Overview

The Honeywell MLL-C21A Modem is a versatile logic module designed specifically for MasterLogic PLC systems. This modem provides reliable RS-232C communication, enabling seamless interaction with external devices in industrial automation applications. It facilitates program upload, download, and remote control, ensuring efficient system management and operational flexibility.

Functional Highlights

The MLL-C21A features key capabilities that enhance automation efficiency:

• Communication Protocols: Equipped with MLDP protocol support, it allows for both 1:1 and 1:N communication. This functionality enables a master station to effectively interact with multiple slave devices.
• Modbus Compatibility: Supports Modbus RTU/ASCII master configurations, ensuring adaptability for various industrial network setups.
• Configurable Parity Settings: Users can define parity settings as even, odd, or none, which guarantees compatibility with diverse communication standards.
• Simultaneous Connections: This modem enables multiple remote connections using either MLDP or Modbus Server, making it ideal for distributed automation systems that require real-time monitoring and control.

Compact and Robust Design

The MLL-C21A is designed for durability, combining efficient digital input/output control with advanced remote communication capabilities. Its compact size makes it easy to install within MasterLogic PLC networks, enhancing operational scalability for complex industrial processes.

Key Benefits:

• Enhanced Efficiency: Streamlines communication between devices, improving overall system performance.
• Increased Reliability: Robust design ensures reliable data transmission and minimizes system downtime.
• Flexible Configuration: Customizable settings and support for various protocols allow for tailored automation solutions.

Technical Data

• Model Number: MLL-C21A
• Module Type: Modem
• Manufacturer: Honeywell
• Condition: Brand New
• Weight: 0.4 kg
• Dimensions: 7 x 14 x 14.5 cm
• HS CODE: 8537101190
• Product Origin: USA
• Lead Time: In Stock
• Minimum Order Quantity (MOQ): 1
• Communication Interface: RS-232C
• Supported Protocols: MLDP, Modbus RTU/ASCII
• Station Number Configuration: 0 to 31 via SoftMaster-NM

Typical Applications

The Honeywell MLL-C21A Modem is suitable for:

• Industrial automation systems requiring reliable communication for control and monitoring.
• Applications where seamless integration with MasterLogic PLC networks is essential.
• Systems that need flexible, real-time data transmission across various devices.

Support & Maintenance

Honeywell provides comprehensive support for the MLL-C21A Modem. Our team is available for installation assistance, troubleshooting, and expert guidance to ensure optimal performance within your automation systems.

FAQ

1. What is the weight of the Honeywell MLL-C21A modem?
   The weight is 0.4 kg.

2. What are the dimensions of this modem?
   Its dimensions are 7 x 14 x 14.5 cm.

3. What communication protocols does the MLL-C21A support?
   It supports MLDP and Modbus RTU/ASCII protocols.

4. Can the modem connect with multiple devices simultaneously?
   Yes, it allows for simultaneous remote connections using MLDP or Modbus Server.

5. Is technical support available for the MLL-C21A?
   Yes, Honeywell offers technical support for installation and operational inquiries.