface is connected to the host system via an RS-485 cable. Installation requires no special tools, and electrical connections are made using standard plug connectors.

Advantages in Operation

The IO12 provides a reliable and energy-efficient control solution for industrial applications. Optical isolation of the inputs increases noise immunity, while power-saving functions minimize energy consumption. Modbus/RTU compatibility enables easy integration into existing systems, and DIN rail mounting simplifies installation and maintenance. The device is developed for use in voice evacuation systems, where stable and low-maintenance control is required.