FC-DCOM-232/485 Honeywell COMMUNICATION INTERFACE Module

Core feature

Serial protocol conversion :FC-DCOM-232/485 is mainly used to convert RS-232 serial signal to RS-485 signal, or reverse conversion. RS-485 is a standard more suitable for long distance communications and multi-point connections, while RS-232 is generally suitable for short distance point-to-point communications.

A variety of communication interface support: the module supports RS-232 and RS-485 two common serial communication interfaces, which can realize two-way data exchange between the two interfaces.

Automatic detection and switching :FC-DCOM-232/485 usually supports automatic protocol identification, and can automatically switch RS-232 and RS-485 modes, simplifying the configuration and deployment of the system.

High transfer rate: The module supports high data transfer rates, making data exchange in large-scale automation systems more efficient.

Long-distance communication support: Unlike RS-232, RS-485 can support longer communication distances (typically up to 1200 meters), so the module can provide better performance in long-distance applications.

Multi-device connections :RS-485 supports multi-point connections, allowing multiple devices to communicate on the same communication link, while RS-232 usually only supports point-to-point connections. The module makes the connection between different types of devices more flexible.

Industrial design: The module generally adopts industrial design, with anti-interference, high temperature stability and strong electromagnetic compatibility, suitable for various industrial automation environments.

Easy installation: Usually DIN rail mounting or panel mounting, easy to integrate in control cabinets or industrial equipment.

Technical specification

Parameter description

Input interface RS-232

Output interface RS-485

Data transfer rates up to 115,200 bps or higher are supported

Operating temperature range -10°C to +60°C

Power supply 24V DC or through the system bus

Mounting method DIN rail mounting or panel mounting

Communication distance RS-485: maximum 1200 meters

Supports protocols RS-232 and RS-485

Working environment Industrial environment, with anti-interference and high temperature stability

Application field

Industrial automation control: In industrial automation systems, FC-DCOM-232/485 can be used to connect the communication interface between different devices. For example, devices such as PLC (programmable logic controller), HMI (human machine interface), sensors, actuators can be connected to provide longer distance communication via RS-485.

Process control system: In the process control system, the communication module is used to connect the field equipment (such as pressure sensors, temperature sensors, flow meters, etc.) to the control system for real-time data acquisition and monitoring.

Remote monitoring and management: The module supports remote communication, so that the SCADA system or monitoring center can connect multiple remote devices through the RS-485 bus to achieve remote monitoring, diagnosis and control of the equipment.

Intelligent building automation: In intelligent buildings, FC-DCOM-232/485 can be used to connect HVAC (heating ventilation and air conditioning system), lighting control system, security system and other equipment, so that each subsystem can share data, improve the intelligent management ability of the building.

Data acquisition and transmission: In environments where remote data acquisition is required, FC-DCOM-232/485 can connect RS-232 devices to RS-485 networks, extending the connection range and communication distance of devices.

Installation and maintenance

Installation method :FC-DCOM-232/485 is usually mounted with DIN rail, which is easy to integrate in industrial cabinets. During installation, ensure that the power supply and communication interface are correctly connected.

Communication connection: During the installation process, ensure that the RS-232 and RS-485 interfaces are correctly connected. For RS-485, pay attention to the positive and negative polarity of the signal to avoid connecting the wrong line.

Power requirements: The module usually requires 24V DC power supply to ensure that the power supply voltage is stable, and to ensure that the module power supply is not affected by fluctuations.

Fault diagnosis: When troubleshooting, you can check the communication status through indicators or diagnostic software to ensure that the module and connected devices are in normal working condition.

Matters needing attention

Differences between RS-232 and RS-485:

RS-232 is usually used for short-range, point-to-point communication, supporting a transmission distance of up to 15 meters, suitable for communication between a few devices.

RS-485 supports long distance (up to 1200 m) and multi-point connections, making it suitable for large-scale device networks and is often used in industrial automation.

Signal matching:

Ensure that the serial port protocol of the device is compatible with the interface type of the module. RS-485 supports the connection of multiple devices, but device addresses must be properly configured.

Installation environment: FC-DCOM-232/485 is suitable for industrial environments. However, during installation, ensure that the device is protected from adverse environmental conditions such as high temperature, high humidity, and strong electromagnetic interference.

FC-DCOM-232/485 is a powerful communication conversion module, which can solve the conversion problem between RS-232 and RS-485 communication interfaces, and help users achieve flexible device connection and long-distance data transmission in industrial automation systems.

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Bou L
Sales Specialist
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+86-175 5077 6091