The Honeywell 2MLL‑C42A is a two-channel RS‑422 serial communication interface for MasterLogic‑200 PLCs, enabling reliable Snet networking in industrial controls.

Model: 2MLL‑C42

✅ Applications:

• Facilitates RS‑422 Snet communication for MasterLogic‑200 PLC systems

• Integrates machine interfaces, SCADA, and DCS networks

• Ideal for industrial automation, test systems, and legacy serial integration

🔍 Key Specifications:

• Module Type: Serial communication interface module supporting RS‑422 (differential) protocol

• Channels: Dual-channel RS‑422 serial ports for raw data or Snet networking

• Mounting Compatibility: Fits MasterLogic‑200 12-slot base racks

• Operating Environment: 0 °C to 55 °C ambient, 5–95 % non-condensing humidity 

• Dimensions & Weight: Compact module approx. 127 × 127 × 25 mm, weighs ~200 g