Honeywell 2MLL-CH2A Serial Communication Interface Module

Overview

The Honeywell 2MLL-CH2A is a serial communication interface module for the MasterLogic-200 PLC. It enables fast, reliable data exchange with HMIs, sensors, controllers, and other automation devices. Additionally, it supports RS-232C, RS-422, and RS-485 protocols, ensuring flexible integration across diverse industrial setups. Users can configure the baud rate and connection type, making it ideal for SCADA systems, remote devices, and modem connections. The module mounts easily on a DIN rail or panel and operates reliably in typical industrial temperature and humidity ranges.

Technical Specifications

• Model: 2MLL-CH2A
• Type: Serial Communication Interface Module
• Supported Protocols: RS-232C, RS-422, RS-485
• Communication Ports: 1 channel
• Baud Rate: Configurable, typically up to 115.2 kbps
• Connection Type: Multi-drop and point-to-point
• Terminal Resistance: 120Ω recommended for RS-422/RS-485 long-distance
• Cable Type: Twisted pair recommended for RS-422/RS-485
• Installation: DIN rail or panel mount
• Operating Temperature: -10°C to +60°C
• Humidity Range: 5% to 95% non-condensing
• Application: Remote device communication, modem integration, SCADA connectivity
• Compatibility: MasterLogic-200 PLC series