Honeywell 621-9940C UCN Serial Input Output Module Advanced Control Solution
The Honeywell 621-9940C UCN Serial Input Output Module features 16 digital inputs and 16 digital outputs, designed for high-speed serial communication. It supports RS-485 and RS-422 interfaces, ideal for industrial automation and control systems. Compared to the 05701 series, the 621-9940C offers enhanced serial communication capabilities, making it suitable for applications requiring robust data exchange, such as in manufacturing lines and process control environments.
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