Introduction
The Honeywell 2MLL‑C22B is a high-performance serial communication module designed for the MasterLogic‑200 PLC platform. It enables seamless integration of PLC systems with a wide variety of serial devices, including sensors, controllers, and legacy equipment. With support for RS-232/RS-485 communication protocols, this module ensures reliable, high-speed data transfer in industrial environments. Its compact and durable design makes it ideal for applications requiring efficient serial connectivity, robust data exchange, and real-time monitoring in automation, process control, and machine management systems.
Technical Specifications
| Parameter | Details |
|---|---|
| Module Type | Serial Communication Module |
| Supported Protocols | RS-232, RS-485 |
| Baud Rate | 300 bps – 115,200 bps |
| Data Bits | 7 or 8 bits |
| Stop Bits | 1 or 2 bits |
| Parity | None, Odd, Even |
| Transmission Distance | RS-485: up to 1200 m; RS-232: up to 15 m |
| Connector Type | 9-pin D-sub female (RS-232/RS-485) |
| Isolation | Optical isolation for protection against noise and transients |
| Form Factor / Mounting | Rack-mounted for MasterLogic backplane |
| Operating Temperature | 0 °C – 55 °C |
| Storage Temperature | –40 °C – 85 °C |
| Humidity | 5–95% RH, non-condensing |
| LED Indicators | Power, Transmit (Tx), Receive (Rx) |
| Module Weight | Approx. 0.11 kg |
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