2MLL-CH2A

Product Overview

The 2MLL-CH2A by Honeywell is a serial communication module (Snet Module) for connecting industrial controllers to remote devices via RS232C or RS422/485 interfaces.

General Information

• Model Number: 2MLL-CH2A

• Manufacturer: Honeywell

• Module Type: Serial Communication Module (Snet Module)

Interfaces

• RS232C: 1 channel (supports modem connection)

• RS422/485: 1 channel

Communication Settings

• Start Bit: 1

• Data Bits: 7 or 8

• Stop Bits: 1 or 2

• Parity: Odd / Even / None

• Baud Rate: 300 / 600 / 1200 / 2400 / 4800 / 9600 / 19200 / 38400 / 57600 / 115200 bps

• Synchronization: Asynchronous

Transmission Distance

• RS232C: 15 m (expandable via modem)

• RS422: 500 m max

Network Configuration

• RS232C: 1:1

• RS422: 1:1, 1:N, N:M

• Station Number Setting: 0–31 (max 32 stations)

Protocol Support

• Modbus RTU / ASCII: Slave supported

• P2P: Supported (Modbus RTU/ASCII master, user-defined master)

• Softmaster I/F: Supported

• Configuration Software: SoftMaster-NM

Indicators & Diagnostics

• LEDs: RUN, I/F, TX, RX, ERR

• Network Diagnostics: Auto-scan, Frame Monitor, Link Monitor, Loop Back

Electrical

• Current Consumption: 310 mA

Physical

• Weight: 119 g

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