Honeywell 621-9940C Serial I/O Module

Operating Temperature Range:-40°F to 185°F (-40°C to 85°C)

Data Transfer Rate:Up to 115,200 bps

Communication Protocols Supported:RS-232, RS-422, RS-485

Power Supply Voltage:DC 5V

Current Consumption:Max 50mA

Relay Output:2 Form C, 5V, 1A

Dimensions:1.5 inches x 2.0 inches x 0.5 inches (38mm x 51mm x 13mm)

    The Honeywell 621-9940C Serial I/O Module is designed for integration into complex industrial control systems, ensuring robust and reliable data communication. Its compact size and versatile RS-232 / RS-485 connectors make it adaptable to various applications, enhancing operational efficiency and flexibility.

    Featuring advanced communication protocols including Modbus RTU, ASCII, and Binary, this module supports seamless data exchange between different devices within the manufacturing floor, improving productivity and reducing downtime.

    With a wide operating temperature range from -40°C to +85°C, the Honeywell 621-9940C is built to withstand harsh industrial environments, ensuring continuous performance under challenging conditions.

    Equipped with a power supply of 12V DC, the module ensures stable operation regardless of the power fluctuations typically encountered in industrial settings, providing consistent performance and reliability.

    Offering 16 channels for serial data transmission, this module is capable of handling multiple communication tasks simultaneously, making it an ideal choice for managing complex industrial networks and achieving optimal system integration.