Honeywell 2MLL-CH2A Snet Serial Communication Module

Overview

The 2MLL-CH2A module is a high-performance industrial serial communication interface designed to ensure reliable data exchange in complex automation systems. It supports multiple protocols and configurations, making it a versatile solution for diverse industrial applications.

Technical Specifications

• Brand: SoftMaster
• Model: 2MLL-CH2A
• Suffix Meaning:
  • C: Communication
  • H: High-performance
  • 2A: Dual interface version 2
• Interface Standard:
  • 1 channel RS232C, max distance 15m (extendable by modem)
  • 1 channel RS422/485, max distance 500m
• Supported Baud Rates: From 300 bps to 115200 bps
• Synchronization: Asynchronous
• Station Number Setting: Range 0–31, up to 32 stations
• Current Consumption: 310 mA
• Weight: 119 g
• Configuration Software: SoftMaster-NM
• LED Indicators: RUN, I/F, TX, RX, ERR

FAQ

1. What is the primary advantage of dual interface support in 2MLL-CH2A?
It allows the module to connect to both RS232C and RS422/485 networks, offering flexibility for different communication standards.

2. Can the transmission distance be extended beyond the specified limits?
Yes, the RS232C distance can be extended using a modem or phone line.

3. Is Modbus RTU/ASCII master supported on this model?
Yes, Modbus RTU/ASCII master is supported under P2P communication.

4. How many stations can be configured on a single network?
The maximum number of stations is 32 (station numbers 0–31).

5. What are the diagnostic capabilities?
It includes features like auto-scan, frame monitor, link monitor, and loop-back tests for efficient network diagnostics.

For more detailed information, please check official datasheet: pmt-hps-master-logic-200-specifications-and-technical-data